./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f1d7dc9d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound20.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-f1d7dc9-m [2024-09-20 13:27:03,626 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:03,693 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:27:03,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:03,698 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:03,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:03,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:03,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:03,737 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:03,738 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:03,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:03,739 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:03,739 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:03,740 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:03,740 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:03,741 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:03,741 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:03,741 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:03,741 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:27:03,741 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:03,742 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:03,744 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:03,744 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:03,744 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:03,744 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:03,745 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:03,745 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:03,745 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:03,745 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:03,745 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:03,745 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:03,746 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:03,746 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:03,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:03,746 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:03,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:03,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:03,747 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:27:03,747 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:27:03,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:03,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:03,748 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:03,749 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:03,749 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:03,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:03,982 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:03,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:03,986 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:03,987 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:03,988 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound20.yml/witness-2.1.yml [2024-09-20 13:27:04,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:04,038 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:04,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c [2024-09-20 13:27:05,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:05,610 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:05,612 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c [2024-09-20 13:27:05,619 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/3eb9cb190/e2dbeb91e500482f81761ca58d59ea80/FLAG2f47fb175 [2024-09-20 13:27:05,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/3eb9cb190/e2dbeb91e500482f81761ca58d59ea80 [2024-09-20 13:27:05,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:05,640 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:05,641 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:05,643 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:05,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:05,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:04" (1/2) ... [2024-09-20 13:27:05,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7203d904 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:05, skipping insertion in model container [2024-09-20 13:27:05,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:04" (1/2) ... [2024-09-20 13:27:05,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@471facb5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:05, skipping insertion in model container [2024-09-20 13:27:05,650 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:05" (2/2) ... [2024-09-20 13:27:05,651 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7203d904 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05, skipping insertion in model container [2024-09-20 13:27:05,651 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:05" (2/2) ... [2024-09-20 13:27:05,658 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:05,658 INFO L1541 ArrayList]: Loop invariant at [L47-L59] (((((((__int128) q * y) + r) == x) && (1 <= r)) && (((((__int128) q * y) + r) + ((__int128) a * y)) == ((__int128) b + x))) && (1 <= y)) [2024-09-20 13:27:05,658 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((__int128) q * y) + r) == x) && (((((__int128) q * y) + r) + ((__int128) a * y)) == ((__int128) b + x))) && (1 <= y)) [2024-09-20 13:27:05,658 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-20 13:27:05,659 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-20 13:27:05,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:05,806 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/cohendiv-ll_valuebound20.c[576,589] [2024-09-20 13:27:05,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:05,847 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 13:27:05,880 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/cohendiv-ll_valuebound20.c[576,589] Start Parsing Local Start Parsing Local [2024-09-20 13:27:05,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:05,908 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:05,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05 WrapperNode [2024-09-20 13:27:05,909 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:05,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:05,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:05,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:05,919 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,927 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,938 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:27:05,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,941 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,943 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,944 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,945 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,946 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:05,947 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:05,947 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:05,947 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:05,947 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (1/1) ... [2024-09-20 13:27:05,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:05,957 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:05,971 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) [2024-09-20 13:27:05,972 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 [2024-09-20 13:27:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:06,005 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:06,006 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:27:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:27:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:27:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:27:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:06,057 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:06,059 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:06,168 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:06,180 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:06,201 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:06,202 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-20 13:27:06,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:06 BoogieIcfgContainer [2024-09-20 13:27:06,202 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:06,203 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:06,203 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:06,203 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:06,204 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:04" (1/4) ... [2024-09-20 13:27:06,204 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f8fb7cb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:06, skipping insertion in model container [2024-09-20 13:27:06,204 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:05" (2/4) ... [2024-09-20 13:27:06,204 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f8fb7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:06, skipping insertion in model container [2024-09-20 13:27:06,205 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:05" (3/4) ... [2024-09-20 13:27:06,205 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f8fb7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:06, skipping insertion in model container [2024-09-20 13:27:06,205 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:06" (4/4) ... [2024-09-20 13:27:06,206 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound20.c [2024-09-20 13:27:06,209 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-20 13:27:06,210 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:06,211 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:27:06,211 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:06,211 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 13:27:06,212 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:06,212 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:06,212 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-20 13:27:06,212 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 13:27:06,212 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 13:27:06,212 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-20 13:27:06,212 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:06,213 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:06,213 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:06,213 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:06,213 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-20 13:27:06,259 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 13:27:06,260 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,260 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,261 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,268 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,269 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,277 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 13:27:06,277 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,278 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,278 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,278 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,281 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,294 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:06,312 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:27:06,313 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,313 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,313 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,313 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,313 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,324 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:27:06,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,325 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,326 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:06,373 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:06,382 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,382 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,382 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,383 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,383 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,397 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:06,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,401 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,411 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:06,443 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:27:06,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,448 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,449 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,482 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:27:06,482 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,482 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,483 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,483 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,483 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,489 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:06,513 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:06,514 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,514 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,522 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:06,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,527 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,527 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,529 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:06,546 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:06,546 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,546 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,546 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,547 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,552 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:06,552 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,553 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,553 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,553 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,553 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,558 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:06,574 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-20 13:27:06,578 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,578 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,578 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,602 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-20 13:27:06,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,603 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,603 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,603 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,610 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:06,641 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:27:06,641 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,641 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,641 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,642 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,656 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:27:06,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,656 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,656 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,657 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,659 INFO L520 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:06,670 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 13:27:06,676 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,676 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,676 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,676 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,690 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 13:27:06,692 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,693 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,693 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,693 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,699 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:06,710 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:27:06,714 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,715 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,715 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,715 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,733 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-20 13:27:06,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,738 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,738 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,738 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,756 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:06,767 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:06,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,767 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,769 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:06,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,772 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,772 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,772 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,776 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:06,787 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 13:27:06,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,791 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,791 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,791 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,791 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,795 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 13:27:06,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,801 INFO L520 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:06,815 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:06,815 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,816 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,816 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,816 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,818 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:06,818 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,818 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,818 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,818 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,818 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,819 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:06,830 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:06,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:06,831 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:06,831 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:06,831 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:06,831 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,832 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:06,832 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:06,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:06,833 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:06,833 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:06,833 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:06,834 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:06,838 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-20 13:27:06,839 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@1f8fb7cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:06, skipping insertion in model container [2024-09-20 13:27:06,839 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:06,840 INFO L158 Benchmark]: Toolchain (without parser) took 1199.19ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 147.9MB in the end (delta: -12.0MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2024-09-20 13:27:06,840 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 91.6MB in the beginning and 91.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:06,841 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:06,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.25ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 122.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:06,842 INFO L158 Benchmark]: Boogie Preprocessor took 36.29ms. Allocated memory is still 207.6MB. Free memory was 122.0MB in the beginning and 120.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:06,842 INFO L158 Benchmark]: RCFGBuilder took 255.53ms. Allocated memory is still 207.6MB. Free memory was 120.0MB in the beginning and 104.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:06,842 INFO L158 Benchmark]: Referee took 636.13ms. Allocated memory is still 207.6MB. Free memory was 104.5MB in the beginning and 147.9MB in the end (delta: -43.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:06,844 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 47. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 125.8MB. Free memory was 91.6MB in the beginning and 91.4MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 125.8MB. Free memory is still 89.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.25ms. Allocated memory is still 207.6MB. Free memory was 136.0MB in the beginning and 122.0MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.29ms. Allocated memory is still 207.6MB. Free memory was 122.0MB in the beginning and 120.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 255.53ms. Allocated memory is still 207.6MB. Free memory was 120.0MB in the beginning and 104.5MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 636.13ms. Allocated memory is still 207.6MB. Free memory was 104.5MB in the beginning and 147.9MB in the end (delta: -43.4MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-20 13:27:06,876 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 Result: TRUE