./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 27b49876 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-27b4987-m [2024-09-21 12:48:53,883 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:48:53,960 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:48:53,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:48:53,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:48:54,002 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:48:54,003 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:48:54,005 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:48:54,006 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:48:54,007 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:48:54,007 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:48:54,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:48:54,008 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:48:54,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:48:54,009 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:48:54,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:48:54,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:48:54,013 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:48:54,013 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:48:54,014 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:48:54,014 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:48:54,014 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:48:54,015 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:48:54,015 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:48:54,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:48:54,015 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:48:54,015 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:48:54,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:48:54,016 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:48:54,016 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:48:54,016 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:48:54,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:48:54,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:48:54,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:54,017 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:48:54,017 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:48:54,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:48:54,018 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:48:54,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:48:54,021 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:48:54,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:48:54,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:48:54,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:48:54,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:48:54,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:48:54,324 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:48:54,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:48:54,328 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:48:54,329 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:48:54,331 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-21 12:48:55,760 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:48:55,969 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:48:55,970 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-21 12:48:55,981 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6661931b1/2b6f86781a704e6fa2b7edd3b9b54bd2/FLAGea8c571be [2024-09-21 12:48:56,000 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6661931b1/2b6f86781a704e6fa2b7edd3b9b54bd2 [2024-09-21 12:48:56,003 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:48:56,003 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:48:56,005 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-21 12:48:56,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:48:56,066 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:48:56,068 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:56,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:48:56,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:48:56,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:56" (1/2) ... [2024-09-21 12:48:56,076 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cd861a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:56, skipping insertion in model container [2024-09-21 12:48:56,077 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:48:56" (1/2) ... [2024-09-21 12:48:56,079 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@36ef8cde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:48:56, skipping insertion in model container [2024-09-21 12:48:56,079 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:56" (2/2) ... [2024-09-21 12:48:56,080 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12cd861a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:56, skipping insertion in model container [2024-09-21 12:48:56,080 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:56" (2/2) ... [2024-09-21 12:48:56,093 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:48:56,093 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)) [2024-09-21 12:48:56,094 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)))) [2024-09-21 12:48:56,094 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:48:56,094 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:48:56,094 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:48:56,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:48:56,287 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] [2024-09-21 12:48:56,325 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:56,340 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:48:56,380 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 [2024-09-21 12:48:56,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:48:56,438 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:48:56,439 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:48:56 WrapperNode [2024-09-21 12:48:56,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:48:56,440 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:48:56,440 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:48:56,440 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:48:56,474 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,474 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,483 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,500 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 [2024-09-21 12:48:56,500 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,500 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,508 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,516 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,521 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,522 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,528 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:48:56,528 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:48:56,529 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:48:56,529 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:48:56,529 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 21.09 12:48:56" (1/1) ... [2024-09-21 12:48:56,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:48:56,558 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:48:56,574 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) [2024-09-21 12:48:56,576 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 [2024-09-21 12:48:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:48:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:48:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:48:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:48:56,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:48:56,627 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:48:56,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:48:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:48:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:48:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:48:56,628 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:48:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:48:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:48:56,631 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:48:56,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:48:56,693 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:48:56,695 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:48:56,715 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:56,742 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:57,044 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:48:57,069 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:48:57,100 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:48:57,101 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:48:57,101 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:57 BoogieIcfgContainer [2024-09-21 12:48:57,101 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:48:57,102 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:48:57,102 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:48:57,103 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:48:57,103 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:48:56" (1/4) ... [2024-09-21 12:48:57,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f649106 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:48:57, skipping insertion in model container [2024-09-21 12:48:57,104 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:48:56" (2/4) ... [2024-09-21 12:48:57,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f649106 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:57, skipping insertion in model container [2024-09-21 12:48:57,104 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 21.09 12:48:56" (3/4) ... [2024-09-21 12:48:57,104 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f649106 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:48:57, skipping insertion in model container [2024-09-21 12:48:57,105 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:48:57" (4/4) ... [2024-09-21 12:48:57,106 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-21 12:48:57,111 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:48:57,112 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. [2024-09-21 12:48:57,112 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-21 12:48:57,112 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:48:57,112 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 12:48:57,112 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-21 12:48:57,113 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:57,113 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 12:48:57,113 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:48:57,113 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:48:57,113 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-21 12:48:57,114 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:48:57,114 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-21 12:48:57,114 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:57,114 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:48:57,114 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-21 12:48:57,114 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:48:57,115 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:48:57,115 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:48:57,115 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:48:57,115 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location [2024-09-21 12:48:57,196 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:48:57,197 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:57,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:57,198 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:57,200 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:57,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,217 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:48:57,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:57,218 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:57,219 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:57,223 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:57,238 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:48:57,284 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-21 12:48:57,284 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:57,284 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:57,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:57,284 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:57,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,391 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-21 12:48:57,391 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:57,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:57,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:57,409 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:57,415 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:57,449 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:48:57,449 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:57,449 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:57,450 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:57,450 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:57,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,462 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:48:57,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:57,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:57,463 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:57,467 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:48:57,472 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:48:57,497 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:48:57,498 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:48:57,498 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:48:57,498 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:48:57,498 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:48:57,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,511 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:48:57,511 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:48:57,511 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:48:57,512 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:48:57,512 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:48:57,513 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:01,517 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:01,562 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-21 12:49:01,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:01,566 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:01,566 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:01,567 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:01,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:01,660 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-21 12:49:01,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:01,664 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:01,664 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:01,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:01,674 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:05,683 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:05,711 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:05,711 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:05,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:05,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:05,712 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:05,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:05,722 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:05,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:05,726 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:05,726 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:05,727 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:05,727 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,735 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:09,760 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 12:49:09,760 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,761 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,761 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,761 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,790 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 12:49:09,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,791 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:09,796 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:09,818 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 12:49:09,819 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:09,819 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:09,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:09,819 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:09,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,841 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 12:49:09,841 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:09,842 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:09,842 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:09,842 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:09,842 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:13,846 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:13,873 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:13,874 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:13,874 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:13,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:13,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:13,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:13,875 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:13,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:13,875 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:13,876 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:13,876 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:13,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:13,878 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:13,898 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-21 12:49:13,898 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:13,898 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:13,898 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:13,898 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:13,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:13,942 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-21 12:49:13,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:13,942 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:13,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:13,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:13,953 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:17,960 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:18,002 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:49:18,002 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:18,003 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:18,003 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:18,003 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:18,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:18,018 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:49:18,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:18,018 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:18,019 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:18,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:18,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:22,028 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:22,059 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-21 12:49:22,060 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:22,060 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:22,060 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:22,060 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:22,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,124 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-21 12:49:22,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,125 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:22,125 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:22,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:22,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:22,128 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:22,142 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:22,142 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:22,142 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:22,142 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:22,143 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:22,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,143 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:22,143 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,143 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:22,143 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:22,143 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:22,144 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:22,146 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:22,159 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:22,159 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:22,160 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:22,160 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:22,160 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:22,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,161 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:22,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:22,162 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:22,162 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:22,162 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:22,165 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:22,184 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-21 12:49:22,184 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:22,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:22,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:22,185 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:22,185 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,227 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-21 12:49:22,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,228 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:22,228 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:22,228 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:22,236 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:26,249 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:26,277 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:26,277 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:26,277 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:26,277 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:26,278 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:26,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,278 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:26,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,279 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:26,279 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:26,279 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:26,280 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:26,281 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:26,310 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:26,310 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:26,310 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:26,310 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:26,310 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:26,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,312 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:26,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:26,313 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:26,313 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:26,313 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:26,316 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:26,330 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:26,330 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:26,330 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:26,331 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:26,331 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:26,331 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,335 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:26,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,336 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:26,336 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:26,336 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:26,336 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:26,340 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:26,352 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:26,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:26,353 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:26,353 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:26,353 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:26,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,356 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:26,357 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:26,357 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:26,357 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:26,357 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:26,357 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:26,361 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:26,365 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:49:26,365 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5f649106 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:26, skipping insertion in model container [2024-09-21 12:49:26,365 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:26,367 INFO L158 Benchmark]: Toolchain (without parser) took 30300.57ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 77.2MB in the beginning and 128.7MB in the end (delta: -51.5MB). Peak memory consumption was 79.3MB. Max. memory is 16.1GB. [2024-09-21 12:49:26,368 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:26,369 INFO L158 Benchmark]: Witness Parser took 0.96ms. Allocated memory is still 134.2MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:26,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 371.43ms. Allocated memory is still 134.2MB. Free memory was 76.9MB in the beginning and 61.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:26,370 INFO L158 Benchmark]: Boogie Preprocessor took 87.85ms. Allocated memory is still 134.2MB. Free memory was 61.7MB in the beginning and 104.7MB in the end (delta: -43.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-21 12:49:26,371 INFO L158 Benchmark]: RCFGBuilder took 572.90ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 104.7MB in the beginning and 129.2MB in the end (delta: -24.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-09-21 12:49:26,372 INFO L158 Benchmark]: Referee took 29263.53ms. Allocated memory is still 178.3MB. Free memory was 129.2MB in the beginning and 128.7MB in the end (delta: 456.4kB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2024-09-21 12:49:26,375 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 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 loop head at line 30 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 38. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from 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 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 loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. 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: * CDTParser took 0.34ms. Allocated memory is still 134.2MB. Free memory is still 94.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.96ms. Allocated memory is still 134.2MB. Free memory is still 79.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 371.43ms. Allocated memory is still 134.2MB. Free memory was 76.9MB in the beginning and 61.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.85ms. Allocated memory is still 134.2MB. Free memory was 61.7MB in the beginning and 104.7MB in the end (delta: -43.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * RCFGBuilder took 572.90ms. Allocated memory was 134.2MB in the beginning and 178.3MB in the end (delta: 44.0MB). Free memory was 104.7MB in the beginning and 129.2MB in the end (delta: -24.5MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * Referee took 29263.53ms. Allocated memory is still 178.3MB. Free memory was 129.2MB in the beginning and 128.7MB in the end (delta: 456.4kB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:49:26,422 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-27b4987-m [2024-09-21 12:49:28,469 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:28,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:49:28,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:28,554 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:28,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:28,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:28,587 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:28,588 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:28,588 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:28,589 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:28,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:28,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:28,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:28,593 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:28,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:28,593 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:28,593 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:28,594 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:28,594 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:28,594 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:28,598 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:28,598 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:28,598 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:49:28,599 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:49:28,599 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:28,599 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:49:28,599 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:28,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:28,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:28,600 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:28,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:28,601 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:28,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:28,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:28,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:28,604 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:28,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:28,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:28,605 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:49:28,605 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:49:28,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:28,606 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:28,606 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:28,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:28,606 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:49:28,606 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:28,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:28,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:28,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:28,964 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:28,964 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:28,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-21 12:49:30,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:30,640 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:30,640 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-21 12:49:30,648 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/54b8a6e40/11f57626b70945ec9fdfbc996c21b8a8/FLAGafe29bc66 [2024-09-21 12:49:30,659 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/54b8a6e40/11f57626b70945ec9fdfbc996c21b8a8 [2024-09-21 12:49:30,662 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:30,663 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:30,664 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-21 12:49:30,721 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:30,722 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:30,725 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:30,725 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:30,730 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:30,731 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:30" (1/2) ... [2024-09-21 12:49:30,734 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d85f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:30, skipping insertion in model container [2024-09-21 12:49:30,734 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:30" (1/2) ... [2024-09-21 12:49:30,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@76afdb3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:30, skipping insertion in model container [2024-09-21 12:49:30,736 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:30" (2/2) ... [2024-09-21 12:49:30,736 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62d85f06 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:30, skipping insertion in model container [2024-09-21 12:49:30,736 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:30" (2/2) ... [2024-09-21 12:49:30,754 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:30,755 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)) [2024-09-21 12:49:30,755 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)))) [2024-09-21 12:49:30,755 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-21 12:49:30,755 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:30,755 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-21 12:49:30,776 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:30,946 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] [2024-09-21 12:49:30,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:31,005 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:49:31,045 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 [2024-09-21 12:49:31,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:31,094 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:31,095 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:31 WrapperNode [2024-09-21 12:49:31,096 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:31,096 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:31,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:31,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:31,110 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,110 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,118 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,139 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 [2024-09-21 12:49:31,140 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,140 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,151 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,157 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,163 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,164 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,167 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:31,171 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:31,171 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:31,171 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:31,171 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 21.09 12:49:31" (1/1) ... [2024-09-21 12:49:31,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:31,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:31,201 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) [2024-09-21 12:49:31,203 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 [2024-09-21 12:49:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:31,247 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:49:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:49:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:49:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:49:31,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:31,326 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:31,330 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:31,354 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:31,388 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:33,532 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:33,596 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:33,634 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:33,636 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 12:49:33,637 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:33 BoogieIcfgContainer [2024-09-21 12:49:33,637 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:33,637 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:33,638 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:33,638 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:33,639 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:30" (1/4) ... [2024-09-21 12:49:33,640 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@83962bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:33, skipping insertion in model container [2024-09-21 12:49:33,640 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:30" (2/4) ... [2024-09-21 12:49:33,641 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@83962bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:33, skipping insertion in model container [2024-09-21 12:49:33,642 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 21.09 12:49:31" (3/4) ... [2024-09-21 12:49:33,642 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@83962bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:33, skipping insertion in model container [2024-09-21 12:49:33,642 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:33" (4/4) ... [2024-09-21 12:49:33,643 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-21 12:49:33,648 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 12:49:33,649 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. [2024-09-21 12:49:33,649 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-21 12:49:33,649 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:33,649 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-21 12:49:33,650 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-21 12:49:33,650 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:33,650 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 12:49:33,651 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 12:49:33,651 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 12:49:33,651 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-21 12:49:33,651 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:49:33,651 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-21 12:49:33,652 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:33,652 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:33,652 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-21 12:49:33,652 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:33,652 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:49:33,652 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-21 12:49:33,653 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:49:33,653 INFO L131 InvariantChecker]: Will check 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-21 12:49:33,733 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:49:33,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:33,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:33,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:33,739 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:33,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:33,755 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:49:33,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:33,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:33,758 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:33,759 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:33,761 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:33,776 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:33,808 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-21 12:49:33,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:33,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:33,809 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:33,809 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:33,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:33,919 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-21 12:49:33,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:33,920 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:33,920 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:33,921 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:33,934 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:34,099 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:34,181 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:34,181 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:34,181 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:34,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:34,182 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:34,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,194 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:34,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:34,195 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:34,195 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:34,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:34,238 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-21 12:49:34,238 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:34,238 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:34,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:34,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:34,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,249 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-21 12:49:34,250 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,250 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:34,250 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:34,251 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:34,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:34,356 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:34,397 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-21 12:49:34,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:34,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:34,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:34,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:34,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,433 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-21 12:49:34,434 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:34,434 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:34,434 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:34,434 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:34,442 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:35,031 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:35,093 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:35,093 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:35,093 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:35,094 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:35,094 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:35,094 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,104 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:35,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,107 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:35,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:35,107 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:35,108 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:35,149 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:35,179 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-21 12:49:35,179 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:35,179 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:35,179 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:35,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:35,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,205 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-21 12:49:35,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,208 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:35,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:35,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:35,209 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:35,388 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:35,444 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 12:49:35,445 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:35,445 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:35,445 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:35,445 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:35,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,462 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 12:49:35,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:35,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:35,463 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:35,463 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:35,656 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:35,718 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:49:35,719 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:35,719 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:35,719 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:35,719 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:35,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,720 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:49:35,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,721 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:35,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:35,721 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:35,721 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:35,723 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:35,743 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-21 12:49:35,743 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:35,744 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:35,744 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:35,744 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:35,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,781 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-21 12:49:35,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:35,782 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:35,782 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:35,782 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:35,789 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:39,949 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:40,027 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 12:49:40,027 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:40,028 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:40,028 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:40,028 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:40,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:40,040 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 12:49:40,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:40,040 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:40,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:40,040 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:40,041 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:44,263 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:49:44,327 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-21 12:49:44,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:44,327 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:44,327 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:44,327 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:44,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:44,386 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-21 12:49:44,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:44,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:44,387 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:44,387 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:44,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:44,389 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:44,401 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:44,401 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:44,401 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:44,402 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:44,402 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:44,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:44,403 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:44,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:44,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:44,403 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:44,403 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:44,403 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:44,405 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:44,419 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:44,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:44,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:44,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:44,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:44,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:44,422 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:44,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:44,424 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:44,424 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:44,424 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:44,425 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:44,426 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:44,451 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-21 12:49:44,452 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:44,452 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:44,452 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:44,452 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:44,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:44,495 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-21 12:49:44,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:44,495 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:44,496 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:44,496 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:44,503 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:45,134 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:45,196 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:45,196 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:45,196 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:45,196 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:45,196 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:45,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,197 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:45,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,198 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:45,198 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:45,198 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:45,198 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:45,203 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:45,215 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:45,216 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:45,216 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:45,216 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:45,216 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:45,216 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,218 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:45,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:45,219 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:45,219 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:45,219 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:45,221 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:45,233 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 12:49:45,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:45,233 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:45,234 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:45,234 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:45,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,238 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 12:49:45,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:45,239 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:45,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:45,239 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:45,246 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:45,258 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:49:45,259 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:45,259 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:45,259 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:45,259 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:45,259 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,262 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:49:45,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:45,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:45,262 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:45,263 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:45,263 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:45,270 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:45,279 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 12:49:45,279 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@83962bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:45, skipping insertion in model container [2024-09-21 12:49:45,279 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:45,281 INFO L158 Benchmark]: Toolchain (without parser) took 14557.95ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 35.9MB in the beginning and 32.7MB in the end (delta: 3.1MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:45,282 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 52.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:45,282 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 71.3MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:45,282 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.85ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 38.0MB in the end (delta: -2.3MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:45,283 INFO L158 Benchmark]: Boogie Preprocessor took 73.55ms. Allocated memory is still 71.3MB. Free memory was 38.0MB in the beginning and 35.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:45,283 INFO L158 Benchmark]: RCFGBuilder took 2466.25ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 34.6MB in the end (delta: 629.6kB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:45,284 INFO L158 Benchmark]: Referee took 11642.23ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 34.6MB in the beginning and 32.7MB in the end (delta: 1.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2024-09-21 12:49:45,286 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. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from 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 58. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure 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 40. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 52.4MB. Free memory is still 35.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 71.3MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.85ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 38.0MB in the end (delta: -2.3MB). Peak memory consumption was 3.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.55ms. Allocated memory is still 71.3MB. Free memory was 38.0MB in the beginning and 35.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2466.25ms. Allocated memory is still 71.3MB. Free memory was 35.2MB in the beginning and 34.6MB in the end (delta: 629.6kB). Peak memory consumption was 12.7MB. Max. memory is 16.1GB. * Referee took 11642.23ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 34.6MB in the beginning and 32.7MB in the end (delta: 1.9MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 12:49:45,377 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE