./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:26,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:26,838 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:26,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:26,844 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:26,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:26,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:26,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:26,873 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:26,874 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:26,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:26,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:26,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:26,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:26,876 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:26,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:26,877 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:26,877 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:26,877 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:26,878 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:26,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:26,879 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:26,879 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:26,880 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:26,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:26,882 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:26,882 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:26,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:26,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:26,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:26,882 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:26,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:26,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:26,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:26,883 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:26,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:26,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:26,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:26,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:26,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:26,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:26,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:26,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:26,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:27,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:27,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:27,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:27,100 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:27,100 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:27,101 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-20 20:10:28,505 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:28,681 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:28,681 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-20 20:10:28,689 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5cb1a3d9e/d57943da83004ccb942429c8746898f0/FLAGc32270c3e [2024-09-20 20:10:29,068 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5cb1a3d9e/d57943da83004ccb942429c8746898f0 [2024-09-20 20:10:29,072 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:29,073 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:29,073 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-20 20:10:29,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:29,114 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:29,115 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:29,115 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:29,119 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:29,120 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:29" (1/2) ... [2024-09-20 20:10:29,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f6548b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:29, skipping insertion in model container [2024-09-20 20:10:29,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:29" (1/2) ... [2024-09-20 20:10:29,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7f661977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:29, skipping insertion in model container [2024-09-20 20:10:29,122 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 08:10:29" (2/2) ... [2024-09-20 20:10:29,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36f6548b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:29, skipping insertion in model container [2024-09-20 20:10:29,122 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 08:10:29" (2/2) ... [2024-09-20 20:10:29,128 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:29,128 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && ((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) || (((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)) && (q == 1))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0)))) [2024-09-20 20:10:29,129 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (n <= 0)) && (counter == 1)) && (h == 0)) && (q == 1)) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-20 20:10:29,129 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:10:29,129 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:10:29,129 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:29,146 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:29,327 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] [2024-09-20 20:10:29,362 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:29,372 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:10:29,400 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:10:29,419 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:29,430 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:29,431 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:29 WrapperNode [2024-09-20 20:10:29,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:29,432 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:29,432 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:29,432 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:29,441 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,442 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,446 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,454 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 20:10:29,454 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,454 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,461 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,463 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,464 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,465 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,466 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:29,467 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:29,467 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:29,467 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:29,468 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 08:10:29" (1/1) ... [2024-09-20 20:10:29,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:29,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:29,499 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 20:10:29,506 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 20:10:29,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:29,542 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:29,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:29,543 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:29,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:29,592 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:29,593 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:29,608 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:29,625 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:29,935 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:29,955 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:29,972 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:29,972 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:10:29,972 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 20:10:29,972 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:29,973 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:29,973 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:29,974 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:29,974 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:29" (1/4) ... [2024-09-20 20:10:29,974 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1690c554 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 20:10:29,974 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 08:10:29" (2/4) ... [2024-09-20 20:10:29,975 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1690c554 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 20:10:29,975 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 08:10:29" (3/4) ... [2024-09-20 20:10:29,975 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1690c554 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 20:10:29,975 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 20:10:29,976 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-20 20:10:29,979 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:10:29,979 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 20:10:29,979 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 20:10:29,979 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 20:10:29,980 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 20:10:29,980 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 20:10:29,980 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 20:10:29,980 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 20:10:29,980 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 20:10:29,980 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:10:29,981 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 20:10:29,981 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 20:10:29,981 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 20:10:29,981 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 20:10:29,981 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 20:10:29,981 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 20:10:29,981 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 20:10:29,981 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 20:10:29,981 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 20:10:29,982 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 20:10:29,982 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 10 loop-free subgraphs from loop head to error location [2024-09-20 20:10:30,033 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:10:30,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:30,035 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:30,035 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:30,036 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:30,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,045 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:10:30,046 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,046 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:30,046 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:30,047 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:30,049 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:30,062 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 20:10:30,140 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-20 20:10:30,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:30,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:30,141 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:30,141 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:30,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,306 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-20 20:10:30,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,306 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:30,306 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:30,310 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:30,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:30,345 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:30,388 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:30,388 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:30,388 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:30,388 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:30,388 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:30,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,405 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:30,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,405 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:30,405 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:30,405 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:30,412 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:30,416 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:30,448 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 20:10:30,448 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:30,448 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:30,448 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:30,448 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:30,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,464 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 20:10:30,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,467 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:30,467 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:30,467 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:30,467 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:34,472 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:34,512 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-20 20:10:34,512 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:34,513 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:34,513 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:34,513 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:34,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:34,552 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-20 20:10:34,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:34,552 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:34,553 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:34,553 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:34,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:38,604 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:38,622 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:38,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:38,622 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:38,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:38,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:38,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:38,628 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:38,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:38,628 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:38,628 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:38,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:38,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,635 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:42,652 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-20 20:10:42,653 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,653 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,653 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,672 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-20 20:10:42,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,673 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,673 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,673 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,673 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:42,679 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:42,693 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 20:10:42,693 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:42,693 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:42,694 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:42,694 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:42,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,708 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 20:10:42,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:42,708 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:42,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:42,708 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:42,708 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,712 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:46,729 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:10:46,729 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,729 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,730 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,730 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,731 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:10:46,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,731 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,732 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,732 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,732 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:46,734 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:46,749 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-20 20:10:46,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:46,750 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:46,750 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:46,750 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:46,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,779 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-20 20:10:46,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:46,779 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:46,779 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:46,780 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:46,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:50,789 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:50,811 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:10:50,812 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:50,812 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:50,812 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:50,812 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:50,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,821 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:10:50,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:50,821 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:50,821 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:50,822 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:50,822 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:54,828 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:54,842 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-20 20:10:54,843 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:54,843 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:54,843 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:54,843 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:54,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:54,898 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-20 20:10:54,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:54,900 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:54,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:54,901 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:54,901 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:54,902 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:54,912 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:54,912 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:54,913 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:54,913 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:54,913 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:54,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:54,915 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:54,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:54,915 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:54,915 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:54,915 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:54,915 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:54,916 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:54,926 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:54,927 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:54,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:54,927 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:54,927 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:54,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:54,929 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:54,929 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:54,930 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:54,930 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:54,930 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:54,930 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:54,932 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:54,946 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-20 20:10:54,946 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:54,946 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:54,946 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:54,946 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:54,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:54,975 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-20 20:10:54,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:54,975 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:54,975 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:54,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:54,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:58,985 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:58,996 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:58,996 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:58,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:58,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:58,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:58,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:58,997 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:58,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:58,998 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:58,998 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:58,998 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:58,998 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:58,999 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:59,009 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:59,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:59,009 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:59,011 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:59,011 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:59,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:59,013 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:59,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:59,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:59,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:59,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:59,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:59,017 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:59,026 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:10:59,026 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:59,026 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:59,026 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:59,026 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:59,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:59,032 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:10:59,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:59,032 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:59,032 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:59,032 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:59,032 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:59,035 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:59,045 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:10:59,045 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:59,045 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:59,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:59,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:59,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:59,048 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:10:59,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:59,048 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:59,048 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:59,048 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:59,048 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:59,051 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:59,054 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:59,055 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1690c554 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:59, skipping insertion in model container [2024-09-20 20:10:59,055 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:59,056 INFO L158 Benchmark]: Toolchain (without parser) took 29941.71ms. Allocated memory was 176.2MB in the beginning and 224.4MB in the end (delta: 48.2MB). Free memory was 100.2MB in the beginning and 113.0MB in the end (delta: -12.8MB). Peak memory consumption was 90.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:59,057 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 127.6MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:59,057 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:59,060 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.18ms. Allocated memory was 176.2MB in the beginning and 224.4MB in the end (delta: 48.2MB). Free memory was 100.0MB in the beginning and 191.2MB in the end (delta: -91.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-09-20 20:10:59,060 INFO L158 Benchmark]: Boogie Preprocessor took 34.74ms. Allocated memory is still 224.4MB. Free memory was 191.2MB in the beginning and 188.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 20:10:59,061 INFO L158 Benchmark]: RCFGBuilder took 505.61ms. Allocated memory is still 224.4MB. Free memory was 188.8MB in the beginning and 164.9MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:59,061 INFO L158 Benchmark]: Referee took 29081.97ms. Allocated memory is still 224.4MB. Free memory was 164.9MB in the beginning and 113.0MB in the end (delta: 52.0MB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. [2024-09-20 20:10:59,063 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 30 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 entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 127.6MB in the end (delta: 243.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 176.2MB. Free memory is still 102.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.18ms. Allocated memory was 176.2MB in the beginning and 224.4MB in the end (delta: 48.2MB). Free memory was 100.0MB in the beginning and 191.2MB in the end (delta: -91.2MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.74ms. Allocated memory is still 224.4MB. Free memory was 191.2MB in the beginning and 188.8MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 505.61ms. Allocated memory is still 224.4MB. Free memory was 188.8MB in the beginning and 164.9MB in the end (delta: 23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 29081.97ms. Allocated memory is still 224.4MB. Free memory was 164.9MB in the beginning and 113.0MB in the end (delta: 52.0MB). Peak memory consumption was 104.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:59,101 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:01,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:01,203 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:01,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:01,207 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:01,234 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:01,236 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:01,236 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:01,237 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:01,238 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:01,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:01,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:01,238 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:01,239 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:01,239 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:01,242 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:01,242 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:01,242 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:01,243 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:01,243 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:01,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:01,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:01,243 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:01,244 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:01,244 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:01,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:01,244 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:01,244 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:01,244 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:01,245 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:01,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:01,245 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:01,245 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:01,245 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:01,245 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:01,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:01,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:01,259 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:01,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:01,259 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:01,260 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:01,260 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:01,260 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:01,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:01,261 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:01,261 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:01,261 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:01,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:01,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:01,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:01,515 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:01,516 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:01,517 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-20 20:11:01,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:01,559 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:01,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-20 20:11:02,940 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:03,134 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:03,134 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-20 20:11:03,141 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1068bfbc0/b0acd81271ac430a9727531aeee45275/FLAG8779fec63 [2024-09-20 20:11:03,167 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1068bfbc0/b0acd81271ac430a9727531aeee45275 [2024-09-20 20:11:03,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:03,169 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:03,169 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:03,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:03,177 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:03,178 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 08:11:01" (1/2) ... [2024-09-20 20:11:03,179 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8bd7e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:03, skipping insertion in model container [2024-09-20 20:11:03,179 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 08:11:01" (1/2) ... [2024-09-20 20:11:03,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@26cfd00b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:03, skipping insertion in model container [2024-09-20 20:11:03,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:03" (2/2) ... [2024-09-20 20:11:03,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b8bd7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03, skipping insertion in model container [2024-09-20 20:11:03,184 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:03" (2/2) ... [2024-09-20 20:11:03,194 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:03,194 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && ((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) || (((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)) && (q == 1))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0)))) [2024-09-20 20:11:03,194 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (n <= 0)) && (counter == 1)) && (h == 0)) && (q == 1)) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-20 20:11:03,195 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:11:03,195 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:03,195 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:11:03,211 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:03,347 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] [2024-09-20 20:11:03,384 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:03,402 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:03,436 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 20:11:03,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:03,477 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:03,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03 WrapperNode [2024-09-20 20:11:03,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:03,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:03,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:03,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:03,492 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,502 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,510 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 20:11:03,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,520 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,522 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,523 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,524 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,526 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:03,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:03,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:03,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:03,527 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (1/1) ... [2024-09-20 20:11:03,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:03,541 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:03,559 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 20:11:03,562 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 20:11:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:03,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:03,661 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:03,664 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:03,681 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:03,706 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:05,612 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:05,686 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:05,720 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:05,722 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 20:11:05,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:05 BoogieIcfgContainer [2024-09-20 20:11:05,722 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:05,722 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:05,722 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:05,723 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:05,723 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 08:11:01" (1/4) ... [2024-09-20 20:11:05,723 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c3068be and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:05, skipping insertion in model container [2024-09-20 20:11:05,724 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:03" (2/4) ... [2024-09-20 20:11:05,724 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c3068be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:05, skipping insertion in model container [2024-09-20 20:11:05,724 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:03" (3/4) ... [2024-09-20 20:11:05,724 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c3068be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:05, skipping insertion in model container [2024-09-20 20:11:05,724 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:05" (4/4) ... [2024-09-20 20:11:05,725 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-20 20:11:05,729 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 20:11:05,730 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 20:11:05,730 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 20:11:05,730 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 20:11:05,731 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 20:11:05,731 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 20:11:05,731 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 20:11:05,731 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 20:11:05,732 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 20:11:05,732 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:11:05,732 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 20:11:05,732 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 20:11:05,732 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 20:11:05,733 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 20:11:05,733 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 20:11:05,733 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 20:11:05,733 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 20:11:05,733 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 20:11:05,733 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 20:11:05,733 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 20:11:05,734 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 5 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 20:11:05,792 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:05,793 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:05,793 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:05,794 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:05,794 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:05,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:05,808 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:05,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:05,809 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:05,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:05,811 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:05,813 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:05,826 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 20:11:05,863 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-20 20:11:05,863 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:05,863 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:05,863 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:05,863 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:05,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:05,921 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-20 20:11:05,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:05,922 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:05,922 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:05,922 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:05,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:06,086 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:06,156 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:11:06,156 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:06,156 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:06,157 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:06,157 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:06,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:06,167 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:11:06,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:06,168 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:06,168 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:06,168 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:06,171 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:06,212 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 20:11:06,212 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:06,212 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:06,212 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:06,212 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:06,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:06,221 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 20:11:06,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:06,222 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:06,222 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:06,222 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:06,222 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:06,304 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:06,343 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-20 20:11:06,344 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:06,344 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:06,344 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:06,345 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:06,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:06,382 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-20 20:11:06,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:06,383 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:06,383 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:06,383 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:06,389 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:06,906 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:06,962 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:06,962 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:06,963 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:06,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:06,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:06,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:06,967 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:06,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:06,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:06,968 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:06,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:06,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:07,002 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:07,019 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-20 20:11:07,019 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:07,019 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:07,020 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:07,020 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:07,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:07,036 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-20 20:11:07,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:07,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:07,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:07,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:07,037 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:07,214 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:07,279 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 20:11:07,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:07,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:07,280 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:07,280 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:07,280 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:07,298 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 20:11:07,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:07,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:07,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:07,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:07,299 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:07,440 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:07,493 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:11:07,493 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:07,493 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:07,493 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:07,493 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:07,493 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:07,494 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:11:07,494 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:07,494 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:07,494 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:07,494 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:07,495 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:07,496 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:07,509 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-20 20:11:07,509 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:07,509 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:07,509 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:07,509 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:07,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:07,533 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-20 20:11:07,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:07,533 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:07,533 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:07,533 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:07,539 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:08,478 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:08,545 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:08,545 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:08,546 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:08,546 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:08,546 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:08,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,554 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:08,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:08,554 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:08,554 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:08,554 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:08,717 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:08,768 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-20 20:11:08,768 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:08,768 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:08,768 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:08,769 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:08,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,809 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-20 20:11:08,809 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,809 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:08,809 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:08,809 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:08,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:08,811 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:08,820 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:08,821 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:08,821 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:08,821 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:08,821 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:08,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,822 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:08,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,822 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:08,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:08,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:08,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:08,836 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:08,846 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:08,846 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:08,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:08,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:08,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:08,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,847 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:08,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:08,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:08,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:08,848 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:08,849 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:08,860 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-20 20:11:08,860 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:08,860 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:08,860 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:08,860 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:08,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,887 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-20 20:11:08,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:08,887 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:08,887 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:08,887 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:08,893 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:10,137 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:10,192 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:10,193 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:10,193 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:10,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:10,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:10,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:10,194 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:10,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:10,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:10,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:10,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:10,194 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:10,195 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:10,206 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:10,206 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:10,206 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:10,207 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:10,207 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:10,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:10,208 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:10,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:10,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:10,209 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:10,209 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:10,209 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:10,211 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:10,236 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:10,236 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:10,237 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:10,237 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:10,237 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:10,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:10,241 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:10,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:10,241 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:10,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:10,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:10,241 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:10,247 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:10,258 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:10,259 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:10,259 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:10,259 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:10,259 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:10,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:10,262 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:10,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:10,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:10,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:10,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:10,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:10,269 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:10,276 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 20:11:10,276 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1c3068be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:10, skipping insertion in model container [2024-09-20 20:11:10,276 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:10,278 INFO L158 Benchmark]: Toolchain (without parser) took 7108.61ms. Allocated memory was 73.4MB in the beginning and 130.0MB in the end (delta: 56.6MB). Free memory was 38.4MB in the beginning and 86.3MB in the end (delta: -47.9MB). Peak memory consumption was 57.0MB. Max. memory is 16.1GB. [2024-09-20 20:11:10,278 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 73.4MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:10,278 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 73.4MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:10,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.17ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 45.8MB in the end (delta: -7.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-09-20 20:11:10,279 INFO L158 Benchmark]: Boogie Preprocessor took 47.73ms. Allocated memory is still 73.4MB. Free memory was 45.8MB in the beginning and 43.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:10,279 INFO L158 Benchmark]: RCFGBuilder took 2195.38ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 43.4MB in the beginning and 73.8MB in the end (delta: -30.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-20 20:11:10,280 INFO L158 Benchmark]: Referee took 4554.12ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 73.8MB in the beginning and 86.3MB in the end (delta: -12.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. [2024-09-20 20:11:10,281 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=2, p=0, q=3, r=2 and ends in \old(counter)=0, counter=-2147483648, h=0, n=2, p=0, q=3, r=2. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. 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 loop head at line 38. 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 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.20ms. Allocated memory is still 73.4MB. Free memory is still 48.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 73.4MB. Free memory is still 46.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 308.17ms. Allocated memory is still 73.4MB. Free memory was 38.2MB in the beginning and 45.8MB in the end (delta: -7.6MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.73ms. Allocated memory is still 73.4MB. Free memory was 45.8MB in the beginning and 43.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2195.38ms. Allocated memory was 73.4MB in the beginning and 107.0MB in the end (delta: 33.6MB). Free memory was 43.4MB in the beginning and 73.8MB in the end (delta: -30.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4554.12ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 73.8MB in the beginning and 86.3MB in the end (delta: -12.5MB). Peak memory consumption was 57.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 20:11:10,348 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