./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/verifythis/lcp.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/lcp.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/verifythis/lcp.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/lcp.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:08:14,656 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:08:14,753 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:08:14,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:08:14,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:08:14,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:08:14,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:08:14,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:08:14,787 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:08:14,787 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:08:14,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:08:14,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:08:14,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:08:14,789 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:08:14,789 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:08:14,790 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:08:14,790 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:08:14,790 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:08:14,790 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:08:14,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:08:14,791 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:08:14,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:08:14,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:08:14,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:08:14,793 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:08:14,793 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:08:14,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:08:14,793 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:08:14,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:08:14,794 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:08:14,794 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:08:14,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:08:14,795 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:08:14,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:14,796 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:08:14,796 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:08:14,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:08:14,796 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:08:14,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:08:14,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:08:14,797 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:08:14,798 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:08:14,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:08:14,802 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:08:15,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:08:15,104 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:08:15,106 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:08:15,107 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:08:15,108 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:08:15,109 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/lcp.yml/output/witness-2.1.yml [2024-09-21 19:08:15,200 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:08:15,201 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:08:15,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/verifythis/lcp.c [2024-09-21 19:08:16,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:08:16,822 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:08:16,824 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/verifythis/lcp.c [2024-09-21 19:08:16,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2f83747cf/b9da5c157a844e89bf30a1c93790d43a/FLAG904c065a8 [2024-09-21 19:08:16,851 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2f83747cf/b9da5c157a844e89bf30a1c93790d43a [2024-09-21 19:08:16,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:08:16,853 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:08:16,854 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:16,854 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:08:16,860 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:08:16,861 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:15" (1/2) ... [2024-09-21 19:08:16,862 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc0d3b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:16, skipping insertion in model container [2024-09-21 19:08:16,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:15" (1/2) ... [2024-09-21 19:08:16,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2e38f309 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:16, skipping insertion in model container [2024-09-21 19:08:16,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:16" (2/2) ... [2024-09-21 19:08:16,865 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fc0d3b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:16, skipping insertion in model container [2024-09-21 19:08:16,865 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:16" (2/2) ... [2024-09-21 19:08:16,877 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:08:16,881 INFO L1541 ArrayList]: Loop invariant at [L18-L20] 1 [2024-09-21 19:08:16,881 INFO L1541 ArrayList]: Function contract at [L24]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:16,881 INFO L1541 ArrayList]: Function contract at [L35]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:16,881 INFO L1541 ArrayList]: Function contract at [L16]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:16,882 INFO L1541 ArrayList]: Function contract at [L12]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:16,882 INFO L1541 ArrayList]: Function contract at [L11]: requires 1, ensures 1 [2024-09-21 19:08:16,882 INFO L1541 ArrayList]: Function contract at [L5]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:16,903 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:08:17,083 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/verifythis/lcp.c[515,528] [2024-09-21 19:08:17,119 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:17,138 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:08:17,182 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/verifythis/lcp.c[515,528] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 19:08:17,202 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:17,219 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:08:17,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17 WrapperNode [2024-09-21 19:08:17,220 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:17,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:08:17,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:08:17,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:08:17,235 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,244 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,262 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 [2024-09-21 19:08:17,263 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,263 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,274 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,279 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,285 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,288 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:08:17,289 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:08:17,289 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:08:17,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:08:17,290 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (1/1) ... [2024-09-21 19:08:17,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:17,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:08:17,324 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) [2024-09-21 19:08:17,330 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 [2024-09-21 19:08:17,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:08:17,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:08:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:08:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:08:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:08:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure lcp [2024-09-21 19:08:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2024-09-21 19:08:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:08:17,375 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2024-09-21 19:08:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2024-09-21 19:08:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure free [2024-09-21 19:08:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:08:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:08:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:08:17,376 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:08:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:08:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:08:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:08:17,377 INFO L130 BoogieDeclarations]: Found specification of procedure lcp [2024-09-21 19:08:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:08:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure check [2024-09-21 19:08:17,378 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:08:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-09-21 19:08:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2024-09-21 19:08:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:08:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:08:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:08:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:08:17,379 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:08:17,484 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:08:17,486 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:08:17,490 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:17,514 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:17,537 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:17,583 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:17,622 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:17,677 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:17,703 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:08:17,754 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:08:17,756 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:08:17,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:17 BoogieIcfgContainer [2024-09-21 19:08:17,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:08:17,758 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:08:17,759 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:08:17,759 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:08:17,760 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:15" (1/4) ... [2024-09-21 19:08:17,760 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@de38b88 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:17, skipping insertion in model container [2024-09-21 19:08:17,760 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:08:16" (2/4) ... [2024-09-21 19:08:17,762 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@de38b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:17, skipping insertion in model container [2024-09-21 19:08:17,762 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:17" (3/4) ... [2024-09-21 19:08:17,763 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@de38b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:17, skipping insertion in model container [2024-09-21 19:08:17,763 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:17" (4/4) ... [2024-09-21 19:08:17,764 INFO L79 RefereeObserver]: Analyzing ICFG lcp.c [2024-09-21 19:08:17,771 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:08:17,772 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:17,772 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 19:08:17,772 INFO L373 InvariantChecker]: Will check inductivity from ENTRY checkENTRY to ERROR_LOC checkErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:17,772 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 19:08:17,773 INFO L373 InvariantChecker]: Will check inductivity from ENTRY reach_errorENTRY to ERROR_LOC reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:17,773 INFO L373 InvariantChecker]: Will check inductivity from ENTRY checkENTRY to ERROR_LOC checkErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:17,773 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:08:17,773 INFO L373 InvariantChecker]: Will check inductivity from ENTRY checkENTRY to ERROR_LOC checkErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:08:17,774 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:17,774 INFO L373 InvariantChecker]: Will check inductivity from ENTRY checkENTRY to ERROR_LOC checkErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 19:08:17,774 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:17,775 INFO L373 InvariantChecker]: Will check inductivity from ENTRY lcpENTRY to LOOP_INVARIANT_ERROR_LOC lcpErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:08:17,775 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-6 to LOOP_INVARIANT_ERROR_LOC lcpErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-21 19:08:17,775 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:08:17,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:17,777 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:08:17,777 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L18-6 to ERROR_LOC lcpErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:08:17,778 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 14 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 19:08:17,842 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 19:08:17,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:17,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:17,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:17,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:17,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:17,859 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 19:08:17,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:17,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:17,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:17,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:17,865 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:17,885 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:17,918 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 11 edges [2024-09-21 19:08:17,918 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:17,918 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:17,918 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:17,918 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:17,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:17,948 INFO L101 BaseMinimizeStates]: Removed 20 edges and 10 locations by large block encoding [2024-09-21 19:08:17,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:17,948 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:17,949 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:17,949 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:17,949 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:17,952 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:17,969 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:17,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:17,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:17,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:17,972 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:17,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:17,973 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:17,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:17,973 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:17,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:17,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:17,974 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:17,975 INFO L520 InvariantChecker]: The annotation(s) from entry checkENTRY to error location checkErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:17,993 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 19:08:17,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:17,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:17,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:17,995 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:17,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,008 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 19:08:18,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,009 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,009 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,009 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,012 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:18,024 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:18,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,026 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,026 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,027 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:18,027 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,027 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,028 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,029 INFO L520 InvariantChecker]: The annotation(s) from entry reach_errorENTRY to error location reach_errorErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:18,043 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:08:18,047 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,047 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,047 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,053 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:08:18,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,053 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,058 INFO L520 InvariantChecker]: The annotation(s) from entry checkENTRY to error location checkErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:18,068 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 19:08:18,069 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,069 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,069 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,080 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 19:08:18,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,081 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,081 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,081 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,081 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,083 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:18,095 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-21 19:08:18,095 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,095 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,096 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,096 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,110 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-21 19:08:18,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,112 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,112 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,112 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,113 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,115 INFO L520 InvariantChecker]: The annotation(s) from entry checkENTRY to error location checkErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:18,125 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:18,125 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,126 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,126 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,126 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,126 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:18,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,127 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,127 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,133 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:18,143 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 19:08:18,143 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,144 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,144 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,144 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,154 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 19:08:18,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,155 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,160 INFO L520 InvariantChecker]: The annotation(s) from entry checkENTRY to error location checkErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:18,169 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:18,169 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,170 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:18,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,171 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,171 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,174 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:18,184 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:18,184 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,185 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,185 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:18,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,186 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,186 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,188 INFO L520 InvariantChecker]: The annotation(s) from entry lcpENTRY to loop head lcpErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:18,198 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-21 19:08:18,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,209 INFO L101 BaseMinimizeStates]: Removed 11 edges and 4 locations by large block encoding [2024-09-21 19:08:18,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,210 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,210 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,210 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,211 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,212 INFO L520 InvariantChecker]: The annotation(s) from loop head L18-6 to loop head lcpErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:18,219 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:08:18,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,219 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,219 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,219 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,221 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:08:18,221 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,221 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,221 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,221 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,222 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,224 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:18,231 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:18,232 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,232 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,232 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,232 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,234 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:18,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,234 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,235 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,235 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,250 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 19:08:18,251 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,251 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,251 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,263 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 19:08:18,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,265 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,265 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,265 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,266 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,268 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:18,277 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 19:08:18,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:18,277 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:18,278 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:18,278 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:18,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,289 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-21 19:08:18,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:18,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:18,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:18,289 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:18,290 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:18,292 INFO L520 InvariantChecker]: The annotation(s) from loop head L18-6 to error location lcpErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:18,300 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:08:18,301 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@de38b88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:08:18, skipping insertion in model container [2024-09-21 19:08:18,301 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:08:18,303 INFO L158 Benchmark]: Toolchain (without parser) took 1449.07ms. Allocated memory is still 182.5MB. Free memory was 109.8MB in the beginning and 83.0MB in the end (delta: 26.8MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2024-09-21 19:08:18,303 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:18,304 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 182.5MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:18,304 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.89ms. Allocated memory is still 182.5MB. Free memory was 109.8MB in the beginning and 95.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:08:18,304 INFO L158 Benchmark]: Boogie Preprocessor took 66.86ms. Allocated memory is still 182.5MB. Free memory was 95.0MB in the beginning and 92.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:08:18,305 INFO L158 Benchmark]: RCFGBuilder took 468.02ms. Allocated memory is still 182.5MB. Free memory was 92.7MB in the beginning and 150.1MB in the end (delta: -57.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-09-21 19:08:18,305 INFO L158 Benchmark]: Referee took 542.92ms. Allocated memory is still 182.5MB. Free memory was 150.1MB in the beginning and 83.0MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-21 19:08:18,311 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from entry of procedure check to exit of procedure check. Annotation is valid for all loop-free paths from loop head at line 18 to exit of procedure lcp. Annotation is valid for all loop-free paths from entry of procedure check to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from entry of procedure check to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure reach_error to exit of procedure reach_error. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure lcp to loop head at line 18. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from entry of procedure check to check that procedure precondition always holds at line 27. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 121.6MB. Free memory is still 84.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.31ms. Allocated memory is still 182.5MB. Free memory is still 157.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.89ms. Allocated memory is still 182.5MB. Free memory was 109.8MB in the beginning and 95.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.86ms. Allocated memory is still 182.5MB. Free memory was 95.0MB in the beginning and 92.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 468.02ms. Allocated memory is still 182.5MB. Free memory was 92.7MB in the beginning and 150.1MB in the end (delta: -57.4MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Referee took 542.92ms. Allocated memory is still 182.5MB. Free memory was 150.1MB in the beginning and 83.0MB in the end (delta: 67.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:08:18,341 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE