./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:07:51,267 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:07:51,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:07:51,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:07:51,357 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:07:51,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:07:51,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:07:51,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:07:51,388 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:07:51,390 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:07:51,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:07:51,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:07:51,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:07:51,392 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:07:51,392 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:07:51,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:07:51,393 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:07:51,393 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:07:51,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:07:51,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:07:51,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:07:51,396 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:07:51,396 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:07:51,396 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:07:51,396 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:07:51,397 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:07:51,397 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:07:51,397 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:07:51,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:07:51,398 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:07:51,398 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:07:51,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:07:51,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:07:51,400 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:51,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:07:51,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:07:51,401 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:07:51,401 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:07:51,401 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:07:51,401 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:07:51,401 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:07:51,402 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:07:51,402 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:07:51,402 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:07:51,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:07:51,693 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:07:51,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:07:51,697 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:07:51,698 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:07:51,700 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-15 20:07:51,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:07:51,751 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:07:51,752 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-15 20:07:53,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:07:53,435 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:07:53,436 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-15 20:07:53,442 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/af8b682c5/5ec8030037954878a9a52770e0c567d8/FLAG545bde0ea [2024-09-15 20:07:53,457 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/af8b682c5/5ec8030037954878a9a52770e0c567d8 [2024-09-15 20:07:53,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:07:53,459 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:07:53,460 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:53,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:07:53,466 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:07:53,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:51" (1/2) ... [2024-09-15 20:07:53,468 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d2c406 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:53, skipping insertion in model container [2024-09-15 20:07:53,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:51" (1/2) ... [2024-09-15 20:07:53,472 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b4faa53 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:53, skipping insertion in model container [2024-09-15 20:07:53,473 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:53" (2/2) ... [2024-09-15 20:07:53,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57d2c406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53, skipping insertion in model container [2024-09-15 20:07:53,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:53" (2/2) ... [2024-09-15 20:07:53,484 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:07:53,485 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-15 20:07:53,485 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:07:53,485 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:07:53,485 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:07:53,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:53,641 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2024-09-15 20:07:53,664 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:53,678 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:07:53,726 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-15 20:07:53,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:53,767 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:53,768 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53 WrapperNode [2024-09-15 20:07:53,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:53,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:53,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:53,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:53,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,789 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,799 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:07:53,800 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,800 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,805 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,809 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,811 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,813 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:53,814 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:53,814 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:53,814 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:53,815 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (1/1) ... [2024-09-15 20:07:53,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:53,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:53,841 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-15 20:07:53,843 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-15 20:07:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:53,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:53,884 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:53,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:07:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:07:53,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:07:53,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:53,949 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:53,953 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:53,973 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:53,995 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:54,223 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:54,242 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:54,271 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:54,272 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:07:54,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:54 BoogieIcfgContainer [2024-09-15 20:07:54,272 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:54,273 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:54,273 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:54,274 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:54,274 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:51" (1/4) ... [2024-09-15 20:07:54,275 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c787b21 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:54, skipping insertion in model container [2024-09-15 20:07:54,290 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:07:53" (2/4) ... [2024-09-15 20:07:54,290 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c787b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:54, skipping insertion in model container [2024-09-15 20:07:54,290 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:53" (3/4) ... [2024-09-15 20:07:54,291 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c787b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:54, skipping insertion in model container [2024-09-15 20:07:54,291 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:54" (4/4) ... [2024-09-15 20:07:54,292 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-15 20:07:54,297 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:07:54,298 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:54,299 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:54,299 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:54,299 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:07:54,299 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:54,299 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:07:54,300 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:07:54,300 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:54,300 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:54,300 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:54,300 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:54,301 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:07:54,301 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:07:54,301 INFO L130 InvariantChecker]: Will check 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, 8 loop-free subgraphs from procedure entry to error location [2024-09-15 20:07:54,378 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:07:54,379 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:54,379 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:54,380 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:54,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:54,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:54,395 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:07:54,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:54,397 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:54,397 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:54,398 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:54,401 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:54,425 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:54,460 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:54,461 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:54,461 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:54,461 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:54,461 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:54,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:54,468 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:54,468 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:54,468 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:54,468 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:54,468 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:54,468 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:54,473 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:54,502 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:54,503 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:54,503 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:54,503 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:54,504 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:54,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:54,526 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:54,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:54,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:54,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:54,530 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:54,530 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:58,536 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:58,564 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:07:58,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:58,564 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:58,564 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:58,564 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:58,564 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:58,565 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:07:58,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:58,565 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:58,566 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:58,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:58,566 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:58,569 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:58,580 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:58,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:58,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:58,581 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:58,581 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:58,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:58,582 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:58,582 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:58,582 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:58,582 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:58,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:58,582 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:58,584 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:58,597 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:07:58,597 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:58,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:58,598 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:58,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:58,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:58,632 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:07:58,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:58,633 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:58,633 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:58,633 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:58,634 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:58,636 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:58,649 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:07:58,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:58,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:58,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:58,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:58,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:58,671 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:07:58,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:58,672 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:58,672 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:58,672 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:58,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:02,685 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:02,699 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:02,700 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:02,700 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:02,700 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:02,700 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:02,700 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,701 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:02,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:02,701 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:02,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:02,702 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:02,709 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:02,719 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:02,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:02,720 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:02,720 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:02,720 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:02,720 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,722 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:02,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,723 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:02,723 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:02,723 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:02,724 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:02,725 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:02,734 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:02,735 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:02,735 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:02,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:02,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:02,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,736 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:02,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,737 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:02,737 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:02,737 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:02,737 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:02,740 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:02,749 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:08:02,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:02,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:02,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:02,750 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:02,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,752 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:08:02,752 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:02,753 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:02,753 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:02,753 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:02,754 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:02,766 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:08:02,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:02,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:02,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:02,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:02,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,773 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:08:02,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,774 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:02,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:02,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:02,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:02,777 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:08:02,787 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:08:02,787 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:02,788 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:02,788 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:02,789 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:02,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,824 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:08:02,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:02,824 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:02,825 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:02,825 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:02,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:06,839 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:06,844 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:06,845 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c787b21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:06, skipping insertion in model container [2024-09-15 20:08:06,845 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:06,847 INFO L158 Benchmark]: Toolchain (without parser) took 13387.05ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 52.8MB in the end (delta: 45.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:06,847 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 155.2MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:06,847 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:06,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.61ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 84.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:06,848 INFO L158 Benchmark]: Boogie Preprocessor took 43.82ms. Allocated memory is still 155.2MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:06,849 INFO L158 Benchmark]: RCFGBuilder took 458.24ms. Allocated memory is still 155.2MB. Free memory was 82.5MB in the beginning and 64.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-15 20:08:06,849 INFO L158 Benchmark]: Referee took 12571.81ms. Allocated memory is still 155.2MB. Free memory was 64.9MB in the beginning and 52.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-15 20:08:06,852 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 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 26. 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 0.23ms. Allocated memory is still 155.2MB. Free memory is still 114.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 155.2MB. Free memory is still 112.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.61ms. Allocated memory is still 155.2MB. Free memory was 98.4MB in the beginning and 84.6MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.82ms. Allocated memory is still 155.2MB. Free memory was 84.6MB in the beginning and 82.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 458.24ms. Allocated memory is still 155.2MB. Free memory was 82.5MB in the beginning and 64.9MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12571.81ms. Allocated memory is still 155.2MB. Free memory was 64.9MB in the beginning and 52.8MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:06,875 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:08:09,126 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:08:09,209 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:08:09,215 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:08:09,215 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:08:09,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:08:09,245 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:08:09,246 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:08:09,246 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:08:09,247 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:08:09,247 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:08:09,248 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:08:09,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:08:09,251 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:08:09,251 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:08:09,251 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:08:09,252 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:08:09,252 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:08:09,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:08:09,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:08:09,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:08:09,257 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:08:09,258 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:08:09,258 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:08:09,258 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:08:09,258 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:08:09,259 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:08:09,259 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:08:09,259 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:08:09,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:08:09,260 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:08:09,260 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:08:09,260 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:08:09,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:08:09,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:08:09,265 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:09,265 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:08:09,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:08:09,266 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:08:09,266 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:08:09,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:08:09,267 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:08:09,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:08:09,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:08:09,268 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:08:09,268 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:08:09,269 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:08:09,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:08:09,613 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:08:09,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:08:09,618 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:08:09,618 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:08:09,620 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-15 20:08:11,073 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:08:11,289 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:08:11,290 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-15 20:08:11,302 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bfc9f5bb4/92464510486243ec8a111313fc1ef6f7/FLAG6f1e5e4b6 [2024-09-15 20:08:11,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bfc9f5bb4/92464510486243ec8a111313fc1ef6f7 [2024-09-15 20:08:11,322 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:08:11,323 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:08:11,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-15 20:08:11,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:08:11,378 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:08:11,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:11,381 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:08:11,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:08:11,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:11" (1/2) ... [2024-09-15 20:08:11,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8f3a89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:11, skipping insertion in model container [2024-09-15 20:08:11,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:08:11" (1/2) ... [2024-09-15 20:08:11,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e85b94d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:08:11, skipping insertion in model container [2024-09-15 20:08:11,389 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:11" (2/2) ... [2024-09-15 20:08:11,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a8f3a89 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11, skipping insertion in model container [2024-09-15 20:08:11,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:11" (2/2) ... [2024-09-15 20:08:11,399 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:08:11,399 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-15 20:08:11,400 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:08:11,400 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:08:11,400 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:08:11,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:08:11,586 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] [2024-09-15 20:08:11,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:11,619 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:08:11,654 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-15 20:08:11,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:08:11,682 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:08:11,683 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11 WrapperNode [2024-09-15 20:08:11,683 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:08:11,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:08:11,684 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:08:11,684 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:08:11,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,707 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,721 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:08:11,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,745 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,749 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,751 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:08:11,752 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:08:11,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:08:11,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:08:11,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (1/1) ... [2024-09-15 20:08:11,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:08:11,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:08:11,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-15 20:08:11,793 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-15 20:08:11,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:08:11,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:08:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:08:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:08:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:08:11,845 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:08:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:08:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:08:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:08:11,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:08:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:08:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:08:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:08:11,846 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:08:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:08:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:08:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:08:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:08:11,847 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:08:11,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:08:11,931 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:08:11,933 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:08:11,954 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:11,998 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:12,574 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:08:12,597 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:08:12,641 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:08:12,645 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-15 20:08:12,646 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:12 BoogieIcfgContainer [2024-09-15 20:08:12,646 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:08:12,646 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:08:12,646 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:08:12,651 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:08:12,651 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:08:11" (1/4) ... [2024-09-15 20:08:12,652 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57c428c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:08:12, skipping insertion in model container [2024-09-15 20:08:12,652 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:08:11" (2/4) ... [2024-09-15 20:08:12,652 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57c428c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:12, skipping insertion in model container [2024-09-15 20:08:12,652 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:08:11" (3/4) ... [2024-09-15 20:08:12,652 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57c428c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:08:12, skipping insertion in model container [2024-09-15 20:08:12,652 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:08:12" (4/4) ... [2024-09-15 20:08:12,653 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-15 20:08:12,658 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-15 20:08:12,659 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:12,659 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:12,659 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:08:12,660 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:08:12,660 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:12,661 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-15 20:08:12,661 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:08:12,661 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:12,661 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:12,661 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:08:12,661 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:08:12,662 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:08:12,662 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-15 20:08:12,663 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-15 20:08:12,725 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:08:12,726 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:12,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:12,726 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:12,727 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:12,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:12,740 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:08:12,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:12,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:12,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:12,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:12,749 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:12,768 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:12,791 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:08:12,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:12,792 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:12,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:12,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:12,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:12,795 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:08:12,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:12,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:12,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:12,798 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:12,798 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:12,803 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:12,829 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:08:12,829 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:12,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:12,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:12,830 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:12,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:12,838 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:08:12,838 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:12,838 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:12,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:12,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:12,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:16,895 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:16,925 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:08:16,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:16,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:16,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:16,926 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:16,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:16,927 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:08:16,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:16,927 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:16,927 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:16,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:16,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:16,932 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:16,952 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:16,953 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:16,953 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:16,953 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:16,953 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:16,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:16,955 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:16,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:16,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:16,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:16,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:16,956 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:16,957 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:16,970 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-15 20:08:16,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:16,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:16,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:16,971 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:16,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:17,008 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-15 20:08:17,009 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:17,009 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:17,009 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:17,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:17,010 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:17,014 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:17,032 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-15 20:08:17,032 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:17,033 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:17,033 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:17,033 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:17,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:17,049 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-15 20:08:17,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:17,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:17,051 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:17,051 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:17,055 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:21,107 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:21,137 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:21,137 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:21,137 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:21,137 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:21,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:21,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,141 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:21,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:21,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:21,142 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:21,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:21,144 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:21,160 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:08:21,161 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:21,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:21,162 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:21,162 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:21,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,164 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:08:21,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,166 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:21,166 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:21,166 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:21,167 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:21,170 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:08:21,180 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:08:21,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:21,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:21,180 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:21,181 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:21,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,182 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:08:21,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:21,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:21,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:21,183 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:21,184 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:08:21,193 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:08:21,194 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:21,194 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:21,194 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:21,194 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:21,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,196 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:08:21,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:21,197 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:21,197 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:21,197 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:21,199 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:08:21,208 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:08:21,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:21,209 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:21,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:21,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:21,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,215 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:08:21,215 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:21,216 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:21,216 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:21,216 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:21,216 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:25,251 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:25,270 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-15 20:08:25,271 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:08:25,271 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:08:25,271 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:08:25,271 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:08:25,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:25,289 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-15 20:08:25,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:08:25,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:08:25,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:08:25,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:08:25,299 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:08:29,398 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:08:29,427 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:08:29,428 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@57c428c6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:08:29, skipping insertion in model container [2024-09-15 20:08:29,428 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:08:29,430 INFO L158 Benchmark]: Toolchain (without parser) took 18050.87ms. Allocated memory is still 71.3MB. Free memory was 37.2MB in the beginning and 48.0MB in the end (delta: -10.8MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-15 20:08:29,430 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:29,430 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:08:29,431 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.97ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 40.7MB in the end (delta: -3.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-09-15 20:08:29,431 INFO L158 Benchmark]: Boogie Preprocessor took 67.59ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 38.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:29,432 INFO L158 Benchmark]: RCFGBuilder took 893.31ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 46.6MB in the end (delta: -8.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-09-15 20:08:29,432 INFO L158 Benchmark]: Referee took 16781.47ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 48.0MB in the end (delta: -1.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2024-09-15 20:08:29,435 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 entry of procedure main to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure __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 __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 ULTIMATE.start to check that procedure precondition always holds at line -1. 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 main to check that procedure precondition always holds at line 25. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 54.5MB. Free memory is still 37.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 39.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.97ms. Allocated memory is still 71.3MB. Free memory was 37.1MB in the beginning and 40.7MB in the end (delta: -3.6MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.59ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 38.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 893.31ms. Allocated memory is still 71.3MB. Free memory was 38.4MB in the beginning and 46.6MB in the end (delta: -8.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Referee took 16781.47ms. Allocated memory is still 71.3MB. Free memory was 46.6MB in the beginning and 48.0MB in the end (delta: -1.4MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:08:29,484 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