./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound5.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/divbin2_unwindbound5.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound5.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 05:06:09,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:09,491 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:06:09,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:09,499 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:09,526 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:09,527 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:09,527 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:09,528 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:09,531 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:09,532 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:09,532 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:09,533 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:09,533 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:09,533 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:09,533 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:09,534 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:09,534 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:09,534 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:06:09,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:09,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:09,537 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:09,537 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:09,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:09,538 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:09,538 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:09,538 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:09,539 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:09,539 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:09,539 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:09,539 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:09,540 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:09,540 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:09,541 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:09,541 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:09,542 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:09,542 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:09,542 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:06:09,543 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:06:09,543 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:09,543 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:09,544 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:09,544 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:09,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:09,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:09,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:09,804 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:09,805 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:09,805 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:09,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2024-09-13 05:06:11,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:11,337 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:11,338 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2024-09-13 05:06:11,349 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0ebac0bbd/19ad62047b7a4d4891db62057d3a93a4/FLAG10be628e3 [2024-09-13 05:06:11,729 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0ebac0bbd/19ad62047b7a4d4891db62057d3a93a4 [2024-09-13 05:06:11,732 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:11,733 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:11,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound5.yml/witness-2.1.yml [2024-09-13 05:06:11,783 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:11,784 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:11,787 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:11,787 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:11,792 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:11,793 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:11" (1/2) ... [2024-09-13 05:06:11,794 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264866c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:11, skipping insertion in model container [2024-09-13 05:06:11,794 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:11" (1/2) ... [2024-09-13 05:06:11,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3dc792fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:11, skipping insertion in model container [2024-09-13 05:06:11,796 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 05:06:11" (2/2) ... [2024-09-13 05:06:11,797 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@264866c9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:11, skipping insertion in model container [2024-09-13 05:06:11,797 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 05:06:11" (2/2) ... [2024-09-13 05:06:11,810 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:11,813 INFO L1541 ArrayList]: Loop invariant at [L38-L47] (((((((((((((((A % 4294967296) <= 3) && (b == 2)) && (2 <= (A % 4294967296))) && (A == ((long long) r + 2))) && (B == 1)) && (4 <= counter)) && (q == 1)) || (((A == r) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (4 <= counter))) || ((((((2 <= counter) && (b == 2)) && (A == r)) && ((r % 4294967296) == 1)) && (q == 0)) && (B == 1))) || ((((((b == 1) && (A == ((long long) r + 1))) && ((A % 4294967296) <= 1)) && (B == 1)) && (q == 1)) && (3 <= counter))) || ((((((b == 4) && (A == r)) && ((r % 4294967296) <= 3)) && (q == 0)) && (B == 1)) && (3 <= counter))) || (((A % 4294967296) == ((r + ((unsigned long long) b * q)) % 4294967296)) && (5 <= counter))) && (\old(counter) == 0)) [2024-09-13 05:06:11,814 INFO L1541 ArrayList]: Loop invariant at [L34-L37] (((((((((b == 1) && (A == r)) && (counter == 0)) && (q == 0)) && (B == 1)) || ((((((b == 2) && (A == r)) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1)) && (counter == 1))) || (((A == r) && (q == 0)) && (3 <= counter))) || (((((2 <= counter) && (b == 4)) && (A == r)) && (q == 0)) && (B == 1))) && (\old(counter) == 0)) [2024-09-13 05:06:11,814 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:11,814 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:06:11,836 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:11,982 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/divbin2_unwindbound5.i[951,964] [2024-09-13 05:06:11,997 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:12,007 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:06:12,038 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/divbin2_unwindbound5.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 05:06:12,062 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:12,077 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:12,078 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:12 WrapperNode [2024-09-13 05:06:12,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:12,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:12,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:12,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:12,096 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,096 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,103 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,124 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:06:12,124 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,124 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,133 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,145 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,176 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,177 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:12,183 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:12,183 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:12,183 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:12,187 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 05:06:12" (1/1) ... [2024-09-13 05:06:12,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:12,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:12,221 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 05:06:12,224 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 05:06:12,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:12,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:12,275 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:12,277 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:12,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:12,277 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:06:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:06:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:06:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:06:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:06:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:12,340 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:12,342 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:12,386 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:12,623 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:12,642 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:12,672 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:12,672 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:12,673 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:12 BoogieIcfgContainer [2024-09-13 05:06:12,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:12,674 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:12,674 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:12,675 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:12,675 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:11" (1/4) ... [2024-09-13 05:06:12,675 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1afea12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:12, skipping insertion in model container [2024-09-13 05:06:12,675 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 05:06:11" (2/4) ... [2024-09-13 05:06:12,676 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1afea12e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:12, skipping insertion in model container [2024-09-13 05:06:12,676 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 05:06:12" (3/4) ... [2024-09-13 05:06:12,676 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1afea12e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:12, skipping insertion in model container [2024-09-13 05:06:12,676 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 05:06:12" (4/4) ... [2024-09-13 05:06:12,677 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound5.i [2024-09-13 05:06:12,680 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:12,681 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:06:12,681 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:12,681 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:06:12,681 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:12,681 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 05:06:12,681 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 05:06:12,681 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 05:06:12,682 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:12,682 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:06:12,682 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:06:12,682 INFO L130 InvariantChecker]: Will check 3 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, 3 loop-free subgraphs from loop head to loop head [2024-09-13 05:06:12,751 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:06:12,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:12,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:12,754 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:12,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:12,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:12,842 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:06:12,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:12,844 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:12,844 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:12,844 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:12,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:12,859 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:12,881 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:12,881 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:12,881 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:12,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:12,882 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:12,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:12,897 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:12,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:12,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:12,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:12,898 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:12,898 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,906 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:16,923 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:06:16,923 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,924 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,924 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,927 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:06:16,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,928 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:16,928 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:16,928 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:16,928 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,934 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:16,949 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:16,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,949 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,949 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,950 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,961 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:16,961 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,961 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:16,961 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:16,962 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:16,962 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,967 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:16,980 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:16,981 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,983 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:16,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:16,983 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:16,983 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:16,983 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:16,983 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:16,985 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:16,998 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:16,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:16,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:16,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:16,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:16,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,001 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:17,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,002 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,002 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,002 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,005 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:17,020 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:17,020 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,021 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,021 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,022 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:17,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,023 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,025 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:17,043 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:17,043 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,044 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,044 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,075 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:17,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,076 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,076 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,077 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,092 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:17,111 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:06:17,112 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,112 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,112 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,113 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,113 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,157 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:06:17,157 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,158 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,158 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,158 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,168 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:17,220 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:17,233 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:06:17,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:17,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:17,234 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:17,234 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:17,234 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,255 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:06:17,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:17,255 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:17,256 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:17,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:17,262 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:21,270 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:21,275 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:06:21,276 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1afea12e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:21, skipping insertion in model container [2024-09-13 05:06:21,276 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:21,278 INFO L158 Benchmark]: Toolchain (without parser) took 9493.33ms. Allocated memory was 159.4MB in the beginning and 239.1MB in the end (delta: 79.7MB). Free memory was 85.3MB in the beginning and 105.4MB in the end (delta: -20.0MB). Peak memory consumption was 60.3MB. Max. memory is 16.1GB. [2024-09-13 05:06:21,279 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:21,279 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:21,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.34ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 70.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:06:21,280 INFO L158 Benchmark]: Boogie Preprocessor took 103.44ms. Allocated memory is still 159.4MB. Free memory was 70.6MB in the beginning and 128.6MB in the end (delta: -57.9MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:21,281 INFO L158 Benchmark]: RCFGBuilder took 490.24ms. Allocated memory was 159.4MB in the beginning and 239.1MB in the end (delta: 79.7MB). Free memory was 128.5MB in the beginning and 191.9MB in the end (delta: -63.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. [2024-09-13 05:06:21,281 INFO L158 Benchmark]: Referee took 8602.68ms. Allocated memory is still 239.1MB. Free memory was 191.9MB in the beginning and 105.4MB in the end (delta: 86.5MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:21,283 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __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 34 to loop head at line 34. 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 34 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 159.4MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.34ms. Allocated memory is still 159.4MB. Free memory was 85.0MB in the beginning and 70.6MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 103.44ms. Allocated memory is still 159.4MB. Free memory was 70.6MB in the beginning and 128.6MB in the end (delta: -57.9MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * RCFGBuilder took 490.24ms. Allocated memory was 159.4MB in the beginning and 239.1MB in the end (delta: 79.7MB). Free memory was 128.5MB in the beginning and 191.9MB in the end (delta: -63.4MB). Peak memory consumption was 21.9MB. Max. memory is 16.1GB. * Referee took 8602.68ms. Allocated memory is still 239.1MB. Free memory was 191.9MB in the beginning and 105.4MB in the end (delta: 86.5MB). Peak memory consumption was 86.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:21,308 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound5.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 05:06:23,473 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:06:23,564 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:06:23,570 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:06:23,570 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:06:23,604 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:06:23,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:06:23,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:06:23,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:06:23,608 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:06:23,608 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:06:23,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:06:23,609 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:06:23,610 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:06:23,610 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:06:23,610 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:06:23,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:06:23,615 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:06:23,616 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:06:23,616 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:06:23,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:06:23,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:06:23,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:06:23,621 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:06:23,621 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:06:23,621 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:06:23,622 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:06:23,622 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:06:23,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:06:23,622 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:06:23,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:06:23,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:06:23,623 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:06:23,623 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:06:23,623 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:06:23,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:23,624 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:06:23,624 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:06:23,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:06:23,625 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:06:23,625 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:06:23,626 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:06:23,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:06:23,626 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:06:23,627 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:06:23,627 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:06:23,628 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:06:23,920 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:06:23,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:06:23,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:06:23,940 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:06:23,941 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:06:23,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound5.yml/witness-2.1.yml [2024-09-13 05:06:24,003 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:06:24,004 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:06:24,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2024-09-13 05:06:25,569 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:06:25,741 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:06:25,741 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound5.i [2024-09-13 05:06:25,749 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/742f8c9f9/63c2e0e6b2584deba4c337b898d36e03/FLAG59b050d7e [2024-09-13 05:06:26,141 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/742f8c9f9/63c2e0e6b2584deba4c337b898d36e03 [2024-09-13 05:06:26,141 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:06:26,143 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:06:26,144 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:26,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:06:26,149 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:06:26,149 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 05:06:24" (1/2) ... [2024-09-13 05:06:26,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed5d8d8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:26, skipping insertion in model container [2024-09-13 05:06:26,150 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 05:06:24" (1/2) ... [2024-09-13 05:06:26,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f705395 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:06:26, skipping insertion in model container [2024-09-13 05:06:26,152 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:26" (2/2) ... [2024-09-13 05:06:26,152 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ed5d8d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26, skipping insertion in model container [2024-09-13 05:06:26,153 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:06:26" (2/2) ... [2024-09-13 05:06:26,164 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:06:26,165 INFO L1541 ArrayList]: Loop invariant at [L34-L37] (((((((((b == 1) && (A == r)) && (counter == 0)) && (q == 0)) && (B == 1)) || ((((((b == 2) && (A == r)) && (1 <= (r % 4294967296))) && (q == 0)) && (B == 1)) && (counter == 1))) || (((A == r) && (q == 0)) && (3 <= counter))) || (((((2 <= counter) && (b == 4)) && (A == r)) && (q == 0)) && (B == 1))) && (\old(counter) == 0)) [2024-09-13 05:06:26,165 INFO L1541 ArrayList]: Loop invariant at [L38-L47] (((((((((((((((A % 4294967296) <= 3) && (b == 2)) && (2 <= (A % 4294967296))) && (A == ((long long) r + 2))) && (B == 1)) && (4 <= counter)) && (q == 1)) || (((A == r) && (B == b)) && (q == 0))) || (((A == r) && (q == 0)) && (4 <= counter))) || ((((((2 <= counter) && (b == 2)) && (A == r)) && ((r % 4294967296) == 1)) && (q == 0)) && (B == 1))) || ((((((b == 1) && (A == ((long long) r + 1))) && ((A % 4294967296) <= 1)) && (B == 1)) && (q == 1)) && (3 <= counter))) || ((((((b == 4) && (A == r)) && ((r % 4294967296) <= 3)) && (q == 0)) && (B == 1)) && (3 <= counter))) || (((A % 4294967296) == ((r + ((unsigned long long) b * q)) % 4294967296)) && (5 <= counter))) && (\old(counter) == 0)) [2024-09-13 05:06:26,165 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:06:26,165 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:06:26,181 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:06:26,336 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/divbin2_unwindbound5.i[951,964] [2024-09-13 05:06:26,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:26,374 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:06:26,413 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/divbin2_unwindbound5.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-13 05:06:26,452 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:06:26,470 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:06:26,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26 WrapperNode [2024-09-13 05:06:26,471 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:06:26,472 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:06:26,472 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:06:26,472 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:06:26,484 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,514 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:06:26,514 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,518 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,532 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:06:26,553 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:06:26,553 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:06:26,553 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:06:26,554 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (1/1) ... [2024-09-13 05:06:26,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:06:26,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:06:26,595 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 05:06:26,599 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 05:06:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:06:26,642 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:06:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:06:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:06:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:06:26,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:06:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:06:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:06:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:06:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:06:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:06:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:06:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:06:26,643 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:06:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:06:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:06:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:06:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:06:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:06:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:06:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:06:26,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:06:26,728 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:06:26,731 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:06:26,782 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:27,070 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:06:27,081 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:06:27,107 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:06:27,107 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 05:06:27,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:27 BoogieIcfgContainer [2024-09-13 05:06:27,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:06:27,111 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:06:27,111 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:06:27,112 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:06:27,112 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 05:06:24" (1/4) ... [2024-09-13 05:06:27,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@237c70f3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:06:27, skipping insertion in model container [2024-09-13 05:06:27,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:06:26" (2/4) ... [2024-09-13 05:06:27,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@237c70f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:27, skipping insertion in model container [2024-09-13 05:06:27,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:06:26" (3/4) ... [2024-09-13 05:06:27,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@237c70f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:06:27, skipping insertion in model container [2024-09-13 05:06:27,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:06:27" (4/4) ... [2024-09-13 05:06:27,119 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound5.i [2024-09-13 05:06:27,122 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 05:06:27,123 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 05:06:27,123 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:06:27,123 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:06:27,123 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:06:27,124 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 05:06:27,124 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 05:06:27,124 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 05:06:27,124 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:06:27,124 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 05:06:27,124 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:06:27,125 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-13 05:06:27,189 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:06:27,192 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,192 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,194 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,197 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,304 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:06:27,305 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,305 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,305 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,306 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,309 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,323 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:27,345 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:06:27,345 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,345 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,345 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,346 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,361 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:06:27,364 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,365 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,365 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,365 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,365 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,405 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:27,427 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:06:27,427 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,429 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,429 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,432 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:06:27,432 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,432 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,432 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,433 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,440 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:27,456 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:06:27,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,456 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,457 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,470 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:06:27,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,473 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,473 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,480 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:27,494 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:27,494 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,494 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,495 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,495 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,497 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:27,497 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,497 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,498 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,498 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,500 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:06:27,517 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:06:27,517 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,518 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,518 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,518 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,522 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:06:27,522 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,523 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,523 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,523 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,524 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,525 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:06:27,537 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:06:27,537 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,537 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,538 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,538 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,539 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:06:27,539 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,539 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,541 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:06:27,551 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:06:27,551 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,551 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,551 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,567 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:06:27,568 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,568 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,568 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,568 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,573 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,604 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:06:27,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,604 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,632 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:06:27,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,632 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,632 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,647 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:27,866 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:06:27,887 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:06:27,887 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:06:27,888 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:06:27,888 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:06:27,888 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:06:27,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,907 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:06:27,908 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:06:27,908 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:06:27,908 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:06:27,908 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:06:27,913 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:06:31,928 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:06:31,944 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-13 05:06:31,944 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@237c70f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:06:31, skipping insertion in model container [2024-09-13 05:06:31,944 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:06:31,946 INFO L158 Benchmark]: Toolchain (without parser) took 5802.72ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 59.2MB in the beginning and 69.6MB in the end (delta: -10.4MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:31,947 INFO L158 Benchmark]: Witness Parser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:31,947 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 58.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:06:31,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.86ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 66.0MB in the end (delta: -7.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:06:31,948 INFO L158 Benchmark]: Boogie Preprocessor took 76.91ms. Allocated memory is still 88.1MB. Free memory was 66.0MB in the beginning and 63.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:06:31,949 INFO L158 Benchmark]: RCFGBuilder took 558.15ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 46.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 05:06:31,949 INFO L158 Benchmark]: Referee took 4833.14ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 46.2MB in the beginning and 69.6MB in the end (delta: -23.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-09-13 05:06:31,952 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 34 to loop head at line 38. One counterexample starts in \old(counter)=0, A=11, B=1, b=4, counter=2147483647, q=0, r=11 and ends in \old(counter)=0, A=11, b=4, B=1, counter=-2147483648, q=0, r=11. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.36ms. Allocated memory is still 62.9MB. Free memory is still 32.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 62.9MB. Free memory was 45.3MB in the beginning and 45.2MB in the end (delta: 58.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 327.86ms. Allocated memory is still 88.1MB. Free memory was 59.0MB in the beginning and 66.0MB in the end (delta: -7.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.91ms. Allocated memory is still 88.1MB. Free memory was 66.0MB in the beginning and 63.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 558.15ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 46.2MB in the end (delta: 17.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Referee took 4833.14ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 46.2MB in the beginning and 69.6MB in the end (delta: -23.4MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:06:32,018 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