./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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/cohendiv-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound2.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-dev-a9b967e-m [2024-09-11 20:48:37,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:37,200 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:37,206 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:37,206 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:37,226 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:37,226 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:37,227 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:37,227 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:37,227 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:37,228 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:37,228 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:37,229 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:37,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:37,233 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:37,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:37,234 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:37,234 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:37,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:37,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:37,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:37,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:37,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:37,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:37,237 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:37,238 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:37,238 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:37,238 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:37,238 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:37,238 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:37,239 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:37,239 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:37,240 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:37,240 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:37,240 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:37,241 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:37,241 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:37,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:37,242 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:37,242 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:37,242 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:37,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:37,243 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:37,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:37,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:37,519 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:37,521 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:37,521 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:37,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-11 20:48:39,038 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:39,257 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:39,258 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-11 20:48:39,265 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6b40d0116/a6ca7dc5ad7045cbb6ac3371276202ea/FLAG9536bcc8e [2024-09-11 20:48:39,278 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6b40d0116/a6ca7dc5ad7045cbb6ac3371276202ea [2024-09-11 20:48:39,280 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:39,281 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:39,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:48:39,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:39,342 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:39,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:39,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:39,351 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:39,352 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:39" (1/2) ... [2024-09-11 20:48:39,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa90ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:39, skipping insertion in model container [2024-09-11 20:48:39,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:39" (1/2) ... [2024-09-11 20:48:39,353 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3a9af470 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:39, skipping insertion in model container [2024-09-11 20:48:39,354 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:39" (2/2) ... [2024-09-11 20:48:39,354 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa90ad and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:39, skipping insertion in model container [2024-09-11 20:48:39,354 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:39" (2/2) ... [2024-09-11 20:48:39,364 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:39,365 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((((__int128) a * y) + r) == (b + x)) && (b <= y)) && (0 <= r)) && (r == x)) && (q == 0)) && (x <= 2)) || (((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (b <= (r + y))) && (0 <= r)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 2))) [2024-09-11 20:48:39,365 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 2)) || ((((((b == 0) && (0 <= r)) && (r == x)) && (q == 0)) && (a == 0)) && (x <= 2))) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 2))) [2024-09-11 20:48:39,365 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:39,365 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:39,386 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:39,553 WARN L247 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/cohendiv-ll_valuebound2.c[576,589] [2024-09-11 20:48:39,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:39,588 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:39,622 WARN L247 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/cohendiv-ll_valuebound2.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:39,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:39,659 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:39,660 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:39 WrapperNode [2024-09-11 20:48:39,660 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:39,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:39,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:39,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:39,671 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,671 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,679 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,688 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 [2024-09-11 20:48:39,689 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,689 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,694 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,700 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,701 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,702 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:39,709 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:39,709 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:39,709 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:39,710 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 11.09 08:48:39" (1/1) ... [2024-09-11 20:48:39,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:39,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:39,742 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) [2024-09-11 20:48:39,746 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 [2024-09-11 20:48:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:39,792 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:39,793 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:39,793 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:39,811 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:39,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:39,896 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:39,898 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:40,122 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:40,178 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:40,178 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:40,204 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:40,207 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:40,208 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:40 BoogieIcfgContainer [2024-09-11 20:48:40,208 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:40,208 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:40,208 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:40,209 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:40,209 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:39" (1/4) ... [2024-09-11 20:48:40,210 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3740c821 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:40, skipping insertion in model container [2024-09-11 20:48:40,210 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:39" (2/4) ... [2024-09-11 20:48:40,210 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3740c821 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:40, skipping insertion in model container [2024-09-11 20:48:40,210 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 11.09 08:48:39" (3/4) ... [2024-09-11 20:48:40,210 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3740c821 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:40, skipping insertion in model container [2024-09-11 20:48:40,211 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:40" (4/4) ... [2024-09-11 20:48:40,212 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound2.c [2024-09-11 20:48:40,216 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:40,217 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:40,217 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:40,218 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:40,218 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:40,218 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:40,218 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:40,218 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:40,219 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:48:40,219 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:40,219 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:48:40,219 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:40,219 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:40,220 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:40,220 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:40,220 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:40,279 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:40,280 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,280 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,281 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,282 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,285 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,298 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:40,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,300 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,302 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,305 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,331 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:40,375 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:40,377 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,378 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,378 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,378 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,394 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:40,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,395 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,395 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,395 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,398 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:40,421 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:40,421 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,421 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,422 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,422 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,435 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:40,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,436 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,436 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,436 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,436 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,441 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:40,460 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:40,461 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,461 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,461 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,461 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,461 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,478 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:40,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,479 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,479 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,484 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:40,500 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:40,501 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,501 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,501 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,501 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,513 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:40,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,514 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,515 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,515 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,515 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,519 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:40,532 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:40,532 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,533 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,533 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,533 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,537 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:40,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,542 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:40,555 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:40,557 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,557 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,557 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,558 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,580 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:40,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,582 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,583 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,586 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:40,598 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:40,598 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,598 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,599 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,599 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,610 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:40,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,611 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,611 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,611 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,611 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,615 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:40,630 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:40,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,631 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,632 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,632 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,646 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:40,647 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,647 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,647 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,648 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,648 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,650 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:40,670 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:48:40,670 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,671 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,671 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,705 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:48:40,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,706 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,706 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,706 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,711 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,718 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:40,733 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:40,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,735 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,735 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,735 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,740 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:40,741 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,741 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,741 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,741 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,742 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,744 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:40,757 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:40,758 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,758 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,758 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,766 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:40,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,767 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,767 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,768 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,770 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:40,781 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:40,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,785 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:40,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,785 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,786 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,786 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,786 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,789 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:40,801 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:40,801 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:40,801 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:40,802 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:40,802 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:40,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,803 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:40,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:40,804 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:40,804 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:40,804 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:40,804 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:40,805 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:40,809 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:40,811 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3740c821 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:40, skipping insertion in model container [2024-09-11 20:48:40,811 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:40,813 INFO L158 Benchmark]: Toolchain (without parser) took 1470.66ms. Allocated memory is still 203.4MB. Free memory was 134.2MB in the beginning and 79.4MB in the end (delta: 54.9MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2024-09-11 20:48:40,813 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:40,813 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:40,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.72ms. Allocated memory is still 203.4MB. Free memory was 134.0MB in the beginning and 119.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:40,815 INFO L158 Benchmark]: Boogie Preprocessor took 47.66ms. Allocated memory is still 203.4MB. Free memory was 119.8MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:40,816 INFO L158 Benchmark]: RCFGBuilder took 498.78ms. Allocated memory is still 203.4MB. Free memory was 117.8MB in the beginning and 162.0MB in the end (delta: -44.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:40,816 INFO L158 Benchmark]: Referee took 602.69ms. Allocated memory is still 203.4MB. Free memory was 162.0MB in the beginning and 79.4MB in the end (delta: 82.6MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2024-09-11 20:48:40,821 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. 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 16. 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 47 to loop head at line 47. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 47. 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 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 203.4MB. Free memory is still 136.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.72ms. Allocated memory is still 203.4MB. Free memory was 134.0MB in the beginning and 119.8MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.66ms. Allocated memory is still 203.4MB. Free memory was 119.8MB in the beginning and 117.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.78ms. Allocated memory is still 203.4MB. Free memory was 117.8MB in the beginning and 162.0MB in the end (delta: -44.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 602.69ms. Allocated memory is still 203.4MB. Free memory was 162.0MB in the beginning and 79.4MB in the end (delta: 82.6MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:40,842 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound2.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-dev-a9b967e-m [2024-09-11 20:48:43,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:43,206 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:43,211 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:43,212 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:43,246 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:43,246 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:43,247 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:43,247 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:43,248 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:43,249 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:43,250 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:43,250 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:43,254 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:43,254 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:43,254 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:43,255 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:43,255 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:43,255 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:43,255 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:43,256 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:43,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:43,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:43,259 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:43,260 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:43,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:43,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:43,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:43,261 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:43,261 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:43,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:43,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:43,262 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:43,262 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:43,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:43,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:43,265 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:43,265 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:43,265 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:43,266 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:43,266 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:43,267 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:43,267 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:43,267 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:43,267 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:43,268 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:43,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:43,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:43,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:43,605 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:43,606 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:43,607 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:48:43,683 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:43,684 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:43,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-11 20:48:45,282 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:45,459 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:45,460 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound2.c [2024-09-11 20:48:45,468 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/23e2ecd18/149e6941c8b643d39d74c42333a8a66c/FLAG6c622c082 [2024-09-11 20:48:45,483 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/23e2ecd18/149e6941c8b643d39d74c42333a8a66c [2024-09-11 20:48:45,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:45,485 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:45,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:45,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:45,495 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:45,496 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:43" (1/2) ... [2024-09-11 20:48:45,497 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b336b74 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:45, skipping insertion in model container [2024-09-11 20:48:45,497 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:43" (1/2) ... [2024-09-11 20:48:45,498 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@487f52b7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:45, skipping insertion in model container [2024-09-11 20:48:45,502 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:45" (2/2) ... [2024-09-11 20:48:45,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b336b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45, skipping insertion in model container [2024-09-11 20:48:45,503 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:45" (2/2) ... [2024-09-11 20:48:45,512 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:45,512 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((((__int128) a * y) + r) == (b + x)) && (b <= y)) && (0 <= r)) && (r == x)) && (q == 0)) && (x <= 2)) || (((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (b <= (r + y))) && (0 <= r)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 2))) [2024-09-11 20:48:45,512 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 2)) || ((((((b == 0) && (0 <= r)) && (r == x)) && (q == 0)) && (a == 0)) && (x <= 2))) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 2))) [2024-09-11 20:48:45,512 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:45,512 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:45,533 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:45,706 WARN L247 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/cohendiv-ll_valuebound2.c[576,589] [2024-09-11 20:48:45,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:45,748 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:45,790 WARN L247 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/cohendiv-ll_valuebound2.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:45,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:45,845 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:45,846 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45 WrapperNode [2024-09-11 20:48:45,847 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:45,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:45,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:45,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:45,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,886 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,900 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 [2024-09-11 20:48:45,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,918 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,921 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,927 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:45,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:45,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:45,932 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:45,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (1/1) ... [2024-09-11 20:48:45,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:45,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:45,963 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) [2024-09-11 20:48:45,965 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 [2024-09-11 20:48:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:46,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:46,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:46,090 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:46,094 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:48,052 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:48,127 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:48,128 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:48,153 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:48,154 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:48,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:48 BoogieIcfgContainer [2024-09-11 20:48:48,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:48,155 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:48,155 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:48,156 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:48,156 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:43" (1/4) ... [2024-09-11 20:48:48,157 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c13e54a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:48, skipping insertion in model container [2024-09-11 20:48:48,157 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:45" (2/4) ... [2024-09-11 20:48:48,158 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c13e54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:48, skipping insertion in model container [2024-09-11 20:48:48,158 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45" (3/4) ... [2024-09-11 20:48:48,158 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c13e54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:48, skipping insertion in model container [2024-09-11 20:48:48,158 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:48" (4/4) ... [2024-09-11 20:48:48,160 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound2.c [2024-09-11 20:48:48,163 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:48,164 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:48,164 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:48,165 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:48,165 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:48,165 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:48,165 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:48,165 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:48,165 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:48:48,166 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:48,166 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:48:48,166 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:48,166 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:48,166 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:48,166 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:48,167 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:48,233 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:48,234 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:48,235 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:48,236 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:48,237 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:48,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,252 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:48,254 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,254 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:48,254 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:48,254 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:48,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:48,276 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:48,322 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:48,322 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:48,322 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:48,323 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:48,323 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:48,323 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,345 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:48,345 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,345 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:48,345 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:48,345 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:48,350 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:48,352 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:48,384 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:48,385 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:48,385 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:48,385 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:48,385 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:48,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,395 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:48,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:48,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:48,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:48,396 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:48,645 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:48,698 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:48,699 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:48,699 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:48,699 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:48,699 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:48,699 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,717 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:48,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:48,718 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:48,718 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:48,718 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:48,718 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:52,862 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:52,923 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:52,923 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:52,924 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:52,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:52,924 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:52,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:52,932 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:52,932 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:52,932 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:52,933 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:52,933 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:52,933 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,123 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:53,172 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:53,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:53,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:53,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:53,172 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:53,172 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,186 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:53,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,186 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:53,186 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:53,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:53,186 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:57,306 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:48:57,359 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:57,360 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:57,360 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:57,360 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:57,360 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:57,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:57,382 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:57,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:57,383 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:57,383 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:57,383 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:57,383 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:01,584 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:01,650 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:01,651 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:01,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:01,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:01,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:01,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:01,664 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:01,664 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:01,664 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:01,664 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:01,664 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:01,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,774 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:05,839 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:49:05,839 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,840 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,840 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,840 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,855 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:49:05,856 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,856 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,856 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,856 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,857 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,865 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:05,876 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:05,877 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,877 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,877 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,877 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,907 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:05,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,908 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,908 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,908 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,915 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:10,133 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:10,206 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:10,206 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:10,206 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:10,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:10,206 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:10,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,210 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:10,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:10,211 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:10,211 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:10,211 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:10,211 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:14,330 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:14,388 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:14,388 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:14,388 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:14,388 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:14,389 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:14,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,396 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:14,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:14,397 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:14,397 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:14,397 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:14,399 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:14,409 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:14,410 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:14,410 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:14,410 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:14,410 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:14,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,413 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:14,413 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,413 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:14,413 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:14,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:14,414 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:14,415 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:14,425 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:14,425 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:14,425 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:14,425 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:14,425 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:14,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,427 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:14,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,427 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:14,427 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:14,427 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:14,427 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:14,429 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:14,432 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:49:14,433 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@c13e54a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:14, skipping insertion in model container [2024-09-11 20:49:14,433 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:14,434 INFO L158 Benchmark]: Toolchain (without parser) took 28948.84ms. Allocated memory is still 94.4MB. Free memory was 62.5MB in the beginning and 41.7MB in the end (delta: 20.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:14,435 INFO L158 Benchmark]: Witness Parser took 1.27ms. Allocated memory is still 60.8MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:14,435 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:14,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.97ms. Allocated memory is still 94.4MB. Free memory was 62.2MB in the beginning and 47.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:14,436 INFO L158 Benchmark]: Boogie Preprocessor took 83.10ms. Allocated memory is still 94.4MB. Free memory was 47.6MB in the beginning and 73.2MB in the end (delta: -25.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2024-09-11 20:49:14,437 INFO L158 Benchmark]: RCFGBuilder took 2222.58ms. Allocated memory is still 94.4MB. Free memory was 73.2MB in the beginning and 52.7MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:14,437 INFO L158 Benchmark]: Referee took 26277.84ms. Allocated memory is still 94.4MB. Free memory was 52.7MB in the beginning and 41.7MB in the end (delta: 11.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:14,440 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 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 47. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. 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 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 1.27ms. Allocated memory is still 60.8MB. Free memory was 33.0MB in the beginning and 32.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory is still 44.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.97ms. Allocated memory is still 94.4MB. Free memory was 62.2MB in the beginning and 47.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 83.10ms. Allocated memory is still 94.4MB. Free memory was 47.6MB in the beginning and 73.2MB in the end (delta: -25.7MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2222.58ms. Allocated memory is still 94.4MB. Free memory was 73.2MB in the beginning and 52.7MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 26277.84ms. Allocated memory is still 94.4MB. Free memory was 52.7MB in the beginning and 41.7MB in the end (delta: 11.0MB). Peak memory consumption was 23.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:14,545 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 Result: UNKNOWN