./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 5189fb62 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-dev-5189fb6-m [2024-09-13 05:06:03,961 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:04,027 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:06:04,034 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:04,037 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:04,075 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:04,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:04,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:04,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:04,079 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:04,079 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:04,079 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:04,080 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:04,084 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:04,084 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:04,085 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:04,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:04,086 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:04,086 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:06:04,086 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:04,086 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:04,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:04,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:04,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:04,088 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:04,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:04,089 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:04,089 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:04,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:04,090 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:04,090 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:04,091 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:04,091 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:04,091 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:04,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:04,092 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:04,092 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:04,092 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:06:04,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:06:04,093 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:04,093 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:04,093 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:04,093 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:04,094 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:04,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:04,347 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:04,350 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:04,351 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:04,352 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:04,353 INFO L431 ainManager$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 [2024-09-13 05:06:04,409 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:04,409 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:04,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-13 05:06:05,843 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:05,996 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:05,997 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-13 05:06:06,004 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/33234ef5e/082794f541354704829afcc5204c6cf8/FLAGd2790fd0c [2024-09-13 05:06:06,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/33234ef5e/082794f541354704829afcc5204c6cf8 [2024-09-13 05:06:06,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:06,019 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:06,021 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:06,021 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:06,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:06,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:04" (1/2) ... [2024-09-13 05:06:06,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1756c246 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:06, skipping insertion in model container [2024-09-13 05:06:06,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:04" (1/2) ... [2024-09-13 05:06:06,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7d435eb9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:06, skipping insertion in model container [2024-09-13 05:06:06,031 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:06" (2/2) ... [2024-09-13 05:06:06,032 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1756c246 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06, skipping insertion in model container [2024-09-13 05:06:06,032 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:06" (2/2) ... [2024-09-13 05:06:06,041 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:06,042 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) && (q == 1)) && (r <= ((r / 4294967296) * 4294967296))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-13 05:06:06,042 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)))) [2024-09-13 05:06:06,042 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:06:06,042 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:06,042 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:06:06,060 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:06,185 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_unwindbound2.c[525,538] [2024-09-13 05:06:06,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:06,235 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:06:06,276 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_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 05:06:06,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:06,313 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:06,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06 WrapperNode [2024-09-13 05:06:06,314 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:06,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:06,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:06,315 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:06,328 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,339 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,354 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 [2024-09-13 05:06:06,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,360 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:06,375 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:06,375 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:06,375 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:06,376 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (1/1) ... [2024-09-13 05:06:06,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:06,389 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:06,408 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) [2024-09-13 05:06:06,429 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 [2024-09-13 05:06:06,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:06,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:06,471 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:06,472 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:06,472 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:06,472 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:06,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:06:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:06:06,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:06:06,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:06,551 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:06,555 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:06,575 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:06,602 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:06,938 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:06,971 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:07,009 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:07,009 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:07,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:07 BoogieIcfgContainer [2024-09-13 05:06:07,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:07,011 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:07,011 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:07,011 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:07,012 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:04" (1/4) ... [2024-09-13 05:06:07,012 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32f0583a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:07, skipping insertion in model container [2024-09-13 05:06:07,013 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:06" (2/4) ... [2024-09-13 05:06:07,014 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32f0583a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:07, skipping insertion in model container [2024-09-13 05:06:07,014 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:06" (3/4) ... [2024-09-13 05:06:07,015 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32f0583a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:07, skipping insertion in model container [2024-09-13 05:06:07,015 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:07" (4/4) ... [2024-09-13 05:06:07,016 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-13 05:06:07,020 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:07,021 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. [2024-09-13 05:06:07,021 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-13 05:06:07,021 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:07,022 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:06:07,022 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-13 05:06:07,023 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:07,023 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 05:06:07,023 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:06:07,023 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:06:07,024 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-13 05:06:07,024 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:06:07,024 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-13 05:06:07,024 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:07,024 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:07,025 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-13 05:06:07,025 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:07,025 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:06:07,025 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:07,025 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:07,026 INFO L130 InvariantChecker]: Will check 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, 10 loop-free subgraphs from loop head to error location [2024-09-13 05:06:07,109 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:06:07,110 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:07,111 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:07,111 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:07,112 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:07,114 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:07,122 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:06:07,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:07,124 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:07,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:07,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:07,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:07,146 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:07,194 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-13 05:06:07,194 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:07,194 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:07,194 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:07,194 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:07,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:07,360 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-13 05:06:07,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:07,361 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:07,362 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:07,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:07,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:07,398 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:07,473 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:07,473 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:07,473 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:07,473 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:07,473 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:07,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:07,500 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:07,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:07,501 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:07,501 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:07,501 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:07,505 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:07,511 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:07,539 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 05:06:07,540 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:07,540 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:07,540 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:07,540 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:07,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:07,551 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 05:06:07,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:07,552 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:07,553 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:07,553 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:07,553 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:11,560 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:11,583 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-13 05:06:11,583 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:11,584 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:11,584 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:11,584 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:11,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:11,622 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-13 05:06:11,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:11,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:11,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:11,623 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:11,633 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:15,638 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:15,667 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:15,667 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:15,668 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:15,668 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:15,668 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:15,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:15,674 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:15,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:15,674 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:15,675 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:15,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:15,675 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:19,685 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:19,709 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-13 05:06:19,709 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:19,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:19,710 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:19,710 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:19,710 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:19,739 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-13 05:06:19,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:19,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:19,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:19,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:19,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:19,747 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:19,767 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 05:06:19,768 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:19,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:19,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:19,768 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:19,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:19,798 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 05:06:19,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:19,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:19,800 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:19,800 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:19,800 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:23,804 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:23,827 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:06:23,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:23,828 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:23,828 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:23,828 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:23,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:23,828 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:06:23,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:23,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:23,829 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:23,829 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:23,829 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:23,831 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:23,848 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-13 05:06:23,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:23,849 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:23,849 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:23,849 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:23,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:23,884 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-13 05:06:23,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:23,885 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:23,885 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:23,885 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:23,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,901 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:27,931 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:06:27,931 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,931 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,932 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,932 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,943 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:06:27,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,943 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:31,952 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:31,975 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-13 05:06:31,975 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:31,975 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:31,975 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:31,975 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:31,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:32,032 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-13 05:06:32,033 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:32,033 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:32,033 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:32,033 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:32,034 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:32,035 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:32,047 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:32,048 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:32,048 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:32,048 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:32,056 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:32,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:32,057 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:32,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:32,057 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:32,058 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:32,058 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:32,058 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:32,062 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:32,075 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:32,075 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:32,075 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:32,075 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:32,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:32,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:32,077 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:32,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:32,077 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:32,077 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:32,078 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:32,078 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:32,082 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:32,096 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-13 05:06:32,096 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:32,096 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:32,096 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:32,097 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:32,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:32,137 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-13 05:06:32,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:32,137 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:32,137 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:32,138 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:32,146 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:36,150 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:36,169 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:36,169 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:36,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:36,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:36,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:36,169 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:36,170 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:36,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:36,170 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:36,171 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:36,171 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:36,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:36,172 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:36,188 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:36,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:36,189 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:36,189 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:36,189 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:36,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:36,190 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:36,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:36,191 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:36,191 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:36,191 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:36,191 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:36,199 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:36,217 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:36,217 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:36,217 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:36,217 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:36,217 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:36,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:36,222 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:36,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:36,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:36,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:36,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:36,223 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:36,229 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:36,241 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:36,242 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:36,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:36,242 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:36,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:36,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:36,245 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:36,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:36,246 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:36,246 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:36,246 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:36,246 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:36,250 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:36,254 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:06:36,255 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@32f0583a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:36, skipping insertion in model container [2024-09-13 05:06:36,255 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:36,257 INFO L158 Benchmark]: Toolchain (without parser) took 30237.08ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 86.4MB in the beginning and 104.8MB in the end (delta: -18.4MB). Peak memory consumption was 81.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:36,257 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 142.6MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:36,258 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 142.6MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:36,259 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.24ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 70.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:36,260 INFO L158 Benchmark]: Boogie Preprocessor took 60.21ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:36,261 INFO L158 Benchmark]: RCFGBuilder took 634.79ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 68.8MB in the beginning and 163.2MB in the end (delta: -94.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:36,262 INFO L158 Benchmark]: Referee took 29244.75ms. Allocated memory is still 211.8MB. Free memory was 163.2MB in the beginning and 104.8MB in the end (delta: 58.4MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:36,264 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 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 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 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 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 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 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 39. 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 30 to loop head at line 30. 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 exit of procedure main. 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 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 30 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 loop head at line 38 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 43. 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 0.19ms. Allocated memory is still 142.6MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 1.45ms. Allocated memory is still 142.6MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.24ms. Allocated memory is still 142.6MB. Free memory was 86.0MB in the beginning and 70.9MB in the end (delta: 15.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.21ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.79ms. Allocated memory was 142.6MB in the beginning and 211.8MB in the end (delta: 69.2MB). Free memory was 68.8MB in the beginning and 163.2MB in the end (delta: -94.4MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Referee took 29244.75ms. Allocated memory is still 211.8MB. Free memory was 163.2MB in the beginning and 104.8MB in the end (delta: 58.4MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:36,307 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/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-dev-5189fb6-m [2024-09-13 05:06:38,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:38,371 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:06:38,377 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:38,378 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:38,408 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:38,409 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:38,409 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:38,410 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:38,411 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:38,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:38,412 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:38,412 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:38,413 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:38,413 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:38,417 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:38,417 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:38,417 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:38,418 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:38,418 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:38,418 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:38,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:38,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:38,423 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:06:38,423 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:06:38,423 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:38,424 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:06:38,424 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:38,424 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:38,424 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:38,425 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:38,425 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:38,425 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:38,425 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:38,432 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:38,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:38,433 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:38,433 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:38,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:38,433 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:06:38,434 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:06:38,439 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:38,439 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:38,439 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:38,440 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:38,440 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:06:38,440 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:38,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:38,753 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:38,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:38,758 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:38,758 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:38,760 INFO L431 ainManager$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 [2024-09-13 05:06:38,811 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:38,812 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:38,812 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-13 05:06:40,309 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:40,545 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:40,546 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-13 05:06:40,554 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6c9d3b85f/66ca8bcd82ec4c93b3afc2a842feb0b2/FLAG5ed0dfc55 [2024-09-13 05:06:40,575 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6c9d3b85f/66ca8bcd82ec4c93b3afc2a842feb0b2 [2024-09-13 05:06:40,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:40,577 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:40,579 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:40,579 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:40,584 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:40,584 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:38" (1/2) ... [2024-09-13 05:06:40,588 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c90c2d6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:40, skipping insertion in model container [2024-09-13 05:06:40,588 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:38" (1/2) ... [2024-09-13 05:06:40,590 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f9f0511 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:40, skipping insertion in model container [2024-09-13 05:06:40,590 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:40" (2/2) ... [2024-09-13 05:06:40,592 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c90c2d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40, skipping insertion in model container [2024-09-13 05:06:40,592 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:40" (2/2) ... [2024-09-13 05:06:40,601 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:40,602 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)))) [2024-09-13 05:06:40,602 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) && (q == 1)) && (r <= ((r / 4294967296) * 4294967296))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-13 05:06:40,602 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:06:40,602 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:40,602 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:06:40,626 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:40,785 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_unwindbound2.c[525,538] [2024-09-13 05:06:40,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:40,851 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:06:40,893 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_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 05:06:40,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:40,943 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:40,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40 WrapperNode [2024-09-13 05:06:40,945 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:40,946 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:40,946 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:40,946 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:40,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:40,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:40,972 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:40,985 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 [2024-09-13 05:06:40,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:40,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:41,001 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:41,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:41,021 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:41,022 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:41,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:41,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:41,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:41,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:41,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (1/1) ... [2024-09-13 05:06:41,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:41,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:41,115 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) [2024-09-13 05:06:41,127 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 [2024-09-13 05:06:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:41,169 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:41,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:06:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:41,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:06:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:06:41,172 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:41,237 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:41,240 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:41,262 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:41,294 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:43,817 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:43,868 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:43,897 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:43,901 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:43,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:43 BoogieIcfgContainer [2024-09-13 05:06:43,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:43,902 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:43,902 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:43,907 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:43,907 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:38" (1/4) ... [2024-09-13 05:06:43,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@690458b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:43, skipping insertion in model container [2024-09-13 05:06:43,908 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:40" (2/4) ... [2024-09-13 05:06:43,908 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@690458b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:43, skipping insertion in model container [2024-09-13 05:06:43,908 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:40" (3/4) ... [2024-09-13 05:06:43,909 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@690458b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:43, skipping insertion in model container [2024-09-13 05:06:43,909 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:43" (4/4) ... [2024-09-13 05:06:43,910 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-13 05:06:43,913 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:43,914 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. [2024-09-13 05:06:43,914 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-13 05:06:43,915 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:43,922 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 05:06:43,922 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-13 05:06:43,922 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:43,922 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 05:06:43,923 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:06:43,923 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:06:43,923 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-13 05:06:43,923 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:06:43,923 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-13 05:06:43,923 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:43,923 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:43,923 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-13 05:06:43,924 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:43,924 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:06:43,924 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:43,924 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:43,924 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 [2024-09-13 05:06:44,008 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:06:44,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:44,010 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:44,010 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:44,011 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:44,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,027 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:06:44,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:44,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:44,029 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:44,033 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:44,047 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:44,087 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-13 05:06:44,087 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:44,088 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:44,088 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:44,088 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:44,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,195 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-13 05:06:44,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,197 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:44,197 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:44,197 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:44,212 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:44,431 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:44,505 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:44,506 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:44,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:44,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:44,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:44,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,518 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:44,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,519 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:44,519 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:44,519 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:44,523 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:44,564 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 05:06:44,564 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:44,565 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:44,565 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:44,565 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:44,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,575 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 05:06:44,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,576 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:44,576 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:44,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:44,577 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:44,700 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:44,750 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-13 05:06:44,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:44,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:44,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:44,750 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:44,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,780 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-13 05:06:44,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:44,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:44,781 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:44,781 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:44,788 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:45,058 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:45,122 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:45,122 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:45,122 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:45,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:45,123 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:45,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:45,128 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:45,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:45,128 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:45,129 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:45,129 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:45,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:49,155 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:49,179 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-13 05:06:49,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:49,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:49,180 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:49,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:49,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:49,205 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-13 05:06:49,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:49,206 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:49,206 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:49,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:49,206 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:49,418 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:49,484 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 05:06:49,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:49,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:49,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:49,486 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:49,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:49,509 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 05:06:49,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:49,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:49,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:49,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:49,510 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:49,718 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:49,784 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:06:49,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:49,784 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:49,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:49,785 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:49,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:49,785 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:06:49,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:49,785 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:49,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:49,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:49,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:49,788 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:49,809 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-13 05:06:49,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:49,810 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:49,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:49,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:49,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:49,848 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-13 05:06:49,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:49,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:49,849 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:49,849 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:49,858 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:50,428 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:50,502 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:06:50,502 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:50,502 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:50,502 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:50,503 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:50,503 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,513 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:06:50,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:50,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:50,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:50,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:50,712 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:50,773 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-13 05:06:50,773 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:50,773 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:50,773 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:50,773 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:50,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,826 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-13 05:06:50,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:50,827 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:50,827 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:50,827 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:50,829 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:50,842 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:50,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:50,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:50,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:50,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:50,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,844 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:50,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,844 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:50,845 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:50,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:50,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:50,846 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:50,869 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:50,869 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:50,869 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:50,870 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:50,870 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:50,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,872 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:50,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,873 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:50,873 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:50,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:50,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:50,878 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:50,895 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-13 05:06:50,895 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:50,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:50,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:50,896 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:50,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,943 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-13 05:06:50,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:50,943 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:50,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:50,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:50,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:51,202 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:51,260 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:51,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:51,261 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:51,261 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:51,261 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:51,261 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:51,262 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:51,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:51,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:51,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:51,262 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:51,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:51,264 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:51,277 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:51,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:51,277 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:51,277 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:51,278 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:51,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:51,279 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:51,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:51,280 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:51,280 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:51,280 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:51,280 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:51,282 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:51,295 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:51,295 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:51,295 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:51,296 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:51,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:51,296 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:51,300 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:51,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:51,301 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:51,301 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:51,301 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:51,301 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:51,319 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:51,332 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:51,332 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:51,332 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:51,332 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:51,332 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:51,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:51,335 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:51,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:51,336 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:51,336 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:51,336 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:51,336 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:51,345 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:51,353 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 05:06:51,353 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@690458b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:51, skipping insertion in model container [2024-09-13 05:06:51,353 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:51,355 INFO L158 Benchmark]: Toolchain (without parser) took 10777.71ms. Allocated memory is still 75.5MB. Free memory was 52.6MB in the beginning and 42.3MB in the end (delta: 10.4MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2024-09-13 05:06:51,355 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:51,356 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 31.8MB in the beginning and 31.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:51,356 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.31ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 36.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:51,357 INFO L158 Benchmark]: Boogie Preprocessor took 94.73ms. Allocated memory is still 75.5MB. Free memory was 36.7MB in the beginning and 55.5MB in the end (delta: -18.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-09-13 05:06:51,357 INFO L158 Benchmark]: RCFGBuilder took 2860.64ms. Allocated memory is still 75.5MB. Free memory was 55.5MB in the beginning and 29.6MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-13 05:06:51,358 INFO L158 Benchmark]: Referee took 7451.22ms. Allocated memory is still 75.5MB. Free memory was 29.6MB in the beginning and 42.3MB in the end (delta: -12.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2024-09-13 05:06:51,360 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=1, p=0, q=0, r=1 and ends in \old(counter)=0, counter=-2147483648, h=0, n=1, p=0, q=0, r=1. 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 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 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 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 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 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 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 38 to check that procedure precondition always holds at line 42. 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 57. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to 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 exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 33.9MB in the beginning and 33.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 58.7MB. Free memory was 31.8MB in the beginning and 31.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.31ms. Allocated memory is still 75.5MB. Free memory was 52.4MB in the beginning and 36.7MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 94.73ms. Allocated memory is still 75.5MB. Free memory was 36.7MB in the beginning and 55.5MB in the end (delta: -18.8MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * RCFGBuilder took 2860.64ms. Allocated memory is still 75.5MB. Free memory was 55.5MB in the beginning and 29.6MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 7451.22ms. Allocated memory is still 75.5MB. Free memory was 29.6MB in the beginning and 42.3MB in the end (delta: -12.6MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:51,450 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