./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 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_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:48:39,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:39,187 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:48:39,191 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:39,191 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:39,213 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:39,214 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:39,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:39,215 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:39,216 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:39,217 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:39,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:39,217 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:39,219 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:39,219 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:39,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:39,219 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:39,220 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:39,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:48:39,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:39,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:39,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:39,223 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:39,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:39,223 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:39,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:39,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:39,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:39,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:39,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:39,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:39,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:39,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:39,225 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:39,225 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:39,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:39,226 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:48:39,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:48:39,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:39,227 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:39,227 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:39,228 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:39,228 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:39,422 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:39,441 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:39,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:39,444 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:39,444 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:39,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c [2024-09-11 20:48:40,639 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:40,786 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:40,787 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c [2024-09-11 20:48:40,792 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b049cf69c/5a95a642af204f0a89d9fa478593bfc1/FLAG094da0f7c [2024-09-11 20:48:40,802 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b049cf69c/5a95a642af204f0a89d9fa478593bfc1 [2024-09-11 20:48:40,804 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:40,805 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:40,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:48:40,844 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:40,845 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:40,847 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:40,848 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:40,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:40,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:40" (1/2) ... [2024-09-11 20:48:40,854 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b972d0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:40, skipping insertion in model container [2024-09-11 20:48:40,854 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:40" (1/2) ... [2024-09-11 20:48:40,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@64cc08d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:40, skipping insertion in model container [2024-09-11 20:48:40,855 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 08:48:40" (2/2) ... [2024-09-11 20:48:40,855 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b972d0a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:40, skipping insertion in model container [2024-09-11 20:48:40,855 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 08:48:40" (2/2) ... [2024-09-11 20:48:40,862 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:40,863 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 20)) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 20))) || ((((((b == 0) && (0 <= r)) && (r == x)) && (q == 0)) && (a == 0)) && (x <= 20))) [2024-09-11 20:48:40,863 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (b <= (r + y))) && (0 <= r)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 20)) || (((((((((__int128) a * y) + r) == (b + x)) && (0 <= r)) && (r == x)) && (q == 0)) && (x <= 20)) && (b < ((long long) y + 1)))) [2024-09-11 20:48:40,863 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:40,863 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:40,878 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:40,989 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_valuebound20.c[576,589] [2024-09-11 20:48:41,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:41,007 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:41,040 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_valuebound20.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:41,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:41,072 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:41,073 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:41 WrapperNode [2024-09-11 20:48:41,073 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:41,074 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:41,074 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:41,074 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:41,084 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,084 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,096 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,108 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 20:48:41,109 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,109 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,114 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,117 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,119 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,119 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,124 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:41,124 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:41,124 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:41,125 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:41,125 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 08:48:41" (1/1) ... [2024-09-11 20:48:41,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:41,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:41,176 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 20:48:41,177 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 20:48:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:41,208 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:41,210 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:41,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:48:41,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:41,262 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:41,264 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:41,406 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:41,443 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:41,443 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:41,462 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:41,463 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:41,463 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:41 BoogieIcfgContainer [2024-09-11 20:48:41,464 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:41,464 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:41,464 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:41,465 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:41,466 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:40" (1/4) ... [2024-09-11 20:48:41,467 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c1c3881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:48:41, skipping insertion in model container [2024-09-11 20:48:41,467 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 08:48:40" (2/4) ... [2024-09-11 20:48:41,467 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c1c3881 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:41, skipping insertion in model container [2024-09-11 20:48:41,467 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 08:48:41" (3/4) ... [2024-09-11 20:48:41,467 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c1c3881 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:48:41, skipping insertion in model container [2024-09-11 20:48:41,468 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 08:48:41" (4/4) ... [2024-09-11 20:48:41,468 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound20.c [2024-09-11 20:48:41,475 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:41,475 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 20:48:41,478 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 20:48:41,478 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 20:48:41,479 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 20:48:41,479 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 20:48:41,479 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 20:48:41,479 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 20:48:41,480 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 20:48:41,480 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 20:48:41,480 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 20:48:41,480 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 20:48:41,480 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 20:48:41,481 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 20:48:41,481 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 20:48:41,481 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location [2024-09-11 20:48:41,518 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:41,519 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,519 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,521 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,523 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,533 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:41,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,534 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,535 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,537 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,551 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:41,578 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:41,579 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,579 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,579 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,579 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,579 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,596 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:41,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,596 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,596 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,599 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,600 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:41,614 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:41,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,615 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,615 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,620 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:41,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,620 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,620 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,620 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,620 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,623 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:41,637 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:41,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,638 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,638 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,649 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:41,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,650 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,650 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,650 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,650 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,654 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:41,669 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:41,670 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,670 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,671 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,671 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,677 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:41,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,681 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:41,690 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:41,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,691 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,691 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,691 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,694 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:41,694 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,694 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,694 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,694 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,695 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,697 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:41,707 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:48:41,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,709 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,709 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,722 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:48:41,723 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,723 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,723 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,723 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,724 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,726 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:41,737 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:48:41,737 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,737 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,738 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,747 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:48:41,748 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,748 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,749 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,749 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,751 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to loop head mainErr3ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:41,761 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:41,761 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,765 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,765 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,765 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,775 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:41,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,775 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,775 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,775 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,775 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,778 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:41,790 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:48:41,790 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,790 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,790 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,790 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,814 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:48:41,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,815 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,815 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,815 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,818 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,821 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:48:41,830 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:41,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,830 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,833 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:41,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,833 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,834 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,834 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,834 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,836 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:41,844 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:48:41,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,845 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,850 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:48:41,850 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,850 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,850 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,850 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,851 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,852 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:41,859 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:48:41,859 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,859 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,860 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,860 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,861 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:48:41,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,862 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,862 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,864 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:41,886 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:48:41,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:41,887 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:41,887 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:41,887 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:41,887 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,888 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:48:41,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:41,888 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:41,889 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:41,889 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:41,889 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:41,891 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:48:41,893 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:48:41,894 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4c1c3881 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:48:41, skipping insertion in model container [2024-09-11 20:48:41,894 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:48:41,895 INFO L158 Benchmark]: Toolchain (without parser) took 1048.95ms. Allocated memory is still 180.4MB. Free memory was 108.5MB in the beginning and 148.1MB in the end (delta: -39.6MB). Peak memory consumption was 57.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:41,895 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:41,896 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:48:41,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.87ms. Allocated memory is still 180.4MB. Free memory was 108.3MB in the beginning and 94.1MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:41,897 INFO L158 Benchmark]: Boogie Preprocessor took 49.95ms. Allocated memory is still 180.4MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:41,898 INFO L158 Benchmark]: RCFGBuilder took 339.44ms. Allocated memory is still 180.4MB. Free memory was 92.0MB in the beginning and 136.0MB in the end (delta: -44.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-11 20:48:41,898 INFO L158 Benchmark]: Referee took 429.58ms. Allocated memory is still 180.4MB. Free memory was 136.0MB in the beginning and 148.1MB in the end (delta: -12.1MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2024-09-11 20:48:41,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 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 38 to check that procedure precondition always holds at line 39. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 55. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 47 to loop head at line 47. 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 loop head at line 38. 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 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 main to loop head at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 139.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 180.4MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.87ms. Allocated memory is still 180.4MB. Free memory was 108.3MB in the beginning and 94.1MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.95ms. Allocated memory is still 180.4MB. Free memory was 94.1MB in the beginning and 92.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 339.44ms. Allocated memory is still 180.4MB. Free memory was 92.0MB in the beginning and 136.0MB in the end (delta: -44.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Referee took 429.58ms. Allocated memory is still 180.4MB. Free memory was 136.0MB in the beginning and 148.1MB in the end (delta: -12.1MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:48:41,926 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound20.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_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 20:48:43,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:48:43,719 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:48:43,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:48:43,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:48:43,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:48:43,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:48:43,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:48:43,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:48:43,747 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:48:43,747 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:48:43,748 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:48:43,748 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:48:43,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:48:43,751 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:48:43,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:48:43,753 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:48:43,753 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:48:43,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:48:43,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:48:43,753 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:48:43,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:48:43,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:48:43,756 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:48:43,756 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:48:43,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:48:43,756 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:48:43,756 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:48:43,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:48:43,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:48:43,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:48:43,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:48:43,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:48:43,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:48:43,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:43,766 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:48:43,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:48:43,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:48:43,769 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:48:43,769 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:48:43,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:48:43,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:48:43,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:48:43,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:48:43,770 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:48:43,770 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:48:43,985 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:48:44,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:48:44,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:48:44,007 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:48:44,008 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:48:44,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_valuebound20.yml/witness-2.1.yml [2024-09-11 20:48:44,053 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:48:44,053 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:48:44,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c [2024-09-11 20:48:45,388 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:48:45,553 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:48:45,554 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_valuebound20.c [2024-09-11 20:48:45,562 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b075614d4/a7f2db19c85442d88341af58526ea98a/FLAG547074a83 [2024-09-11 20:48:45,954 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b075614d4/a7f2db19c85442d88341af58526ea98a [2024-09-11 20:48:45,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:48:45,955 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:48:45,956 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:45,956 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:48:45,960 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:48:45,960 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:44" (1/2) ... [2024-09-11 20:48:45,961 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50164aaf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:45, skipping insertion in model container [2024-09-11 20:48:45,961 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:44" (1/2) ... [2024-09-11 20:48:45,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@181fbb7d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:48:45, skipping insertion in model container [2024-09-11 20:48:45,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:45" (2/2) ... [2024-09-11 20:48:45,962 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50164aaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:45, skipping insertion in model container [2024-09-11 20:48:45,962 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:48:45" (2/2) ... [2024-09-11 20:48:45,971 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:48:45,972 INFO L1541 ArrayList]: Loop invariant at [L38-L62] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (0 <= (r + y))) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 20)) || ((((((((__int128) r + 1) <= y) && (0 <= x)) && (x == (r + ((__int128) q * y)))) && (b <= y)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 20))) || ((((((b == 0) && (0 <= r)) && (r == x)) && (q == 0)) && (a == 0)) && (x <= 20))) [2024-09-11 20:48:45,972 INFO L1541 ArrayList]: Loop invariant at [L47-L59] ((((((((0 <= x) && (x == (r + ((__int128) q * y)))) && (0 <= y)) && (b <= (r + y))) && (0 <= r)) && ((b + x) == ((((__int128) a * y) + r) + ((__int128) q * y)))) && (x <= 20)) || (((((((((__int128) a * y) + r) == (b + x)) && (0 <= r)) && (r == x)) && (q == 0)) && (x <= 20)) && (b < ((long long) y + 1)))) [2024-09-11 20:48:45,972 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:48:45,972 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:48:45,987 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:48:46,105 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_valuebound20.c[576,589] [2024-09-11 20:48:46,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:46,139 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:48:46,169 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_valuebound20.c[576,589] Start Parsing Local Start Parsing Local [2024-09-11 20:48:46,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:48:46,206 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:48:46,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46 WrapperNode [2024-09-11 20:48:46,207 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:48:46,207 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:48:46,208 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:48:46,208 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:48:46,216 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,216 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,227 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,241 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 20:48:46,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,241 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,255 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,259 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,259 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,264 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:48:46,265 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:48:46,265 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:48:46,265 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:48:46,266 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (1/1) ... [2024-09-11 20:48:46,269 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:48:46,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:48:46,288 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 20:48:46,290 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 20:48:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:48:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:48:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:48:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:48:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:48:46,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:48:46,322 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:48:46,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:48:46,395 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:48:46,398 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:48:55,961 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:48:56,022 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-09-11 20:48:56,023 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:48:56,042 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:48:56,044 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:48:56,045 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:48:56 BoogieIcfgContainer [2024-09-11 20:48:56,045 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:48:56,046 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:48:56,046 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:48:56,047 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:48:56,047 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:48:44" (1/4) ... [2024-09-11 20:48:56,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2be8d5da 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 20:48:56,047 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:48:45" (2/4) ... [2024-09-11 20:48:56,048 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2be8d5da 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 20:48:56,048 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:48:46" (3/4) ... [2024-09-11 20:48:56,048 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2be8d5da 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 20:48:56,049 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 20:48:56,050 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_valuebound20.c [2024-09-11 20:48:56,053 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:48:56,053 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 20:48:56,054 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 20:48:56,054 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 20:48:56,054 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 20:48:56,054 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 20:48:56,055 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 20:48:56,055 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 20:48:56,055 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 20:48:56,055 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 20:48:56,055 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 20:48:56,055 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 20:48:56,056 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 20:48:56,056 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 20:48:56,056 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 20:48:56,056 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 7 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-11 20:48:56,096 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:48:56,097 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:56,097 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:56,098 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:56,098 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:56,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,106 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:48:56,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,107 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:56,107 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:56,108 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:56,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:56,122 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:48:56,150 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:48:56,150 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:56,150 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:56,150 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:56,150 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:56,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,162 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:48:56,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:56,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:56,163 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:56,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:56,165 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:56,187 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:48:56,191 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:56,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:56,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:56,192 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:56,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,206 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:48:56,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,206 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:56,207 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:56,207 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:56,207 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:48:56,351 INFO L514 InvariantChecker]: The annotation(s) from loop head L38-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:48:56,392 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:48:56,392 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:48:56,392 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:48:56,392 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:48:56,393 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:48:56,393 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,408 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:48:56,408 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:48:56,408 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:48:56,409 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:48:56,409 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:48:56,409 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:00,502 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:00,552 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:00,552 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:00,552 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:00,552 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:00,552 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:00,553 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:00,559 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:00,559 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:00,559 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:00,559 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:00,559 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:00,560 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:00,666 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:00,698 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:00,698 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:00,698 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:00,698 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:00,698 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:00,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:00,702 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:00,702 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:00,702 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:00,703 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:00,703 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:00,703 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:04,780 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:04,816 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-11 20:49:04,817 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:04,817 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:04,817 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:04,817 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:04,817 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,842 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-11 20:49:04,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:04,843 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:04,843 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:04,843 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:04,844 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:08,610 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:08,611 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:08,611 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:08,611 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:08,611 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:08,611 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:08,622 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:08,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:08,623 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:08,623 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:08,623 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:08,623 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,705 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:12,748 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:49:12,748 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,748 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,748 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,749 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,773 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:49:12,773 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,774 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:12,778 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:12,785 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-11 20:49:12,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:12,786 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:12,786 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:12,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:12,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,799 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-11 20:49:12,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:12,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:12,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:12,801 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:12,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:14,255 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:14,256 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:14,256 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:14,257 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:14,257 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:14,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,260 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:14,260 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:14,260 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:14,260 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:14,261 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:14,261 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,338 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:18,372 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:18,373 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,373 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,373 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,373 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,378 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:18,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,378 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,378 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,379 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,379 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,382 INFO L514 InvariantChecker]: The annotation(s) from loop head L47-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:18,388 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:18,388 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,388 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,389 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,390 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:18,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,390 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,391 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,392 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:18,397 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:18,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:18,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:18,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:18,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:18,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,399 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:18,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:18,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:18,399 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:18,399 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:18,399 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:18,400 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:18,407 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:49:18,409 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2be8d5da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:18, skipping insertion in model container [2024-09-11 20:49:18,409 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:18,410 INFO L158 Benchmark]: Toolchain (without parser) took 32454.15ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 67.1MB in the beginning and 99.5MB in the end (delta: -32.4MB). Peak memory consumption was 58.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,410 INFO L158 Benchmark]: Witness Parser took 0.61ms. Allocated memory is still 50.3MB. Free memory is still 25.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:18,411 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 50.3MB. Free memory is still 23.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:18,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.84ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 51.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,412 INFO L158 Benchmark]: Boogie Preprocessor took 56.78ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 49.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,412 INFO L158 Benchmark]: RCFGBuilder took 9780.19ms. Allocated memory is still 90.2MB. Free memory was 49.3MB in the beginning and 53.4MB in the end (delta: -4.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,413 INFO L158 Benchmark]: Referee took 22363.00ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 53.4MB in the beginning and 99.5MB in the end (delta: -46.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-09-11 20:49:18,415 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 47 to loop head at line 47. One counterexample starts in a=-6710885601, b=-7205758545873076224, q=-8120172425, r=8718968750814003200, x=0, y=1073741824 and ends in . Annotation is not valid for all loop-free paths from loop head at line 47 to loop head at line 38. One counterexample starts in a=-274877906943, b=-9223372036821221376, q=0, r=8, x=8, y=33554432 and ends in . 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 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 38. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 49. Annotation is valid for all loop-free paths from loop head at line 47 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from loop head at line 38 to check that procedure precondition always holds at line 38. 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 check that procedure precondition always holds at line 39. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.61ms. Allocated memory is still 50.3MB. Free memory is still 25.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 50.3MB. Free memory is still 23.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.84ms. Allocated memory is still 90.2MB. Free memory was 66.9MB in the beginning and 51.6MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.78ms. Allocated memory is still 90.2MB. Free memory was 51.6MB in the beginning and 49.3MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9780.19ms. Allocated memory is still 90.2MB. Free memory was 49.3MB in the beginning and 53.4MB in the end (delta: -4.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. * Referee took 22363.00ms. Allocated memory was 90.2MB in the beginning and 163.6MB in the end (delta: 73.4MB). Free memory was 53.4MB in the beginning and 99.5MB in the end (delta: -46.1MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:18,473 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 Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE