./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hard-ll_valuebound2.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/hard-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard-ll_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 16:50:29,704 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 16:50:29,753 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 16:50:29,759 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 16:50:29,760 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 16:50:29,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 16:50:29,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 16:50:29,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 16:50:29,778 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 16:50:29,779 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 16:50:29,780 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 16:50:29,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 16:50:29,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 16:50:29,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 16:50:29,781 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 16:50:29,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 16:50:29,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 16:50:29,781 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 16:50:29,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 16:50:29,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 16:50:29,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 16:50:29,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 16:50:29,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 16:50:29,782 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 16:50:29,783 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 16:50:29,783 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 16:50:29,783 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 16:50:29,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 16:50:29,783 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 16:50:29,783 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 16:50:29,784 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 16:50:29,784 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 16:50:29,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:29,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 16:50:29,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 16:50:29,784 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 16:50:29,784 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 16:50:29,785 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 16:50:29,785 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 16:50:29,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 16:50:29,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 16:50:29,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 16:50:29,785 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-12 16:50:29,998 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 16:50:30,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 16:50:30,019 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 16:50:30,019 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 16:50:30,020 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 16:50:30,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard-ll_valuebound2.yml/witness-2.1.yml [2024-09-12 16:50:30,062 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 16:50:30,062 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 16:50:30,063 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2024-09-12 16:50:31,331 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 16:50:31,455 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 16:50:31,455 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c [2024-09-12 16:50:31,460 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6f28c5955/70c342f8dd8c48ffb3a5526b139b1abf/FLAG86425334f [2024-09-12 16:50:31,877 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6f28c5955/70c342f8dd8c48ffb3a5526b139b1abf [2024-09-12 16:50:31,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 16:50:31,881 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 16:50:31,882 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:31,882 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 16:50:31,887 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 16:50:31,887 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 04:50:30" (1/2) ... [2024-09-12 16:50:31,888 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c1687a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:31, skipping insertion in model container [2024-09-12 16:50:31,888 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 04:50:30" (1/2) ... [2024-09-12 16:50:31,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5abdfaee and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 04:50:31, skipping insertion in model container [2024-09-12 16:50:31,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:31" (2/2) ... [2024-09-12 16:50:31,889 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c1687a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:31, skipping insertion in model container [2024-09-12 16:50:31,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 04:50:31" (2/2) ... [2024-09-12 16:50:31,897 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 16:50:31,897 INFO L1541 ArrayList]: Loop invariant at [L36-L44] (((((((((A % 4294967296) == r) && ((d + ((B / 4294967296) * 4294967296)) == B)) && (q == 0)) && (1 <= d)) && ((A % 4294967296) <= 2)) && (p == 1)) || ((((((((A % 4294967296) == r) && (d == ((long long) 2 * (B % 4294967296)))) && (p == 2)) && (q == 0)) && (1 <= d)) && ((A % 4294967296) <= 2)) && ((B % 4294967296) <= r))) || (((((((0 <= (r + (((__int128) -1 * d) / 2))) && (((A % 4294967296) + d) == (((long long) (B % 4294967296) * 4) + r))) && (q == 0)) && (p == 4)) && (((A % 4294967296) + (d / 2)) == (r + ((long long) 2 * (B % 4294967296))))) && (1 <= d)) && ((A % 4294967296) <= 2))) [2024-09-12 16:50:31,898 INFO L1541 ArrayList]: Loop invariant at [L46-L58] ((((((((((((0 <= r) && (((__int128) r + 1) <= d)) && ((d + r) == (A % 4294967296))) && ((r + ((long long) 2 * (B % 4294967296))) == ((A % 4294967296) + d))) && (q == 1)) && ((A % 4294967296) <= 2)) && (p == 1)) || ((((((r == 0) && (q == 2)) && (p == 2)) && ((((B / 4294967296) * 4294967296) + 1) == B)) && ((A % 4294967296) == 2)) && (d == 2))) || ((((((((A % 4294967296) == r) && (d == ((long long) 2 * (B % 4294967296)))) && (((__int128) r + 1) <= d)) && (p == 2)) && (q == 0)) && ((A % 4294967296) <= 2)) && ((B % 4294967296) <= r))) || (((((((B % 4294967296) == 1) && (r == 0)) && (q == 2)) && ((A % 4294967296) == 2)) && (d == 1)) && (p == 1))) || (((((A % 4294967296) == r) && ((d + ((B / 4294967296) * 4294967296)) == B)) && (q == 0)) && (p == 1))) || (((((((0 <= (r + (((__int128) -1 * d) / 2))) && (((A % 4294967296) + d) == (((long long) (B % 4294967296) * 4) + r))) && (q == 0)) && (p == 4)) && (((A % 4294967296) + (d / 2)) == (r + ((long long) 2 * (B % 4294967296))))) && (1 <= d)) && ((A % 4294967296) <= 2))) [2024-09-12 16:50:31,898 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures (\old(cond) != 0) [2024-09-12 16:50:31,898 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-12 16:50:31,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 16:50:32,040 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard-ll_valuebound2.c[538,551] [2024-09-12 16:50:32,066 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:32,074 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 16:50:32,100 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/hard-ll_valuebound2.c[538,551] Start Parsing Local Start Parsing Local [2024-09-12 16:50:32,127 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 16:50:32,145 INFO L204 MainTranslator]: Completed translation [2024-09-12 16:50:32,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32 WrapperNode [2024-09-12 16:50:32,145 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 16:50:32,146 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 16:50:32,146 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 16:50:32,146 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 16:50:32,156 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,156 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,162 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,170 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 16:50:32,171 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,171 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,177 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,183 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,184 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,185 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,191 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 16:50:32,192 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 16:50:32,192 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 16:50:32,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 16:50:32,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (1/1) ... [2024-09-12 16:50:32,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 16:50:32,204 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 16:50:32,216 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 16:50:32,218 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 16:50:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 16:50:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 16:50:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 16:50:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 16:50:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 16:50:32,250 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 16:50:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 16:50:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 16:50:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 16:50:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 16:50:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 16:50:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 16:50:32,251 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 16:50:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 16:50:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 16:50:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 16:50:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 16:50:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 16:50:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 16:50:32,252 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 16:50:32,314 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 16:50:32,315 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 16:50:32,583 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 16:50:32,617 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-12 16:50:32,617 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 16:50:32,630 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 16:50:32,630 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-12 16:50:32,630 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:32 BoogieIcfgContainer [2024-09-12 16:50:32,630 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 16:50:32,631 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 16:50:32,631 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 16:50:32,632 INFO L274 PluginConnector]: Referee initialized [2024-09-12 16:50:32,632 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 04:50:30" (1/4) ... [2024-09-12 16:50:32,632 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@336e857b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 04:50:32, skipping insertion in model container [2024-09-12 16:50:32,632 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 04:50:31" (2/4) ... [2024-09-12 16:50:32,632 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@336e857b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:50:32, skipping insertion in model container [2024-09-12 16:50:32,632 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 04:50:32" (3/4) ... [2024-09-12 16:50:32,633 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@336e857b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 04:50:32, skipping insertion in model container [2024-09-12 16:50:32,633 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 04:50:32" (4/4) ... [2024-09-12 16:50:32,633 INFO L79 RefereeObserver]: Analyzing ICFG hard-ll_valuebound2.c [2024-09-12 16:50:32,636 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-12 16:50:32,637 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 16:50:32,637 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-12 16:50:32,637 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:32,637 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-12 16:50:32,637 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-12 16:50:32,637 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-12 16:50:32,638 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:50:32,638 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-12 16:50:32,638 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:32,638 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 16:50:32,638 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L54-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 16:50:32,638 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 16:50:32,638 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 16:50:32,638 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 16:50:32,639 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-12 16:50:32,677 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 16:50:32,678 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:32,678 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:32,679 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:32,680 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:32,681 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,687 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 16:50:32,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,688 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:32,688 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:32,689 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:32,690 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:32,701 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:32,722 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-12 16:50:32,723 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:32,723 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:32,723 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:32,724 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:32,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,757 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-12 16:50:32,757 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,757 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:32,757 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:32,757 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:32,762 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:32,765 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:32,785 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:32,785 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:32,785 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:32,785 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:32,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:32,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,794 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:32,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,794 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:32,795 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:32,795 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:32,795 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:32,821 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-12 16:50:32,822 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:32,822 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:32,822 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:32,822 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:32,822 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,869 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-12 16:50:32,870 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,871 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:32,871 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:32,872 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:32,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:32,890 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:32,909 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-12 16:50:32,909 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:32,909 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:32,910 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:32,910 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:32,910 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,947 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-12 16:50:32,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,948 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:32,948 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:32,948 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:32,952 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:32,955 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:32,964 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-12 16:50:32,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:32,965 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:32,965 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:32,965 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:32,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,978 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-12 16:50:32,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:32,978 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:32,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:32,978 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:32,982 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:32,985 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:32,996 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 16:50:32,996 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:32,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:32,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:32,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:32,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,012 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 16:50:33,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:33,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:33,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:33,014 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:33,018 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:33,030 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 16:50:33,030 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:33,031 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:33,031 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:33,032 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:33,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,039 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 16:50:33,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,040 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:33,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:33,040 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:33,040 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:33,042 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 16:50:33,052 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:33,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:33,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:33,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:33,053 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:33,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,060 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:33,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:33,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:33,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:33,061 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:33,080 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:33,080 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:33,080 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:33,080 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:33,080 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:33,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,085 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:33,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,085 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:33,085 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:33,085 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:33,085 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:33,088 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:33,096 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 16:50:33,096 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:33,096 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:33,097 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:33,097 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:33,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,104 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 16:50:33,104 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:33,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:33,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:33,105 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:33,110 INFO L514 InvariantChecker]: The annotation(s) from loop head L54-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:33,119 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 16:50:33,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:33,120 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:33,120 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:33,120 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:33,120 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,121 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 16:50:33,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:33,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:33,122 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:33,123 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:33,124 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 16:50:33,132 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 16:50:33,132 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:33,132 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:33,132 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:33,132 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:33,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,135 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 16:50:33,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,135 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:33,135 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:33,135 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:33,135 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:33,136 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 16:50:33,144 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 16:50:33,144 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 16:50:33,145 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 16:50:33,145 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 16:50:33,145 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 16:50:33,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,156 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 16:50:33,156 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 16:50:33,156 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 16:50:33,156 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 16:50:33,156 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 16:50:33,156 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 16:50:33,160 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 16:50:33,167 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 16:50:33,169 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@336e857b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 04:50:33, skipping insertion in model container [2024-09-12 16:50:33,169 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 16:50:33,171 INFO L158 Benchmark]: Toolchain (without parser) took 1288.84ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 57.6MB in the end (delta: 67.6MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2024-09-12 16:50:33,171 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 104.9MB. Free memory was 75.5MB in the beginning and 75.3MB in the end (delta: 199.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:33,171 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 16:50:33,172 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.98ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 109.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 16:50:33,173 INFO L158 Benchmark]: Boogie Preprocessor took 45.13ms. Allocated memory is still 163.6MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 16:50:33,173 INFO L158 Benchmark]: RCFGBuilder took 438.81ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 107.0MB in the end (delta: 567.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-12 16:50:33,174 INFO L158 Benchmark]: Referee took 538.13ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 57.6MB in the end (delta: 49.4MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. [2024-09-12 16:50:33,176 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 procedure precondition always holds at line 37. One counterexample starts in A=2, B=1, d=3, p=4, q=0, r=1 and ends in B=1, d=3, p=4, q=0. Annotation is not valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. One counterexample starts in A=2, B=1, d=3, p=4, q=0, r=1 and ends in d=3, p=4. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. 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 loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 46. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 46. 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 36 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 60. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 36 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 0.14ms. Allocated memory is still 104.9MB. Free memory was 75.5MB in the beginning and 75.3MB in the end (delta: 199.2kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 104.9MB. Free memory is still 73.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.98ms. Allocated memory is still 163.6MB. Free memory was 125.2MB in the beginning and 109.7MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.13ms. Allocated memory is still 163.6MB. Free memory was 109.7MB in the beginning and 107.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.81ms. Allocated memory is still 163.6MB. Free memory was 107.6MB in the beginning and 107.0MB in the end (delta: 567.1kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 538.13ms. Allocated memory is still 163.6MB. Free memory was 107.0MB in the beginning and 57.6MB in the end (delta: 49.4MB). Peak memory consumption was 70.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 16:50:33,204 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