./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_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/hard2_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_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 [2024-09-11 20:50:58,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:50:58,922 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:50:58,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:50:58,928 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:50:58,951 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:50:58,952 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:50:58,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:50:58,954 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:50:58,955 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:50:58,956 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:50:58,956 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:50:58,957 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:50:58,959 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:50:58,959 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:50:58,960 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:50:58,960 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:50:58,960 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:50:58,960 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:50:58,961 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:50:58,961 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:50:58,964 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:50:58,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:50:58,964 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:50:58,964 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:50:58,965 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:50:58,965 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:50:58,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:50:58,966 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:50:58,966 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:50:58,966 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:50:58,966 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:50:58,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:50:58,967 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:50:58,967 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:50:58,967 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:50:58,968 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:50:58,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:50:58,969 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:50:58,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:50:58,969 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:50:58,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:50:58,970 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:50:59,283 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:50:59,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:50:59,313 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:50:59,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:50:59,315 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:50:59,317 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-09-11 20:51:00,793 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:51:00,985 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:51:00,988 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/hard2_valuebound2.c [2024-09-11 20:51:00,999 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/df85faeb8/c1129a378d704d6f907ed82cb7881859/FLAG8295710a6 [2024-09-11 20:51:01,020 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/df85faeb8/c1129a378d704d6f907ed82cb7881859 [2024-09-11 20:51:01,024 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:51:01,025 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:51:01,026 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hard2_valuebound2.yml/witness-2.1.yml [2024-09-11 20:51:01,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:51:01,083 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:51:01,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:01,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:51:01,090 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:51:01,091 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:01" (1/2) ... [2024-09-11 20:51:01,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a2a511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:01, skipping insertion in model container [2024-09-11 20:51:01,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:51:01" (1/2) ... [2024-09-11 20:51:01,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62aa118e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:51:01, skipping insertion in model container [2024-09-11 20:51:01,097 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:01" (2/2) ... [2024-09-11 20:51:01,097 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17a2a511 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01, skipping insertion in model container [2024-09-11 20:51:01,097 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:01" (2/2) ... [2024-09-11 20:51:01,108 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:51:01,110 INFO L1541 ArrayList]: Loop invariant at [L34-L42] (((((((((2 == p) && (q == 0)) && (A <= 2)) && (A == r)) && (1 <= r)) && (B == 1)) && (2 == d)) || (((((((d == 1) && (p == 1)) && (q == 0)) && (A <= 2)) && (A == r)) && (B == 1)) && (0 <= A))) || ((((((p == 4) && (q == 0)) && (A == r)) && (d == 4)) && (2 == r)) && (B == 1))) [2024-09-11 20:51:01,110 INFO L1541 ArrayList]: Loop invariant at [L44-L56] ((((((((((d == 1) && (p == 1)) && (q == 0)) && (A == r)) && (B == 1)) || ((((((2 == A) && (2 == p)) && (r == 0)) && (2 == q)) && (B == 1)) && (2 == d))) || ((((((d == 1) && (p == 1)) && (2 == A)) && (r == 0)) && (2 == q)) && (B == 1))) || ((((((p == 4) && (2 == A)) && (q == 0)) && (d == 4)) && (2 == r)) && (B == 1))) || ((((((2 == p) && (q == 0)) && (A == 1)) && (r == 1)) && (B == 1)) && (2 == d))) || ((((((d == 1) && (p == 1)) && (r == 0)) && (q == 1)) && (A == 1)) && (B == 1))) [2024-09-11 20:51:01,110 INFO L1541 ArrayList]: Function contract at [L14]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:51:01,133 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:51:01,302 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/hard2_valuebound2.c[526,539] [2024-09-11 20:51:01,333 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:01,346 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:51:01,385 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/hard2_valuebound2.c[526,539] Start Parsing Local Start Parsing Local [2024-09-11 20:51:01,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:51:01,432 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:51:01,432 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01 WrapperNode [2024-09-11 20:51:01,432 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:51:01,433 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:51:01,434 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:51:01,434 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:51:01,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,471 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-11 20:51:01,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,481 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,488 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,492 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:51:01,496 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:51:01,497 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:51:01,497 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:51:01,498 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (1/1) ... [2024-09-11 20:51:01,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:51:01,531 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:51:01,551 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-11 20:51:01,553 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-11 20:51:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:51:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:51:01,620 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:51:01,624 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:51:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:51:01,626 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:51:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:51:01,626 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:51:01,627 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:51:01,628 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:51:01,726 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:51:01,731 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:51:01,944 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:51:02,006 INFO L? ?]: Removed 41 outVars from TransFormulas that were not future-live. [2024-09-11 20:51:02,007 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:51:02,030 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:51:02,030 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-11 20:51:02,030 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:02 BoogieIcfgContainer [2024-09-11 20:51:02,031 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:51:02,031 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:51:02,031 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:51:02,032 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:51:02,032 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:51:01" (1/4) ... [2024-09-11 20:51:02,033 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@295b0461 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:51:02, skipping insertion in model container [2024-09-11 20:51:02,033 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:51:01" (2/4) ... [2024-09-11 20:51:02,033 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@295b0461 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:02, skipping insertion in model container [2024-09-11 20:51:02,033 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:51:01" (3/4) ... [2024-09-11 20:51:02,034 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@295b0461 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:51:02, skipping insertion in model container [2024-09-11 20:51:02,034 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:51:02" (4/4) ... [2024-09-11 20:51:02,035 INFO L79 RefereeObserver]: Analyzing ICFG hard2_valuebound2.c [2024-09-11 20:51:02,039 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-11 20:51:02,040 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:51:02,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-11 20:51:02,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-11 20:51:02,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:02,041 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:51:02,042 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:02,042 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:51:02,042 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:51:02,043 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:02,043 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L52-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:51:02,043 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:02,044 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:51:02,044 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:51:02,044 INFO L130 InvariantChecker]: Will check 7 loop-free subgraphs from loop head to error location, 2 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 [2024-09-11 20:51:02,121 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-11 20:51:02,122 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,123 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,123 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,125 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,127 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,209 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-11 20:51:02,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,211 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,211 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,212 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,228 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,251 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:02,268 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:51:02,272 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,273 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,273 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,287 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-11 20:51:02,288 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,288 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,288 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,288 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,291 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,295 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:02,307 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-11 20:51:02,307 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,308 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,308 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,308 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,321 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-11 20:51:02,321 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,322 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,322 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,322 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,325 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,328 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:02,339 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:02,339 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,339 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,339 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,340 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,344 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:02,344 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,344 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,345 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,345 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,345 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,347 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:02,363 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:51:02,363 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,363 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,363 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,363 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,363 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,374 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:51:02,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,376 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,384 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:02,394 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:02,394 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,395 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,395 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,395 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,395 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,398 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:02,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,399 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,399 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,399 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,399 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,402 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:02,412 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:02,412 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,412 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,412 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,413 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,413 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,417 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:02,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,442 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-11 20:51:02,443 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,443 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,443 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,443 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,444 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,455 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-11 20:51:02,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,456 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,456 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,458 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,459 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,462 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:51:02,472 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:02,473 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,473 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,473 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,476 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:02,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,477 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,477 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,480 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:02,491 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:51:02,491 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,491 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,492 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,492 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,492 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,498 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:51:02,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,499 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,500 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,500 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,504 INFO L514 InvariantChecker]: The annotation(s) from loop head L52-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:02,523 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:51:02,523 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,523 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,523 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,524 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,524 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,527 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:51:02,527 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,527 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,528 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,528 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,528 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,531 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:51:02,539 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:51:02,539 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,540 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,540 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,540 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,541 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:51:02,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,542 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,542 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,542 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,543 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,546 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:51:02,555 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:51:02,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:51:02,556 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:51:02,556 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:51:02,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:51:02,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,561 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:51:02,562 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:51:02,563 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:51:02,563 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:51:02,564 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:51:02,564 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:51:02,570 INFO L514 InvariantChecker]: The annotation(s) from loop head L34-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:51:02,576 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:51:02,577 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@295b0461 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:51:02, skipping insertion in model container [2024-09-11 20:51:02,577 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:51:02,578 INFO L158 Benchmark]: Toolchain (without parser) took 1494.64ms. Allocated memory is still 167.8MB. Free memory was 90.6MB in the beginning and 127.2MB in the end (delta: -36.6MB). Peak memory consumption was 31.7MB. Max. memory is 16.1GB. [2024-09-11 20:51:02,578 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:02,579 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:51:02,580 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.88ms. Allocated memory is still 167.8MB. Free memory was 90.4MB in the beginning and 76.4MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:51:02,593 INFO L158 Benchmark]: Boogie Preprocessor took 62.27ms. Allocated memory is still 167.8MB. Free memory was 76.4MB in the beginning and 74.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:51:02,596 INFO L158 Benchmark]: RCFGBuilder took 534.20ms. Allocated memory is still 167.8MB. Free memory was 74.2MB in the beginning and 125.3MB in the end (delta: -51.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-09-11 20:51:02,597 INFO L158 Benchmark]: Referee took 545.53ms. Allocated memory is still 167.8MB. Free memory was 125.3MB in the beginning and 127.2MB in the end (delta: -1.9MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. [2024-09-11 20:51:02,599 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 entry of procedure main to loop head at line 34. One counterexample starts in and ends in A=0, B=0, d=0, p=0, q=0, r=0. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 44. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 58. 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 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 44 to loop head at line 44. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from loop head at line 44 to check that procedure precondition always holds at line 44. 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 44 to check that procedure precondition always holds at line 45. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 137.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.88ms. Allocated memory is still 167.8MB. Free memory was 90.4MB in the beginning and 76.4MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.27ms. Allocated memory is still 167.8MB. Free memory was 76.4MB in the beginning and 74.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 534.20ms. Allocated memory is still 167.8MB. Free memory was 74.2MB in the beginning and 125.3MB in the end (delta: -51.1MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Referee took 545.53ms. Allocated memory is still 167.8MB. Free memory was 125.3MB in the beginning and 127.2MB in the end (delta: -1.9MB). Peak memory consumption was 68.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:51:02,640 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