./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:27:07,464 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:07,540 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:27:07,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:07,545 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:07,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:07,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:07,572 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:07,573 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:07,574 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:07,574 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:07,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:07,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:07,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:07,577 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:07,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:07,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:07,578 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:07,579 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:27:07,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:07,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:07,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:07,584 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:07,584 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:07,584 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:07,584 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:07,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:07,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:07,585 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:07,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:07,586 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:07,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:07,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:07,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:07,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:07,587 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:07,587 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:07,588 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:27:07,588 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:27:07,588 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:07,588 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:07,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:07,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:07,589 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:07,827 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:07,849 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:07,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:07,854 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:07,855 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:07,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-20 13:27:07,958 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:07,958 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:07,958 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-20 13:27:09,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:09,589 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:09,589 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-20 13:27:09,601 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1c8466901/ad45d5b9b2694e92b0bceccbadbbaa9a/FLAGa842f007d [2024-09-20 13:27:09,620 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1c8466901/ad45d5b9b2694e92b0bceccbadbbaa9a [2024-09-20 13:27:09,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:09,622 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:09,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:09,626 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:09,631 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:09,632 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:07" (1/2) ... [2024-09-20 13:27:09,632 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1850519 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:09, skipping insertion in model container [2024-09-20 13:27:09,633 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:07" (1/2) ... [2024-09-20 13:27:09,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@617a8000 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:09, skipping insertion in model container [2024-09-20 13:27:09,634 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:09" (2/2) ... [2024-09-20 13:27:09,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1850519 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09, skipping insertion in model container [2024-09-20 13:27:09,635 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:09" (2/2) ... [2024-09-20 13:27:09,642 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:09,643 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && (((((p == 0) && (n == r)) && (1 <= counter)) && (h == 0)) || ((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)))) [2024-09-20 13:27:09,643 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-20 13:27:09,643 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:09,643 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:27:09,643 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:27:09,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:09,810 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2024-09-20 13:27:09,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:09,856 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:27:09,905 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 13:27:09,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:09,945 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:09,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09 WrapperNode [2024-09-20 13:27:09,946 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:09,947 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:09,947 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:09,947 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:09,962 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:09,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:09,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:09,990 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:27:09,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:09,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:09,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:10,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:10,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:10,009 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:10,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:10,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:10,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:10,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:10,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (1/1) ... [2024-09-20 13:27:10,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:10,040 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:10,056 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:27:10,059 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:27:10,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:10,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:10,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:10,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:10,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:27:10,125 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:27:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:10,143 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:27:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:27:10,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:10,218 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:10,223 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:10,249 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:10,283 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:10,613 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:10,652 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:10,683 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:10,683 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 13:27:10,684 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:10 BoogieIcfgContainer [2024-09-20 13:27:10,684 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:10,684 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:10,685 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:10,687 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:10,687 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:07" (1/4) ... [2024-09-20 13:27:10,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e5ce923 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:10, skipping insertion in model container [2024-09-20 13:27:10,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:09" (2/4) ... [2024-09-20 13:27:10,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e5ce923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:10, skipping insertion in model container [2024-09-20 13:27:10,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:09" (3/4) ... [2024-09-20 13:27:10,692 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e5ce923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:10, skipping insertion in model container [2024-09-20 13:27:10,692 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:10" (4/4) ... [2024-09-20 13:27:10,694 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-20 13:27:10,698 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 13:27:10,699 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:10,699 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-20 13:27:10,700 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:27:10,700 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:27:10,700 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-20 13:27:10,700 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:10,701 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 13:27:10,702 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:27:10,702 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:27:10,702 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-20 13:27:10,703 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:27:10,703 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-20 13:27:10,703 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:10,703 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:10,703 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-20 13:27:10,704 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:10,704 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:10,704 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 13:27:10,704 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:10,705 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from loop head to error location [2024-09-20 13:27:10,792 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:27:10,793 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:10,793 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:10,794 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:10,795 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:10,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:10,809 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:27:10,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:10,811 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:10,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:10,812 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:10,815 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:10,829 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:10,876 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-20 13:27:10,876 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:10,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:10,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:10,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:10,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:10,985 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-20 13:27:10,986 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:10,986 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:10,986 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:10,986 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:11,004 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:11,013 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:11,051 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:27:11,055 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:11,055 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:11,055 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:11,055 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:11,056 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,068 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:27:11,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:11,069 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:11,069 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:11,072 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:11,075 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:11,114 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:27:11,114 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:11,115 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:11,115 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:11,115 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:11,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,132 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:27:11,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,133 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:11,133 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:11,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:11,134 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:11,138 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:11,171 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-20 13:27:11,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:11,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:11,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:11,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:11,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,223 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-20 13:27:11,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:11,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:11,224 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:11,224 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:11,236 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,240 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:15,269 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:15,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,277 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:15,278 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,278 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,278 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,278 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,281 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:15,307 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-20 13:27:15,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,307 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,307 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,308 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,334 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-20 13:27:15,334 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,335 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,337 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:15,359 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 13:27:15,360 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,360 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,360 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,360 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,379 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 13:27:15,380 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,380 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,384 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:15,402 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:27:15,402 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,402 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,403 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,403 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:27:15,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,404 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,404 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,404 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,404 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:15,406 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:15,426 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-20 13:27:15,426 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:15,426 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:15,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:15,427 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:15,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,469 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-20 13:27:15,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:15,470 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:15,470 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:15,470 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:15,479 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:19,483 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:19,526 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:27:19,526 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:19,526 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:19,526 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:19,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:19,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,539 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:27:19,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:19,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:19,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:19,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:19,542 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:19,562 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-20 13:27:19,563 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:19,563 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:19,563 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:19,563 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:19,563 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,632 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-20 13:27:19,633 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,633 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:19,633 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:19,633 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:19,634 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:19,638 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:19,656 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:19,656 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:19,656 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:19,657 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:19,657 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:19,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,657 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:19,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,658 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:19,658 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:19,658 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:19,658 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:19,659 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:19,675 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:19,675 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:19,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:19,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:19,676 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:19,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,678 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:19,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:19,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:19,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:19,679 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:19,680 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:19,698 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-20 13:27:19,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:19,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:19,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:19,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:19,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,745 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-20 13:27:19,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:19,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:19,746 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:19,746 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:19,755 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:23,760 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:23,779 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:23,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:23,780 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:23,780 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:23,780 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:23,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,781 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:23,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,781 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:23,781 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:23,781 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:23,781 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:23,783 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:23,798 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:23,798 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:23,798 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:23,798 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:23,798 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:23,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,800 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:23,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:23,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:23,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:23,801 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:23,803 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:23,826 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:23,826 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:23,826 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:23,826 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:23,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:23,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,831 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:23,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:23,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:23,832 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:23,832 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:23,835 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:23,849 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:23,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:23,850 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:23,850 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:23,850 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:23,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,852 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:23,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:23,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:23,852 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:23,852 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:23,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:23,854 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:23,857 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:27:23,857 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1e5ce923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:23, skipping insertion in model container [2024-09-20 13:27:23,857 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:23,859 INFO L158 Benchmark]: Toolchain (without parser) took 14235.93ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 93.1MB in the beginning and 170.3MB in the end (delta: -77.2MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:23,860 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:23,860 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:23,860 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.41ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 77.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:23,861 INFO L158 Benchmark]: Boogie Preprocessor took 68.10ms. Allocated memory is still 167.8MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:23,861 INFO L158 Benchmark]: RCFGBuilder took 668.06ms. Allocated memory is still 167.8MB. Free memory was 75.8MB in the beginning and 120.3MB in the end (delta: -44.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2024-09-20 13:27:23,862 INFO L158 Benchmark]: Referee took 13172.98ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 120.3MB in the beginning and 170.3MB in the end (delta: -50.0MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. [2024-09-20 13:27:23,865 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 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 167.8MB. Free memory is still 120.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 167.8MB. Free memory is still 138.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 321.41ms. Allocated memory is still 167.8MB. Free memory was 92.9MB in the beginning and 77.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.10ms. Allocated memory is still 167.8MB. Free memory was 77.9MB in the beginning and 75.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.06ms. Allocated memory is still 167.8MB. Free memory was 75.8MB in the beginning and 120.3MB in the end (delta: -44.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Referee took 13172.98ms. Allocated memory was 167.8MB in the beginning and 213.9MB in the end (delta: 46.1MB). Free memory was 120.3MB in the beginning and 170.3MB in the end (delta: -50.0MB). Peak memory consumption was 99.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:27:23,916 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:27:26,213 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:26,290 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:27:26,295 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:26,296 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:26,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:26,328 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:26,328 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:26,329 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:26,330 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:26,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:26,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:26,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:26,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:26,334 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:26,334 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:26,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:26,334 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:26,335 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:26,335 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:26,335 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:26,336 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:26,337 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:26,337 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:27:26,337 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:27:26,338 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:26,338 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:27:26,338 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:26,339 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:26,339 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:26,339 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:26,340 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:26,340 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:26,340 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:26,340 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:26,341 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:26,341 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:26,341 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:26,341 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:26,342 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:27:26,342 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:27:26,342 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:26,342 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:26,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:26,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:26,343 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:27:26,343 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:26,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:26,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:26,679 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:26,680 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:26,681 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:26,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-20 13:27:26,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:26,740 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:26,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-20 13:27:28,369 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:28,557 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:28,558 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-20 13:27:28,566 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/17d17eb2f/80a22f9929214925941f02100c7a60f1/FLAG4eae70cce [2024-09-20 13:27:28,583 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/17d17eb2f/80a22f9929214925941f02100c7a60f1 [2024-09-20 13:27:28,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:28,585 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:28,586 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:28,586 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:28,591 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:28,592 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:26" (1/2) ... [2024-09-20 13:27:28,596 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0c4e5d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:28, skipping insertion in model container [2024-09-20 13:27:28,596 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:26" (1/2) ... [2024-09-20 13:27:28,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@18459004 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:28, skipping insertion in model container [2024-09-20 13:27:28,598 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:28" (2/2) ... [2024-09-20 13:27:28,598 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d0c4e5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28, skipping insertion in model container [2024-09-20 13:27:28,598 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:28" (2/2) ... [2024-09-20 13:27:28,607 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:28,608 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && (((((p == 0) && (n == r)) && (1 <= counter)) && (h == 0)) || ((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)))) [2024-09-20 13:27:28,609 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-20 13:27:28,609 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:27:28,610 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 13:27:28,610 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:28,630 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:28,808 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2024-09-20 13:27:28,852 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:28,873 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:27:28,911 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-20 13:27:28,941 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:28,959 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:28,960 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28 WrapperNode [2024-09-20 13:27:28,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:28,962 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:28,962 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:28,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:28,975 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:28,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:28,983 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:28,999 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:27:28,999 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:29,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:29,015 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:29,018 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:29,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:29,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:29,024 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:29,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:29,029 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:29,029 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:29,030 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (1/1) ... [2024-09-20 13:27:29,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:29,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:29,062 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:27:29,076 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:27:29,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:29,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:29,123 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 13:27:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:29,124 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:27:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:29,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:27:29,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:27:29,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:29,204 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:29,206 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:29,226 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:29,261 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:31,016 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:31,067 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:31,096 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:31,096 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 13:27:31,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:31 BoogieIcfgContainer [2024-09-20 13:27:31,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:31,100 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:31,100 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:31,101 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:31,101 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:26" (1/4) ... [2024-09-20 13:27:31,101 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a7a6691 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:31, skipping insertion in model container [2024-09-20 13:27:31,101 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:28" (2/4) ... [2024-09-20 13:27:31,102 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a7a6691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:31, skipping insertion in model container [2024-09-20 13:27:31,102 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:28" (3/4) ... [2024-09-20 13:27:31,102 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a7a6691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:31, skipping insertion in model container [2024-09-20 13:27:31,102 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:31" (4/4) ... [2024-09-20 13:27:31,106 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-20 13:27:31,109 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 13:27:31,111 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:31,111 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-20 13:27:31,111 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:27:31,111 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-20 13:27:31,111 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-20 13:27:31,112 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:31,112 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-20 13:27:31,112 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:27:31,113 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 13:27:31,113 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-20 13:27:31,113 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:27:31,113 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-20 13:27:31,115 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:31,115 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:31,115 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-20 13:27:31,115 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:31,115 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-20 13:27:31,116 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-20 13:27:31,116 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:31,116 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 10 loop-free subgraphs from loop head to error location [2024-09-20 13:27:31,192 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:27:31,193 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,193 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,194 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,195 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,196 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,208 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:27:31,209 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,209 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,210 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,210 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,213 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:31,232 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:31,276 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-20 13:27:31,276 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,276 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,277 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,378 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-20 13:27:31,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,380 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:31,399 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:31,438 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 13:27:31,439 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,451 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 13:27:31,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,452 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,452 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,452 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,455 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:31,503 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:27:31,504 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,504 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,504 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,505 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,505 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,519 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:27:31,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,520 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,520 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,520 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,521 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:31,526 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:31,549 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-20 13:27:31,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,550 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,550 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,593 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-20 13:27:31,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,594 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,603 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:31,607 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:31,629 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:31,629 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,630 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,630 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,630 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,636 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:31,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,637 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,637 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,637 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,637 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:31,639 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:31,660 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-20 13:27:31,660 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,661 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,702 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-20 13:27:31,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,706 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:31,708 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:31,730 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-20 13:27:31,730 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,730 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,730 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,731 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,747 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-20 13:27:31,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,749 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:31,753 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:31,773 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:27:31,773 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,774 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,774 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,774 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,775 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:27:31,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,776 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:31,778 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:31,808 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-20 13:27:31,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:31,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:31,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:31,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:31,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,847 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-20 13:27:31,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:31,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:31,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:31,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:31,855 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:32,548 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:32,614 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:27:32,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:32,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:32,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:32,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:32,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,625 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:27:32,625 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,625 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:32,626 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:32,626 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:32,626 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:32,631 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:32,657 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-20 13:27:32,658 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:32,658 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:32,658 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:32,658 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:32,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,713 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-20 13:27:32,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:32,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:32,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:32,714 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:32,717 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:32,746 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:32,746 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:32,747 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:32,747 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:32,747 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:32,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,750 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:32,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,751 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:32,751 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:32,751 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:32,751 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:32,754 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:32,775 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:32,775 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:32,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:32,776 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:32,776 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:32,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,779 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:32,779 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,779 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:32,780 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:32,780 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:32,780 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:32,783 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:32,806 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-20 13:27:32,806 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:32,806 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:32,806 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:32,806 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:32,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,858 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-20 13:27:32,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:32,858 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:32,859 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:32,859 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:32,867 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:33,094 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:33,159 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:33,159 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:33,159 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:33,160 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:33,160 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:33,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:33,161 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:33,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:33,161 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:33,161 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:33,161 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:33,162 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:33,163 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:33,177 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:33,178 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:33,178 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:33,178 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:33,178 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:33,179 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:33,181 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:33,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:33,181 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:33,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:33,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:33,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:33,184 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:33,198 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:33,198 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:33,198 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:33,199 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:33,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:33,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:33,203 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:33,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:33,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:33,203 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:33,203 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:33,203 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:33,211 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:33,226 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:33,227 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:33,227 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:33,227 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:33,227 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:33,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:33,230 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:33,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:33,231 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:33,231 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:33,231 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:33,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:33,233 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:33,242 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-20 13:27:33,242 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7a7a6691 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:33, skipping insertion in model container [2024-09-20 13:27:33,242 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:33,244 INFO L158 Benchmark]: Toolchain (without parser) took 4658.74ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 54.0MB in the beginning and 47.0MB in the end (delta: 7.0MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-09-20 13:27:33,245 INFO L158 Benchmark]: Witness Parser took 0.68ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:33,245 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:33,246 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.46ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 38.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:33,246 INFO L158 Benchmark]: Boogie Preprocessor took 66.09ms. Allocated memory is still 77.6MB. Free memory was 38.5MB in the beginning and 36.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 13:27:33,247 INFO L158 Benchmark]: RCFGBuilder took 2067.88ms. Allocated memory is still 77.6MB. Free memory was 36.0MB in the beginning and 34.2MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 13:27:33,247 INFO L158 Benchmark]: Referee took 2142.77ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 34.2MB in the beginning and 47.0MB in the end (delta: -12.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. [2024-09-20 13:27:33,249 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 30 to loop head at line 38. One counterexample starts in \old(counter)=0, counter=2147483647, h=0, n=0, p=0, q=0, r=0 and ends in \old(counter)=0, counter=-2147483648, h=0, n=0, p=0, q=0, r=0. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from entry of procedure 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. 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 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 loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.68ms. Allocated memory is still 60.8MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory was 35.8MB in the beginning and 35.7MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.46ms. Allocated memory is still 77.6MB. Free memory was 54.0MB in the beginning and 38.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.09ms. Allocated memory is still 77.6MB. Free memory was 38.5MB in the beginning and 36.0MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2067.88ms. Allocated memory is still 77.6MB. Free memory was 36.0MB in the beginning and 34.2MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 2142.77ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 34.2MB in the beginning and 47.0MB in the end (delta: -12.8MB). Peak memory consumption was 27.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-20 13:27:33,335 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