./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 04d6fb36 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:06:54,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:06:54,837 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-15 20:06:54,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:06:54,843 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:06:54,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:06:54,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:06:54,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:06:54,873 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:06:54,873 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:06:54,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:06:54,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:06:54,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:06:54,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:06:54,875 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:06:54,875 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:06:54,875 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:06:54,876 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:06:54,876 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-15 20:06:54,876 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:06:54,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:06:54,884 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:06:54,884 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:06:54,885 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:06:54,885 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:06:54,885 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:06:54,885 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:06:54,885 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:06:54,886 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:06:54,886 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:06:54,886 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:06:54,886 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:06:54,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:06:54,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:54,887 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:06:54,891 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:06:54,891 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:06:54,892 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-15 20:06:54,892 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-15 20:06:54,892 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:06:54,892 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:06:54,893 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:06:54,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:06:54,893 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:06:55,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:06:55,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:06:55,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:06:55,218 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:06:55,222 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:06:55,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-15 20:06:55,340 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:06:55,340 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:06:55,341 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-15 20:06:56,744 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:06:56,907 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:06:56,908 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-15 20:06:56,914 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c3a33a85d/b06fe8271a444748aa2a76292ebf9754/FLAG082404d7e [2024-09-15 20:06:56,925 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c3a33a85d/b06fe8271a444748aa2a76292ebf9754 [2024-09-15 20:06:56,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:06:56,928 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:06:56,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:56,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:06:56,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:06:56,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:55" (1/2) ... [2024-09-15 20:06:56,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156e7731 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:56, skipping insertion in model container [2024-09-15 20:06:56,935 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:55" (1/2) ... [2024-09-15 20:06:56,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3deb7d21 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:06:56, skipping insertion in model container [2024-09-15 20:06:56,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:56" (2/2) ... [2024-09-15 20:06:56,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156e7731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:56, skipping insertion in model container [2024-09-15 20:06:56,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:06:56" (2/2) ... [2024-09-15 20:06:56,959 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:06:56,961 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (n <= 0)) && (counter == 1)) && (h == 0)) && (q == 1)) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-15 20:06:56,961 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && ((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) || (((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)) && (q == 1))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0)))) [2024-09-15 20:06:56,961 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:06:56,961 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:06:56,961 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:06:56,985 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:06:57,135 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] [2024-09-15 20:06:57,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:57,176 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:06:57,204 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-15 20:06:57,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:06:57,254 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:06:57,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57 WrapperNode [2024-09-15 20:06:57,254 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:06:57,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:06:57,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:06:57,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:06:57,270 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,274 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,292 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,309 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:06:57,310 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,323 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,331 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,336 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,337 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,339 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:06:57,340 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:06:57,340 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:06:57,340 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:06:57,346 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (1/1) ... [2024-09-15 20:06:57,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:06:57,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:06:57,398 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-15 20:06:57,406 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-15 20:06:57,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:06:57,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:06:57,478 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:06:57,479 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:06:57,479 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:06:57,479 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:06:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:06:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:06:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:06:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:06:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:06:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:06:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:06:57,479 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:06:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:06:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-15 20:06:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:06:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-15 20:06:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-15 20:06:57,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:06:57,531 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:06:57,533 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:06:57,550 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:57,568 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:57,830 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:06:57,863 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:06:57,892 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:06:57,892 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-15 20:06:57,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:57 BoogieIcfgContainer [2024-09-15 20:06:57,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:06:57,894 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:06:57,894 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:06:57,895 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:06:57,895 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:06:55" (1/4) ... [2024-09-15 20:06:57,896 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@244e71aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:06:57, skipping insertion in model container [2024-09-15 20:06:57,896 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:06:56" (2/4) ... [2024-09-15 20:06:57,896 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@244e71aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:57, skipping insertion in model container [2024-09-15 20:06:57,896 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:06:57" (3/4) ... [2024-09-15 20:06:57,897 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@244e71aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:06:57, skipping insertion in model container [2024-09-15 20:06:57,897 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:06:57" (4/4) ... [2024-09-15 20:06:57,898 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-15 20:06:57,902 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-15 20:06:57,903 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:06:57,903 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-15 20:06:57,903 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:06:57,903 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-15 20:06:57,904 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-15 20:06:57,904 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:57,904 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-15 20:06:57,904 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:06:57,904 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:06:57,905 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-15 20:06:57,905 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:06:57,905 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-15 20:06:57,905 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:57,905 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:06:57,906 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-15 20:06:57,906 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:06:57,906 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-15 20:06:57,906 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:06:57,906 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:06:57,907 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location, 10 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-15 20:06:57,992 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:06:57,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:57,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:57,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:57,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:58,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:58,012 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:06:58,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:58,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:58,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:58,014 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:58,017 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:58,034 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:06:58,082 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-15 20:06:58,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:58,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:58,083 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:58,083 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:58,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:58,189 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-15 20:06:58,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:58,189 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:58,189 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:58,190 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:58,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:58,212 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:58,238 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:06:58,239 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:58,251 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:58,251 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:58,251 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:58,252 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:58,262 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:06:58,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:58,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:58,263 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:58,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:58,265 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:06:58,268 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:06:58,291 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-15 20:06:58,291 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:06:58,292 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:06:58,292 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:06:58,292 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:06:58,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:58,299 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-15 20:06:58,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:06:58,300 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:06:58,300 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:06:58,300 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:06:58,300 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:02,303 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:02,325 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-15 20:07:02,325 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:02,326 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:02,326 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:02,326 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:02,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:02,353 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-15 20:07:02,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:02,353 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:02,353 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:02,353 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:02,360 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:06,363 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:06,381 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:06,381 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:06,381 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:06,381 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:06,381 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:06,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:06,386 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:06,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:06,386 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:06,386 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:06,386 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:06,387 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:10,389 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:10,405 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-15 20:07:10,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:10,406 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:10,406 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:10,406 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:10,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:10,425 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-15 20:07:10,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:10,425 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:10,425 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:10,426 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:10,426 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:10,432 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:10,445 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-15 20:07:10,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:10,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:10,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:10,446 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:10,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:10,460 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-15 20:07:10,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:10,461 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:10,461 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:10,461 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:10,461 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:14,465 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:14,500 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:07:14,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:14,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:14,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:14,504 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:14,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:14,505 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:07:14,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:14,505 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:14,505 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:14,505 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:14,505 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:14,507 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:14,520 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-15 20:07:14,520 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:14,520 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:14,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:14,520 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:14,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:14,547 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-15 20:07:14,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:14,547 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:14,548 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:14,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:14,553 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:18,559 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:18,591 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:07:18,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:18,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:18,591 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:18,592 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:18,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:18,601 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:07:18,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:18,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:18,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:18,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:18,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:22,606 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:22,622 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-15 20:07:22,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:22,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:22,622 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:22,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:22,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:22,664 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-15 20:07:22,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:22,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:22,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:22,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:22,669 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:22,675 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:22,689 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:22,689 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:22,689 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:22,689 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:22,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:22,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:22,690 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:22,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:22,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:22,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:22,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:22,690 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:22,691 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:22,702 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:07:22,702 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:22,702 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:22,702 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:22,702 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:22,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:22,705 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:07:22,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:22,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:22,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:22,706 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:22,706 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:22,710 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:22,726 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-15 20:07:22,726 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:22,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:22,730 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:22,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:22,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:22,761 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-15 20:07:22,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:22,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:22,762 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:22,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:22,768 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:26,797 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-15 20:07:26,808 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:26,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:26,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:26,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:26,809 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:26,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:26,810 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:26,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:26,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:26,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:26,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:26,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:26,812 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:07:26,821 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:26,821 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:26,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:26,822 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:26,822 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:26,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:26,823 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:26,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:26,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:26,823 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:26,823 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:26,824 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:26,825 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:26,834 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:26,835 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:26,835 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:26,835 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:26,835 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:26,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:26,838 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:26,839 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:26,839 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:26,839 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:26,839 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:26,839 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:26,846 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:26,864 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:26,868 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:26,868 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:26,868 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:26,868 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:26,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:26,871 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:26,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:26,871 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:26,871 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:26,871 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:26,871 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:26,878 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:26,884 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-15 20:07:26,884 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@244e71aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:07:26, skipping insertion in model container [2024-09-15 20:07:26,884 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:07:26,886 INFO L158 Benchmark]: Toolchain (without parser) took 29957.88ms. Allocated memory was 134.2MB in the beginning and 224.4MB in the end (delta: 90.2MB). Free memory was 61.9MB in the beginning and 66.8MB in the end (delta: -4.9MB). Peak memory consumption was 88.4MB. Max. memory is 16.1GB. [2024-09-15 20:07:26,890 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 134.2MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:26,891 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 134.2MB. Free memory was 107.6MB in the beginning and 107.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:26,891 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.86ms. Allocated memory was 134.2MB in the beginning and 224.4MB in the end (delta: 90.2MB). Free memory was 61.5MB in the beginning and 187.4MB in the end (delta: -125.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-09-15 20:07:26,892 INFO L158 Benchmark]: Boogie Preprocessor took 83.70ms. Allocated memory is still 224.4MB. Free memory was 187.4MB in the beginning and 185.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:07:26,892 INFO L158 Benchmark]: RCFGBuilder took 553.62ms. Allocated memory is still 224.4MB. Free memory was 185.3MB in the beginning and 162.2MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-15 20:07:26,892 INFO L158 Benchmark]: Referee took 28990.57ms. Allocated memory is still 224.4MB. Free memory was 162.2MB in the beginning and 66.8MB in the end (delta: 95.5MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. [2024-09-15 20:07:26,895 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to loop head 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 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 24. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 134.2MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 134.2MB. Free memory was 107.6MB in the beginning and 107.4MB in the end (delta: 160.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.86ms. Allocated memory was 134.2MB in the beginning and 224.4MB in the end (delta: 90.2MB). Free memory was 61.5MB in the beginning and 187.4MB in the end (delta: -125.9MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.70ms. Allocated memory is still 224.4MB. Free memory was 187.4MB in the beginning and 185.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 553.62ms. Allocated memory is still 224.4MB. Free memory was 185.3MB in the beginning and 162.2MB in the end (delta: 23.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 28990.57ms. Allocated memory is still 224.4MB. Free memory was 162.2MB in the beginning and 66.8MB in the end (delta: 95.5MB). Peak memory consumption was 95.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-15 20:07:26,929 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-04d6fb3-m [2024-09-15 20:07:29,015 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-15 20:07:29,074 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-15 20:07:29,078 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-15 20:07:29,079 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-15 20:07:29,103 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-15 20:07:29,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-15 20:07:29,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-15 20:07:29,105 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-15 20:07:29,106 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-15 20:07:29,106 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-15 20:07:29,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-15 20:07:29,107 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-15 20:07:29,107 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-15 20:07:29,108 INFO L153 SettingsManager]: * Use SBE=true [2024-09-15 20:07:29,108 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-15 20:07:29,108 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-15 20:07:29,108 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-15 20:07:29,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-15 20:07:29,109 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-15 20:07:29,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-15 20:07:29,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-15 20:07:29,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-15 20:07:29,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-15 20:07:29,110 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-15 20:07:29,110 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-15 20:07:29,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-15 20:07:29,111 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-15 20:07:29,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-15 20:07:29,111 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-15 20:07:29,111 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-15 20:07:29,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-15 20:07:29,112 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-15 20:07:29,112 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-15 20:07:29,112 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-15 20:07:29,113 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:29,113 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-15 20:07:29,113 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-15 20:07:29,113 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-15 20:07:29,113 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-15 20:07:29,114 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-15 20:07:29,115 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-15 20:07:29,115 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-15 20:07:29,115 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-15 20:07:29,115 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-15 20:07:29,115 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-15 20:07:29,116 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-15 20:07:29,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-15 20:07:29,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-15 20:07:29,354 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-15 20:07:29,355 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-15 20:07:29,355 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-15 20:07:29,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-15 20:07:29,400 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-15 20:07:29,401 INFO L274 PluginConnector]: CDTParser initialized [2024-09-15 20:07:29,401 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-15 20:07:30,921 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-15 20:07:31,213 INFO L384 CDTParser]: Found 1 translation units. [2024-09-15 20:07:31,214 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-15 20:07:31,232 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ae582fbbf/b9134fb18da5498ebfed4a0632e2a4ba/FLAGd7a8caabd [2024-09-15 20:07:31,262 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ae582fbbf/b9134fb18da5498ebfed4a0632e2a4ba [2024-09-15 20:07:31,263 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-15 20:07:31,264 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-15 20:07:31,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:31,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-15 20:07:31,278 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-15 20:07:31,279 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:29" (1/2) ... [2024-09-15 20:07:31,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb7693f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:31, skipping insertion in model container [2024-09-15 20:07:31,280 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:29" (1/2) ... [2024-09-15 20:07:31,281 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@321e49b6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.09 08:07:31, skipping insertion in model container [2024-09-15 20:07:31,288 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:31" (2/2) ... [2024-09-15 20:07:31,289 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bb7693f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31, skipping insertion in model container [2024-09-15 20:07:31,289 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.09 08:07:31" (2/2) ... [2024-09-15 20:07:31,297 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-15 20:07:31,298 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (n <= 0)) && (counter == 1)) && (h == 0)) && (q == 1)) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-15 20:07:31,298 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && ((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) || (((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)) && (q == 1))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0)))) [2024-09-15 20:07:31,298 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-15 20:07:31,298 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-15 20:07:31,298 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-15 20:07:31,315 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-15 20:07:31,454 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] [2024-09-15 20:07:31,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:31,509 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-15 20:07:31,538 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-15 20:07:31,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-15 20:07:31,576 INFO L204 MainTranslator]: Completed translation [2024-09-15 20:07:31,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31 WrapperNode [2024-09-15 20:07:31,577 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-15 20:07:31,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-15 20:07:31,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-15 20:07:31,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-15 20:07:31,587 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,598 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,610 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-15 20:07:31,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,625 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,633 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,639 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-15 20:07:31,640 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-15 20:07:31,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-15 20:07:31,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-15 20:07:31,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (1/1) ... [2024-09-15 20:07:31,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-15 20:07:31,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-15 20:07:31,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-15 20:07:31,680 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-15 20:07:31,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-15 20:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-15 20:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-15 20:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-15 20:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-15 20:07:31,712 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-15 20:07:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-15 20:07:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-15 20:07:31,712 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-15 20:07:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-15 20:07:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-15 20:07:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-15 20:07:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-15 20:07:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-15 20:07:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-15 20:07:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-15 20:07:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-15 20:07:31,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-15 20:07:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-15 20:07:31,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-15 20:07:31,794 INFO L242 CfgBuilder]: Building ICFG [2024-09-15 20:07:31,800 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-15 20:07:31,837 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:31,872 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:34,082 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-15 20:07:34,119 INFO L291 CfgBuilder]: Performing block encoding [2024-09-15 20:07:34,139 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-15 20:07:34,139 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-15 20:07:34,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:34 BoogieIcfgContainer [2024-09-15 20:07:34,140 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-15 20:07:34,140 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-15 20:07:34,140 INFO L270 PluginConnector]: Initializing Referee... [2024-09-15 20:07:34,141 INFO L274 PluginConnector]: Referee initialized [2024-09-15 20:07:34,141 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.09 08:07:29" (1/4) ... [2024-09-15 20:07:34,142 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@23e10579 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.09 08:07:34, skipping insertion in model container [2024-09-15 20:07:34,142 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.09 08:07:31" (2/4) ... [2024-09-15 20:07:34,142 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@23e10579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:34, skipping insertion in model container [2024-09-15 20:07:34,142 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.09 08:07:31" (3/4) ... [2024-09-15 20:07:34,142 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@23e10579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.09 08:07:34, skipping insertion in model container [2024-09-15 20:07:34,143 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.09 08:07:34" (4/4) ... [2024-09-15 20:07:34,143 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-15 20:07:34,146 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-15 20:07:34,147 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:34,147 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-15 20:07:34,147 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-15 20:07:34,147 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-15 20:07:34,148 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-15 20:07:34,148 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:34,148 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-15 20:07:34,148 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-15 20:07:34,148 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-15 20:07:34,148 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-15 20:07:34,149 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-15 20:07:34,149 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-15 20:07:34,149 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:34,149 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-15 20:07:34,149 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-15 20:07:34,150 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-15 20:07:34,150 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-15 20:07:34,150 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-15 20:07:34,150 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-15 20:07:34,150 INFO L130 InvariantChecker]: Will check 10 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 5 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-15 20:07:34,208 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-15 20:07:34,209 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:34,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:34,210 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:34,211 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:34,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,218 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-15 20:07:34,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,219 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:34,219 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:34,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:34,225 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:34,240 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:34,293 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-15 20:07:34,295 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:34,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:34,296 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:34,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:34,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,385 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-15 20:07:34,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,386 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:34,387 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:34,387 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:34,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:34,564 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:34,646 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-15 20:07:34,646 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:34,647 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:34,647 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:34,647 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:34,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,662 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-15 20:07:34,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:34,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:34,663 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:34,669 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:34,707 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-15 20:07:34,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:34,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:34,708 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:34,709 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:34,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,729 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-15 20:07:34,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,730 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:34,730 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:34,730 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:34,731 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:34,815 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:34,848 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-15 20:07:34,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:34,849 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:34,849 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:34,849 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:34,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,870 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-15 20:07:34,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:34,870 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:34,871 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:34,871 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:34,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:35,318 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:35,375 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:35,375 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:35,375 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:35,375 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:35,375 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:35,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,379 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:35,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:35,379 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:35,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:35,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:35,396 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:35,411 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-15 20:07:35,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:35,411 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:35,411 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:35,412 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:35,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,440 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-15 20:07:35,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,441 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:35,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:35,443 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:35,443 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:35,625 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:35,677 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-15 20:07:35,677 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:35,677 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:35,677 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:35,677 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:35,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,688 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-15 20:07:35,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,688 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:35,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:35,688 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:35,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:35,844 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:35,894 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-15 20:07:35,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:35,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:35,895 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:35,895 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:35,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,895 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-15 20:07:35,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,896 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:35,896 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:35,896 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:35,896 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:35,897 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:35,913 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-15 20:07:35,913 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:35,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:35,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:35,920 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:35,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,978 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-15 20:07:35,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:35,979 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:35,979 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:35,979 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:35,994 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:36,719 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:36,793 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-15 20:07:36,794 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:36,794 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:36,794 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:36,794 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:36,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:36,805 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-15 20:07:36,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:36,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:36,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:36,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:36,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:36,997 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:37,054 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-15 20:07:37,054 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:37,054 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:37,054 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:37,054 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:37,055 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:37,086 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-15 20:07:37,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:37,087 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:37,087 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:37,087 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:37,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:37,088 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:37,096 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:37,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:37,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:37,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:37,097 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:37,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:37,097 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:37,098 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:37,098 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:37,098 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:37,098 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:37,098 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:37,099 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:37,121 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-15 20:07:37,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:37,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:37,122 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:37,122 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:37,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:37,123 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-15 20:07:37,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:37,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:37,123 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:37,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:37,124 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:37,125 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-15 20:07:37,137 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-15 20:07:37,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:37,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:37,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:37,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:37,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:37,161 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-15 20:07:37,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:37,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:37,162 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:37,162 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:37,166 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:38,276 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:38,340 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-15 20:07:38,344 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:38,344 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:38,344 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:38,344 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:38,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:38,345 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-15 20:07:38,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:38,345 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:38,345 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:38,345 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:38,345 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:38,347 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-15 20:07:38,369 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:38,369 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:38,369 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:38,369 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:38,369 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:38,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:38,370 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:38,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:38,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:38,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:38,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:38,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:38,378 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:38,393 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-15 20:07:38,393 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:38,393 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:38,393 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:38,393 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:38,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:38,400 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-15 20:07:38,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:38,400 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:38,400 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:38,400 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:38,400 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:38,416 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-15 20:07:38,446 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-15 20:07:38,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-15 20:07:38,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-15 20:07:38,447 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-15 20:07:38,447 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-15 20:07:38,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:38,449 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-15 20:07:38,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-15 20:07:38,449 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-15 20:07:38,449 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-15 20:07:38,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-15 20:07:38,450 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-15 20:07:38,463 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-15 20:07:38,478 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-15 20:07:38,480 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@23e10579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.09 08:07:38, skipping insertion in model container [2024-09-15 20:07:38,480 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-15 20:07:38,481 INFO L158 Benchmark]: Toolchain (without parser) took 7216.97ms. Allocated memory was 86.0MB in the beginning and 155.2MB in the end (delta: 69.2MB). Free memory was 48.7MB in the beginning and 123.0MB in the end (delta: -74.3MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2024-09-15 20:07:38,481 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:38,481 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 64.1MB in the beginning and 64.0MB in the end (delta: 115.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-15 20:07:38,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.63ms. Allocated memory is still 86.0MB. Free memory was 48.7MB in the beginning and 59.1MB in the end (delta: -10.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-09-15 20:07:38,482 INFO L158 Benchmark]: Boogie Preprocessor took 61.88ms. Allocated memory is still 86.0MB. Free memory was 59.1MB in the beginning and 56.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-15 20:07:38,482 INFO L158 Benchmark]: RCFGBuilder took 2499.87ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 56.6MB in the beginning and 99.4MB in the end (delta: -42.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2024-09-15 20:07:38,483 INFO L158 Benchmark]: Referee took 4339.27ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 99.4MB in the beginning and 123.0MB in the end (delta: -23.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. [2024-09-15 20:07:38,489 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 loop head at line 30 to loop head at line 38. One counterexample starts in \old(counter)=0, counter=2147483647, h=0, n=0, p=0, q=0, r=0 and ends in \old(counter)=0, counter=-2147483648, h=0, n=0, p=0, q=0, r=0. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. 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 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. 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 loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 86.0MB. Free memory is still 66.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 86.0MB. Free memory was 64.1MB in the beginning and 64.0MB in the end (delta: 115.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.63ms. Allocated memory is still 86.0MB. Free memory was 48.7MB in the beginning and 59.1MB in the end (delta: -10.4MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.88ms. Allocated memory is still 86.0MB. Free memory was 59.1MB in the beginning and 56.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2499.87ms. Allocated memory was 86.0MB in the beginning and 127.9MB in the end (delta: 41.9MB). Free memory was 56.6MB in the beginning and 99.4MB in the end (delta: -42.8MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Referee took 4339.27ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 99.4MB in the beginning and 123.0MB in the end (delta: -23.6MB). Peak memory consumption was 72.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-15 20:07:38,601 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