./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops-crafted-1/nested5-1.c --full-output --witness-type correctness_witness --procedureinliner.inline.calls.to.implemented.procedures NEVER --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/nested5-1.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e378df2c Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/loops-crafted-1/nested5-1.c ../results/automizer-verification-files/SV-COMP24_unreach-call/nested5-1.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 --procedureinliner.inline.calls.to.implemented.procedures NEVER --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:28,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:28,456 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:28,460 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:28,461 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:28,479 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:28,481 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:28,482 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:28,482 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:28,484 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:28,484 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:28,485 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:28,485 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:28,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:28,487 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:28,488 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:28,488 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:28,488 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:28,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:28,489 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:28,489 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:28,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:28,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:28,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:28,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:28,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:28,490 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:28,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:28,492 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:28,493 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:28,493 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:28,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:28,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:28,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:28,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:28,818 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:28,819 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:28,821 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/nested5-1.c [2024-10-15 15:31:30,166 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:30,331 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:30,332 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/nested5-1.c [2024-10-15 15:31:30,341 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1e7266250/f3c9b229140049aea5b63acdbeb9df79/FLAGe8ab5878f [2024-10-15 15:31:30,730 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1e7266250/f3c9b229140049aea5b63acdbeb9df79 [2024-10-15 15:31:30,732 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:30,733 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:30,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/nested5-1.yml/witness-2.1.yml [2024-10-15 15:31:30,776 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:30,777 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:30,778 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:30,778 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:30,782 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:30,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:30" (1/2) ... [2024-10-15 15:31:30,785 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d62f0aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:30, skipping insertion in model container [2024-10-15 15:31:30,785 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:30" (1/2) ... [2024-10-15 15:31:30,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72a429b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:30, skipping insertion in model container [2024-10-15 15:31:30,787 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:30" (2/2) ... [2024-10-15 15:31:30,787 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d62f0aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:30, skipping insertion in model container [2024-10-15 15:31:30,787 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:30" (2/2) ... [2024-10-15 15:31:30,793 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:30,794 INFO L1541 ArrayList]: Loop invariant at [L23-L23] ((v == 0) || (((v + 4294967295) % 4294967296) < 10)) [2024-10-15 15:31:30,794 INFO L1541 ArrayList]: Function contract at [L5]: requires ((0 <= cond) && (cond <= 3)), ensures ((0 <= cond) && (cond <= 3)) [2024-10-15 15:31:30,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:30,945 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/nested5-1.c[321,334] [2024-10-15 15:31:30,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:30,971 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:31,007 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/nested5-1.c[321,334] Start Parsing Local [2024-10-15 15:31:31,016 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:31,033 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:31,033 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31 WrapperNode [2024-10-15 15:31:31,034 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:31,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:31,035 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:31,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:31,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,047 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,053 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:31,053 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:31,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:31,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:31,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:31,064 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,065 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,069 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,081 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 [2024-10-15 15:31:31,082 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,082 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,085 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,089 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,093 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,094 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:31,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:31,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:31,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:31,098 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 15.10 03:31:31" (1/1) ... [2024-10-15 15:31:31,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:31,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:31,126 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) [2024-10-15 15:31:31,128 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 [2024-10-15 15:31:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:31,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:31,170 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:31,170 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:31,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:31,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:31,228 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:31,232 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:31,370 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:31,387 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:31,407 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:31,407 INFO L314 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-15 15:31:31,408 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:31 BoogieIcfgContainer [2024-10-15 15:31:31,408 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:31,409 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:31,409 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:31,409 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:31,410 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:30" (1/4) ... [2024-10-15 15:31:31,410 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41a4f819 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,410 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:30" (2/4) ... [2024-10-15 15:31:31,411 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41a4f819 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,411 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 15.10 03:31:31" (3/4) ... [2024-10-15 15:31:31,411 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41a4f819 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,411 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:31" (4/4) ... [2024-10-15 15:31:31,412 INFO L79 RefereeObserver]: Analyzing ICFG nested5-1.c [2024-10-15 15:31:31,416 INFO L113 InvariantChecker]: Found 5 loops. [2024-10-15 15:31:31,417 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:31,418 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L23-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:31,421 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L22-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-10-15 15:31:31,421 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:31,421 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:31,422 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location [2024-10-15 15:31:31,458 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:31,459 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:31,460 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:31,460 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:31,462 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:31,464 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,477 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:31,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:31,480 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:31,481 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:31,484 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:31,498 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:31,509 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:31,510 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:31,510 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:31,510 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:31,510 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:31,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,518 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:31,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,519 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:31,519 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:31,519 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:31,519 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:31,527 INFO L520 InvariantChecker]: The annotation(s) from loop head L23-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:31,543 INFO L309 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-10-15 15:31:31,543 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:31,544 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:31,544 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:31,544 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:31,544 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,547 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-10-15 15:31:31,548 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,548 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:31,548 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:31,548 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:31,548 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:31,553 INFO L520 InvariantChecker]: The annotation(s) from loop head L22-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:31,564 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:31,565 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:31,565 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:31,565 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:31,565 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:31,566 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,571 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:31,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,575 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:31,575 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:31,575 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:31,577 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:31,581 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:31,587 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:31,587 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:31,587 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:31,587 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:31,587 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:31,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,589 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:31,589 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:31,589 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:31,589 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:31,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:31,589 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:31,601 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-10-15 15:31:31,601 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@41a4f819 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:31, skipping insertion in model container [2024-10-15 15:31:31,601 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:31,603 INFO L158 Benchmark]: Toolchain (without parser) took 825.15ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 42.7MB in the beginning and 43.8MB in the end (delta: -1.1MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2024-10-15 15:31:31,603 INFO L158 Benchmark]: CDTParser took 1.35ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:31,604 INFO L158 Benchmark]: Witness Parser took 0.07ms. Allocated memory is still 67.1MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:31,604 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.77ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 42.4MB in the beginning and 73.1MB in the end (delta: -30.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-10-15 15:31:31,605 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.91ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 72.3MB in the end (delta: 745.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:31,605 INFO L158 Benchmark]: Boogie Preprocessor took 42.31ms. Allocated memory is still 94.4MB. Free memory was 71.9MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:31,605 INFO L158 Benchmark]: RCFGBuilder took 310.69ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 58.1MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:31,606 INFO L158 Benchmark]: Referee took 192.86ms. Allocated memory is still 94.4MB. Free memory was 58.1MB in the beginning and 43.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:31:31,608 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 23 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from loop head at line 23 to loop head at line 23. Annotation is valid for all loop-free paths from loop head at line 22 to loop head at line 23. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.35ms. Allocated memory is still 67.1MB. Free memory was 48.9MB in the beginning and 48.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.07ms. Allocated memory is still 67.1MB. Free memory is still 44.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 255.77ms. Allocated memory was 67.1MB in the beginning and 94.4MB in the end (delta: 27.3MB). Free memory was 42.4MB in the beginning and 73.1MB in the end (delta: -30.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.91ms. Allocated memory is still 94.4MB. Free memory was 73.1MB in the beginning and 72.3MB in the end (delta: 745.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.31ms. Allocated memory is still 94.4MB. Free memory was 71.9MB in the beginning and 70.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 310.69ms. Allocated memory is still 94.4MB. Free memory was 70.2MB in the beginning and 58.1MB in the end (delta: 12.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 192.86ms. Allocated memory is still 94.4MB. Free memory was 58.1MB in the beginning and 43.8MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-10-15 15:31:31,642 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