./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:40:14,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:14,434 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-17 19:40:14,439 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:14,440 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:14,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:14,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:14,464 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:14,465 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:14,465 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:14,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:14,467 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:14,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:14,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:14,468 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:14,468 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:14,470 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:14,471 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:14,471 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-17 19:40:14,471 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:14,471 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:14,472 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:14,472 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:14,472 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:14,472 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:14,473 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:14,473 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:14,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:14,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:14,477 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:14,477 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:14,477 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:14,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:14,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:14,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:14,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:14,478 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:14,478 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-17 19:40:14,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-17 19:40:14,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:14,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:14,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:14,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:14,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:14,731 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:14,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:14,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:14,753 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:14,753 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:14,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-17 19:40:16,041 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:16,216 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:16,220 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-17 19:40:16,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/482a20005/d9b6fb6931974b5883a10e6e84e6bfd4/FLAG9b352dcb3 [2024-09-17 19:40:16,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/482a20005/d9b6fb6931974b5883a10e6e84e6bfd4 [2024-09-17 19:40:16,240 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:16,241 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:16,242 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-17 19:40:16,288 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:16,289 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:16,290 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:16,290 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:16,294 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:16,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:16" (1/2) ... [2024-09-17 19:40:16,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b4319e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:16, skipping insertion in model container [2024-09-17 19:40:16,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:16" (1/2) ... [2024-09-17 19:40:16,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4b8ca151 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:16, skipping insertion in model container [2024-09-17 19:40:16,297 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 07:40:16" (2/2) ... [2024-09-17 19:40:16,297 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b4319e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:16, skipping insertion in model container [2024-09-17 19:40:16,297 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 07:40:16" (2/2) ... [2024-09-17 19:40:16,306 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:16,306 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && (((((p == 0) && (n == r)) && (1 <= counter)) && (h == 0)) || ((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)))) [2024-09-17 19:40:16,307 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-17 19:40:16,307 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-17 19:40:16,307 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:16,307 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-17 19:40:16,324 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:16,465 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2024-09-17 19:40:16,494 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:16,506 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:16,537 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-17 19:40:16,557 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:16,571 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:16,572 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:16 WrapperNode [2024-09-17 19:40:16,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:16,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:16,573 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:16,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:16,584 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,585 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,590 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,605 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 19:40:16,605 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,605 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,610 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,617 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,618 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,619 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:16,626 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:16,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:16,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:16,628 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 07:40:16" (1/1) ... [2024-09-17 19:40:16,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:16,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:16,655 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 19:40:16,664 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 19:40:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:16,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:16,704 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:16,704 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-17 19:40:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:16,787 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:16,788 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:16,807 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:16,826 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:17,024 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:17,048 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:17,066 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:17,066 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:17,067 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:17 BoogieIcfgContainer [2024-09-17 19:40:17,067 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:17,067 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:17,067 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:17,068 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:17,068 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:16" (1/4) ... [2024-09-17 19:40:17,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bf7f0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:17, skipping insertion in model container [2024-09-17 19:40:17,068 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 07:40:16" (2/4) ... [2024-09-17 19:40:17,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bf7f0d9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:17, skipping insertion in model container [2024-09-17 19:40:17,069 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 07:40:16" (3/4) ... [2024-09-17 19:40:17,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bf7f0d9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:17, skipping insertion in model container [2024-09-17 19:40:17,069 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 07:40:17" (4/4) ... [2024-09-17 19:40:17,070 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-17 19:40:17,073 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:17,073 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 19:40:17,074 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 19:40:17,074 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 19:40:17,074 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 19:40:17,074 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 19:40:17,074 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 19:40:17,074 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 19:40:17,074 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 19:40:17,074 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-17 19:40:17,074 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 19:40:17,074 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 19:40:17,075 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 19:40:17,075 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 19:40:17,075 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 19:40:17,075 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 19:40:17,075 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 19:40:17,075 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 19:40:17,075 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 19:40:17,075 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 19:40:17,076 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 10 loop-free subgraphs from loop head to error location [2024-09-17 19:40:17,133 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:17,134 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:17,136 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:17,136 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:17,137 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:17,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,153 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:17,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,154 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:17,154 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:17,154 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:17,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:17,181 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 19:40:17,265 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-17 19:40:17,269 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:17,269 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:17,269 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:17,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:17,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,450 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-17 19:40:17,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,451 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:17,451 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:17,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:17,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:17,499 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:17,542 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:17,547 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:17,547 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:17,547 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:17,547 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:17,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,565 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:17,565 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,565 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:17,565 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:17,566 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:17,568 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:17,573 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:17,612 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-17 19:40:17,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:17,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:17,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:17,616 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:17,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,631 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-17 19:40:17,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:17,632 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:17,633 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:17,633 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:17,640 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:17,675 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-17 19:40:17,680 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:17,680 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:17,680 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:17,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:17,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,745 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-17 19:40:17,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:17,749 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:17,750 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:17,750 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:17,765 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:21,777 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:21,837 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:21,840 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:21,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:21,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:21,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:21,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:21,845 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:21,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:21,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:21,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:21,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:21,848 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:21,857 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:21,883 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-17 19:40:21,884 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:21,884 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:21,884 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:21,884 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:21,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:21,922 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-17 19:40:21,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:21,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:21,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:21,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:21,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:21,934 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:21,959 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-17 19:40:21,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:21,963 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:21,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:21,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:21,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:21,993 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-17 19:40:21,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:21,994 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:21,994 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:21,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:21,994 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:21,997 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:22,020 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:40:22,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:22,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:22,021 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:22,021 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:22,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:22,022 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:40:22,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:22,026 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:22,026 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:22,026 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:22,026 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:22,028 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:22,059 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-17 19:40:22,059 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:22,059 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:22,060 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:22,060 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:22,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:22,128 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-17 19:40:22,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:22,128 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:22,128 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:22,128 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:22,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:26,138 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:26,159 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-17 19:40:26,159 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:26,159 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:26,159 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:26,160 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:26,160 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,171 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-17 19:40:26,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:26,171 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:26,172 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:26,172 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:26,176 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:26,191 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-17 19:40:26,191 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:26,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:26,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:26,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:26,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,268 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-17 19:40:26,269 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,269 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:26,269 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:26,269 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:26,271 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:26,272 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:26,290 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:26,290 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:26,290 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:26,290 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:26,291 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:26,291 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,292 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:26,292 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,293 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:26,293 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:26,293 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:26,293 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:26,294 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:26,311 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:26,311 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:26,311 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:26,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:26,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:26,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,314 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:26,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,315 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:26,315 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:26,315 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:26,316 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:26,317 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:26,338 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-17 19:40:26,338 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:26,338 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:26,338 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:26,339 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:26,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,384 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-17 19:40:26,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:26,384 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:26,384 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:26,384 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:26,391 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,398 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-17 19:40:30,418 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:30,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,420 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:30,421 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,421 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,421 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,421 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,421 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,424 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:30,438 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:30,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,438 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,438 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,440 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:30,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,440 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,444 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:30,458 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:30,458 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,459 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,459 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,459 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,463 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:30,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,463 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,464 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,464 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,464 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,468 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:30,481 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:30,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:30,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:30,482 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:30,482 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:30,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,485 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:30,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:30,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:30,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:30,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:30,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:30,488 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:30,491 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-17 19:40:30,492 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4bf7f0d9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:30, skipping insertion in model container [2024-09-17 19:40:30,492 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:30,494 INFO L158 Benchmark]: Toolchain (without parser) took 14204.27ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 167.4MB in the beginning and 121.2MB in the end (delta: 46.2MB). Peak memory consumption was 116.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,494 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 80.0MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:30,494 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 199.2MB. Free memory is still 169.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:30,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.72ms. Allocated memory is still 199.2MB. Free memory was 167.4MB in the beginning and 152.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,495 INFO L158 Benchmark]: Boogie Preprocessor took 53.08ms. Allocated memory is still 199.2MB. Free memory was 152.7MB in the beginning and 149.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,496 INFO L158 Benchmark]: RCFGBuilder took 440.22ms. Allocated memory is still 199.2MB. Free memory was 149.6MB in the beginning and 152.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,496 INFO L158 Benchmark]: Referee took 13425.09ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 152.5MB in the beginning and 121.2MB in the end (delta: 31.3MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2024-09-17 19:40:30,498 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 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 57. 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 39. 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 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 check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 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 entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 109.1MB. Free memory was 80.2MB in the beginning and 80.0MB in the end (delta: 167.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 199.2MB. Free memory is still 169.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.72ms. Allocated memory is still 199.2MB. Free memory was 167.4MB in the beginning and 152.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.08ms. Allocated memory is still 199.2MB. Free memory was 152.7MB in the beginning and 149.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 440.22ms. Allocated memory is still 199.2MB. Free memory was 149.6MB in the beginning and 152.5MB in the end (delta: -2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 13425.09ms. Allocated memory was 199.2MB in the beginning and 239.1MB in the end (delta: 39.8MB). Free memory was 152.5MB in the beginning and 121.2MB in the end (delta: 31.3MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-17 19:40:30,525 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-de32597-m [2024-09-17 19:40:32,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-17 19:40:32,833 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-17 19:40:32,842 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-17 19:40:32,847 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-17 19:40:32,879 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-17 19:40:32,884 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-17 19:40:32,885 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-17 19:40:32,885 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-17 19:40:32,885 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-17 19:40:32,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-17 19:40:32,886 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-17 19:40:32,886 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-17 19:40:32,887 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-17 19:40:32,887 INFO L153 SettingsManager]: * Use SBE=true [2024-09-17 19:40:32,893 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-17 19:40:32,894 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-17 19:40:32,894 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-17 19:40:32,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-17 19:40:32,894 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-17 19:40:32,894 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-17 19:40:32,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-17 19:40:32,895 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-17 19:40:32,895 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-17 19:40:32,895 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-17 19:40:32,896 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-17 19:40:32,896 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-17 19:40:32,896 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-17 19:40:32,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-17 19:40:32,897 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-17 19:40:32,897 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-17 19:40:32,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-17 19:40:32,897 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-17 19:40:32,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-17 19:40:32,898 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-17 19:40:32,898 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:32,905 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-17 19:40:32,905 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-17 19:40:32,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-17 19:40:32,906 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-17 19:40:32,906 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-17 19:40:32,909 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-17 19:40:32,909 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-17 19:40:32,910 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-17 19:40:32,910 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-17 19:40:32,910 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-17 19:40:32,910 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-17 19:40:33,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-17 19:40:33,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-17 19:40:33,353 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-17 19:40:33,354 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-17 19:40:33,354 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-17 19:40:33,356 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/dijkstra-u_unwindbound1.yml/witness-2.1.yml [2024-09-17 19:40:33,416 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-17 19:40:33,416 INFO L274 PluginConnector]: CDTParser initialized [2024-09-17 19:40:33,416 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-17 19:40:35,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-17 19:40:35,332 INFO L384 CDTParser]: Found 1 translation units. [2024-09-17 19:40:35,338 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c [2024-09-17 19:40:35,348 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7a52368a9/a10300ddb0284e9c87aadaa777b92b57/FLAGbdc2ab1e5 [2024-09-17 19:40:35,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7a52368a9/a10300ddb0284e9c87aadaa777b92b57 [2024-09-17 19:40:35,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-17 19:40:35,363 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-17 19:40:35,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:35,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-17 19:40:35,370 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-17 19:40:35,371 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 07:40:33" (1/2) ... [2024-09-17 19:40:35,372 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1098e25a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:35, skipping insertion in model container [2024-09-17 19:40:35,375 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 07:40:33" (1/2) ... [2024-09-17 19:40:35,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@598d617 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 17.09 07:40:35, skipping insertion in model container [2024-09-17 19:40:35,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:35" (2/2) ... [2024-09-17 19:40:35,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1098e25a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35, skipping insertion in model container [2024-09-17 19:40:35,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 07:40:35" (2/2) ... [2024-09-17 19:40:35,387 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-17 19:40:35,388 INFO L1541 ArrayList]: Loop invariant at [L30-L35] ((\old(counter) == 0) && (((((p == 0) && (n == r)) && (1 <= counter)) && (h == 0)) || ((((p == 0) && (n == r)) && (counter == 0)) && (h == 0)))) [2024-09-17 19:40:35,388 INFO L1541 ArrayList]: Loop invariant at [L38-L56] (((((p == 0) && (n == r)) && (1 <= counter)) && (\old(counter) == 0)) && (h == 0)) [2024-09-17 19:40:35,388 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-17 19:40:35,388 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-17 19:40:35,389 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-17 19:40:35,408 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-17 19:40:35,551 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] [2024-09-17 19:40:35,588 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:35,602 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-17 19:40:35,633 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-17 19:40:35,654 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-17 19:40:35,672 INFO L204 MainTranslator]: Completed translation [2024-09-17 19:40:35,672 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35 WrapperNode [2024-09-17 19:40:35,673 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-17 19:40:35,674 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-17 19:40:35,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-17 19:40:35,674 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-17 19:40:35,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,696 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,709 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 19:40:35,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,713 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,720 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,723 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,724 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-17 19:40:35,727 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-17 19:40:35,727 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-17 19:40:35,727 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-17 19:40:35,728 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (1/1) ... [2024-09-17 19:40:35,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-17 19:40:35,739 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-17 19:40:35,753 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 19:40:35,755 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 19:40:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-17 19:40:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-17 19:40:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-17 19:40:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-17 19:40:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-17 19:40:35,786 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-17 19:40:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-17 19:40:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-17 19:40:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-17 19:40:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-17 19:40:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-17 19:40:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-17 19:40:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-17 19:40:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-17 19:40:35,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-17 19:40:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-17 19:40:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-17 19:40:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-17 19:40:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-17 19:40:35,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-17 19:40:35,865 INFO L242 CfgBuilder]: Building ICFG [2024-09-17 19:40:35,867 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-17 19:40:35,903 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:35,947 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:37,881 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-17 19:40:37,928 INFO L291 CfgBuilder]: Performing block encoding [2024-09-17 19:40:37,946 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-17 19:40:37,947 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-17 19:40:37,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:37 BoogieIcfgContainer [2024-09-17 19:40:37,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-17 19:40:37,948 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-17 19:40:37,948 INFO L270 PluginConnector]: Initializing Referee... [2024-09-17 19:40:37,948 INFO L274 PluginConnector]: Referee initialized [2024-09-17 19:40:37,949 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 07:40:33" (1/4) ... [2024-09-17 19:40:37,949 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14a655fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 17.09 07:40:37, skipping insertion in model container [2024-09-17 19:40:37,949 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 17.09 07:40:35" (2/4) ... [2024-09-17 19:40:37,949 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14a655fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:37, skipping insertion in model container [2024-09-17 19:40:37,949 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 07:40:35" (3/4) ... [2024-09-17 19:40:37,950 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14a655fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 17.09 07:40:37, skipping insertion in model container [2024-09-17 19:40:37,950 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 07:40:37" (4/4) ... [2024-09-17 19:40:37,951 INFO L79 RefereeObserver]: Analyzing ICFG dijkstra-u_unwindbound1.c [2024-09-17 19:40:37,953 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-17 19:40:37,954 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 19:40:37,954 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 19:40:37,954 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 19:40:37,954 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 19:40:37,955 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 19:40:37,955 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 19:40:37,955 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 19:40:37,955 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 19:40:37,955 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-17 19:40:37,955 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 19:40:37,956 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 19:40:37,956 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 19:40:37,956 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 19:40:37,956 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 19:40:37,956 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 19:40:37,956 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 19:40:37,956 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 19:40:37,957 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 19:40:37,957 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 19:40:37,957 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location, 10 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-17 19:40:38,013 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-17 19:40:38,014 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,014 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,015 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,020 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,037 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-17 19:40:38,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,038 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,038 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,039 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,041 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:38,072 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 19:40:38,125 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 13 edges [2024-09-17 19:40:38,125 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,125 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,125 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,126 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,226 INFO L101 BaseMinimizeStates]: Removed 24 edges and 11 locations by large block encoding [2024-09-17 19:40:38,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,227 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,227 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,227 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,236 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:38,243 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:38,263 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-17 19:40:38,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,263 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,272 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-17 19:40:38,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,273 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,273 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,274 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:38,304 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-17 19:40:38,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,305 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,305 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,305 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,312 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-17 19:40:38,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,312 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,312 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,313 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,313 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:38,316 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:38,335 INFO L314 BlockEncoder]: Initial Icfg 12 locations, 13 edges [2024-09-17 19:40:38,336 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,370 INFO L101 BaseMinimizeStates]: Removed 24 edges and 10 locations by large block encoding [2024-09-17 19:40:38,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,371 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,371 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,371 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,377 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:38,575 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:38,629 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:38,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,630 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,630 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,630 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,634 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:38,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,634 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,634 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,634 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:38,636 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:38,648 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-17 19:40:38,648 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,648 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,648 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,649 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,663 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-17 19:40:38,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,664 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,664 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,664 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,664 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:38,666 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:38,678 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-17 19:40:38,678 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,678 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,678 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,678 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,678 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,698 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-17 19:40:38,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,698 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,698 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,698 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,699 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:38,701 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:38,711 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-17 19:40:38,712 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,712 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,712 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-17 19:40:38,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,713 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,713 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,713 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,713 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:38,714 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:38,726 INFO L314 BlockEncoder]: Initial Icfg 13 locations, 14 edges [2024-09-17 19:40:38,726 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:38,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:38,726 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:38,727 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:38,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,751 INFO L101 BaseMinimizeStates]: Removed 28 edges and 11 locations by large block encoding [2024-09-17 19:40:38,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:38,751 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:38,751 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:38,751 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:38,757 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,339 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr10REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:39,398 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-17 19:40:39,400 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,400 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,401 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,413 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-17 19:40:39,416 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,416 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:39,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:39,416 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:39,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,422 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:39,450 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 17 edges [2024-09-17 19:40:39,450 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,450 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,450 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,450 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,450 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,526 INFO L101 BaseMinimizeStates]: Removed 40 edges and 14 locations by large block encoding [2024-09-17 19:40:39,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,527 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:39,527 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:39,527 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:39,527 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,528 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr12ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:39,545 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:39,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,549 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,561 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:39,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,562 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:39,562 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:39,562 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:39,563 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,567 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:39,584 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-17 19:40:39,588 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,588 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,588 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,588 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,590 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-17 19:40:39,590 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,590 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:39,590 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:39,590 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:39,590 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,591 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-17 19:40:39,615 INFO L314 BlockEncoder]: Initial Icfg 14 locations, 15 edges [2024-09-17 19:40:39,615 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,674 INFO L101 BaseMinimizeStates]: Removed 32 edges and 12 locations by large block encoding [2024-09-17 19:40:39,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,675 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:39,675 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:39,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:39,684 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,915 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr11REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:39,967 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-17 19:40:39,967 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,968 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,969 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-17 19:40:39,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:39,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:39,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:39,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:39,970 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:39,978 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-17 19:40:39,995 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:39,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:39,996 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:39,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:39,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:39,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:40,002 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:40,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:40,002 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:40,002 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:40,002 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:40,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:40,004 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:40,022 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-17 19:40:40,022 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:40,022 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:40,022 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:40,022 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:40,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:40,028 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-17 19:40:40,030 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:40,030 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:40,030 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:40,030 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:40,031 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:40,033 INFO L520 InvariantChecker]: The annotation(s) from loop head L30-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-17 19:40:40,043 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-17 19:40:40,043 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-17 19:40:40,043 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-17 19:40:40,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-17 19:40:40,044 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-17 19:40:40,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:40,047 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-17 19:40:40,047 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-17 19:40:40,047 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-17 19:40:40,047 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-17 19:40:40,047 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-17 19:40:40,047 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-17 19:40:40,052 INFO L520 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-17 19:40:40,061 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2024-09-17 19:40:40,062 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-17 19:40:40,062 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14a655fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 17.09 07:40:40, skipping insertion in model container [2024-09-17 19:40:40,063 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-17 19:40:40,064 INFO L158 Benchmark]: Toolchain (without parser) took 4700.67ms. Allocated memory was 77.6MB in the beginning and 125.8MB in the end (delta: 48.2MB). Free memory was 40.6MB in the beginning and 72.6MB in the end (delta: -32.0MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2024-09-17 19:40:40,065 INFO L158 Benchmark]: Witness Parser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:40,065 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 115.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-17 19:40:40,066 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.46ms. Allocated memory is still 77.6MB. Free memory was 40.4MB in the beginning and 49.1MB in the end (delta: -8.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-09-17 19:40:40,066 INFO L158 Benchmark]: Boogie Preprocessor took 53.12ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 46.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-17 19:40:40,067 INFO L158 Benchmark]: RCFGBuilder took 2220.16ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 46.5MB in the beginning and 71.9MB in the end (delta: -25.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2024-09-17 19:40:40,068 INFO L158 Benchmark]: Referee took 2114.85ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 71.9MB in the beginning and 72.6MB in the end (delta: -692.9kB). Peak memory consumption was 49.4MB. Max. memory is 16.1GB. [2024-09-17 19:40:40,070 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 19:40:40,073 WARN L945 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #t~post5 [2024-09-17 19:40:40,075 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. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 42. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from 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 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 39. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 38 to 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 58. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 43. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 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 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.34ms. Allocated memory is still 77.6MB. Free memory is still 57.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 77.6MB. Free memory was 55.5MB in the beginning and 55.4MB in the end (delta: 115.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.46ms. Allocated memory is still 77.6MB. Free memory was 40.4MB in the beginning and 49.1MB in the end (delta: -8.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.12ms. Allocated memory is still 77.6MB. Free memory was 48.8MB in the beginning and 46.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 2220.16ms. Allocated memory was 77.6MB in the beginning and 104.9MB in the end (delta: 27.3MB). Free memory was 46.5MB in the beginning and 71.9MB in the end (delta: -25.4MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Referee took 2114.85ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 71.9MB in the beginning and 72.6MB in the end (delta: -692.9kB). Peak memory consumption was 49.4MB. 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 19:40:40,131 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