./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound50.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_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound50.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 20:48:40,106 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:40,169 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:40,174 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:40,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:40,198 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:40,198 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:40,199 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:40,199 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:40,200 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:40,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:40,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:40,201 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:40,201 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:40,202 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:40,202 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:40,202 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:40,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:40,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:40,204 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:40,205 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:40,206 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:40,207 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:40,207 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:40,207 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:40,207 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:40,208 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:40,208 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:40,208 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:40,208 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:40,209 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:40,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:40,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:40,209 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:40,210 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:40,210 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:40,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:40,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:40,215 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:40,215 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:40,215 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:40,216 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:40,216 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:40,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:40,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:40,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:40,518 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:40,519 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:40,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-09-11 20:48:41,954 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:42,155 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:42,158 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-09-11 20:48:42,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8cb302149/086693fb3dde44ea84c0a67e5054fcee/FLAGb50975407 [2024-09-11 20:48:42,533 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8cb302149/086693fb3dde44ea84c0a67e5054fcee [2024-09-11 20:48:42,535 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:42,536 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:42,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:48:42,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:42,596 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:42,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:42,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:42,604 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:42,605 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:42" (1/2) ... [2024-09-11 20:48:42,607 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49955408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42, skipping insertion in model container [2024-09-11 20:48:42,608 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:42" (1/2) ... [2024-09-11 20:48:42,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4f335480 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:42, skipping insertion in model container [2024-09-11 20:48:42,610 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 08:48:42" (2/2) ... [2024-09-11 20:48:42,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49955408 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:42, skipping insertion in model container [2024-09-11 20:48:42,610 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 08:48:42" (2/2) ... [2024-09-11 20:48:42,621 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:42,621 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((b == 0) && (x <= 50)) && (0 <= r)) && (r == x)) && (q == 0)) && (a == 0)) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && (x <= 50)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) || ((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (x <= 50)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) [2024-09-11 20:48:42,622 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((((__int128) a * y) + r) == (b + x)) && (b <= y)) && (x <= 50)) && (0 <= r)) && (r == x)) && (q == 0)) || (((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (x <= 50)) && (b <= (r + y))) && (0 <= r)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) [2024-09-11 20:48:42,622 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:42,622 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:42,646 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:42,809 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_valuebound50.c[576,589] [2024-09-11 20:48:42,829 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:42,837 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:42,883 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_valuebound50.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:42,912 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:42,932 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:42,933 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:42 WrapperNode [2024-09-11 20:48:42,934 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:42,935 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:42,935 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:42,935 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:42,948 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 08:48:42" (1/1) ... [2024-09-11 20:48:42,948 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 08:48:42" (1/1) ... [2024-09-11 20:48:42,958 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 08:48:42" (1/1) ... [2024-09-11 20:48:42,976 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 20:48:42,979 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 08:48:42" (1/1) ... [2024-09-11 20:48:42,980 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 08:48:42" (1/1) ... [2024-09-11 20:48:42,988 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 08:48:42" (1/1) ... [2024-09-11 20:48:42,992 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 08:48:42" (1/1) ... [2024-09-11 20:48:42,997 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 08:48:42" (1/1) ... [2024-09-11 20:48:42,998 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 08:48:42" (1/1) ... [2024-09-11 20:48:43,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:43,005 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:43,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:43,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:43,006 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 08:48:42" (1/1) ... [2024-09-11 20:48:43,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:43,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:43,039 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 20:48:43,046 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 20:48:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:43,094 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:43,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:43,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:43,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:43,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:43,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:43,192 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:43,196 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:43,430 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:43,478 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:43,478 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:43,505 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:43,506 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:43,506 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:43 BoogieIcfgContainer [2024-09-11 20:48:43,507 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:43,507 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:43,507 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:43,508 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:43,508 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:42" (1/4) ... [2024-09-11 20:48:43,510 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@221abd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:43, skipping insertion in model container [2024-09-11 20:48:43,510 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 08:48:42" (2/4) ... [2024-09-11 20:48:43,510 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@221abd9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:43, skipping insertion in model container [2024-09-11 20:48:43,511 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 08:48:42" (3/4) ... [2024-09-11 20:48:43,511 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@221abd9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:43, skipping insertion in model container [2024-09-11 20:48:43,511 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 08:48:43" (4/4) ... [2024-09-11 20:48:43,516 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound50.c [2024-09-11 20:48:43,523 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:43,524 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 20:48:43,524 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 20:48:43,525 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 20:48:43,525 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 20:48:43,525 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 20:48:43,525 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 20:48:43,526 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 20:48:43,526 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 20:48:43,526 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 20:48:43,527 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 20:48:43,528 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 20:48:43,528 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 20:48:43,529 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 20:48:43,529 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 20:48:43,529 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:43,583 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:43,584 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,584 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,585 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,585 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,599 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:43,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,600 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,601 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,601 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,605 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,623 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:43,658 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:43,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,659 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,659 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,677 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:43,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,681 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,684 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:43,705 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:43,705 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,705 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,705 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,706 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,716 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:43,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,717 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,720 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:43,741 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:43,742 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,742 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,742 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,742 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,743 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,759 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:43,759 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,759 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,760 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,760 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,760 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,763 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:43,777 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:43,777 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,778 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,778 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,778 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,778 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,786 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:43,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,787 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,787 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,788 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,788 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,790 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:43,804 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:43,804 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,804 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,804 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,805 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,810 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:43,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,811 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,811 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,814 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:43,828 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:43,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,829 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,829 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,851 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:43,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,852 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,852 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,852 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,853 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,855 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:43,867 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:43,867 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,868 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,868 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,868 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,868 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,880 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:43,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,881 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,881 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,881 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,881 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,884 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:43,896 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:43,897 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,897 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,897 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,897 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,911 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:43,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,911 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,911 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,912 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,912 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,914 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:43,927 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:48:43,927 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,927 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,928 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,928 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,953 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:48:43,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,953 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,954 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,954 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,958 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,961 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:43,972 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:43,972 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,972 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,972 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,973 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,973 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,976 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:43,977 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,977 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,977 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,977 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,977 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:43,980 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:43,990 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:43,990 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:43,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:43,990 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:43,991 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:43,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,997 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:43,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:43,998 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:43,998 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:43,998 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:43,998 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:44,000 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:44,009 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:44,009 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:44,009 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:44,010 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:44,010 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:44,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,012 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:44,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:44,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:44,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:44,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:44,016 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:44,028 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:44,038 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:44,038 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:44,038 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:44,039 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:44,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,040 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:44,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:44,040 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:44,041 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:44,041 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:44,041 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:44,043 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:44,047 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:44,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@221abd9 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:44, skipping insertion in model container [2024-09-11 20:48:44,047 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:44,049 INFO L158 Benchmark]: Toolchain (without parser) took 1452.56ms. Allocated memory is still 169.9MB. Free memory was 135.5MB in the beginning and 138.4MB in the end (delta: -2.9MB). Peak memory consumption was 93.8MB. Max. memory is 16.1GB. [2024-09-11 20:48:44,049 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:44,050 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:44,050 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.19ms. Allocated memory is still 169.9MB. Free memory was 134.5MB in the beginning and 120.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:48:44,052 INFO L158 Benchmark]: Boogie Preprocessor took 69.48ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 118.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:44,053 INFO L158 Benchmark]: RCFGBuilder took 501.88ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 125.9MB in the end (delta: -7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-11 20:48:44,054 INFO L158 Benchmark]: Referee took 540.37ms. Allocated memory is still 169.9MB. Free memory was 125.9MB in the beginning and 138.4MB in the end (delta: -12.5MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. [2024-09-11 20:48:44,057 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 47 to loop head at line 47. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 38 to loop head at line 47. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. 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 38. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. 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 47 to check that procedure precondition always holds at line 48. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 78.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 169.9MB. Free memory is still 137.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.19ms. Allocated memory is still 169.9MB. Free memory was 134.5MB in the beginning and 120.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.48ms. Allocated memory is still 169.9MB. Free memory was 120.8MB in the beginning and 118.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 501.88ms. Allocated memory is still 169.9MB. Free memory was 118.7MB in the beginning and 125.9MB in the end (delta: -7.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 540.37ms. Allocated memory is still 169.9MB. Free memory was 125.9MB in the beginning and 138.4MB in the end (delta: -12.5MB). Peak memory consumption was 87.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:44,091 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_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound50.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 20:48:46,202 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:46,281 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:46,286 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:46,287 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:46,317 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:46,318 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:46,318 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:46,319 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:46,322 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:46,322 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:46,323 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:46,323 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:46,323 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:46,324 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:46,324 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:46,324 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:46,324 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:46,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:46,325 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:46,325 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:46,328 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:46,328 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:46,328 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:46,328 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:46,329 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:46,329 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:46,329 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:46,329 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:46,330 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:46,330 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:46,330 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:46,330 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:46,331 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:46,331 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:46,332 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:46,332 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:46,333 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:46,334 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:46,334 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:46,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:46,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:46,335 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:46,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:46,335 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:46,336 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:46,664 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:46,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:46,691 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:46,692 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:46,693 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:46,695 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound50.yml/witness-2.1.yml [2024-09-11 20:48:46,747 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:46,748 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:46,748 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-09-11 20:48:48,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:48,530 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:48,530 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound50.c [2024-09-11 20:48:48,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/70f57f79e/bc317ce036384ec0bf4090cc9e532e74/FLAG0338ec065 [2024-09-11 20:48:48,918 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/70f57f79e/bc317ce036384ec0bf4090cc9e532e74 [2024-09-11 20:48:48,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:48,919 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:48,921 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:48,921 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:48,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:48,927 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 08:48:46" (1/2) ... [2024-09-11 20:48:48,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699ccc84 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:48, skipping insertion in model container [2024-09-11 20:48:48,928 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 08:48:46" (1/2) ... [2024-09-11 20:48:48,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3882a657 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:48, skipping insertion in model container [2024-09-11 20:48:48,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:48" (2/2) ... [2024-09-11 20:48:48,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699ccc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:48, skipping insertion in model container [2024-09-11 20:48:48,930 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:48" (2/2) ... [2024-09-11 20:48:48,939 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:48,940 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((((__int128) a * y) + r) == (b + x)) && (b <= y)) && (x <= 50)) && (0 <= r)) && (r == x)) && (q == 0)) || (((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (x <= 50)) && (b <= (r + y))) && (0 <= r)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) [2024-09-11 20:48:48,940 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((b == 0) && (x <= 50)) && (0 <= r)) && (r == x)) && (q == 0)) && (a == 0)) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && (x <= 50)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) || ((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (x <= 50)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y))))) [2024-09-11 20:48:48,940 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:48,941 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:48,960 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:49,128 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_valuebound50.c[576,589] [2024-09-11 20:48:49,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:49,172 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:49,206 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_valuebound50.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:49,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:49,245 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:49,246 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49 WrapperNode [2024-09-11 20:48:49,246 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:49,247 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:49,247 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:49,247 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:49,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,268 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,285 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 20:48:49,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,293 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,296 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,300 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,305 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:49,306 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:49,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:49,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:49,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (1/1) ... [2024-09-11 20:48:49,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:49,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:49,341 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 20:48:49,344 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 20:48:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:49,381 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:49,382 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:49,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:49,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:49,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:49,459 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:49,462 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:56,475 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:56,546 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:56,547 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:56,567 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:56,569 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:56,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:56 BoogieIcfgContainer [2024-09-11 20:48:56,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:56,570 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:56,570 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:56,571 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:56,571 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 08:48:46" (1/4) ... [2024-09-11 20:48:56,571 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@713523a5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:56, skipping insertion in model container [2024-09-11 20:48:56,571 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:48" (2/4) ... [2024-09-11 20:48:56,572 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@713523a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:56, skipping insertion in model container [2024-09-11 20:48:56,572 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:49" (3/4) ... [2024-09-11 20:48:56,572 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@713523a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:56, skipping insertion in model container [2024-09-11 20:48:56,572 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:56" (4/4) ... [2024-09-11 20:48:56,573 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound50.c [2024-09-11 20:48:56,579 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:56,580 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 20:48:56,580 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 20:48:56,580 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 20:48:56,580 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 20:48:56,580 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 20:48:56,580 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 20:48:56,581 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 20:48:56,581 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 20:48:56,581 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 20:48:56,581 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 20:48:56,581 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 20:48:56,581 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 20:48:56,581 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 20:48:56,581 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 20:48:56,582 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-11 20:48:56,637 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:56,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:56,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:56,639 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:56,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:56,643 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,655 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:56,656 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,656 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:56,657 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:56,657 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:56,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:56,676 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:56,708 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:56,712 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:56,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:56,713 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:56,713 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:56,713 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,742 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:56,745 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,745 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:56,746 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:56,746 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:56,747 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:56,753 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:56,787 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:56,787 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:56,787 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:56,787 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:56,788 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:56,788 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,800 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:56,802 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,802 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:56,802 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:56,803 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:56,803 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:00,906 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:00,975 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:49:00,975 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:00,976 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:00,976 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:00,976 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:00,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:00,993 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:49:00,993 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:00,993 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:00,993 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:00,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:00,994 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:05,130 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:05,192 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:05,193 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:05,193 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:05,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:05,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:05,193 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,200 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:05,200 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:05,200 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:05,201 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:05,201 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:05,201 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:09,326 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:09,389 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:09,390 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:09,390 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:09,390 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:09,390 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:09,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:09,395 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:09,396 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:09,396 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:09,396 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:09,396 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:09,397 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:13,533 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:13,591 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:49:13,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:13,592 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:13,592 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:13,592 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:13,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:13,616 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:49:13,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:13,617 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:13,617 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:13,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:13,618 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:17,830 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:17,914 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:17,914 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:17,915 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:17,915 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:17,915 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:17,915 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:17,927 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:17,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:17,928 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:17,928 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:17,928 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:17,928 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,089 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:22,151 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:49:22,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,152 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,164 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:49:22,165 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,165 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,165 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,165 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:22,175 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:22,187 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:22,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:22,187 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:22,187 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:22,188 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:22,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,205 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:22,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:22,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:22,208 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:22,208 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:22,215 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,448 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:26,529 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:26,529 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,530 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,530 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,530 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,530 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,534 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:26,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,535 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,535 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:30,673 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:30,728 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:30,729 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:30,729 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:30,729 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:30,729 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:30,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,738 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:30,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:30,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:30,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:30,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:30,742 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:30,760 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:30,760 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:30,760 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:30,760 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:30,760 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:30,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,763 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:30,764 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,764 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:30,764 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:30,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:30,765 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:30,770 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:30,780 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:30,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:30,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:30,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:30,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:30,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,783 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:30,783 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:30,783 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:30,783 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:30,783 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:30,783 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:30,785 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:30,789 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:49:30,790 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@713523a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:30, skipping insertion in model container [2024-09-11 20:49:30,790 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:30,792 INFO L158 Benchmark]: Toolchain (without parser) took 41871.75ms. Allocated memory is still 77.6MB. Free memory was 41.6MB in the beginning and 47.9MB in the end (delta: -6.2MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:30,792 INFO L158 Benchmark]: Witness Parser took 0.93ms. Allocated memory is still 52.4MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:30,792 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:30,793 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.66ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 46.6MB in the end (delta: -5.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-09-11 20:49:30,794 INFO L158 Benchmark]: Boogie Preprocessor took 58.23ms. Allocated memory is still 77.6MB. Free memory was 46.3MB in the beginning and 44.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:30,795 INFO L158 Benchmark]: RCFGBuilder took 7263.80ms. Allocated memory is still 77.6MB. Free memory was 44.0MB in the beginning and 48.9MB in the end (delta: -4.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:30,797 INFO L158 Benchmark]: Referee took 34219.98ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 47.9MB in the end (delta: 690.9kB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:30,800 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 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 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 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 check that procedure precondition always holds at line 55. 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 38 to check that procedure precondition always holds at line 39. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.93ms. Allocated memory is still 52.4MB. Free memory is still 29.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 27.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.66ms. Allocated memory is still 77.6MB. Free memory was 41.4MB in the beginning and 46.6MB in the end (delta: -5.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.23ms. Allocated memory is still 77.6MB. Free memory was 46.3MB in the beginning and 44.0MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 7263.80ms. Allocated memory is still 77.6MB. Free memory was 44.0MB in the beginning and 48.9MB in the end (delta: -4.9MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Referee took 34219.98ms. Allocated memory is still 77.6MB. Free memory was 48.6MB in the beginning and 47.9MB in the end (delta: 690.9kB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:30,884 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN