./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version de325976 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:40:14,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:15,007 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:40:15,011 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:15,013 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:15,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:15,044 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:15,044 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:15,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:15,046 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:15,046 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:15,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:15,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:15,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:15,047 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:15,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:15,050 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:15,052 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:15,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:40:15,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:15,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:15,054 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:15,054 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:15,054 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:15,055 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:15,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:15,055 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:15,055 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:15,055 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:15,056 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:15,056 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:15,056 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:15,056 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:15,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:15,057 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:15,057 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:15,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:15,058 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:40:15,058 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:40:15,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:15,059 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:15,060 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:15,060 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:15,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:15,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:15,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:15,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:15,385 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:15,385 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:15,387 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-17 19:40:16,779 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:16,980 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:16,984 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-17 19:40:16,994 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/634bb4830/0afccf23e9fd41d19338482a0bffdeb7/FLAGf5d784c88 [2024-09-17 19:40:17,356 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/634bb4830/0afccf23e9fd41d19338482a0bffdeb7 [2024-09-17 19:40:17,358 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:17,359 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:17,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-17 19:40:17,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:17,420 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:17,421 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:17,422 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:17,427 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:17,428 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:17" (1/2) ... [2024-09-17 19:40:17,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@989756c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:17, skipping insertion in model container [2024-09-17 19:40:17,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:17" (1/2) ... [2024-09-17 19:40:17,432 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20347d52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:17, skipping insertion in model container [2024-09-17 19:40:17,433 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:17" (2/2) ... [2024-09-17 19:40:17,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@989756c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:17, skipping insertion in model container [2024-09-17 19:40:17,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:17" (2/2) ... [2024-09-17 19:40:17,444 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:17,445 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (n <= 0)) && (counter == 1)) && (h == 0)) && (q == 1)) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-17 19:40:17,445 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && ((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) || (((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)) && (q == 1))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0)))) [2024-09-17 19:40:17,446 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:17,446 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-17 19:40:17,446 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-17 19:40:17,468 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:17,637 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] [2024-09-17 19:40:17,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:17,695 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:17,731 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-17 19:40:17,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:17,774 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:17,775 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:17 WrapperNode [2024-09-17 19:40:17,775 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:17,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:17,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:17,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:17,790 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,790 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,796 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,815 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 [2024-09-17 19:40:17,815 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,816 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,821 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,825 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,826 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,829 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:17,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:17,835 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:17,835 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:17,836 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 17.09 07:40:17" (1/1) ... [2024-09-17 19:40:17,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:17,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:17,862 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) [2024-09-17 19:40:17,866 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 [2024-09-17 19:40:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:17,906 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:17,907 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:17,907 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:40:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:40:17,908 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:40:17,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:17,978 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:17,981 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:18,038 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:18,069 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:18,345 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:18,374 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:18,406 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:18,406 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:18,407 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:18 BoogieIcfgContainer [2024-09-17 19:40:18,407 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:18,407 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:18,407 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:18,408 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:18,409 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:17" (1/4) ... [2024-09-17 19:40:18,409 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@689df407 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:18, skipping insertion in model container [2024-09-17 19:40:18,409 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:17" (2/4) ... [2024-09-17 19:40:18,409 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@689df407 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:18, skipping insertion in model container [2024-09-17 19:40:18,410 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 17.09 07:40:17" (3/4) ... [2024-09-17 19:40:18,410 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@689df407 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:18, skipping insertion in model container [2024-09-17 19:40:18,410 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:18" (4/4) ... [2024-09-17 19:40:18,411 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-17 19:40:18,414 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:18,415 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. [2024-09-17 19:40:18,415 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-17 19:40:18,415 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:18,415 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-17 19:40:18,416 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-17 19:40:18,416 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:18,416 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-17 19:40:18,416 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-17 19:40:18,416 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-17 19:40:18,416 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-17 19:40:18,417 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-17 19:40:18,417 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-17 19:40:18,417 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:18,417 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:18,417 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-17 19:40:18,417 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:18,417 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:40:18,417 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:40:18,417 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:18,418 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location, 10 loop-free subgraphs from loop head to error location [2024-09-17 19:40:18,491 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:18,492 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:18,492 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:18,493 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:18,494 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:18,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:18,505 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:18,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:18,508 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:18,508 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:18,508 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:18,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:18,525 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:18,573 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-17 19:40:18,574 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:18,574 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:18,574 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:18,574 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:18,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:18,704 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-17 19:40:18,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:18,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:18,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:18,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:18,727 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:18,736 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:18,776 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:18,777 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:18,777 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:18,777 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:18,777 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:18,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:18,793 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:18,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:18,794 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:18,794 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:18,794 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:18,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:18,804 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:18,832 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-17 19:40:18,833 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:18,833 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:18,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:18,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:18,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:18,847 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-17 19:40:18,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:18,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:18,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:18,849 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:18,849 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:22,859 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:22,888 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-17 19:40:22,889 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:22,889 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:22,890 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:22,890 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:22,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:22,952 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-17 19:40:22,952 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:22,952 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:22,953 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:22,953 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:22,964 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:26,973 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:26,998 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:26,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:26,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:27,000 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:27,000 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:27,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:27,010 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:27,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:27,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:27,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:27,010 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:27,010 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,017 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:31,043 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-17 19:40:31,044 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,045 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,045 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,073 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-17 19:40:31,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,074 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,075 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,075 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:31,081 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:31,101 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-17 19:40:31,101 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:31,102 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:31,102 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:31,102 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:31,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,121 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-17 19:40:31,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:31,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:31,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:31,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:31,123 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:35,127 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:35,152 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:40:35,153 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:35,153 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:35,153 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:35,153 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:35,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:35,154 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:40:35,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:35,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:35,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:35,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:35,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:35,158 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:35,181 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-17 19:40:35,181 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:35,181 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:35,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:35,182 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:35,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:35,228 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-17 19:40:35,228 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:35,229 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:35,229 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:35,229 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:35,239 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,247 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:39,268 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-17 19:40:39,270 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,271 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,283 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-17 19:40:39,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,283 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:39,283 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:39,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:39,283 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:43,292 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:43,327 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-17 19:40:43,327 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:43,328 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:43,328 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:43,328 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:43,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:43,391 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-17 19:40:43,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:43,392 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:43,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:43,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:43,393 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:43,397 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:43,410 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:43,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:43,411 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:43,411 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:43,411 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:43,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:43,413 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:43,413 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:43,413 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:43,414 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:43,414 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:43,414 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:43,416 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:43,429 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:43,429 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:43,429 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:43,430 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:43,430 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:43,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:43,432 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:43,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:43,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:43,433 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:43,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:43,434 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:43,436 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:43,453 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-17 19:40:43,454 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:43,454 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:43,454 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:43,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:43,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:43,495 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-17 19:40:43,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:43,496 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:43,496 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:43,496 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:43,503 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:47,509 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:47,533 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:47,534 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:47,534 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:47,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:47,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:47,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:47,535 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:47,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:47,536 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:47,536 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:47,536 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:47,536 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:47,539 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:47,555 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:47,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:47,556 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:47,556 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:47,558 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:47,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:47,559 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:47,560 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:47,560 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:47,560 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:47,560 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:47,560 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:47,564 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:47,577 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:47,577 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:47,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:47,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:47,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:47,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:47,582 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:47,585 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:47,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:47,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:47,586 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:47,586 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:47,589 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:47,602 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:47,602 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:47,602 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:47,602 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:47,602 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:47,603 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:47,605 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:47,606 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:47,606 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:47,606 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:47,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:47,606 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:47,610 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:47,615 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-17 19:40:47,615 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@689df407 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:47, skipping insertion in model container [2024-09-17 19:40:47,616 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:47,618 INFO L158 Benchmark]: Toolchain (without parser) took 30197.03ms. Allocated memory is still 199.2MB. Free memory was 159.7MB in the beginning and 56.0MB in the end (delta: 103.7MB). Peak memory consumption was 104.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:47,618 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:47,618 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 199.2MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:47,620 INFO L158 Benchmark]: CACSL2BoogieTranslator took 353.89ms. Allocated memory is still 199.2MB. Free memory was 159.7MB in the beginning and 145.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-17 19:40:47,621 INFO L158 Benchmark]: Boogie Preprocessor took 58.27ms. Allocated memory is still 199.2MB. Free memory was 145.0MB in the beginning and 142.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:47,621 INFO L158 Benchmark]: RCFGBuilder took 572.03ms. Allocated memory is still 199.2MB. Free memory was 141.8MB in the beginning and 152.0MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-17 19:40:47,622 INFO L158 Benchmark]: Referee took 29208.34ms. Allocated memory is still 199.2MB. Free memory was 152.0MB in the beginning and 56.0MB in the end (delta: 96.0MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:47,625 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 41. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from entry of procedure 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 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 main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 104.9MB. Free memory is still 75.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 199.2MB. Free memory is still 161.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 353.89ms. Allocated memory is still 199.2MB. Free memory was 159.7MB in the beginning and 145.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.27ms. Allocated memory is still 199.2MB. Free memory was 145.0MB in the beginning and 142.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 572.03ms. Allocated memory is still 199.2MB. Free memory was 141.8MB in the beginning and 152.0MB in the end (delta: -10.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 29208.34ms. Allocated memory is still 199.2MB. Free memory was 152.0MB in the beginning and 56.0MB in the end (delta: 96.0MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:40:47,686 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:40:49,774 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:49,831 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:40:49,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:49,836 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:49,871 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:49,872 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:49,872 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:49,873 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:49,873 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:49,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:49,874 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:49,874 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:49,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:49,875 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:49,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:49,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:49,876 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:49,877 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:49,877 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:49,877 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:49,878 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:49,878 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:49,879 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:40:49,879 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:40:49,880 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:49,880 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:40:49,880 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:49,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:49,881 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:49,881 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:49,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:49,882 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:49,882 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:49,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:49,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:49,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:49,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:49,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:49,885 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:40:49,885 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:40:49,887 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:49,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:49,888 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:49,888 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:49,889 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:40:49,889 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:50,189 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:50,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:50,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:50,216 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:50,217 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:50,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound2.yml/witness-2.1.yml [2024-09-17 19:40:50,281 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:50,282 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:50,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-17 19:40:51,873 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:52,064 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:52,065 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c [2024-09-17 19:40:52,072 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5bac6609d/ff389b53fd8b4abf982df6929316b1bb/FLAG705d8376e [2024-09-17 19:40:52,088 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5bac6609d/ff389b53fd8b4abf982df6929316b1bb [2024-09-17 19:40:52,088 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:52,090 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:52,091 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:52,091 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:52,096 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:52,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:50" (1/2) ... [2024-09-17 19:40:52,098 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa4b25b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:52, skipping insertion in model container [2024-09-17 19:40:52,098 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:50" (1/2) ... [2024-09-17 19:40:52,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@746ebf1b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:52, skipping insertion in model container [2024-09-17 19:40:52,099 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:52" (2/2) ... [2024-09-17 19:40:52,100 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa4b25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52, skipping insertion in model container [2024-09-17 19:40:52,100 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:52" (2/2) ... [2024-09-17 19:40:52,112 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:52,113 INFO L1541 ArrayList]: Loop invariant at [L38-L56] ((((((((p == 0) && (n == r)) && (n <= 0)) && (counter == 1)) && (h == 0)) && (q == 1)) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0))) && (\old(counter) == 0)) [2024-09-17 19:40:52,114 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && ((((((p == 0) && (n == r)) && (counter == 1)) && (h == 0)) || (((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)) && (q == 1))) || ((((2 <= counter) && (p == 0)) && (n == r)) && (h == 0)))) [2024-09-17 19:40:52,114 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:52,114 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-17 19:40:52,115 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-17 19:40:52,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:52,329 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] [2024-09-17 19:40:52,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:52,392 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:52,431 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound2.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-17 19:40:52,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:52,484 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:52,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52 WrapperNode [2024-09-17 19:40:52,485 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:52,486 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:52,486 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:52,487 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:52,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,512 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,526 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 [2024-09-17 19:40:52,530 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,531 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,546 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,552 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,554 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:52,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:52,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:52,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:52,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (1/1) ... [2024-09-17 19:40:52,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:52,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:52,590 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) [2024-09-17 19:40:52,593 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 [2024-09-17 19:40:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:52,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:52,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-17 19:40:52,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-17 19:40:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-17 19:40:52,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:52,696 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:52,698 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:52,728 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:52,753 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:54,728 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:54,765 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:54,793 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:54,793 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:54,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:54 BoogieIcfgContainer [2024-09-17 19:40:54,793 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:54,794 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:54,794 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:54,795 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:54,795 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 17.09 07:40:50" (1/4) ... [2024-09-17 19:40:54,795 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5d97c44d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:54, skipping insertion in model container [2024-09-17 19:40:54,796 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:52" (2/4) ... [2024-09-17 19:40:54,796 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5d97c44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:54, skipping insertion in model container [2024-09-17 19:40:54,796 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:52" (3/4) ... [2024-09-17 19:40:54,796 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5d97c44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:54, skipping insertion in model container [2024-09-17 19:40:54,796 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:54" (4/4) ... [2024-09-17 19:40:54,797 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound2.c [2024-09-17 19:40:54,801 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:54,801 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. [2024-09-17 19:40:54,801 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-17 19:40:54,801 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-17 19:40:54,802 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-17 19:40:54,802 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 13 edges. [2024-09-17 19:40:54,802 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:54,802 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-17 19:40:54,802 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-17 19:40:54,802 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-17 19:40:54,802 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr10REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 14 edges. [2024-09-17 19:40:54,803 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-17 19:40:54,803 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr12ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 17 edges. [2024-09-17 19:40:54,803 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:54,803 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-17 19:40:54,803 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr11REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 15 edges. [2024-09-17 19:40:54,803 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-17 19:40:54,803 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-17 19:40:54,803 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-17 19:40:54,803 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-17 19:40:54,804 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-17 19:40:54,880 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:54,882 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:54,882 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:54,883 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:54,883 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:54,885 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:54,898 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:54,899 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:54,899 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:54,900 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:54,900 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:54,902 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:54,915 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:54,951 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-17 19:40:54,951 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:54,951 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:54,951 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:54,951 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:54,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:55,050 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-17 19:40:55,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:55,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:55,052 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:55,052 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:55,074 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:55,240 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:55,313 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:55,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:55,314 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:55,314 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:55,314 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:55,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:55,324 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:55,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:55,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:55,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:55,325 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:55,327 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:55,365 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-17 19:40:55,367 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:55,367 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:55,367 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:55,368 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:55,368 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:55,378 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-17 19:40:55,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:55,379 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:55,379 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:55,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:55,379 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:55,486 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:55,542 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-17 19:40:55,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:55,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:55,543 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:55,543 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:55,543 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:55,576 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-17 19:40:55,576 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:55,576 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:55,576 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:55,577 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:55,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:56,111 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:56,180 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:56,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:56,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:56,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:56,181 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:56,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,187 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:56,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,191 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:56,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:56,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:56,192 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:56,219 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:56,244 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-17 19:40:56,244 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:56,244 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:56,244 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:56,245 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:56,246 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,270 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-17 19:40:56,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:56,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:56,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:56,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:56,505 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:56,577 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-17 19:40:56,577 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:56,577 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:56,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:56,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:56,578 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,597 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-17 19:40:56,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,598 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:56,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:56,599 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:56,599 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:56,781 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:56,844 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:40:56,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:56,845 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:56,845 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:56,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:56,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,845 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:40:56,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,846 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:56,846 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:56,846 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:56,846 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:56,848 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:56,865 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-17 19:40:56,865 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:56,866 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:56,866 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:56,866 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:56,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,908 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-17 19:40:56,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:56,909 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:56,909 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:56,909 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:56,917 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:58,129 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:58,195 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-17 19:40:58,195 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:58,195 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:58,195 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:58,195 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:58,195 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:58,207 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-17 19:40:58,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:58,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:58,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:58,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:58,208 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:02,382 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:41:02,446 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-17 19:41:02,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:02,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:02,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:02,446 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:02,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:02,500 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-17 19:41:02,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:02,507 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:02,507 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:02,507 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:02,508 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:02,512 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:02,525 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:02,525 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:02,525 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:02,525 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:02,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:02,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:02,527 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:02,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:02,527 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:02,527 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:02,527 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:02,527 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:02,529 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:02,542 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:41:02,543 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:02,543 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:02,543 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:02,543 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:02,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:02,546 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:41:02,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:02,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:02,548 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:02,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:02,548 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:02,549 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:41:02,570 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-17 19:41:02,571 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:02,571 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:02,571 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:02,571 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:02,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:02,621 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-17 19:41:02,622 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:02,622 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:02,622 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:02,622 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:02,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:03,675 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:03,741 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:41:03,741 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:03,742 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:03,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:03,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:03,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:03,743 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:41:03,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:03,743 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:03,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:03,744 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:03,744 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:03,745 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:41:03,758 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:41:03,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:03,759 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:03,759 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:03,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:03,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:03,761 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:41:03,762 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:03,762 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:03,762 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:03,762 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:03,762 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:03,773 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:03,786 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:41:03,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:03,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:03,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:03,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:03,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:03,791 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:41:03,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:03,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:03,792 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:03,792 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:03,792 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:03,800 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:41:03,813 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:41:03,814 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:41:03,814 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:41:03,814 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:41:03,814 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:41:03,814 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:03,817 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:41:03,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:41:03,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:41:03,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:41:03,818 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:41:03,818 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:41:03,826 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:41:03,835 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2024-09-17 19:41:03,837 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-17 19:41:03,837 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5d97c44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:41:03, skipping insertion in model container [2024-09-17 19:41:03,837 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:41:03,839 INFO L158 Benchmark]: Toolchain (without parser) took 11748.78ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 35.2MB in the beginning and 36.9MB in the end (delta: -1.7MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-09-17 19:41:03,840 INFO L158 Benchmark]: Witness Parser took 3.61ms. Allocated memory is still 50.3MB. Free memory is still 23.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:03,841 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:41:03,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.38ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 37.3MB in the end (delta: -2.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-09-17 19:41:03,842 INFO L158 Benchmark]: Boogie Preprocessor took 75.60ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 34.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-17 19:41:03,843 INFO L158 Benchmark]: RCFGBuilder took 2231.40ms. Allocated memory is still 67.1MB. Free memory was 34.8MB in the beginning and 26.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-09-17 19:41:03,843 INFO L158 Benchmark]: Referee took 9043.49ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 26.2MB in the beginning and 36.9MB in the end (delta: -10.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-09-17 19:41:03,846 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. [2024-09-17 19:41:03,850 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2024-09-17 19:41:03,854 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 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. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from 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 43. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from 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 loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 58. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 3.61ms. Allocated memory is still 50.3MB. Free memory is still 23.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.14ms. Allocated memory is still 50.3MB. Free memory is still 33.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.38ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 37.3MB in the end (delta: -2.3MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.60ms. Allocated memory is still 67.1MB. Free memory was 37.3MB in the beginning and 34.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2231.40ms. Allocated memory is still 67.1MB. Free memory was 34.8MB in the beginning and 26.2MB in the end (delta: 8.6MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Referee took 9043.49ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 26.2MB in the beginning and 36.9MB in the end (delta: -10.8MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post5 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #t~post5 RESULT: Ultimate proved your program to be incorrect! [2024-09-17 19:41:03,942 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