./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 fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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-fb1cb0b-m [2024-09-25 11:47:15,437 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:15,510 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:47:15,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:15,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:15,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:15,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:15,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:15,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:15,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:15,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:15,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:15,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:15,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:15,556 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:15,556 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:15,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:15,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:15,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:47:15,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:15,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:15,561 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:15,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:15,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:15,562 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:15,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:15,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:15,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:15,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:15,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:15,564 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:15,564 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:15,564 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:15,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:15,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:15,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:15,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:15,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:47:15,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:47:15,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:15,567 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:15,567 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:15,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:15,568 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:15,834 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:15,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:15,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:15,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:15,865 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:15,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-25 11:47:17,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:17,391 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:17,392 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-25 11:47:17,403 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/06f33bccc/c8548b94441046fa83a6c497a6d20747/FLAG143866965 [2024-09-25 11:47:17,423 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/06f33bccc/c8548b94441046fa83a6c497a6d20747 [2024-09-25 11:47:17,426 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:17,427 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:17,428 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-25 11:47:17,486 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:17,487 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:17,490 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:17,490 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:17,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:17,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:17" (1/2) ... [2024-09-25 11:47:17,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645ce67f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:17, skipping insertion in model container [2024-09-25 11:47:17,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:17" (1/2) ... [2024-09-25 11:47:17,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1029eb85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:17, skipping insertion in model container [2024-09-25 11:47:17,499 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:17" (2/2) ... [2024-09-25 11:47:17,499 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@645ce67f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17, skipping insertion in model container [2024-09-25 11:47:17,499 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:17" (2/2) ... [2024-09-25 11:47:17,510 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:17,511 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-25 11:47:17,511 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)))) [2024-09-25 11:47:17,511 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:47:17,512 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:17,512 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:47:17,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:17,694 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] [2024-09-25 11:47:17,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:17,743 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:17,789 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 [2024-09-25 11:47:17,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:17,850 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:17,851 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17 WrapperNode [2024-09-25 11:47:17,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:17,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:17,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:17,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:17,867 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,867 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,878 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,893 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-25 11:47:17,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,902 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,907 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,909 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:17,910 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:17,910 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:17,911 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:17,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (1/1) ... [2024-09-25 11:47:17,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:17,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:17,939 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) [2024-09-25 11:47:17,942 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 [2024-09-25 11:47:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:17,982 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:17,982 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:17,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:47:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:47:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:47:17,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:18,044 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:18,046 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:18,070 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:18,102 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:18,384 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:18,420 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:18,447 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:18,447 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:18,448 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:18 BoogieIcfgContainer [2024-09-25 11:47:18,448 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:18,448 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:18,448 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:18,449 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:18,449 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:17" (1/4) ... [2024-09-25 11:47:18,450 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30dd46df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:18, skipping insertion in model container [2024-09-25 11:47:18,450 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:17" (2/4) ... [2024-09-25 11:47:18,450 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30dd46df and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:18, skipping insertion in model container [2024-09-25 11:47:18,450 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:17" (3/4) ... [2024-09-25 11:47:18,450 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30dd46df and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:18, skipping insertion in model container [2024-09-25 11:47:18,451 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:18" (4/4) ... [2024-09-25 11:47:18,452 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-25 11:47:18,475 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:18,476 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. [2024-09-25 11:47:18,476 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-25 11:47:18,477 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:18,477 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:47:18,477 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-25 11:47:18,477 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:18,477 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 11:47:18,477 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:18,477 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:47:18,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 11:47:18,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:47:18,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-25 11:47:18,478 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:18,478 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:18,478 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-25 11:47:18,478 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:18,479 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:47:18,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:18,479 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:18,479 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location, 10 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-25 11:47:18,572 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:18,575 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:18,575 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:18,576 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:18,577 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:18,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,588 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:18,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:18,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:18,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:18,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:18,618 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:18,675 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-25 11:47:18,675 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:18,675 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:18,675 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:18,676 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:18,676 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,796 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-25 11:47:18,796 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:18,797 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:18,797 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:18,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:18,823 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:18,853 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:18,853 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:18,853 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:18,853 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:18,854 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:18,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,863 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:18,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,863 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:18,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:18,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:18,866 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:18,869 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:18,895 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:47:18,895 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:18,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:18,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:18,896 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:18,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,905 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:47:18,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,906 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:18,907 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:18,907 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:18,907 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:18,911 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:18,938 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-25 11:47:18,938 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:18,939 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:18,939 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:18,939 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:18,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,977 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-25 11:47:18,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:18,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:18,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:18,978 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:18,998 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:23,008 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:23,033 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:23,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:23,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:23,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:23,035 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:23,035 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,041 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:23,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,041 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:23,041 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:23,041 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:23,042 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:23,048 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:23,070 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-25 11:47:23,070 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:23,071 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:23,071 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:23,071 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:23,071 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,104 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-25 11:47:23,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,107 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:23,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:23,108 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:23,108 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:23,113 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:23,133 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 11:47:23,135 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:23,135 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:23,135 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:23,135 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:23,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,154 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 11:47:23,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:23,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:23,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:23,155 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:23,158 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:23,175 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:23,175 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:23,176 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:23,176 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:23,176 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:23,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,177 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:23,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:23,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:23,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:23,177 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:23,179 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:23,199 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-25 11:47:23,199 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:23,199 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:23,199 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:23,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:23,199 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,240 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-25 11:47:23,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:23,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:23,241 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:23,241 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:23,249 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:27,253 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:27,285 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:47:27,285 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:27,285 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:27,285 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:27,285 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:27,286 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,298 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:47:27,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:27,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:27,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:27,299 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:27,301 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:27,320 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 11:47:27,321 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:27,321 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:27,321 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:27,321 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:27,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,387 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-25 11:47:27,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:27,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:27,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:27,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:27,390 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:27,404 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:27,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:27,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:27,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:27,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:27,405 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,405 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:27,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,406 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:27,406 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:27,406 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:27,406 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:27,408 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:27,422 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:27,422 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:27,422 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:27,422 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:27,423 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:27,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,424 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:27,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,425 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:27,425 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:27,425 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:27,426 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:27,427 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:27,443 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-25 11:47:27,444 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:27,444 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:27,444 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:27,444 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:27,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,489 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-25 11:47:27,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:27,489 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:27,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:27,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:27,498 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,514 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:31,539 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:31,539 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,539 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,540 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,540 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,540 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:31,541 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,541 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,541 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,541 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,544 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:31,562 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:31,562 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,562 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,563 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,565 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,568 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:31,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,568 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,568 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,568 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,568 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,573 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:31,589 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:31,589 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,589 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,589 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,590 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,597 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:31,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,598 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,603 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:31,617 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:31,617 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:31,617 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:31,617 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:31,617 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:31,617 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,620 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:31,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:31,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:31,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:31,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:31,622 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:31,624 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:31,627 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:47:31,628 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30dd46df and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:31, skipping insertion in model container [2024-09-25 11:47:31,628 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:31,630 INFO L158 Benchmark]: Toolchain (without parser) took 14141.82ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 82.8MB in the beginning and 47.2MB in the end (delta: 35.7MB). Peak memory consumption was 86.4MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,630 INFO L158 Benchmark]: CDTParser took 0.95ms. Allocated memory is still 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:31,631 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 140.5MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:31,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.47ms. Allocated memory is still 140.5MB. Free memory was 82.8MB in the beginning and 68.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,632 INFO L158 Benchmark]: Boogie Preprocessor took 57.36ms. Allocated memory is still 140.5MB. Free memory was 68.0MB in the beginning and 65.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,633 INFO L158 Benchmark]: RCFGBuilder took 537.58ms. Allocated memory is still 140.5MB. Free memory was 65.7MB in the beginning and 43.6MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,633 INFO L158 Benchmark]: Referee took 13180.03ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 43.6MB in the beginning and 47.2MB in the end (delta: -3.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2024-09-25 11:47:31,636 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 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. 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 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 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 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 39. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 40. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.95ms. Allocated memory is still 140.5MB. Free memory is still 113.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 140.5MB. Free memory is still 84.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.47ms. Allocated memory is still 140.5MB. Free memory was 82.8MB in the beginning and 68.0MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.36ms. Allocated memory is still 140.5MB. Free memory was 68.0MB in the beginning and 65.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 537.58ms. Allocated memory is still 140.5MB. Free memory was 65.7MB in the beginning and 43.6MB in the end (delta: 22.1MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 13180.03ms. Allocated memory was 140.5MB in the beginning and 180.4MB in the end (delta: 39.8MB). Free memory was 43.6MB in the beginning and 47.2MB in the end (delta: -3.5MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:47:31,671 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/11.0.12-open/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-fb1cb0b-m [2024-09-25 11:47:33,856 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:33,939 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:47:33,946 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:33,947 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:33,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:33,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:33,980 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:33,981 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:33,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:33,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:33,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:33,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:33,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:33,984 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:33,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:33,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:33,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:33,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:33,986 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:33,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:33,990 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:33,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:33,991 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:47:33,991 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:47:33,991 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:33,992 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:47:33,992 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:33,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:33,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:33,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:33,993 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:33,993 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:33,994 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:33,994 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:33,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:33,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:33,998 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:33,998 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:33,999 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:47:33,999 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:47:34,000 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:34,000 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:34,000 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:34,001 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:34,001 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:47:34,001 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:34,320 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:34,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:34,347 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:34,348 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:34,348 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:34,350 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-25 11:47:35,788 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:36,029 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:36,029 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-25 11:47:36,040 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/fc42c9560/87b2103195e6462ba49f389b46063916/FLAG69071ea3f [2024-09-25 11:47:36,387 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/fc42c9560/87b2103195e6462ba49f389b46063916 [2024-09-25 11:47:36,390 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:36,392 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:36,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-25 11:47:36,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:36,454 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:36,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:36,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:36,461 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:36,464 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:36" (1/2) ... [2024-09-25 11:47:36,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54cb7a44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:36, skipping insertion in model container [2024-09-25 11:47:36,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:36" (1/2) ... [2024-09-25 11:47:36,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5cfe731a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:36, skipping insertion in model container [2024-09-25 11:47:36,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:36" (2/2) ... [2024-09-25 11:47:36,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54cb7a44 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36, skipping insertion in model container [2024-09-25 11:47:36,470 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:36" (2/2) ... [2024-09-25 11:47:36,482 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:36,485 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)))) [2024-09-25 11:47:36,485 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-25 11:47:36,485 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:47:36,486 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:36,486 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures ((counter == \old(counter)) && (counter == 0)) [2024-09-25 11:47:36,506 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:36,671 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] [2024-09-25 11:47:36,714 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:36,728 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:36,766 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 [2024-09-25 11:47:36,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:36,816 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:36,817 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36 WrapperNode [2024-09-25 11:47:36,817 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:36,818 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:36,818 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:36,819 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:36,832 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,832 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,846 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,864 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 [2024-09-25 11:47:36,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,865 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,875 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,880 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,884 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,886 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:36,887 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:36,887 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:36,887 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:36,888 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (1/1) ... [2024-09-25 11:47:36,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:36,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:36,938 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) [2024-09-25 11:47:36,941 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 [2024-09-25 11:47:36,984 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:36,985 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 11:47:36,985 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:47:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:47:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:47:36,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:37,066 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:37,068 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:37,089 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:37,121 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:39,210 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:39,269 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:39,302 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:39,305 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:39,306 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:39 BoogieIcfgContainer [2024-09-25 11:47:39,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:39,307 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:39,307 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:39,307 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:39,307 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:36" (1/4) ... [2024-09-25 11:47:39,308 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@828ef0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:39, skipping insertion in model container [2024-09-25 11:47:39,308 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:36" (2/4) ... [2024-09-25 11:47:39,308 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@828ef0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:39, skipping insertion in model container [2024-09-25 11:47:39,308 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:36" (3/4) ... [2024-09-25 11:47:39,308 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@828ef0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:39, skipping insertion in model container [2024-09-25 11:47:39,309 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:39" (4/4) ... [2024-09-25 11:47:39,310 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-25 11:47:39,313 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:39,314 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. [2024-09-25 11:47:39,314 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-25 11:47:39,314 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:39,314 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:47:39,324 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-25 11:47:39,324 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:39,325 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 11:47:39,325 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:39,325 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:47:39,325 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-25 11:47:39,325 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 11:47:39,325 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-25 11:47:39,325 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:39,326 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:39,326 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-25 11:47:39,326 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:39,326 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:47:39,326 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 11:47:39,326 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:39,327 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from loop head to error location, 5 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-25 11:47:39,403 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:39,404 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,405 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,417 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:39,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,419 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:39,419 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:39,420 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:39,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:39,440 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:39,474 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-25 11:47:39,474 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,474 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,474 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,575 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-25 11:47:39,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,577 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:39,577 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:39,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:39,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:39,595 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:39,641 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 11:47:39,641 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,643 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,643 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,643 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,657 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 11:47:39,657 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,657 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:39,657 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:39,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:39,660 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:39,702 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:47:39,702 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,702 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,702 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,702 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,712 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:47:39,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:39,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:39,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:39,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:39,717 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:39,740 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-25 11:47:39,741 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,741 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,741 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,741 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,786 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-25 11:47:39,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:39,787 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:39,787 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:39,795 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:39,798 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:39,819 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:39,819 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,819 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,819 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,820 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,820 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,825 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:39,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,825 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:39,826 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:39,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:39,826 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:39,828 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:39,849 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-25 11:47:39,849 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,850 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,850 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,850 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,894 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-25 11:47:39,894 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:39,895 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:39,895 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:39,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:39,904 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:39,925 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 11:47:39,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,926 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,926 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,943 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 11:47:39,943 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,943 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:39,943 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:39,943 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:39,944 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:39,950 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:39,968 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:39,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,970 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:39,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:39,971 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:39,971 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:39,971 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:39,971 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:39,972 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:39,995 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-25 11:47:39,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:39,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:39,996 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:39,996 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:39,996 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,040 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-25 11:47:40,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,041 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,041 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,041 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,049 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,052 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:40,072 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:47:40,072 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:40,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:40,073 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:40,073 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:40,073 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,085 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:47:40,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,085 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,085 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,085 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,086 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,088 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:40,105 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-25 11:47:40,105 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:40,105 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:40,106 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:40,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:40,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,169 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-25 11:47:40,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,170 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,170 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,170 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,173 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,174 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:40,189 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:40,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:40,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:40,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:40,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:40,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,193 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:40,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,194 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,194 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,194 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,194 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,196 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:40,210 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:40,211 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:40,211 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:40,211 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:40,211 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:40,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,214 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:40,214 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,215 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,215 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,217 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:40,240 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-25 11:47:40,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:40,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:40,240 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:40,242 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:40,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,285 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-25 11:47:40,286 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,286 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,286 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,286 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,295 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,298 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:40,313 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:40,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:40,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:40,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:40,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:40,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,315 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:40,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,316 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,316 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,316 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,317 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:40,333 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:40,334 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:40,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:40,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:40,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:40,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,346 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:40,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,346 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,346 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,346 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,346 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,349 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:40,368 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:40,368 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:40,368 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:40,368 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:40,368 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:40,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,373 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:40,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,373 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,373 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,377 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:40,392 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:40,392 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:40,392 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:40,393 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:40,393 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:40,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,396 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:40,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:40,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:40,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:40,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:40,397 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:40,401 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:40,410 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 11:47:40,411 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@828ef0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:40, skipping insertion in model container [2024-09-25 11:47:40,411 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:40,413 INFO L158 Benchmark]: Toolchain (without parser) took 3957.95ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 50.9MB in the beginning and 50.5MB in the end (delta: 415.4kB). Peak memory consumption was 47.2MB. Max. memory is 16.1GB. [2024-09-25 11:47:40,413 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:40,414 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:40,414 INFO L158 Benchmark]: CACSL2BoogieTranslator took 361.43ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 35.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:40,415 INFO L158 Benchmark]: Boogie Preprocessor took 68.30ms. Allocated memory is still 77.6MB. Free memory was 35.3MB in the beginning and 56.9MB in the end (delta: -21.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-09-25 11:47:40,415 INFO L158 Benchmark]: RCFGBuilder took 2418.99ms. Allocated memory is still 77.6MB. Free memory was 56.6MB in the beginning and 31.8MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-25 11:47:40,416 INFO L158 Benchmark]: Referee took 1104.53ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 31.8MB in the beginning and 50.5MB in the end (delta: -18.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:40,418 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 57. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 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 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 42. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. 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 check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 58.7MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 77.6MB. Free memory is still 53.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 361.43ms. Allocated memory is still 77.6MB. Free memory was 50.7MB in the beginning and 35.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.30ms. Allocated memory is still 77.6MB. Free memory was 35.3MB in the beginning and 56.9MB in the end (delta: -21.7MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2418.99ms. Allocated memory is still 77.6MB. Free memory was 56.6MB in the beginning and 31.8MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Referee took 1104.53ms. Allocated memory was 77.6MB in the beginning and 94.4MB in the end (delta: 16.8MB). Free memory was 31.8MB in the beginning and 50.5MB in the end (delta: -18.7MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 11:47:40,474 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