./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:25,970 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:26,028 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:26,033 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:26,034 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:26,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:26,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:26,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:26,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:26,059 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:26,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:26,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:26,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:26,060 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:26,061 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:26,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:26,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:26,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:26,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:26,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:26,063 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:26,064 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:26,064 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:26,064 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:26,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:26,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:26,065 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:26,065 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:26,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:26,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:26,066 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:26,066 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:26,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:26,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:26,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:26,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:26,067 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:26,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:26,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:26,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:26,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:26,070 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:26,070 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:26,070 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:26,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:26,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:26,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:26,316 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:26,318 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:26,319 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-20 20:10:27,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:28,084 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:28,088 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-20 20:10:28,096 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/16e719905/8fcd809296704fe6823c301da69ccf33/FLAG33ac5a612 [2024-09-20 20:10:28,112 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/16e719905/8fcd809296704fe6823c301da69ccf33 [2024-09-20 20:10:28,115 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:28,115 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:28,117 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-20 20:10:28,163 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:28,164 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:28,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:28,166 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:28,170 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:28,171 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:28" (1/2) ... [2024-09-20 20:10:28,173 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a64b0f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:28, skipping insertion in model container [2024-09-20 20:10:28,173 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:28" (1/2) ... [2024-09-20 20:10:28,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f39816f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:28, skipping insertion in model container [2024-09-20 20:10:28,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:28" (2/2) ... [2024-09-20 20:10:28,175 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a64b0f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28, skipping insertion in model container [2024-09-20 20:10:28,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:28" (2/2) ... [2024-09-20 20:10:28,185 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:28,185 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && (((((p == 0) && (n == r)) && (1 <= counter)) && (h == 0)) || ((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)))) [2024-09-20 20:10:28,186 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-20 20:10:28,186 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:10:28,186 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:28,186 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:10:28,203 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:28,338 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2024-09-20 20:10:28,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:28,377 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:28,411 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:10:28,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:28,466 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:28,467 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28 WrapperNode [2024-09-20 20:10:28,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:28,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:28,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:28,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:28,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,483 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,488 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,517 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 [2024-09-20 20:10:28,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,519 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,537 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:28,540 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:28,541 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:28,541 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:28,542 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (1/1) ... [2024-09-20 20:10:28,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:28,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:28,580 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) [2024-09-20 20:10:28,590 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 [2024-09-20 20:10:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:28,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:28,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:28,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:28,628 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:28,684 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:28,687 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:28,709 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:28,741 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:28,975 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:28,995 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:29,023 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:29,023 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:29,024 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:29 BoogieIcfgContainer [2024-09-20 20:10:29,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:29,024 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:29,025 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:29,025 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:29,026 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:28" (1/4) ... [2024-09-20 20:10:29,026 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8fa8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:29, skipping insertion in model container [2024-09-20 20:10:29,026 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:28" (2/4) ... [2024-09-20 20:10:29,028 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8fa8e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:29, skipping insertion in model container [2024-09-20 20:10:29,028 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:28" (3/4) ... [2024-09-20 20:10:29,028 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8fa8e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:29, skipping insertion in model container [2024-09-20 20:10:29,028 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:29" (4/4) ... [2024-09-20 20:10:29,029 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-20 20:10:29,032 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:29,032 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:29,033 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-20 20:10:29,033 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:29,033 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:10:29,033 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-20 20:10:29,034 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:29,034 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 20:10:29,034 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:29,034 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:10:29,034 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-20 20:10:29,035 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:10:29,035 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-20 20:10:29,035 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:29,035 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:29,035 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-20 20:10:29,035 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:29,036 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:10:29,036 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:29,036 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:29,036 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 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 [2024-09-20 20:10:29,112 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:29,113 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:29,114 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:29,114 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:29,116 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:29,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,125 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:29,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:29,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:29,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:29,129 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:29,144 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:29,179 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-20 20:10:29,181 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:29,181 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:29,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:29,181 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:29,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,276 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-20 20:10:29,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:29,276 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:29,277 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:29,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:29,306 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:29,334 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:29,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:29,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:29,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:29,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:29,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,347 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:29,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,347 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:29,347 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:29,347 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:29,349 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:29,352 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:29,373 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 20:10:29,373 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:29,374 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:29,374 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:29,374 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:29,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,381 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 20:10:29,381 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,381 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:29,381 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:29,381 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:29,382 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:29,384 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:29,405 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-20 20:10:29,406 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:29,406 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:29,407 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:29,407 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:29,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,439 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-20 20:10:29,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:29,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:29,440 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:29,440 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:29,450 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:33,457 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:33,496 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:33,496 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:33,497 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:33,497 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:33,497 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:33,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,502 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:33,502 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,502 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:33,502 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:33,503 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:33,503 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:33,505 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:33,523 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-20 20:10:33,524 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:33,524 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:33,524 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:33,524 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:33,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,584 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-20 20:10:33,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:33,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:33,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:33,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:33,597 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:33,622 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 20:10:33,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:33,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:33,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:33,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:33,624 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,652 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 20:10:33,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:33,652 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:33,652 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:33,652 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:33,655 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:33,680 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:33,683 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:33,683 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:33,683 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:33,683 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:33,683 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,684 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:33,684 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,684 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:33,684 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:33,684 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:33,684 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:33,685 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:33,709 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-20 20:10:33,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:33,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:33,713 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:33,713 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:33,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,768 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-20 20:10:33,771 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:33,771 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:33,771 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:33,771 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:33,782 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,792 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:37,817 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:10:37,818 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,818 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,818 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,818 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,826 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:10:37,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,826 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,827 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,833 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:37,846 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-20 20:10:37,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,890 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-20 20:10:37,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,890 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,890 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,891 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,892 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:37,902 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:37,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,903 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:37,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,903 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,903 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,903 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,903 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,904 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:37,914 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:37,915 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,915 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,916 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:37,916 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,916 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,916 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,916 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,917 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:37,917 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:37,929 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-20 20:10:37,929 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:37,930 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:37,930 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:37,930 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:37,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,974 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-20 20:10:37,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:37,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:37,975 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:37,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:37,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,062 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:42,073 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:42,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,074 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,074 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:42,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,075 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,075 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,075 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,076 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:42,086 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:42,086 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,086 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,086 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,086 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,087 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:42,087 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,088 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,088 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,088 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,089 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:42,098 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:42,098 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,098 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,099 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,102 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:42,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,102 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,102 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,102 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,105 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:42,114 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:42,114 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,115 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,115 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,115 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,117 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:42,117 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,117 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,117 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,117 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,117 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,118 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:42,121 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:42,121 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e8fa8e3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:42, skipping insertion in model container [2024-09-20 20:10:42,121 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:42,123 INFO L158 Benchmark]: Toolchain (without parser) took 13957.79ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 76.4MB in the beginning and 151.3MB in the end (delta: -74.9MB). Peak memory consumption was 95.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,123 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:42,123 INFO L158 Benchmark]: Witness Parser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:42,124 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.90ms. Allocated memory is still 151.0MB. Free memory was 76.2MB in the beginning and 121.6MB in the end (delta: -45.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,124 INFO L158 Benchmark]: Boogie Preprocessor took 71.31ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 121.6MB in the beginning and 206.4MB in the end (delta: -84.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,124 INFO L158 Benchmark]: RCFGBuilder took 483.65ms. Allocated memory is still 234.9MB. Free memory was 206.4MB in the beginning and 183.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,125 INFO L158 Benchmark]: Referee took 13097.10ms. Allocated memory is still 234.9MB. Free memory was 183.4MB in the beginning and 151.3MB in the end (delta: 32.1MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:42,126 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 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 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 57. 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 43. 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 __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 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 loop head at line 38. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. 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 42. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from 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: * CDTParser took 0.14ms. Allocated memory is still 151.0MB. Free memory is still 102.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.26ms. Allocated memory is still 151.0MB. Free memory is still 78.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.90ms. Allocated memory is still 151.0MB. Free memory was 76.2MB in the beginning and 121.6MB in the end (delta: -45.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.31ms. Allocated memory was 151.0MB in the beginning and 234.9MB in the end (delta: 83.9MB). Free memory was 121.6MB in the beginning and 206.4MB in the end (delta: -84.8MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * RCFGBuilder took 483.65ms. Allocated memory is still 234.9MB. Free memory was 206.4MB in the beginning and 183.4MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 13097.10ms. Allocated memory is still 234.9MB. Free memory was 183.4MB in the beginning and 151.3MB in the end (delta: 32.1MB). Peak memory consumption was 117.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:42,154 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:44,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:44,140 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:10:44,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:44,144 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:44,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:44,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:44,168 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:44,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:44,170 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:44,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:44,170 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:44,171 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:44,171 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:44,173 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:44,174 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:44,174 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:44,174 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:44,174 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:44,174 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:44,174 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:44,175 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:44,175 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:44,175 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:10:44,175 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:10:44,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:44,176 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:10:44,176 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:44,176 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:44,176 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:44,176 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:44,176 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:44,176 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:44,177 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:44,177 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:44,177 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:44,177 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:44,177 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:44,177 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:44,177 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:10:44,178 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:10:44,181 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:44,181 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:44,181 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:44,181 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:44,181 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:10:44,181 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:44,483 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:44,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:44,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:44,516 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:44,520 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:44,521 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-20 20:10:44,584 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:44,591 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:44,592 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-20 20:10:46,004 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:46,168 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:46,168 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-20 20:10:46,176 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/447590604/796b1301f22b48cc9578cb71be34f8d6/FLAG7834761d3 [2024-09-20 20:10:46,573 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/447590604/796b1301f22b48cc9578cb71be34f8d6 [2024-09-20 20:10:46,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:46,575 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:46,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:46,577 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:46,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:46,581 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:44" (1/2) ... [2024-09-20 20:10:46,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8aba4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:46, skipping insertion in model container [2024-09-20 20:10:46,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:44" (1/2) ... [2024-09-20 20:10:46,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1fd9a7fd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:46, skipping insertion in model container [2024-09-20 20:10:46,587 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:46" (2/2) ... [2024-09-20 20:10:46,587 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c8aba4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46, skipping insertion in model container [2024-09-20 20:10:46,587 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:46" (2/2) ... [2024-09-20 20:10:46,593 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:46,594 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-20 20:10:46,594 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && (((((p == 0) && (n == r)) && (1 <= counter)) && (h == 0)) || ((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)))) [2024-09-20 20:10:46,594 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:10:46,594 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:46,594 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:10:46,608 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:46,746 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2024-09-20 20:10:46,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:46,799 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:46,834 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:10:46,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:46,859 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:46,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46 WrapperNode [2024-09-20 20:10:46,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:46,860 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:46,860 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:46,860 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:46,870 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,870 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,876 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,893 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 [2024-09-20 20:10:46,893 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,893 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,899 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,904 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:46,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:46,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:46,907 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:46,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (1/1) ... [2024-09-20 20:10:46,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:46,919 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:46,932 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) [2024-09-20 20:10:46,935 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 [2024-09-20 20:10:46,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:46,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:46,974 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:46,975 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:10:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:46,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:10:46,977 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:10:46,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:47,041 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:47,043 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:47,064 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:47,110 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:48,952 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:49,026 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:49,071 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:49,071 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:49,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:49 BoogieIcfgContainer [2024-09-20 20:10:49,071 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:49,072 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:49,072 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:49,077 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:49,077 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:44" (1/4) ... [2024-09-20 20:10:49,077 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38a5cd33 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:49, skipping insertion in model container [2024-09-20 20:10:49,077 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:46" (2/4) ... [2024-09-20 20:10:49,077 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38a5cd33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:49, skipping insertion in model container [2024-09-20 20:10:49,077 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:46" (3/4) ... [2024-09-20 20:10:49,078 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38a5cd33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:49, skipping insertion in model container [2024-09-20 20:10:49,078 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:49" (4/4) ... [2024-09-20 20:10:49,078 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-20 20:10:49,087 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:49,088 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:49,088 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-20 20:10:49,088 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:49,088 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 20:10:49,088 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-20 20:10:49,089 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:49,089 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 20:10:49,089 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:10:49,089 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:10:49,089 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-20 20:10:49,089 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:10:49,090 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-20 20:10:49,090 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:49,090 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:49,090 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-20 20:10:49,090 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:49,091 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 20:10:49,091 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 20:10:49,091 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:10:49,091 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 5 loop-free subgraphs from procedure entry to error location, 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:10:49,206 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:49,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:49,210 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:49,211 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:49,211 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:49,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,229 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:49,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,234 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:49,234 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:49,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:49,237 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:49,264 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:49,339 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-20 20:10:49,342 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:49,342 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:49,342 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:49,342 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:49,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,473 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-20 20:10:49,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:49,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:49,473 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:49,494 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:49,501 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:49,550 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:49,554 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:49,554 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:49,554 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:49,554 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:49,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,583 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:49,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,583 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:49,583 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:49,583 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:49,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:49,646 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 20:10:49,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:49,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:49,650 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:49,650 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:49,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,661 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 20:10:49,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:49,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:49,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:49,666 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:49,668 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:49,709 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-20 20:10:49,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:49,713 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:49,714 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:49,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:49,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,776 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-20 20:10:49,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:49,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:49,777 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:49,777 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:49,798 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:50,203 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:50,306 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:50,306 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:50,306 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:50,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:50,307 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:50,307 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,314 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:50,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,314 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:50,315 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:50,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:50,318 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:50,320 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:50,351 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-20 20:10:50,351 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:50,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:50,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:50,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:50,352 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,385 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-20 20:10:50,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,389 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:50,391 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:50,391 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:50,391 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:50,393 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:50,418 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 20:10:50,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:50,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:50,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:50,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:50,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,453 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 20:10:50,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,453 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:50,453 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:50,453 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:50,454 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:50,457 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:50,481 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:50,481 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:50,481 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:50,481 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:50,481 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:50,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,482 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:50,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:50,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:50,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:50,484 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:50,488 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:50,526 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-20 20:10:50,530 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:50,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:50,530 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:50,531 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:50,531 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,612 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-20 20:10:50,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,613 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:50,613 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:50,613 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:50,632 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,229 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:51,300 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:10:51,300 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,300 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,300 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,300 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,300 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,311 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:10:51,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,315 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,315 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,315 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,318 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:51,340 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-20 20:10:51,340 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,340 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,340 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,340 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,433 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-20 20:10:51,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,433 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,434 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,439 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:51,456 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:51,460 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,460 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,461 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,461 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,461 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:51,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,463 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,463 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,467 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:51,480 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:51,480 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,481 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,481 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,481 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,482 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:51,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,483 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,483 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,485 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:51,499 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-20 20:10:51,500 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,500 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,538 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-20 20:10:51,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,539 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,547 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,774 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:51,854 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:51,855 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,855 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,855 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,855 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,855 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,856 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:51,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,856 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,856 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,857 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,857 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,860 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:51,872 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:51,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,873 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,873 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,875 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:51,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,875 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,881 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:51,893 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:51,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,898 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:51,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,898 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,905 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:51,918 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:51,919 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:51,919 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:51,919 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:51,919 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:51,919 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,922 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:51,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:51,922 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:51,922 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:51,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:51,922 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:51,928 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:51,937 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 20:10:51,937 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@38a5cd33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:51, skipping insertion in model container [2024-09-20 20:10:51,937 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:51,939 INFO L158 Benchmark]: Toolchain (without parser) took 5363.61ms. Allocated memory was 73.4MB in the beginning and 144.7MB in the end (delta: 71.3MB). Free memory was 35.6MB in the beginning and 86.8MB in the end (delta: -51.1MB). Peak memory consumption was 61.6MB. Max. memory is 16.1GB. [2024-09-20 20:10:51,939 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:51,939 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:51,940 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.90ms. Allocated memory is still 73.4MB. Free memory was 35.4MB in the beginning and 41.5MB in the end (delta: -6.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. [2024-09-20 20:10:51,940 INFO L158 Benchmark]: Boogie Preprocessor took 46.13ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 39.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:51,941 INFO L158 Benchmark]: RCFGBuilder took 2164.57ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 39.0MB in the beginning and 80.5MB in the end (delta: -41.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 20:10:51,941 INFO L158 Benchmark]: Referee took 2865.54ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 80.5MB in the beginning and 86.8MB in the end (delta: -6.2MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. [2024-09-20 20:10:51,943 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 30 to loop head at line 38. One counterexample starts in \old(counter)=0, counter=2147483647, h=0, n=0, p=0, q=0, r=0 and ends in \old(counter)=0, counter=-2147483648, h=0, n=0, p=0, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. 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 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 41. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. 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 __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 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 40. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure 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 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.10ms. Allocated memory is still 73.4MB. Free memory is still 50.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 73.4MB. Free memory is still 48.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.90ms. Allocated memory is still 73.4MB. Free memory was 35.4MB in the beginning and 41.5MB in the end (delta: -6.2MB). Peak memory consumption was 9.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.13ms. Allocated memory is still 73.4MB. Free memory was 41.5MB in the beginning and 39.0MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2164.57ms. Allocated memory was 73.4MB in the beginning and 119.5MB in the end (delta: 46.1MB). Free memory was 39.0MB in the beginning and 80.5MB in the end (delta: -41.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 2865.54ms. Allocated memory was 119.5MB in the beginning and 144.7MB in the end (delta: 25.2MB). Free memory was 80.5MB in the beginning and 86.8MB in the end (delta: -6.2MB). Peak memory consumption was 58.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 20:10:52,027 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE