./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6908dde5 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:40,535 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:40,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:28:40,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:40,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:40,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:40,640 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:40,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:40,640 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:40,640 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:40,641 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:40,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:40,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:40,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:40,642 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:40,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:40,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:40,643 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:40,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:28:40,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:40,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:40,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:40,645 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:40,646 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:40,646 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:40,646 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:40,646 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:40,647 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:40,647 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:40,647 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:40,648 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:40,648 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:40,649 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:40,649 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:40,649 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:40,650 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:40,650 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:40,650 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:28:40,650 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:28:40,651 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:40,651 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:40,652 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:40,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:40,652 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:40,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:40,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:40,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:40,973 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:40,974 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:40,975 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-25 00:28:42,394 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:42,605 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:42,607 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-25 00:28:42,614 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/01224130e/61926b946c324e5ba05210162a27d1b4/FLAG94321c1bd [2024-09-25 00:28:42,631 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/01224130e/61926b946c324e5ba05210162a27d1b4 [2024-09-25 00:28:42,634 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:42,635 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:42,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-09-25 00:28:42,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:42,692 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:42,695 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:42,696 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:42,701 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:42,702 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:42" (1/2) ... [2024-09-25 00:28:42,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487b11e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:42, skipping insertion in model container [2024-09-25 00:28:42,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:42" (1/2) ... [2024-09-25 00:28:42,707 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@42a94237 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:42, skipping insertion in model container [2024-09-25 00:28:42,708 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:42" (2/2) ... [2024-09-25 00:28:42,708 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@487b11e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:42, skipping insertion in model container [2024-09-25 00:28:42,708 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:42" (2/2) ... [2024-09-25 00:28:42,722 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:42,725 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((\old(counter) == 0) && ((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (1 <= counter)) && (B == b)) && (q == 0)))) [2024-09-25 00:28:42,725 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && (((((A == r) && (counter == 0)) && (B == b)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 00:28:42,726 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:42,726 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:42,748 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:42,931 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2024-09-25 00:28:42,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:42,976 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:28:43,023 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:28:43,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:43,060 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:43,062 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:43 WrapperNode [2024-09-25 00:28:43,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:43,063 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:43,063 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:43,063 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:43,077 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,078 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,089 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,104 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 [2024-09-25 00:28:43,108 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,108 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,113 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,123 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,124 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,125 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,127 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:43,130 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:43,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:43,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:43,132 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 25.09 12:28:43" (1/1) ... [2024-09-25 00:28:43,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:43,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:43,168 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) [2024-09-25 00:28:43,170 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 [2024-09-25 00:28:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:43,219 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:43,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:43,221 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:28:43,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:28:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:28:43,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:43,302 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:43,308 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:43,392 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:43,576 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:43,591 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:43,621 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:43,621 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:43,622 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:43 BoogieIcfgContainer [2024-09-25 00:28:43,622 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:43,625 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:43,625 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:43,626 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:43,626 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:42" (1/4) ... [2024-09-25 00:28:43,628 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@533a8ff2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:43, skipping insertion in model container [2024-09-25 00:28:43,629 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:42" (2/4) ... [2024-09-25 00:28:43,629 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@533a8ff2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:43, skipping insertion in model container [2024-09-25 00:28:43,629 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 25.09 12:28:43" (3/4) ... [2024-09-25 00:28:43,629 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@533a8ff2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:43, skipping insertion in model container [2024-09-25 00:28:43,629 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:43" (4/4) ... [2024-09-25 00:28:43,631 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-25 00:28:43,636 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:43,637 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:28:43,637 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:43,637 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 00:28:43,638 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:43,638 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:43,638 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:43,638 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:43,642 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:43,642 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:28:43,642 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:28:43,642 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-25 00:28:43,713 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:28:43,714 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,715 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,715 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,716 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,797 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:28:43,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,798 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,798 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:43,824 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:43,848 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:43,851 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:43,851 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:43,852 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:43,852 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:43,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,866 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:43,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:43,867 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:43,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:43,868 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:43,868 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:47,872 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:47,888 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:28:47,888 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:47,888 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:47,888 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:47,888 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:47,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,891 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:28:47,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,891 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:47,891 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:47,891 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:47,892 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:47,900 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:47,913 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:47,913 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:47,914 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:47,914 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:47,914 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:47,914 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,922 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:47,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,923 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:47,923 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:47,923 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:47,923 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:47,927 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:47,937 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:47,937 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:47,938 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:47,938 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:47,938 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:47,938 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,939 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:47,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,939 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:47,939 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:47,940 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:47,940 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:47,942 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:47,952 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:47,952 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:47,952 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:47,952 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:47,952 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:47,952 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,955 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:47,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:47,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:47,956 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:47,956 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:47,958 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:47,969 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:47,969 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:47,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:47,970 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:47,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:47,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,972 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:47,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:47,972 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:47,972 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:47,973 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:47,973 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:47,974 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:47,986 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:47,987 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:47,987 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:47,987 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:47,987 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:47,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:48,003 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:48,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:48,003 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:48,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:48,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:48,007 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:48,011 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:48,023 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:28:48,023 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:48,024 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:48,024 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:48,024 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:48,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:48,047 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:28:48,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:48,048 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:48,048 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:48,048 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:48,054 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:48,058 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:48,069 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:28:48,069 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:48,069 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:48,069 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:48,070 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:48,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:48,083 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:28:48,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:48,083 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:48,084 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:48,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:48,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:52,091 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:28:52,097 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:28:52,098 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@533a8ff2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:52, skipping insertion in model container [2024-09-25 00:28:52,098 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:52,099 INFO L158 Benchmark]: Toolchain (without parser) took 9407.75ms. Allocated memory is still 148.9MB. Free memory was 113.4MB in the beginning and 57.2MB in the end (delta: 56.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2024-09-25 00:28:52,100 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 148.9MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:52,100 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:52,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.80ms. Allocated memory is still 148.9MB. Free memory was 113.4MB in the beginning and 98.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:52,101 INFO L158 Benchmark]: Boogie Preprocessor took 64.32ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:28:52,101 INFO L158 Benchmark]: RCFGBuilder took 493.70ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 111.9MB in the end (delta: -15.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 00:28:52,102 INFO L158 Benchmark]: Referee took 8473.13ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 57.2MB in the end (delta: 54.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-09-25 00:28:52,104 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 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. 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 loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 148.9MB. Free memory is still 109.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 148.9MB. Free memory is still 115.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.80ms. Allocated memory is still 148.9MB. Free memory was 113.4MB in the beginning and 98.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.32ms. Allocated memory is still 148.9MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.70ms. Allocated memory is still 148.9MB. Free memory was 96.7MB in the beginning and 111.9MB in the end (delta: -15.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8473.13ms. Allocated memory is still 148.9MB. Free memory was 111.9MB in the beginning and 57.2MB in the end (delta: 54.8MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:28:52,127 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/11.0.12-open/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_unwindbound2.i ../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:28:54,611 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:28:54,679 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:28:54,684 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:28:54,685 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:28:54,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:28:54,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:28:54,722 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:28:54,723 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:28:54,724 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:28:54,725 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:28:54,725 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:28:54,728 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:28:54,728 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:28:54,729 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:28:54,729 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:28:54,729 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:28:54,730 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:28:54,730 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:28:54,730 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:28:54,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:28:54,735 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:28:54,736 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:28:54,736 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:28:54,736 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:28:54,736 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:28:54,736 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:28:54,737 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:28:54,737 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:28:54,737 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:28:54,737 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:28:54,737 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:28:54,738 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:28:54,738 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:28:54,739 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:28:54,739 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:54,740 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:28:54,740 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:28:54,740 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:28:54,741 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:28:54,741 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:28:54,742 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:28:54,743 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:28:54,743 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:28:54,743 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:28:54,743 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:28:54,743 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:28:55,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:28:55,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:28:55,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:28:55,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:28:55,098 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:28:55,099 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-25 00:28:56,797 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:28:57,053 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:28:57,054 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i [2024-09-25 00:28:57,066 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d3a659d2e/d0a97dc465d8480eab0d5946410ea29e/FLAG37fdd0d4f [2024-09-25 00:28:57,085 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d3a659d2e/d0a97dc465d8480eab0d5946410ea29e [2024-09-25 00:28:57,087 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:28:57,088 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:28:57,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/divbin2_unwindbound2.yml/witness-2.1.yml [2024-09-25 00:28:57,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:28:57,153 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:28:57,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:57,155 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:28:57,161 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:28:57,162 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:57" (1/2) ... [2024-09-25 00:28:57,163 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe0237c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:57, skipping insertion in model container [2024-09-25 00:28:57,163 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:28:57" (1/2) ... [2024-09-25 00:28:57,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5e8bb48c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:28:57, skipping insertion in model container [2024-09-25 00:28:57,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:57" (2/2) ... [2024-09-25 00:28:57,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fe0237c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:57, skipping insertion in model container [2024-09-25 00:28:57,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:57" (2/2) ... [2024-09-25 00:28:57,176 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:28:57,177 INFO L1541 ArrayList]: Loop invariant at [L34-L37] ((\old(counter) == 0) && (((((A == r) && (counter == 0)) && (B == b)) && (q == 0)) || (((A == r) && (1 <= counter)) && (q == 0)))) [2024-09-25 00:28:57,177 INFO L1541 ArrayList]: Loop invariant at [L38-L47] ((\old(counter) == 0) && ((((2 <= counter) && (A == r)) && (q == 0)) || ((((A == r) && (1 <= counter)) && (B == b)) && (q == 0)))) [2024-09-25 00:28:57,177 INFO L1541 ArrayList]: Function contract at [L26]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 00:28:57,178 INFO L1541 ArrayList]: Function contract at [L18]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:28:57,198 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:28:57,379 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] [2024-09-25 00:28:57,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:57,419 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 00:28:57,471 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound2.i[951,964] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 00:28:57,491 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:28:57,510 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:28:57,511 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:28:57 WrapperNode [2024-09-25 00:28:57,511 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:28:57,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:28:57,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:28:57,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:28:57,526 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,527 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,536 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,551 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 [2024-09-25 00:28:57,552 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,552 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,557 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,565 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,571 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,572 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,575 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:28:57,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:28:57,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:28:57,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:28:57,579 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 25.09 12:28:57" (1/1) ... [2024-09-25 00:28:57,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:28:57,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:28:57,611 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) [2024-09-25 00:28:57,616 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 [2024-09-25 00:28:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:28:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:28:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:28:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:28:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:28:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:28:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:28:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:28:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-25 00:28:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-25 00:28:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:28:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:28:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:28:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:28:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:28:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:28:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:28:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:28:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:28:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:28:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:28:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:28:57,759 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:28:57,762 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:28:57,807 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:58,021 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:28:58,041 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:28:58,076 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:28:58,077 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 00:28:58,077 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:58 BoogieIcfgContainer [2024-09-25 00:28:58,077 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:28:58,078 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:28:58,078 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:28:58,082 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:28:58,083 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:28:57" (1/4) ... [2024-09-25 00:28:58,083 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fe9bb5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:28:58, skipping insertion in model container [2024-09-25 00:28:58,083 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:28:57" (2/4) ... [2024-09-25 00:28:58,084 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fe9bb5a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:58, skipping insertion in model container [2024-09-25 00:28:58,084 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 25.09 12:28:57" (3/4) ... [2024-09-25 00:28:58,084 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fe9bb5a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:28:58, skipping insertion in model container [2024-09-25 00:28:58,084 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:28:58" (4/4) ... [2024-09-25 00:28:58,086 INFO L79 RefereeObserver]: Analyzing ICFG divbin2_unwindbound2.i [2024-09-25 00:28:58,105 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 00:28:58,106 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr4ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 00:28:58,106 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:28:58,106 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 00:28:58,107 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-25 00:28:58,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:58,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:28:58,107 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:28:58,107 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:28:58,108 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-25 00:28:58,108 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 00:28:58,108 INFO L131 InvariantChecker]: Will check 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, 3 loop-free subgraphs from procedure entry to error location [2024-09-25 00:28:58,194 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 00:28:58,196 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,197 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,197 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,199 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,260 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 00:28:58,262 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,262 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,263 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,264 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,269 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,286 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr4ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:58,312 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 00:28:58,315 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,316 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,316 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,316 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,316 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,333 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 00:28:58,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,334 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,334 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,335 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,370 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:58,393 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 00:28:58,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,400 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 00:28:58,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,404 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,405 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,405 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,405 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,414 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:58,436 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 00:28:58,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,439 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,439 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,439 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,452 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 00:28:58,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,456 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,456 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,456 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,456 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,462 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:58,488 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:58,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,489 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,490 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:58,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,492 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,492 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,492 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,492 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,494 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:58,507 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:28:58,508 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,508 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,508 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,508 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,512 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:28:58,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,514 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,514 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,514 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,517 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:28:58,532 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:28:58,533 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,534 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,534 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,536 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:28:58,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,536 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,536 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,537 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,537 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,539 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:28:58,554 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:28:58,554 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,557 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,557 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,572 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:28:58,574 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,574 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,575 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,575 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,580 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,609 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-25 00:28:58,609 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,609 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,610 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,610 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,610 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,634 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-25 00:28:58,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,635 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,635 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,635 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,653 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:28:58,669 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 00:28:58,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:28:58,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:28:58,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:28:58,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:28:58,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,692 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 00:28:58,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:28:58,695 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:28:58,695 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:28:58,695 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:28:58,698 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:28:58,719 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:28:58,734 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-25 00:28:58,736 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4fe9bb5a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:28:58, skipping insertion in model container [2024-09-25 00:28:58,737 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:28:58,739 INFO L158 Benchmark]: Toolchain (without parser) took 1585.68ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 41.2MB in the beginning and 57.5MB in the end (delta: -16.3MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-09-25 00:28:58,740 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 22.7MB in the beginning and 22.6MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:58,740 INFO L158 Benchmark]: Witness Parser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:28:58,740 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.21ms. Allocated memory is still 67.1MB. Free memory was 41.0MB in the beginning and 44.6MB in the end (delta: -3.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-09-25 00:28:58,744 INFO L158 Benchmark]: Boogie Preprocessor took 63.78ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 42.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:28:58,745 INFO L158 Benchmark]: RCFGBuilder took 499.87ms. Allocated memory is still 67.1MB. Free memory was 42.4MB in the beginning and 27.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:28:58,745 INFO L158 Benchmark]: Referee took 658.69ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 27.4MB in the beginning and 57.5MB in the end (delta: -30.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-09-25 00:28:58,748 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=0, b=0, B=0, counter=2147483647, q=0, r=0 and ends in \old(counter)=0, A=0, B=0, b=0, counter=-2147483648, q=0, r=0. 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 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 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 entry of procedure main to loop head at line 34. 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 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: * CDTParser took 0.17ms. Allocated memory is still 46.1MB. Free memory was 22.7MB in the beginning and 22.6MB in the end (delta: 52.5kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.23ms. Allocated memory is still 67.1MB. Free memory is still 43.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 357.21ms. Allocated memory is still 67.1MB. Free memory was 41.0MB in the beginning and 44.6MB in the end (delta: -3.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.78ms. Allocated memory is still 67.1MB. Free memory was 44.6MB in the beginning and 42.4MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 499.87ms. Allocated memory is still 67.1MB. Free memory was 42.4MB in the beginning and 27.4MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 658.69ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 27.4MB in the beginning and 57.5MB in the end (delta: -30.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-25 00:28:58,790 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