./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hard-ll_valuebound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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/hard-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard-ll_valuebound1.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-dev-a9b967e-m [2024-09-11 20:50:51,199 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:51,245 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:50:51,248 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:51,248 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:51,278 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:51,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:51,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:51,279 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:51,279 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:51,279 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:51,286 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:51,286 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:51,286 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:51,287 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:51,287 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:51,287 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:51,288 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:51,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:50:51,288 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:51,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:51,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:51,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:51,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:51,290 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:51,290 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:51,290 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:51,290 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:51,290 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:51,291 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:51,291 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:51,291 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:51,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:51,291 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:51,292 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:51,292 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:51,292 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:50:51,292 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:50:51,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:51,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:51,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:51,293 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:51,294 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:51,459 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:51,474 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:51,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:51,477 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:51,478 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:51,479 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:50:51,537 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:51,538 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:51,538 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2024-09-11 20:50:52,656 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:50:52,808 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:50:52,809 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2024-09-11 20:50:52,814 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7439d9f5c/aeb4db3cd88a49d3831327ff81e23fa2/FLAG16da93924 [2024-09-11 20:50:53,240 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7439d9f5c/aeb4db3cd88a49d3831327ff81e23fa2 [2024-09-11 20:50:53,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:53,241 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:53,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:53,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:53,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:53,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:50:51" (1/2) ... [2024-09-11 20:50:53,251 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5675017c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:53, skipping insertion in model container [2024-09-11 20:50:53,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:50:51" (1/2) ... [2024-09-11 20:50:53,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a62ee96 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:53, skipping insertion in model container [2024-09-11 20:50:53,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:53" (2/2) ... [2024-09-11 20:50:53,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5675017c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53, skipping insertion in model container [2024-09-11 20:50:53,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:53" (2/2) ... [2024-09-11 20:50:53,259 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:53,259 INFO L1541 ArrayList]: Loop invariant at [L46-L58] ((((((p == 1) && (q == 0)) && ((((B / 4294967296) * 4294967296) + d) == B)) && (r == (A % 4294967296))) || ((((((2 == p) && ((A % 4294967296) == 1)) && ((B % 4294967296) == 1)) && (q == 0)) && (r == 1)) && (2 == d))) || ((((((d == 1) && (p == 1)) && ((A % 4294967296) == 1)) && ((B % 4294967296) == 1)) && (r == 0)) && (q == 1))) [2024-09-11 20:50:53,259 INFO L1541 ArrayList]: Loop invariant at [L36-L44] (((((((2 == p) && ((B % 4294967296) == 1)) && (q == 0)) && (r == 1)) && (r == (A % 4294967296))) && (2 == d)) || ((((((d == 1) && (p == 1)) && (q == 0)) && (r == (A % 4294967296))) && (B == (((B / 4294967296) * 4294967296) + 1))) && (A <= (((A / 4294967296) * 4294967296) + 1)))) [2024-09-11 20:50:53,260 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:50:53,260 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:50:53,272 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:53,382 WARN L247 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/hard-ll_valuebound1.c[538,551] [2024-09-11 20:50:53,401 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:53,410 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:50:53,440 WARN L247 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/hard-ll_valuebound1.c[538,551] Start Parsing Local Start Parsing Local [2024-09-11 20:50:53,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:53,467 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:53,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53 WrapperNode [2024-09-11 20:50:53,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:53,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:53,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:53,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:53,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,482 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,494 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 [2024-09-11 20:50:53,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,500 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,502 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,503 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,507 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:53,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:53,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:53,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:53,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (1/1) ... [2024-09-11 20:50:53,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:53,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:53,529 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) [2024-09-11 20:50:53,530 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 [2024-09-11 20:50:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:53,560 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:53,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:50:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:50:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:53,561 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:50:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:50:53,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:53,633 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:53,635 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:53,837 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:53,871 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:53,872 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:53,892 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:53,892 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:50:53,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:53 BoogieIcfgContainer [2024-09-11 20:50:53,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:53,893 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:53,893 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:53,894 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:53,894 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:50:51" (1/4) ... [2024-09-11 20:50:53,894 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@246d9570 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:53, skipping insertion in model container [2024-09-11 20:50:53,895 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:53" (2/4) ... [2024-09-11 20:50:53,895 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@246d9570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:53, skipping insertion in model container [2024-09-11 20:50:53,895 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:53" (3/4) ... [2024-09-11 20:50:53,895 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@246d9570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:53, skipping insertion in model container [2024-09-11 20:50:53,895 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:53" (4/4) ... [2024-09-11 20:50:53,896 INFO L79 RefereeObserver]: Analyzing ICFG hard-ll_valuebound1.c [2024-09-11 20:50:53,898 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:50:53,899 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:50:53,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:50:53,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:50:53,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:50:53,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:50:53,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:50:53,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:53,900 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:53,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:53,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:53,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:50:53,900 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:50:53,901 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:53,901 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:50:53,901 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:50:53,944 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:50:53,945 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:53,945 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:53,946 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:53,947 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:53,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:53,958 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:50:53,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:53,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:53,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:53,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:53,961 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:53,972 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:53,992 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:50:53,992 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:53,992 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:53,992 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:53,992 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:53,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,012 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-11 20:50:54,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,012 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,018 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,024 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:54,038 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:50:54,041 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,041 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,041 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,041 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,049 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:50:54,050 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,050 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,050 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,050 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,053 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:54,068 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:50:54,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,068 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,069 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,104 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:50:54,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,104 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,106 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,106 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,117 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:54,131 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:50:54,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,143 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:50:54,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,144 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,144 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,145 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,147 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,150 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:54,160 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:50:54,160 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,160 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,160 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,160 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,169 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:50:54,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,169 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,169 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,169 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,173 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,176 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:54,189 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:50:54,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,205 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:50:54,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,205 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,206 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,209 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:54,219 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:50:54,220 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,221 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,221 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,222 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,228 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:50:54,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,228 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,229 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,229 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,229 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,231 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:54,258 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:54,259 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,259 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,260 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,260 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,263 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:54,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,264 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,264 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,265 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,265 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,268 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:54,276 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:54,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,277 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,277 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,280 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:54,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,281 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,281 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,284 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:54,292 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:50:54,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,293 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,293 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,293 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,297 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:50:54,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,297 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,302 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:54,308 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:54,309 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,309 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,309 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,309 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,310 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:54,310 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,311 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,311 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,311 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,311 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,312 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:54,319 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:54,319 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,319 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,319 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,320 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,320 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:54,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,321 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,321 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,321 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,322 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,323 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:54,329 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:54,329 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:54,330 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:54,330 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:54,330 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:54,330 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,338 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:54,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:54,340 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:54,340 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:54,340 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:54,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:54,343 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:54,346 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:50:54,346 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@246d9570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:54, skipping insertion in model container [2024-09-11 20:50:54,346 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:54,347 INFO L158 Benchmark]: Toolchain (without parser) took 1105.47ms. Allocated memory is still 188.7MB. Free memory was 121.2MB in the beginning and 132.1MB in the end (delta: -10.9MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-09-11 20:50:54,348 INFO L158 Benchmark]: Witness Parser took 0.96ms. Allocated memory is still 104.9MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:54,348 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:54,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.08ms. Allocated memory is still 188.7MB. Free memory was 121.0MB in the beginning and 106.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:54,349 INFO L158 Benchmark]: Boogie Preprocessor took 38.79ms. Allocated memory is still 188.7MB. Free memory was 106.6MB in the beginning and 104.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:54,350 INFO L158 Benchmark]: RCFGBuilder took 385.57ms. Allocated memory is still 188.7MB. Free memory was 104.4MB in the beginning and 143.0MB in the end (delta: -38.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-09-11 20:50:54,350 INFO L158 Benchmark]: Referee took 452.82ms. Allocated memory is still 188.7MB. Free memory was 143.0MB in the beginning and 132.1MB in the end (delta: 10.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. [2024-09-11 20:50:54,352 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 60. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 46. 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 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 46. 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 loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.96ms. Allocated memory is still 104.9MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 188.7MB. Free memory is still 165.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.08ms. Allocated memory is still 188.7MB. Free memory was 121.0MB in the beginning and 106.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.79ms. Allocated memory is still 188.7MB. Free memory was 106.6MB in the beginning and 104.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 385.57ms. Allocated memory is still 188.7MB. Free memory was 104.4MB in the beginning and 143.0MB in the end (delta: -38.6MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Referee took 452.82ms. Allocated memory is still 188.7MB. Free memory was 143.0MB in the beginning and 132.1MB in the end (delta: 10.9MB). Peak memory consumption was 68.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:54,378 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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/hard-ll_valuebound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard-ll_valuebound1.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-dev-a9b967e-m [2024-09-11 20:50:56,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:56,113 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:50:56,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:56,118 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:56,139 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:56,140 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:56,140 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:56,141 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:56,141 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:56,141 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:56,141 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:56,142 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:56,142 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:56,142 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:56,143 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:56,145 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:56,145 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:56,146 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:56,146 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:56,146 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:56,146 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:56,149 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:56,149 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:50:56,149 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:50:56,150 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:56,150 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:50:56,150 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:56,150 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:56,150 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:56,150 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:56,151 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:56,151 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:56,151 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:56,151 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:56,151 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:56,151 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:56,152 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:56,152 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:50:56,152 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:50:56,152 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:56,152 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:56,153 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:56,153 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:56,155 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:50:56,155 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:56,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:56,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:56,413 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:56,414 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:56,414 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:56,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2024-09-11 20:50:57,663 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:50:57,815 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:50:57,815 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound1.c [2024-09-11 20:50:57,823 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8ec8d9215/85e61545131e4cc491cff28e5cb331c5/FLAG4017b64af [2024-09-11 20:50:57,835 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8ec8d9215/85e61545131e4cc491cff28e5cb331c5 [2024-09-11 20:50:57,837 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:50:57,837 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:50:57,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard-ll_valuebound1.yml/witness-2.1.yml [2024-09-11 20:50:57,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:50:57,905 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:50:57,905 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:57,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:50:57,911 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:50:57,912 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:57" (1/2) ... [2024-09-11 20:50:57,914 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed5b4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:57, skipping insertion in model container [2024-09-11 20:50:57,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:50:57" (1/2) ... [2024-09-11 20:50:57,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c07d833 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:50:57, skipping insertion in model container [2024-09-11 20:50:57,917 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:50:57" (2/2) ... [2024-09-11 20:50:57,917 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ed5b4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:57, skipping insertion in model container [2024-09-11 20:50:57,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:50:57" (2/2) ... [2024-09-11 20:50:57,925 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:50:57,926 INFO L1541 ArrayList]: Loop invariant at [L36-L44] (((((((2 == p) && ((B % 4294967296) == 1)) && (q == 0)) && (r == 1)) && (r == (A % 4294967296))) && (2 == d)) || ((((((d == 1) && (p == 1)) && (q == 0)) && (r == (A % 4294967296))) && (B == (((B / 4294967296) * 4294967296) + 1))) && (A <= (((A / 4294967296) * 4294967296) + 1)))) [2024-09-11 20:50:57,927 INFO L1541 ArrayList]: Loop invariant at [L46-L58] ((((((p == 1) && (q == 0)) && ((((B / 4294967296) * 4294967296) + d) == B)) && (r == (A % 4294967296))) || ((((((2 == p) && ((A % 4294967296) == 1)) && ((B % 4294967296) == 1)) && (q == 0)) && (r == 1)) && (2 == d))) || ((((((d == 1) && (p == 1)) && ((A % 4294967296) == 1)) && ((B % 4294967296) == 1)) && (r == 0)) && (q == 1))) [2024-09-11 20:50:57,927 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:50:57,927 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:50:57,944 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:50:58,076 WARN L247 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/hard-ll_valuebound1.c[538,551] [2024-09-11 20:50:58,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:58,110 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:50:58,141 WARN L247 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/hard-ll_valuebound1.c[538,551] Start Parsing Local Start Parsing Local [2024-09-11 20:50:58,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:50:58,173 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:50:58,173 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:50:58 WrapperNode [2024-09-11 20:50:58,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:50:58,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:50:58,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:50:58,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:50:58,183 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,183 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,195 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,201 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 [2024-09-11 20:50:58,202 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,202 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,207 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,211 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,212 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,214 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,215 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:50:58,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:50:58,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:50:58,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:50:58,221 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 11.09 08:50:58" (1/1) ... [2024-09-11 20:50:58,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:58,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:50:58,243 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) [2024-09-11 20:50:58,249 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 [2024-09-11 20:50:58,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:50:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:50:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:50:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:50:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:50:58,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:50:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:50:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:50:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:50:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:50:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:50:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:50:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:50:58,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:50:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:50:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:50:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:50:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:50:58,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:50:58,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:50:58,347 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:50:58,350 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:50:58,829 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:50:58,861 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:50:58,862 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:50:58,888 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:50:58,889 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:50:58,889 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:58 BoogieIcfgContainer [2024-09-11 20:50:58,889 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:50:58,890 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:50:58,890 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:50:58,891 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:50:58,891 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:50:57" (1/4) ... [2024-09-11 20:50:58,891 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7688b643 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:50:58, skipping insertion in model container [2024-09-11 20:50:58,892 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:50:57" (2/4) ... [2024-09-11 20:50:58,893 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7688b643 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:58, skipping insertion in model container [2024-09-11 20:50:58,893 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 11.09 08:50:58" (3/4) ... [2024-09-11 20:50:58,893 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7688b643 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:50:58, skipping insertion in model container [2024-09-11 20:50:58,893 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:50:58" (4/4) ... [2024-09-11 20:50:58,894 INFO L79 RefereeObserver]: Analyzing ICFG hard-ll_valuebound1.c [2024-09-11 20:50:58,897 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:50:58,897 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:50:58,898 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:50:58,898 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:50:58,898 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:50:58,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:50:58,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:50:58,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:58,899 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:50:58,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:58,899 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:58,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:50:58,900 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:50:58,900 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:50:58,900 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:50:58,900 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-11 20:50:58,937 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:50:58,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:58,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:58,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:58,940 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:58,947 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:58,955 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:50:58,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:58,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:58,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:58,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:58,960 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:58,971 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:58,995 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:50:58,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:58,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:58,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:58,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:58,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,030 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-11 20:50:59,031 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,031 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,031 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,031 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,041 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:59,056 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:50:59,057 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,057 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,057 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,058 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,064 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:50:59,065 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,066 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,066 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,066 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,066 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,076 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:59,090 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:50:59,091 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,091 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,092 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,092 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,129 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:50:59,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,129 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,129 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,129 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,137 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,172 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:59,189 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:50:59,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,189 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,189 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,201 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:50:59,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,202 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,202 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,225 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:59,239 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:50:59,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,240 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,240 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,249 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:50:59,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,250 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,250 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,250 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,261 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:59,271 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:50:59,271 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,271 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,282 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:50:59,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,284 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,305 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:59,320 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:50:59,320 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,321 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,321 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,327 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:50:59,327 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,327 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,328 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,328 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,328 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,332 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:50:59,340 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:59,340 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,340 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,340 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,341 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,341 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,344 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:59,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,344 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,344 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,344 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,345 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,372 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:59,385 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:59,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,388 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:59,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,389 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,389 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,389 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,392 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:59,399 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:50:59,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,407 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:50:59,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,466 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:59,482 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:50:59,483 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,483 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,485 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:50:59,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,486 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,487 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:50:59,493 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:59,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,495 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,495 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:59,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,496 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,496 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,496 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,496 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,497 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:59,503 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:50:59,503 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:59,503 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:59,503 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:59,503 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:59,503 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,512 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:50:59,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:59,512 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:59,512 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:59,512 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:59,512 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:59,532 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:59,538 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:50:59,538 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7688b643 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:59, skipping insertion in model container [2024-09-11 20:50:59,538 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:59,541 INFO L158 Benchmark]: Toolchain (without parser) took 1634.18ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 52.8MB in the beginning and 45.3MB in the end (delta: 7.5MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2024-09-11 20:50:59,542 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 25.2MB in the beginning and 25.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:59,542 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:59,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.56ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 38.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:50:59,543 INFO L158 Benchmark]: Boogie Preprocessor took 44.31ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 35.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:59,544 INFO L158 Benchmark]: RCFGBuilder took 669.65ms. Allocated memory is still 73.4MB. Free memory was 35.6MB in the beginning and 36.5MB in the end (delta: -903.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-11 20:50:59,544 INFO L158 Benchmark]: Referee took 648.47ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 36.5MB in the beginning and 45.3MB in the end (delta: -8.8MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. [2024-09-11 20:50:59,547 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 38. 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 46 to check that procedure precondition always holds at line 60. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 46. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 46. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 48.2MB. Free memory was 25.2MB in the beginning and 25.2MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 73.4MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.56ms. Allocated memory is still 73.4MB. Free memory was 52.6MB in the beginning and 38.1MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.31ms. Allocated memory is still 73.4MB. Free memory was 38.1MB in the beginning and 35.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 669.65ms. Allocated memory is still 73.4MB. Free memory was 35.6MB in the beginning and 36.5MB in the end (delta: -903.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 648.47ms. Allocated memory was 73.4MB in the beginning and 88.1MB in the end (delta: 14.7MB). Free memory was 36.5MB in the beginning and 45.3MB in the end (delta: -8.8MB). Peak memory consumption was 26.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:59,572 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN