./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.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/lcm2_unwindbound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:12:30,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:30,091 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:12:30,095 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:30,095 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:30,115 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:30,116 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:30,116 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:30,117 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:30,117 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:30,118 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:30,118 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:30,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:30,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:30,119 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:30,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:30,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:30,120 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:30,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:12:30,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:30,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:30,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:30,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:30,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:30,123 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:30,123 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:30,124 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:30,124 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:30,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:30,125 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:30,125 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:30,125 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:30,126 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:30,126 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:30,126 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:30,127 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:30,127 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:12:30,127 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:12:30,127 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:30,128 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:30,128 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:30,130 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:30,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:30,376 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:30,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:30,399 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:30,401 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:30,402 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:30,403 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-12 20:12:31,734 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:31,903 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:31,904 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-12 20:12:31,910 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/95bd4ec4f/bac6d356d4f2450388a347ba96fa6728/FLAGf2d3136a1 [2024-09-12 20:12:31,923 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/95bd4ec4f/bac6d356d4f2450388a347ba96fa6728 [2024-09-12 20:12:31,926 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:31,926 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:31,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-12 20:12:31,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:31,980 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:31,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:31,983 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:31,987 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:31,988 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:31" (1/2) ... [2024-09-12 20:12:31,991 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c1e251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:31, skipping insertion in model container [2024-09-12 20:12:31,991 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:31" (1/2) ... [2024-09-12 20:12:31,992 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1f9291d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:31, skipping insertion in model container [2024-09-12 20:12:31,993 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:31" (2/2) ... [2024-09-12 20:12:31,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c1e251 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:31, skipping insertion in model container [2024-09-12 20:12:31,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:31" (2/2) ... [2024-09-12 20:12:32,000 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:32,001 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((0 <= (counter + 2147483648)) && (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296))) && (counter <= 5)) && (\old(counter) == 0)) [2024-09-12 20:12:32,001 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:32,001 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 20:12:32,002 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-12 20:12:32,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:32,151 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/lcm2_unwindbound5.c[537,550] [2024-09-12 20:12:32,168 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:32,177 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:32,219 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/lcm2_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-12 20:12:32,235 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:32,252 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:32,253 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:32 WrapperNode [2024-09-12 20:12:32,253 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:32,254 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:32,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:32,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:32,268 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,268 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,273 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,283 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 [2024-09-12 20:12:32,284 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,284 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,288 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,291 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,293 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,294 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,295 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:32,296 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:32,297 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:32,297 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:32,298 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 12.09 08:12:32" (1/1) ... [2024-09-12 20:12:32,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:32,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:32,321 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) [2024-09-12 20:12:32,326 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 [2024-09-12 20:12:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:32,364 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:32,365 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:32,365 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:12:32,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:12:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:12:32,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:32,428 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:32,431 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:32,456 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:32,481 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:32,672 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:32,741 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:32,747 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:32,771 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:32,771 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:32,772 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:32 BoogieIcfgContainer [2024-09-12 20:12:32,772 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:32,773 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:32,773 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:32,773 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:32,774 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:31" (1/4) ... [2024-09-12 20:12:32,774 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6892109c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:32, skipping insertion in model container [2024-09-12 20:12:32,774 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:31" (2/4) ... [2024-09-12 20:12:32,774 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6892109c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:32, skipping insertion in model container [2024-09-12 20:12:32,775 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 12.09 08:12:32" (3/4) ... [2024-09-12 20:12:32,775 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6892109c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:32, skipping insertion in model container [2024-09-12 20:12:32,775 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:32" (4/4) ... [2024-09-12 20:12:32,776 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-12 20:12:32,780 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:32,780 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:32,781 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr14ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-12 20:12:32,781 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr13REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-12 20:12:32,781 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:32,781 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 7 edges. [2024-09-12 20:12:32,781 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-12 20:12:32,782 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:32,782 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:12:32,782 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr12ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-12 20:12:32,782 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:32,782 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:12:32,783 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 20:12:32,783 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 2 edges. [2024-09-12 20:12:32,784 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:12:32,784 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:32,784 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:32,784 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 10 edges. [2024-09-12 20:12:32,784 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:32,785 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:32,785 INFO L130 InvariantChecker]: Will check 11 loop-free subgraphs from procedure entry to error location, 8 loop-free subgraphs from loop head to error location [2024-09-12 20:12:32,892 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:32,894 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:32,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:32,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:32,900 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:32,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:32,911 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:32,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:32,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:32,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:32,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:32,916 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:32,931 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:32,963 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-12 20:12:32,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:32,963 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:32,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:32,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:32,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,008 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-12 20:12:33,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,008 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:33,009 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:33,009 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:33,013 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:33,038 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-12 20:12:33,039 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:33,039 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:33,039 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:33,039 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:33,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,057 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-12 20:12:33,058 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,058 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:33,058 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:33,058 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:33,061 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:33,081 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:33,082 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:33,082 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:33,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:33,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:33,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,084 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:33,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:33,084 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:33,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:33,084 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:33,086 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:33,099 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:12:33,099 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:33,099 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:33,099 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:33,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:33,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,103 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:12:33,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,103 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:33,103 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:33,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:33,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:33,105 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:33,123 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:12:33,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:33,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:33,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:33,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:33,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,133 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:12:33,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:33,134 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:33,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:33,134 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:33,136 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:33,149 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:12:33,149 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:33,149 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:33,150 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:33,150 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:33,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,154 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:12:33,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:33,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:33,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:33,155 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:33,172 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:33,172 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:33,172 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:33,172 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:33,173 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:33,173 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,174 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:33,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,174 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:33,175 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:33,175 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:33,175 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:33,190 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 11 edges [2024-09-12 20:12:33,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:33,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:33,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:33,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:33,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,227 INFO L101 BaseMinimizeStates]: Removed 22 edges and 9 locations by large block encoding [2024-09-12 20:12:33,227 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:33,227 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:33,228 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:33,228 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:33,251 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:34,970 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:12:34,971 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:34,971 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:34,971 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:34,971 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:34,971 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:34,973 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:12:34,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:34,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:34,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:34,974 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:34,974 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:34,977 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:34,989 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:12:34,989 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:34,990 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:34,990 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:34,990 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:34,991 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:34,998 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:12:34,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:34,998 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:34,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:34,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:34,999 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:35,001 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:35,015 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:12:35,016 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:35,016 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:35,016 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:35,016 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:35,016 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,018 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:12:35,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,018 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:35,018 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:35,019 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:35,019 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:35,020 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:35,033 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:12:35,033 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:35,033 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:35,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:35,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:35,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,035 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:12:35,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:35,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:35,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:35,036 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:35,052 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-12 20:12:35,053 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:35,053 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:35,053 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:35,053 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:35,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,068 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-12 20:12:35,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,069 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:35,069 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:35,069 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:35,074 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:35,077 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-10 to error location mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:35,089 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:35,089 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:35,090 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:35,090 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:35,090 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:35,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,091 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:35,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,091 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:35,092 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:35,092 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:35,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:35,093 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:35,105 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:35,105 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:35,105 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:35,105 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:35,106 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:35,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,107 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:35,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,108 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:35,108 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:35,108 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:35,109 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:35,110 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:35,123 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-12 20:12:35,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:35,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:35,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:35,124 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:35,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,144 INFO L101 BaseMinimizeStates]: Removed 19 edges and 8 locations by large block encoding [2024-09-12 20:12:35,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:35,145 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:35,145 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:35,150 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:35,153 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-10 to error location mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:35,167 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:35,167 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:35,169 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:35,169 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:35,169 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:35,170 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,171 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:35,171 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,171 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:35,172 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:35,172 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:35,172 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:35,176 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:35,189 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:12:35,189 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:35,190 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:35,190 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:35,190 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:35,190 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,191 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:12:35,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:35,192 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:35,192 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:35,192 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:35,193 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:35,194 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:35,206 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:12:35,209 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6892109c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:35, skipping insertion in model container [2024-09-12 20:12:35,209 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:35,211 INFO L158 Benchmark]: Toolchain (without parser) took 3230.78ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 94.5MB in the beginning and 136.7MB in the end (delta: -42.2MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2024-09-12 20:12:35,212 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:35,213 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:35,214 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.02ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 80.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-12 20:12:35,215 INFO L158 Benchmark]: Boogie Preprocessor took 41.10ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:35,215 INFO L158 Benchmark]: RCFGBuilder took 475.72ms. Allocated memory is still 151.0MB. Free memory was 78.1MB in the beginning and 119.8MB in the end (delta: -41.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. [2024-09-12 20:12:35,216 INFO L158 Benchmark]: Referee took 2436.98ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 119.2MB in the beginning and 136.7MB in the end (delta: -17.5MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:35,220 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 36 to check that integer overflow can never occur at line 36. One counterexample starts in counter=2147483647 and ends in counter=2147483647. Annotation is not valid for all loop-free paths from loop head at line 36 to check that invariant of correctness witness holds at line 36. One counterexample starts in \old(counter)=15, a=0, b=4294967296, counter=-2147483649, u=-4294967296, v=0, x=-4294967293, y=25769803775 and ends in \old(counter)=15, counter=-2147483648. Annotation is not valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur at line 36. One counterexample starts in counter=-2147483650 and ends in counter=-2147483650. Annotation is not valid for all loop-free paths from loop head at line 36 to exit of procedure main. One counterexample starts in \old(counter)=2, a=0, b=0, counter=-1, u=0, v=0, x=0, y=0 and ends in \old(counter)=2, \result=0, counter=0. Annotation is not valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. One counterexample starts in a=0, b=0, counter=5, u=1, v=0, x=1, y=0 and ends in counter=6. Annotation is not valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. One counterexample starts in a=0, b=0, counter=0, u=1, v=0, x=1, y=0 and ends in counter=1. 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 check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur at line 42. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. 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 36 to check that integer overflow can never occur at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 151.0MB. Free memory is still 112.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 151.0MB. Free memory is still 96.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.02ms. Allocated memory is still 151.0MB. Free memory was 94.5MB in the beginning and 80.6MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.10ms. Allocated memory is still 151.0MB. Free memory was 80.6MB in the beginning and 78.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 475.72ms. Allocated memory is still 151.0MB. Free memory was 78.1MB in the beginning and 119.8MB in the end (delta: -41.7MB). Peak memory consumption was 21.6MB. Max. memory is 16.1GB. * Referee took 2436.98ms. Allocated memory was 151.0MB in the beginning and 216.0MB in the end (delta: 65.0MB). Free memory was 119.2MB in the beginning and 136.7MB in the end (delta: -17.5MB). Peak memory consumption was 70.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:12:35,257 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