./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.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_valuebound5.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_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.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 20:12:38,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:38,089 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:12:38,096 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:38,098 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:38,132 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:38,133 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:38,133 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:38,134 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:38,136 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:38,136 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:38,136 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:38,137 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:38,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:38,139 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:38,139 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:38,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:38,140 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:38,140 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:12:38,140 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:38,140 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:38,143 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:38,143 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:38,143 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:38,143 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:38,144 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:38,144 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:38,144 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:38,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:38,144 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:38,145 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:38,145 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:38,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:38,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:38,145 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:38,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:38,146 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:12:38,146 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:12:38,148 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:38,148 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:38,148 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:38,149 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:38,149 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:38,420 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:38,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:38,445 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:38,447 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:38,447 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:38,449 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-12 20:12:38,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:38,503 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:38,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-12 20:12:39,892 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:40,077 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:40,078 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-12 20:12:40,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0e0cdf764/4c3a8f208c444fbc830e4a494c987012/FLAG85fba607f [2024-09-12 20:12:40,453 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0e0cdf764/4c3a8f208c444fbc830e4a494c987012 [2024-09-12 20:12:40,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:40,455 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:40,457 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:40,457 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:40,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:40,463 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 08:12:38" (1/2) ... [2024-09-12 20:12:40,463 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c15ffb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:40, skipping insertion in model container [2024-09-12 20:12:40,464 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 08:12:38" (1/2) ... [2024-09-12 20:12:40,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6ad848e6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:40, skipping insertion in model container [2024-09-12 20:12:40,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:40" (2/2) ... [2024-09-12 20:12:40,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16c15ffb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40, skipping insertion in model container [2024-09-12 20:12:40,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:40" (2/2) ... [2024-09-12 20:12:40,472 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:40,473 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-12 20:12:40,473 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-12 20:12:40,473 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:40,493 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:40,643 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_valuebound5.c[537,550] [2024-09-12 20:12:40,659 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:40,668 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:40,707 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_valuebound5.c[537,550] Start Parsing Local [2024-09-12 20:12:40,726 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:40,740 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:40,741 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40 WrapperNode [2024-09-12 20:12:40,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:40,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:40,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:40,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:40,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,761 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,782 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 20:12:40,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,791 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:40,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:40,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:40,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:40,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (1/1) ... [2024-09-12 20:12:40,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:40,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:40,824 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 20:12:40,834 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 20:12:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:40,866 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:40,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:40,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:40,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:12:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:12:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:12:40,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:40,922 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:40,924 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:41,110 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:41,152 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:41,152 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:41,176 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:41,178 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:41,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:41 BoogieIcfgContainer [2024-09-12 20:12:41,178 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:41,179 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:41,179 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:41,180 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:41,180 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 08:12:38" (1/4) ... [2024-09-12 20:12:41,182 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ad086bf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:41, skipping insertion in model container [2024-09-12 20:12:41,182 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:40" (2/4) ... [2024-09-12 20:12:41,183 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ad086bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:41, skipping insertion in model container [2024-09-12 20:12:41,184 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:40" (3/4) ... [2024-09-12 20:12:41,184 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ad086bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:41, skipping insertion in model container [2024-09-12 20:12:41,184 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:41" (4/4) ... [2024-09-12 20:12:41,185 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-12 20:12:41,192 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:41,194 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:41,194 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 20:12:41,194 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:41,195 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 20:12:41,195 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 20:12:41,195 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:12:41,195 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:12:41,195 INFO L130 InvariantChecker]: Will check 1 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, 2 loop-free subgraphs from loop head to error location [2024-09-12 20:12:41,241 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:41,242 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:41,242 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:41,243 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:41,243 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:41,245 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,251 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:41,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,252 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:41,252 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:41,252 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:41,254 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:41,267 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:41,291 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 20:12:41,292 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:41,292 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:41,292 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:41,292 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:41,293 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,317 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:12:41,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,318 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:41,318 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:41,318 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:41,324 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:41,326 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:41,354 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:41,355 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:41,355 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:41,355 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:41,355 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:41,356 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,373 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:41,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:41,374 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:41,374 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:41,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:41,374 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:45,382 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:45,398 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:45,398 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:45,398 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:45,398 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:45,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:45,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,402 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:45,402 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,402 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:45,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:45,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:45,403 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:45,412 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:45,424 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:45,424 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:45,424 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:45,425 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:45,425 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:45,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,426 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:45,426 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,427 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:45,427 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:45,428 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:45,428 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:45,433 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:45,455 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:12:45,455 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:45,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:45,456 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:45,456 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:45,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,480 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:12:45,481 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,481 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:45,481 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:45,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:45,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:45,485 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:45,500 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:12:45,500 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:45,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:45,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:45,500 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:45,501 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,554 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 20:12:45,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:45,556 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:45,556 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:45,556 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:45,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:49,575 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-12 20:12:49,581 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-12 20:12:49,581 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5ad086bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:49, skipping insertion in model container [2024-09-12 20:12:49,581 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:49,583 INFO L158 Benchmark]: Toolchain (without parser) took 9127.46ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 54.4MB in the beginning and 112.5MB in the end (delta: -58.2MB). Peak memory consumption was 34.2MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,584 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:49,584 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:49,585 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.44ms. Allocated memory is still 109.1MB. Free memory was 54.0MB in the beginning and 40.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,585 INFO L158 Benchmark]: Boogie Preprocessor took 51.81ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 40.3MB in the beginning and 115.8MB in the end (delta: -75.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,586 INFO L158 Benchmark]: RCFGBuilder took 383.95ms. Allocated memory is still 144.7MB. Free memory was 115.7MB in the beginning and 100.8MB in the end (delta: 14.9MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,586 INFO L158 Benchmark]: Referee took 8402.22ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 112.5MB in the end (delta: -11.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-12 20:12:49,589 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.21ms. Allocated memory is still 109.1MB. Free memory is still 77.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 109.1MB. Free memory is still 75.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.44ms. Allocated memory is still 109.1MB. Free memory was 54.0MB in the beginning and 40.3MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.81ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 40.3MB in the beginning and 115.8MB in the end (delta: -75.5MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 383.95ms. Allocated memory is still 144.7MB. Free memory was 115.7MB in the beginning and 100.8MB in the end (delta: 14.9MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * Referee took 8402.22ms. Allocated memory is still 144.7MB. Free memory was 100.8MB in the beginning and 112.5MB in the end (delta: -11.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:12:49,613 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/lcm2_valuebound5.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:12:51,760 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:51,854 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-12 20:12:51,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:51,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:51,897 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:51,897 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:51,898 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:51,899 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:51,900 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:51,901 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:51,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:51,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:51,902 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:51,902 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:51,903 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:51,903 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:51,903 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:51,904 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:51,904 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:51,908 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:51,908 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:51,908 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:51,909 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-12 20:12:51,909 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-12 20:12:51,909 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:51,909 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-12 20:12:51,910 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:51,910 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:51,910 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:51,910 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:51,910 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:51,911 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:51,911 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:51,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:51,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:51,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:51,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:51,914 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-12 20:12:51,915 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-12 20:12:51,915 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:51,915 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:51,915 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:51,916 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:51,916 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-12 20:12:51,916 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:52,245 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:52,266 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:52,270 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:52,271 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:52,272 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:52,274 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-12 20:12:52,330 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:52,331 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:52,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-12 20:12:53,972 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:54,153 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:54,153 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-12 20:12:54,159 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/701647082/9c0e8820cc4a4cf0b84c77d5630f6de9/FLAGfbb81e1be [2024-09-12 20:12:54,555 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/701647082/9c0e8820cc4a4cf0b84c77d5630f6de9 [2024-09-12 20:12:54,555 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:54,556 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:54,557 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:54,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:54,563 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:54,565 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 08:12:52" (1/2) ... [2024-09-12 20:12:54,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495cc556 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:54, skipping insertion in model container [2024-09-12 20:12:54,566 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 08:12:52" (1/2) ... [2024-09-12 20:12:54,567 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@698a507a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:54, skipping insertion in model container [2024-09-12 20:12:54,567 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:54" (2/2) ... [2024-09-12 20:12:54,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495cc556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54, skipping insertion in model container [2024-09-12 20:12:54,568 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:54" (2/2) ... [2024-09-12 20:12:54,578 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:54,583 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-12 20:12:54,583 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:54,583 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-12 20:12:54,603 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:54,786 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_valuebound5.c[537,550] [2024-09-12 20:12:54,813 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:54,833 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:54,878 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_valuebound5.c[537,550] Start Parsing Local [2024-09-12 20:12:54,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:54,915 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:54,916 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54 WrapperNode [2024-09-12 20:12:54,916 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:54,917 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:54,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:54,918 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:54,930 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,941 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,952 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 20:12:54,956 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,956 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:54,980 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:54,981 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:54,981 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:54,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (1/1) ... [2024-09-12 20:12:54,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:54,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:55,013 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 20:12:55,016 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 20:12:55,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:55,063 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:55,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:55,064 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:55,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-12 20:12:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:55,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-12 20:12:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-12 20:12:55,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:55,156 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:55,159 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:55,664 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:55,712 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:55,712 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:55,739 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:55,740 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:55,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:55 BoogieIcfgContainer [2024-09-12 20:12:55,740 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:55,741 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:55,741 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:55,742 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:55,742 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 08:12:52" (1/4) ... [2024-09-12 20:12:55,743 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@475f3aea and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:55, skipping insertion in model container [2024-09-12 20:12:55,743 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:54" (2/4) ... [2024-09-12 20:12:55,743 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@475f3aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:55, skipping insertion in model container [2024-09-12 20:12:55,743 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:54" (3/4) ... [2024-09-12 20:12:55,744 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@475f3aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:55, skipping insertion in model container [2024-09-12 20:12:55,744 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:55" (4/4) ... [2024-09-12 20:12:55,745 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-12 20:12:55,748 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:55,749 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:55,749 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-12 20:12:55,750 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:55,750 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 20:12:55,750 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 20:12:55,750 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-12 20:12:55,750 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 20:12:55,750 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-12 20:12:55,799 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:55,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:55,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:55,801 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:55,802 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:55,804 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:55,821 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:55,823 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:55,823 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:55,824 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:55,824 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:55,827 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:55,841 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:55,861 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-12 20:12:55,862 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:55,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:55,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:55,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:55,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:55,876 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-12 20:12:55,876 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:55,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:55,877 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:55,877 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:55,878 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:55,879 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:55,895 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:55,895 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:55,895 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:55,896 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:55,896 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:55,896 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:55,905 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:55,905 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:55,905 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:55,906 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:55,906 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:55,906 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:55,961 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:55,998 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:55,998 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:55,998 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:55,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:55,999 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:55,999 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:56,005 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:56,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:56,005 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:56,005 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:56,006 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:56,008 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:56,012 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:56,043 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:56,047 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:56,047 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:56,047 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:56,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:56,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:56,049 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:56,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:56,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:56,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:56,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:56,050 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:56,055 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:56,072 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-12 20:12:56,073 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:56,073 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:56,074 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:56,074 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:56,074 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:56,095 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-12 20:12:56,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:56,096 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:56,096 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:56,096 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:56,097 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:56,115 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:56,131 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-12 20:12:56,131 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:56,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:56,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:56,133 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:56,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:56,156 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-12 20:12:56,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:56,157 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:56,157 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:56,157 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:56,162 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:56,184 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:56,192 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-12 20:12:56,192 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@475f3aea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:56, skipping insertion in model container [2024-09-12 20:12:56,192 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:56,194 INFO L158 Benchmark]: Toolchain (without parser) took 1636.79ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 52.0MB in the end (delta: 17.5MB). Peak memory consumption was 32.7MB. Max. memory is 16.1GB. [2024-09-12 20:12:56,194 INFO L158 Benchmark]: Witness Parser took 0.98ms. Allocated memory is still 56.6MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:56,195 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:56,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 359.20ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 55.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:12:56,196 INFO L158 Benchmark]: Boogie Preprocessor took 62.44ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 52.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:56,196 INFO L158 Benchmark]: RCFGBuilder took 759.92ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 60.5MB in the end (delta: -7.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-12 20:12:56,197 INFO L158 Benchmark]: Referee took 451.38ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 52.0MB in the end (delta: 8.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2024-09-12 20:12:56,199 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 entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 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 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.98ms. Allocated memory is still 56.6MB. Free memory is still 38.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 36.8MB in the beginning and 36.7MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 359.20ms. Allocated memory is still 94.4MB. Free memory was 69.5MB in the beginning and 55.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.44ms. Allocated memory is still 94.4MB. Free memory was 55.2MB in the beginning and 52.9MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 759.92ms. Allocated memory is still 94.4MB. Free memory was 52.9MB in the beginning and 60.5MB in the end (delta: -7.6MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Referee took 451.38ms. Allocated memory is still 94.4MB. Free memory was 60.5MB in the beginning and 52.0MB in the end (delta: 8.5MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:12:56,232 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 Result: TRUE