./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 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/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:06:26,468 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:26,538 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:06:26,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:26,543 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:26,568 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:26,568 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:26,569 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:26,569 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:26,570 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:26,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:26,571 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:26,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:26,573 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:26,573 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:26,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:26,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:26,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:26,574 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:06:26,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:26,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:26,578 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:26,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:26,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:26,579 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:26,579 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:26,579 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:26,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:26,580 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:26,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:26,580 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:26,581 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:26,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:26,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:26,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:26,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:26,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:26,582 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:06:26,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:06:26,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:26,583 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:26,584 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:26,584 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:26,585 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:26,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:26,837 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:26,840 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:26,841 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:26,842 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:26,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-13 05:06:26,926 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:26,927 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:26,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-13 05:06:28,350 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:28,544 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:28,544 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-13 05:06:28,552 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8a6553c0d/1f7f0335256b4540b56a59aefa6ee6d3/FLAG903a01127 [2024-09-13 05:06:28,924 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8a6553c0d/1f7f0335256b4540b56a59aefa6ee6d3 [2024-09-13 05:06:28,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:28,926 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:28,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:28,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:28,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:28,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:26" (1/2) ... [2024-09-13 05:06:28,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341eac3a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:28, skipping insertion in model container [2024-09-13 05:06:28,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:26" (1/2) ... [2024-09-13 05:06:28,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28a34999 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:28, skipping insertion in model container [2024-09-13 05:06:28,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:28" (2/2) ... [2024-09-13 05:06:28,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341eac3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:28, skipping insertion in model container [2024-09-13 05:06:28,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:28" (2/2) ... [2024-09-13 05:06:28,950 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:28,950 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-13 05:06:28,950 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-13 05:06:28,951 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:28,951 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:06:28,951 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:06:28,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:29,115 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/divbin_unwindbound1.i[950,963] [2024-09-13 05:06:29,133 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:29,141 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:06:29,193 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/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 05:06:29,207 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:29,224 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:29,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29 WrapperNode [2024-09-13 05:06:29,225 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:29,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:29,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:29,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:29,238 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,257 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 [2024-09-13 05:06:29,259 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,265 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,272 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,274 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,275 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:29,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:29,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:29,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:29,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (1/1) ... [2024-09-13 05:06:29,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:29,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:29,314 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) [2024-09-13 05:06:29,320 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 [2024-09-13 05:06:29,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:29,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:29,358 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:29,358 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:29,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:29,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:29,359 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:06:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:06:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:29,360 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:06:29,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:06:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:06:29,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:29,425 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:29,427 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:29,450 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:29,468 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:29,572 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:29,584 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:29,615 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:29,616 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:29,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:29 BoogieIcfgContainer [2024-09-13 05:06:29,617 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:29,617 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:29,617 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:29,618 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:29,618 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:26" (1/4) ... [2024-09-13 05:06:29,619 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@447bb78b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:29, skipping insertion in model container [2024-09-13 05:06:29,619 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:28" (2/4) ... [2024-09-13 05:06:29,619 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@447bb78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:29, skipping insertion in model container [2024-09-13 05:06:29,619 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:29" (3/4) ... [2024-09-13 05:06:29,619 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@447bb78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:29, skipping insertion in model container [2024-09-13 05:06:29,619 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:29" (4/4) ... [2024-09-13 05:06:29,621 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-13 05:06:29,624 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:29,625 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:29,625 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:06:29,625 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:06:29,625 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:29,626 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:06:29,626 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:29,626 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:29,626 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:06:29,626 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:29,626 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:29,627 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:29,627 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:29,627 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:29,627 INFO L130 InvariantChecker]: Will check 6 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-13 05:06:29,689 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:06:29,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:29,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:29,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:29,692 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:29,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:29,702 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:06:29,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:29,703 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:29,703 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:29,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:29,706 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:29,719 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:29,755 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:06:29,755 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:29,755 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:29,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:29,756 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:29,756 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:29,788 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:06:29,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:29,789 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:29,789 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:29,789 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:29,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:33,801 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:33,824 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:06:33,824 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:33,825 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:33,826 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:33,826 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:33,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,829 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:06:33,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,829 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:33,830 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:33,830 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:33,830 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:33,833 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:33,856 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:33,856 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:33,857 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:33,857 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:33,857 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:33,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,859 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:33,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:33,859 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:33,859 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:33,859 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:33,861 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:33,873 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:06:33,873 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:33,874 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:33,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:33,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:33,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,898 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:06:33,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:33,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:33,898 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:33,904 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:33,909 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:33,923 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:33,923 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:33,923 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:33,923 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:33,923 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:33,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,934 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:33,935 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,935 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:33,935 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:33,936 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:33,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:33,943 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:33,956 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:33,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:33,957 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:33,958 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:33,958 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:33,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,964 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:33,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:33,965 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:33,965 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:33,965 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:33,965 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:33,968 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:33,981 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:06:33,982 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:33,982 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:33,982 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:33,983 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:33,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,001 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:06:34,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:34,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:34,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:34,005 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:34,006 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:34,017 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:34,017 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:34,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:34,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:34,019 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:34,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,020 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:34,020 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,020 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:34,020 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:34,020 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:34,021 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:34,023 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:34,036 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:34,037 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:34,037 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:34,038 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:34,038 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:34,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,041 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:34,042 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,042 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:34,042 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:34,042 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:34,042 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:34,045 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:34,056 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:34,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:34,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:34,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:34,057 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:34,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,063 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:34,067 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,067 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:34,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:34,068 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:34,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:34,070 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:34,081 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:34,085 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:34,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:34,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:34,085 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:34,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,089 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:34,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,090 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:34,090 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:34,090 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:34,091 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:34,093 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:34,104 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:34,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:34,104 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:34,105 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:34,105 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:34,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,106 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:34,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:34,107 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:34,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:34,107 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:34,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:34,109 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:34,113 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:06:34,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@447bb78b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:34, skipping insertion in model container [2024-09-13 05:06:34,113 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:34,115 INFO L158 Benchmark]: Toolchain (without parser) took 5187.94ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 74.7MB in the beginning and 111.1MB in the end (delta: -36.4MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:34,115 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:34,116 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:34,116 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.68ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 74.5MB in the beginning and 189.7MB in the end (delta: -115.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:34,117 INFO L158 Benchmark]: Boogie Preprocessor took 54.34ms. Allocated memory is still 220.2MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:34,117 INFO L158 Benchmark]: RCFGBuilder took 335.87ms. Allocated memory is still 220.2MB. Free memory was 187.6MB in the beginning and 171.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:34,118 INFO L158 Benchmark]: Referee took 4495.86ms. Allocated memory is still 220.2MB. Free memory was 171.9MB in the beginning and 111.1MB in the end (delta: 60.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-09-13 05:06:34,120 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 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 20. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. 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 40 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 40. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 146.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 146.8MB. Free memory is still 119.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.68ms. Allocated memory was 146.8MB in the beginning and 220.2MB in the end (delta: 73.4MB). Free memory was 74.5MB in the beginning and 189.7MB in the end (delta: -115.2MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.34ms. Allocated memory is still 220.2MB. Free memory was 189.7MB in the beginning and 187.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 335.87ms. Allocated memory is still 220.2MB. Free memory was 187.6MB in the beginning and 171.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4495.86ms. Allocated memory is still 220.2MB. Free memory was 171.9MB in the beginning and 111.1MB in the end (delta: 60.8MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:34,140 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:06:36,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:36,510 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:06:36,516 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:36,516 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:36,546 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:36,547 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:36,547 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:36,548 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:36,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:36,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:36,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:36,553 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:36,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:36,553 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:36,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:36,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:36,554 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:36,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:36,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:36,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:36,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:36,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:36,559 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:06:36,559 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:06:36,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:36,559 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:06:36,560 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:36,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:36,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:36,561 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:36,561 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:36,561 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:36,561 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:36,561 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:36,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:36,562 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:36,563 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:36,564 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:36,564 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:06:36,564 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:06:36,564 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:36,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:36,565 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:36,565 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:36,566 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:06:36,566 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:36,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:36,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:36,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:36,901 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:36,902 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:36,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-13 05:06:38,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:38,496 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:38,497 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin_unwindbound1.i [2024-09-13 05:06:38,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/753072ab9/0a60db8d022c49b99c8b70fb169adc7e/FLAG58f2256d5 [2024-09-13 05:06:38,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/753072ab9/0a60db8d022c49b99c8b70fb169adc7e [2024-09-13 05:06:38,517 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:38,517 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:38,518 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin_unwindbound1.yml/witness-2.1.yml [2024-09-13 05:06:38,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:38,570 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:38,572 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:38,572 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:38,577 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:38,578 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:38" (1/2) ... [2024-09-13 05:06:38,581 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1d9738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:38, skipping insertion in model container [2024-09-13 05:06:38,582 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:38" (1/2) ... [2024-09-13 05:06:38,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6906d067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:38, skipping insertion in model container [2024-09-13 05:06:38,583 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:38" (2/2) ... [2024-09-13 05:06:38,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f1d9738 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:38, skipping insertion in model container [2024-09-13 05:06:38,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:38" (2/2) ... [2024-09-13 05:06:38,597 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:38,598 INFO L1541 ArrayList]: Loop invariant at [L40-L49] ((((A == r) && (1 <= counter)) && (\old(counter) == 0)) && (q == 0)) [2024-09-13 05:06:38,598 INFO L1541 ArrayList]: Loop invariant at [L36-L39] ((\old(counter) == 0) && ((((A == r) && (counter == 0)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-13 05:06:38,598 INFO L1541 ArrayList]: Function contract at [L15]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:06:38,598 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:38,599 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:06:38,617 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:38,795 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/divbin_unwindbound1.i[950,963] [2024-09-13 05:06:38,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:38,831 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:06:38,869 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/divbin_unwindbound1.i[950,963] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 05:06:38,887 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:38,905 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:38,906 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:38 WrapperNode [2024-09-13 05:06:38,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:38,908 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:38,908 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:38,908 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:38,922 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,922 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,931 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,944 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 [2024-09-13 05:06:38,944 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,945 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,956 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,960 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,966 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,967 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,973 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:38,974 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:38,974 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:38,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:38,975 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 13.09 05:06:38" (1/1) ... [2024-09-13 05:06:38,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:38,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:39,004 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) [2024-09-13 05:06:39,011 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 [2024-09-13 05:06:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:39,050 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:39,051 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:39,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:06:39,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:39,131 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:39,133 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:39,161 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:39,194 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:39,392 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:39,405 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:39,427 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:39,427 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:39,428 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:39 BoogieIcfgContainer [2024-09-13 05:06:39,428 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:39,429 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:39,429 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:39,430 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:39,430 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:38" (1/4) ... [2024-09-13 05:06:39,430 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d57d3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:39, skipping insertion in model container [2024-09-13 05:06:39,430 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:06:38" (2/4) ... [2024-09-13 05:06:39,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d57d3c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:39, skipping insertion in model container [2024-09-13 05:06:39,431 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 13.09 05:06:38" (3/4) ... [2024-09-13 05:06:39,431 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d57d3c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:39, skipping insertion in model container [2024-09-13 05:06:39,431 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:39" (4/4) ... [2024-09-13 05:06:39,432 INFO L79 RefereeObserver]: Analyzing ICFG divbin_unwindbound1.i [2024-09-13 05:06:39,437 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:39,438 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:39,439 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:06:39,439 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:06:39,439 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:39,440 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:06:39,440 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:39,440 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:39,440 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr6ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:06:39,441 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:39,441 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:39,441 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-4 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:39,441 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:06:39,441 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:06:39,442 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 6 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:06:39,497 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:06:39,499 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,502 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,515 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:06:39,516 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,517 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,517 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,520 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,534 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:39,559 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:06:39,559 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,559 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,559 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,559 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,587 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:06:39,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,587 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,587 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,587 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,593 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,598 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:39,613 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:06:39,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,613 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,613 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,613 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,614 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:06:39,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,615 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,615 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,615 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,615 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,617 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:39,630 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:39,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,631 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,632 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:39,634 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,634 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,634 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,634 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,634 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,636 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:39,649 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:06:39,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,649 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,649 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,693 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:06:39,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,694 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,702 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,706 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:39,723 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:39,724 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,724 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,724 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,725 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,735 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:39,735 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,736 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,736 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,736 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,738 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,769 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:39,769 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,769 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,769 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,769 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,769 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,774 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:39,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,774 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,775 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,776 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,778 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:39,790 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:06:39,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,791 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,792 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,811 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:06:39,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,812 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,813 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,815 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr6ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:39,826 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:39,827 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,827 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,827 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,828 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:39,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,828 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,828 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,829 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,829 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,831 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:39,848 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:39,848 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,848 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,848 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,848 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,852 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:39,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,853 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,853 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,853 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,856 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:39,867 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:39,867 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,867 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,868 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,868 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,877 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:39,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,878 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,879 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,879 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,883 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-4 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:39,894 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:39,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,894 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,894 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,894 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,897 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:39,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,897 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,898 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,900 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:39,912 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:39,912 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:39,912 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:39,912 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:39,912 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:39,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,913 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:39,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:39,913 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:39,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:39,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:39,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:39,916 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:39,923 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 05:06:39,923 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59d57d3c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:39, skipping insertion in model container [2024-09-13 05:06:39,923 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:39,926 INFO L158 Benchmark]: Toolchain (without parser) took 1353.99ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 37.3MB in the beginning and 48.2MB in the end (delta: -10.9MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-13 05:06:39,926 INFO L158 Benchmark]: CDTParser took 0.84ms. Allocated memory is still 54.5MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:39,927 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:39,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.89ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 40.6MB in the end (delta: -3.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-09-13 05:06:39,929 INFO L158 Benchmark]: Boogie Preprocessor took 65.78ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 38.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 05:06:39,929 INFO L158 Benchmark]: RCFGBuilder took 454.22ms. Allocated memory is still 71.3MB. Free memory was 38.1MB in the beginning and 47.1MB in the end (delta: -9.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:39,930 INFO L158 Benchmark]: Referee took 494.87ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.1MB in the beginning and 48.2MB in the end (delta: -1.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:39,933 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 36 to loop head at line 40. One counterexample starts in \old(counter)=0, A=0, b=1, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, b=1, counter=-2147483648, q=0, r=0. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 40 to loop head at line 40. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 41. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 20. Annotation is valid for all loop-free paths from loop head at line 40 to check that procedure precondition always holds at line 40. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 31. 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 40 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84ms. Allocated memory is still 54.5MB. Free memory is still 37.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 71.3MB. Free memory is still 39.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.89ms. Allocated memory is still 71.3MB. Free memory was 37.0MB in the beginning and 40.6MB in the end (delta: -3.6MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.78ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 38.1MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 454.22ms. Allocated memory is still 71.3MB. Free memory was 38.1MB in the beginning and 47.1MB in the end (delta: -9.0MB). Peak memory consumption was 15.0MB. Max. memory is 16.1GB. * Referee took 494.87ms. Allocated memory was 71.3MB in the beginning and 86.0MB in the end (delta: 14.7MB). Free memory was 47.1MB in the beginning and 48.2MB in the end (delta: -1.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:39,965 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE