./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:35,848 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:35,942 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:35,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:35,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:35,983 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:35,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:35,985 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:35,986 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:35,987 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:35,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:35,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:35,989 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:35,991 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:35,991 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:35,992 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:35,992 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:35,992 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:35,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:35,993 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:35,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:35,997 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:35,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:35,998 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:35,998 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:35,998 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:35,998 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:35,999 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:35,999 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:35,999 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:35,999 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:36,000 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:36,000 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:36,000 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:36,000 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:36,001 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:36,001 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:36,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:36,002 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:36,002 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:36,003 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:36,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:36,004 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:36,242 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:36,268 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:36,272 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:36,273 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:36,274 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:36,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:48:36,336 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:36,337 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:36,338 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2024-09-11 20:48:37,708 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:37,904 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:37,905 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2024-09-11 20:48:37,912 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/72542d8a7/d7128ed64c984bfbb05e2d072128d6ba/FLAG7d5d8ef26 [2024-09-11 20:48:38,288 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/72542d8a7/d7128ed64c984bfbb05e2d072128d6ba [2024-09-11 20:48:38,289 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:38,290 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:38,293 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:38,293 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:38,298 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:38,298 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:36" (1/2) ... [2024-09-11 20:48:38,299 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52db77eb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:38, skipping insertion in model container [2024-09-11 20:48:38,300 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:36" (1/2) ... [2024-09-11 20:48:38,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@2b1cbea0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:38, skipping insertion in model container [2024-09-11 20:48:38,301 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:38" (2/2) ... [2024-09-11 20:48:38,302 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52db77eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38, skipping insertion in model container [2024-09-11 20:48:38,302 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:38" (2/2) ... [2024-09-11 20:48:38,311 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:38,312 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((((__int128) a * y) + r) == (b + x)) && (0 <= r)) && (x <= 10)) && (r == x)) && (q == 0)) && (b < ((long long) y + 1))) || (((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (b <= (r + y))) && (0 <= r)) && (x <= 10)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) [2024-09-11 20:48:38,312 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((b == 0) && (0 <= r)) && (x <= 10)) && (r == x)) && (q == 0)) && (a == 0)) || ((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (x <= 10)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && (x <= 10)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) [2024-09-11 20:48:38,313 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:38,313 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:38,334 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:38,548 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c[576,589] [2024-09-11 20:48:38,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:38,588 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:38,619 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:38,642 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:38,659 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:38,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38 WrapperNode [2024-09-11 20:48:38,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:38,660 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:38,661 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:38,661 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:38,676 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,677 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,684 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,700 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:38,700 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,700 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,710 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:38,728 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:38,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:38,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:38,730 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (1/1) ... [2024-09-11 20:48:38,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:38,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:38,761 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:48:38,767 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:48:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:38,808 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:38,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:38,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:38,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:38,867 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:38,869 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:39,038 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:39,111 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:39,111 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:39,132 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:39,133 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:39,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:39 BoogieIcfgContainer [2024-09-11 20:48:39,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:39,134 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:39,134 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:39,135 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:39,135 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:36" (1/4) ... [2024-09-11 20:48:39,135 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41a7a35c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:39, skipping insertion in model container [2024-09-11 20:48:39,135 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:38" (2/4) ... [2024-09-11 20:48:39,135 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41a7a35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:39, skipping insertion in model container [2024-09-11 20:48:39,136 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:38" (3/4) ... [2024-09-11 20:48:39,136 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41a7a35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:39, skipping insertion in model container [2024-09-11 20:48:39,137 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:39" (4/4) ... [2024-09-11 20:48:39,138 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound10.c [2024-09-11 20:48:39,142 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:39,143 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:39,143 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:39,143 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:39,144 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:39,144 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:39,144 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:39,144 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:39,144 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:48:39,144 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:39,144 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:48:39,144 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:39,145 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:39,145 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:39,145 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:39,145 INFO L130 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, 7 loop-free subgraphs from loop head to error location [2024-09-11 20:48:39,200 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:39,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,202 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,202 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,203 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,219 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:39,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,228 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,245 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:39,278 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:39,279 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,279 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,279 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,279 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,298 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:39,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,299 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,299 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,299 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,300 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,305 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:39,335 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:39,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,335 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,346 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:39,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,347 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,347 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,347 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,347 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,350 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:39,364 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:39,364 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,365 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,365 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,379 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:39,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,380 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,380 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,380 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,383 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:39,398 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:39,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,407 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:39,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,408 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,408 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,411 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:39,437 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:39,438 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,438 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,438 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,443 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:39,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,452 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,452 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,453 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,453 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,457 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:39,475 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:39,477 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,478 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,479 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,479 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,505 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:39,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,507 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,507 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,507 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,508 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,512 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:39,525 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:39,527 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,527 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,527 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,527 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,528 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,544 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:39,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,544 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,545 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,545 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,545 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,549 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:39,565 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:39,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,566 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,566 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,566 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,580 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:39,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,581 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,581 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,582 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,582 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,586 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:39,600 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:48:39,601 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,601 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,601 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,602 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,602 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,631 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:48:39,632 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,632 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,632 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,632 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,640 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,645 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:39,658 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:39,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,664 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:39,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,665 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,665 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,665 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,669 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:39,680 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:39,681 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,681 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,681 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,681 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,682 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,688 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:39,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,690 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,693 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:39,703 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:39,704 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,704 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,704 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,704 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,708 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:39,708 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,708 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,708 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,708 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,709 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,712 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:39,725 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:39,725 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:39,726 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:39,726 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:39,726 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:39,726 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,728 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:39,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:39,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:39,728 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:39,728 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:39,728 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:39,729 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:39,733 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:39,733 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41a7a35c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:39, skipping insertion in model container [2024-09-11 20:48:39,733 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:39,737 INFO L158 Benchmark]: Toolchain (without parser) took 1445.56ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 85.0MB in the beginning and 101.3MB in the end (delta: -16.3MB). Peak memory consumption was 38.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:39,737 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:39,737 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 96.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:39,738 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.13ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 105.0MB in the end (delta: -20.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:48:39,740 INFO L158 Benchmark]: Boogie Preprocessor took 67.03ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 102.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:39,740 INFO L158 Benchmark]: RCFGBuilder took 404.92ms. Allocated memory is still 138.4MB. Free memory was 102.3MB in the beginning and 84.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:39,741 INFO L158 Benchmark]: Referee took 601.19ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 84.8MB in the beginning and 101.3MB in the end (delta: -16.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2024-09-11 20:48:39,743 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 check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. 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 47 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Annotation is valid for all loop-free paths from 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 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 96.5MB. Free memory is still 56.0MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 96.5MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.13ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 105.0MB in the end (delta: -20.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.03ms. Allocated memory is still 138.4MB. Free memory was 105.0MB in the beginning and 102.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.92ms. Allocated memory is still 138.4MB. Free memory was 102.3MB in the beginning and 84.8MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 601.19ms. Allocated memory was 138.4MB in the beginning and 178.3MB in the end (delta: 39.8MB). Free memory was 84.8MB in the beginning and 101.3MB in the end (delta: -16.5MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:39,781 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound10.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:41,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:42,065 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:42,071 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:42,071 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:42,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:42,105 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:42,105 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:42,106 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:42,107 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:42,107 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:42,107 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:42,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:42,112 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:42,113 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:42,113 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:42,113 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:42,114 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:42,114 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:42,114 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:42,114 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:42,118 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:42,119 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:42,119 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:42,119 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:42,119 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:42,119 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:42,120 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:42,120 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:42,120 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:42,120 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:42,120 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:42,120 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:42,121 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:42,121 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:42,122 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:42,122 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:42,123 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:42,123 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:42,123 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:42,124 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:42,124 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:42,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:42,125 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:42,125 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:42,126 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:42,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:42,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:42,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:42,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:42,503 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:42,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2024-09-11 20:48:44,020 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:44,237 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:44,242 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c [2024-09-11 20:48:44,252 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ee8233be4/b90cf3bc5c244758abd9d6e6bd7368d5/FLAGd8b16f906 [2024-09-11 20:48:44,271 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ee8233be4/b90cf3bc5c244758abd9d6e6bd7368d5 [2024-09-11 20:48:44,274 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:44,275 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:44,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound10.yml/witness-2.1.yml [2024-09-11 20:48:44,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:44,338 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:44,339 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:44,339 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:44,344 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:44,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:44" (1/2) ... [2024-09-11 20:48:44,346 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c17c193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:44, skipping insertion in model container [2024-09-11 20:48:44,347 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:44" (1/2) ... [2024-09-11 20:48:44,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@682874a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:44, skipping insertion in model container [2024-09-11 20:48:44,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:44" (2/2) ... [2024-09-11 20:48:44,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c17c193 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44, skipping insertion in model container [2024-09-11 20:48:44,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:44" (2/2) ... [2024-09-11 20:48:44,359 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:44,360 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((b == 0) && (0 <= r)) && (x <= 10)) && (r == x)) && (q == 0)) && (a == 0)) || ((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (x <= 10)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && (x <= 10)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) [2024-09-11 20:48:44,360 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((((__int128) a * y) + r) == (b + x)) && (0 <= r)) && (x <= 10)) && (r == x)) && (q == 0)) && (b < ((long long) y + 1))) || (((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (b <= (r + y))) && (0 <= r)) && (x <= 10)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) [2024-09-11 20:48:44,360 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:44,360 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:44,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:44,542 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c[576,589] [2024-09-11 20:48:44,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:44,588 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:44,626 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound10.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:44,657 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:44,677 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:44,678 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44 WrapperNode [2024-09-11 20:48:44,678 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:44,679 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:44,680 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:44,680 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:44,698 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,698 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,711 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,729 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:48:44,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,744 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,759 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:44,764 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:44,764 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:44,764 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:44,765 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (1/1) ... [2024-09-11 20:48:44,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:44,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:44,797 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:48:44,799 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:48:44,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:44,855 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:44,856 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:44,856 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:44,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:44,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:44,932 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:44,935 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:52,687 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:52,762 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:52,763 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:52,788 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:52,789 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:52,789 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:52 BoogieIcfgContainer [2024-09-11 20:48:52,789 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:52,790 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:52,790 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:52,791 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:52,791 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:44" (1/4) ... [2024-09-11 20:48:52,791 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3a7b90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:52, skipping insertion in model container [2024-09-11 20:48:52,792 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:44" (2/4) ... [2024-09-11 20:48:52,792 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3a7b90 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:52, skipping insertion in model container [2024-09-11 20:48:52,792 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:44" (3/4) ... [2024-09-11 20:48:52,792 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3a7b90 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:52, skipping insertion in model container [2024-09-11 20:48:52,793 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:52" (4/4) ... [2024-09-11 20:48:52,794 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound10.c [2024-09-11 20:48:52,797 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:52,798 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:52,798 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:48:52,798 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:52,799 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-11 20:48:52,799 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:48:52,799 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:52,799 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:48:52,799 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L38-3 to LOOP_INVARIANT_ERROR_LOC mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:48:52,800 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:48:52,800 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-11 20:48:52,800 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:52,800 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L47-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:52,800 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:48:52,800 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:48:52,801 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 7 loop-free subgraphs from loop head to error location [2024-09-11 20:48:52,844 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:52,845 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:52,846 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:52,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:52,847 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:52,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:52,857 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:52,859 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:52,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:52,859 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:52,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:52,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:52,877 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:52,912 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:52,912 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:52,913 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:52,913 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:52,913 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:52,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:52,937 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:52,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:52,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:52,941 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:52,941 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:52,943 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:52,945 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:52,964 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:52,965 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:52,965 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:52,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:52,965 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:52,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:52,974 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:52,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:52,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:52,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:52,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:52,975 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:53,926 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:53,973 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:53,973 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:53,973 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:53,974 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:53,974 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:53,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,991 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:53,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:53,991 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:53,992 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:53,992 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:53,992 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:57,628 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:57,628 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:57,629 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:57,629 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:57,629 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:57,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:57,645 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:57,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:57,645 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:57,646 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:57,646 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:57,646 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:59,385 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:59,428 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:59,428 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:59,428 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:59,428 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:59,428 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:59,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:59,432 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:59,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:59,433 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:59,433 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:59,433 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:59,433 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:03,535 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:03,580 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:49:03,580 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:03,580 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:03,580 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:03,581 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:03,581 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:03,600 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:49:03,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:03,601 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:03,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:03,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:03,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:07,772 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:07,836 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:07,836 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:07,836 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:07,836 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:07,836 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:07,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:07,848 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:07,849 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:07,849 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:07,849 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:07,849 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:07,849 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:11,975 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:12,023 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:49:12,024 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,024 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,024 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,024 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,024 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,036 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:49:12,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,037 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,037 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,044 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:12,056 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:12,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,056 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,056 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,057 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,073 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:12,073 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,073 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,074 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,074 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,078 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:16,238 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:16,298 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:16,298 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:16,299 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:16,299 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:16,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:16,299 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:16,302 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:16,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:16,303 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:16,303 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:16,303 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:16,303 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:20,417 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:20,459 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:20,459 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:20,459 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:20,459 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:20,459 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:20,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:20,479 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:20,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:20,480 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:20,480 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:20,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:20,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:20,486 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:20,495 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:20,496 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:20,496 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:20,496 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:20,496 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:20,496 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:20,500 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:20,504 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:20,504 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:20,504 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:20,504 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:20,505 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:20,506 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:20,518 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:20,518 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:20,518 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:20,519 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:20,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:20,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:20,520 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:20,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:20,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:20,521 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:20,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:20,521 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:20,523 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:20,532 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:49:20,533 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b3a7b90 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:20, skipping insertion in model container [2024-09-11 20:49:20,533 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:20,536 INFO L158 Benchmark]: Toolchain (without parser) took 36196.73ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 40.7MB in the beginning and 45.6MB in the end (delta: -4.9MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:20,536 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 44.0MB. Free memory was 20.7MB in the beginning and 20.6MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:20,537 INFO L158 Benchmark]: Witness Parser took 0.72ms. Allocated memory is still 65.0MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:20,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.74ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 25.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:20,538 INFO L158 Benchmark]: Boogie Preprocessor took 84.12ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 25.7MB in the beginning and 59.9MB in the end (delta: -34.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. [2024-09-11 20:49:20,539 INFO L158 Benchmark]: RCFGBuilder took 8025.16ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 39.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:20,540 INFO L158 Benchmark]: Referee took 27743.69ms. Allocated memory is still 81.8MB. Free memory was 39.3MB in the beginning and 45.6MB in the end (delta: -6.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:20,543 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 47 to check that procedure precondition always holds at line 55. One counterexample starts in a=1040412976, b=-2223630552579573312, q=0, r=8, x=8, y=-2137257612 and ends in b=-2223630552579573312, q=0, x=8. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 47. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 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 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 check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 44.0MB. Free memory was 20.7MB in the beginning and 20.6MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.72ms. Allocated memory is still 65.0MB. Free memory is still 42.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.74ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 25.7MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.12ms. Allocated memory was 65.0MB in the beginning and 81.8MB in the end (delta: 16.8MB). Free memory was 25.7MB in the beginning and 59.9MB in the end (delta: -34.1MB). Peak memory consumption was 3.3MB. Max. memory is 16.1GB. * RCFGBuilder took 8025.16ms. Allocated memory is still 81.8MB. Free memory was 59.8MB in the beginning and 39.3MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Referee took 27743.69ms. Allocated memory is still 81.8MB. Free memory was 39.3MB in the beginning and 45.6MB in the end (delta: -6.3MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:20,622 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