./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:39,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:39,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:39,906 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:39,907 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:39,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:39,925 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:39,926 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:39,927 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:39,928 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:39,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:39,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:39,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:39,929 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:39,930 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:39,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:39,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:39,931 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:39,931 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:39,931 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:39,931 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:39,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:39,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:39,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:39,934 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:39,935 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:39,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:39,935 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:39,935 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:39,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:39,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:39,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:39,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:39,936 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:39,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:39,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:39,936 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:39,936 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:39,936 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:39,936 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:39,936 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:39,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:39,938 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:40,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:40,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:40,148 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:40,150 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:40,150 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:40,151 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-11 20:48:40,215 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:40,215 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:40,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-11 20:48:41,371 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:41,500 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:41,501 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-11 20:48:41,508 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/06cb61a90/de2f890b97e44f3eacb382edfde438c8/FLAG00049a431 [2024-09-11 20:48:41,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/06cb61a90/de2f890b97e44f3eacb382edfde438c8 [2024-09-11 20:48:41,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:41,932 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:41,933 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:41,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:41,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:41,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:40" (1/2) ... [2024-09-11 20:48:41,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5d8d01 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:41, skipping insertion in model container [2024-09-11 20:48:41,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:40" (1/2) ... [2024-09-11 20:48:41,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2fc23d0c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:41, skipping insertion in model container [2024-09-11 20:48:41,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:41" (2/2) ... [2024-09-11 20:48:41,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f5d8d01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:41, skipping insertion in model container [2024-09-11 20:48:41,940 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:41" (2/2) ... [2024-09-11 20:48:41,944 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:41,945 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((p == 0) && (h == 0)) && (1 <= counter)) && (n == r)) [2024-09-11 20:48:41,945 INFO L1541 ArrayList]: Loop invariant at [L30-L35] (((((p == 0) && (h == 0)) && (counter == 0)) && (n == r)) || ((((p == 0) && (h == 0)) && (1 <= counter)) && (n == r))) [2024-09-11 20:48:41,945 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:48:41,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:42,067 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2024-09-11 20:48:42,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:42,106 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:48:42,136 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] Start Parsing Local Start Parsing Local [2024-09-11 20:48:42,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:42,179 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:42,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42 WrapperNode [2024-09-11 20:48:42,180 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:42,181 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:42,181 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:42,181 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:42,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,215 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:42,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,218 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,226 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,229 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,230 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,232 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:42,233 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:42,233 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:42,233 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:42,234 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (1/1) ... [2024-09-11 20:48:42,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:42,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:42,258 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:48:42,260 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:48:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:42,289 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:42,289 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-11 20:48:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:42,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:42,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:42,341 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:42,343 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:42,539 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:42,596 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:42,597 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:42,619 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:42,619 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:42,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:42 BoogieIcfgContainer [2024-09-11 20:48:42,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:42,620 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:42,620 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:42,621 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:42,621 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:40" (1/4) ... [2024-09-11 20:48:42,622 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a218921 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:42, skipping insertion in model container [2024-09-11 20:48:42,622 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:41" (2/4) ... [2024-09-11 20:48:42,623 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a218921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:42, skipping insertion in model container [2024-09-11 20:48:42,623 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42" (3/4) ... [2024-09-11 20:48:42,623 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a218921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:42, skipping insertion in model container [2024-09-11 20:48:42,623 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:42" (4/4) ... [2024-09-11 20:48:42,624 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-11 20:48:42,627 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:42,628 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-11 20:48:42,628 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:42,628 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:42,629 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-11 20:48:42,629 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:48:42,629 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-11 20:48:42,629 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:42,630 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:48:42,630 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-11 20:48:42,630 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:42,630 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:42,630 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:42,630 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:48:42,630 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-11 20:48:42,630 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:42,631 INFO L130 InvariantChecker]: Will check 9 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:48:42,737 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-11 20:48:42,738 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:42,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:42,739 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:42,740 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:42,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:42,836 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-11 20:48:42,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:42,837 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:42,838 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:42,838 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:42,856 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:42,872 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:42,893 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:48:42,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:42,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:42,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:42,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:42,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:42,900 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-11 20:48:42,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:42,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:42,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:42,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:42,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:42,905 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:42,924 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:42,924 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:42,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:42,925 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:42,925 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:42,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:42,935 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:42,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:42,936 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:42,936 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:42,936 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:42,936 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:42,939 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:42,957 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-11 20:48:42,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:42,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:42,957 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:42,957 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:42,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:42,989 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-11 20:48:42,990 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:42,990 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:42,990 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:42,990 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:42,997 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:47,002 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:47,017 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:47,018 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:47,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:47,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:47,018 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:47,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,024 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:47,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,025 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:47,025 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:47,025 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:47,025 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:47,027 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:47,052 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-11 20:48:47,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:47,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:47,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:47,053 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:47,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,078 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-11 20:48:47,078 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:47,079 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:47,079 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:47,079 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:47,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:51,092 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:51,108 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:51,109 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:51,109 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:51,109 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:51,109 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:51,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:51,113 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:51,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:51,113 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:51,113 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:51,114 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:51,114 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:51,116 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:51,127 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:51,128 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:51,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:51,129 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:51,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:51,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:51,147 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:51,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:51,147 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:51,147 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:51,147 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:51,148 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:51,153 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:51,166 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-11 20:48:51,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:51,166 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:51,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:51,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:51,167 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:51,199 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-11 20:48:51,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:51,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:51,200 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:51,200 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:51,207 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:55,211 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:55,225 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:48:55,225 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:55,225 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:55,225 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:55,226 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:55,226 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,235 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:48:55,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,235 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:55,235 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:55,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:55,235 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:55,238 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:55,247 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:55,247 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:55,247 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:55,247 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:55,247 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:55,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,248 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:55,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:55,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:55,249 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:55,249 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:55,252 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:55,261 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:55,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:55,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:55,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:55,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:55,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,274 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:55,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:55,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:55,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:55,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:55,277 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:55,286 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:55,287 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:55,287 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:55,287 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:55,287 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:55,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,289 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:55,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:55,289 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:55,289 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:55,290 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:55,306 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:55,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:55,307 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:55,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:55,307 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:55,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,311 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:55,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,311 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:55,311 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:55,311 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:55,311 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:55,313 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:55,324 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:55,325 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:55,325 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:55,325 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:55,325 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:55,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,328 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:55,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:55,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:55,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:55,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:55,329 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:55,331 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:55,337 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:48:55,338 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a218921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:55, skipping insertion in model container [2024-09-11 20:48:55,338 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:55,339 INFO L158 Benchmark]: Toolchain (without parser) took 13406.44ms. Allocated memory is still 195.0MB. Free memory was 121.0MB in the beginning and 137.7MB in the end (delta: -16.7MB). Peak memory consumption was 65.0MB. Max. memory is 16.1GB. [2024-09-11 20:48:55,339 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 117.4MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:55,340 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 195.0MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:55,340 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.22ms. Allocated memory is still 195.0MB. Free memory was 120.7MB in the beginning and 106.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:55,340 INFO L158 Benchmark]: Boogie Preprocessor took 51.67ms. Allocated memory is still 195.0MB. Free memory was 106.2MB in the beginning and 103.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:55,341 INFO L158 Benchmark]: RCFGBuilder took 386.82ms. Allocated memory is still 195.0MB. Free memory was 103.8MB in the beginning and 79.4MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:55,342 INFO L158 Benchmark]: Referee took 12717.49ms. Allocated memory is still 195.0MB. Free memory was 79.4MB in the beginning and 137.7MB in the end (delta: -58.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:55,344 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure main to loop head at line 30. One counterexample starts in counter=-1 and ends in counter=-1, h=0, n=0, p=0, q=1, r=0. 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 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 57. 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 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 38. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 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 41. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.09ms. Allocated memory is still 117.4MB. Free memory is still 80.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.70ms. Allocated memory is still 195.0MB. Free memory is still 168.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.22ms. Allocated memory is still 195.0MB. Free memory was 120.7MB in the beginning and 106.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.67ms. Allocated memory is still 195.0MB. Free memory was 106.2MB in the beginning and 103.8MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 386.82ms. Allocated memory is still 195.0MB. Free memory was 103.8MB in the beginning and 79.4MB in the end (delta: 24.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 12717.49ms. Allocated memory is still 195.0MB. Free memory was 79.4MB in the beginning and 137.7MB in the end (delta: -58.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:55,369 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