./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c --full-output --witness-type correctness_witness --procedureinliner.inline.calls.to.implemented.procedures NEVER --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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/nla-digbench-scaling/lcm2_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.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 15:33:07,933 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:08,018 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:08,028 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:08,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:08,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:08,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:08,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:08,059 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:08,060 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:08,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:08,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:08,062 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:08,064 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:08,064 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:08,064 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:08,065 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:08,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:08,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:08,065 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:08,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:08,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:08,071 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:08,071 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:08,071 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:08,071 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:08,072 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:08,072 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:08,072 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:08,072 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:08,073 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:08,073 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:08,399 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:08,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:08,435 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:08,437 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:08,438 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:08,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-10-15 15:33:10,050 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:10,256 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:10,257 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-10-15 15:33:10,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bd64c2014/77d383c83d0c457db9d37750858c6184/FLAG506884ab0 [2024-10-15 15:33:10,636 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bd64c2014/77d383c83d0c457db9d37750858c6184 [2024-10-15 15:33:10,639 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:10,639 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:10,640 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-10-15 15:33:10,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:10,696 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:10,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:10,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:10,716 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:10,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:10" (1/2) ... [2024-10-15 15:33:10,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240fec29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:10, skipping insertion in model container [2024-10-15 15:33:10,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:10" (1/2) ... [2024-10-15 15:33:10,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@43147898 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:10, skipping insertion in model container [2024-10-15 15:33:10,722 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 03:33:10" (2/2) ... [2024-10-15 15:33:10,722 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@240fec29 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:10, skipping insertion in model container [2024-10-15 15:33:10,722 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 03:33:10" (2/2) ... [2024-10-15 15:33:10,732 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:10,734 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-10-15 15:33:10,737 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:10,737 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:33:10,756 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:10,936 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/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-10-15 15:33:10,959 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:10,968 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:11,013 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/nla-digbench-scaling/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-10-15 15:33:11,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:11,049 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:11,050 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:11 WrapperNode [2024-10-15 15:33:11,050 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:11,051 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:11,051 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:11,051 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:11,058 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,069 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,079 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:11,080 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:11,080 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:11,080 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:11,080 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:11,091 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,091 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,094 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,102 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 [2024-10-15 15:33:11,103 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,103 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,110 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,114 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,115 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,116 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,120 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:11,121 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:11,121 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:11,121 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:11,122 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 03:33:11" (1/1) ... [2024-10-15 15:33:11,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:11,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:11,155 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 15:33:11,159 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 15:33:11,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:11,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:11,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:11,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:11,210 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:11,294 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:11,297 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:11,628 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:11,655 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:11,694 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:11,694 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:11,695 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:11 BoogieIcfgContainer [2024-10-15 15:33:11,695 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:11,696 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:11,696 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:11,697 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:11,697 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:10" (1/4) ... [2024-10-15 15:33:11,698 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@272208b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:11, skipping insertion in model container [2024-10-15 15:33:11,699 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 03:33:10" (2/4) ... [2024-10-15 15:33:11,700 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@272208b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:11, skipping insertion in model container [2024-10-15 15:33:11,700 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 03:33:11" (3/4) ... [2024-10-15 15:33:11,700 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@272208b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:11, skipping insertion in model container [2024-10-15 15:33:11,700 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 03:33:11" (4/4) ... [2024-10-15 15:33:11,703 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-10-15 15:33:11,707 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:11,707 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:11,708 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:11,708 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:11,708 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 15:33:11,708 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 15:33:11,709 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-10-15 15:33:11,709 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:11,709 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:33:11,770 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:11,771 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:11,772 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:11,773 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:11,774 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:11,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,788 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:11,789 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,789 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:11,789 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:11,790 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:11,797 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:11,814 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:11,840 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:11,841 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:11,841 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:11,841 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:11,841 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:11,842 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,864 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:11,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,864 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:11,864 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:11,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:11,871 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:11,874 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:11,897 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:11,898 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:11,898 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:11,898 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:11,898 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:11,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,906 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:11,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,906 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:11,908 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:11,908 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:11,908 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,912 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:15,927 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:15,927 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,927 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,927 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,928 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,930 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:15,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,930 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,930 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,931 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,931 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,934 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:15,948 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:15,948 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,949 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,949 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,949 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,950 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:15,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,951 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,951 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,951 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,951 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,953 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:15,964 INFO L309 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-10-15 15:33:15,965 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,965 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,965 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,965 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,965 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,993 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-10-15 15:33:15,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,994 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,994 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,994 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,995 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,999 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:16,015 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:33:16,016 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:16,017 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:16,018 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:16,018 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:16,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:16,052 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:33:16,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:16,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:16,053 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:16,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:16,062 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:20,068 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:20,074 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:20,075 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@272208b0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:20, skipping insertion in model container [2024-10-15 15:33:20,075 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:20,077 INFO L158 Benchmark]: Toolchain (without parser) took 9380.73ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 31.2MB in the beginning and 45.7MB in the end (delta: -14.5MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:20,078 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 38.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:20,078 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:20,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.66ms. Allocated memory is still 67.1MB. Free memory was 31.0MB in the beginning and 34.4MB in the end (delta: -3.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:20,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.73ms. Allocated memory is still 67.1MB. Free memory was 34.2MB in the beginning and 33.3MB in the end (delta: 926.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:20,080 INFO L158 Benchmark]: Boogie Preprocessor took 40.07ms. Allocated memory is still 67.1MB. Free memory was 33.3MB in the beginning and 31.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:20,080 INFO L158 Benchmark]: RCFGBuilder took 574.12ms. Allocated memory is still 67.1MB. Free memory was 31.6MB in the beginning and 34.2MB in the end (delta: -2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:20,081 INFO L158 Benchmark]: Referee took 8379.82ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.2MB in the beginning and 45.7MB in the end (delta: -11.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-10-15 15:33:20,084 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 34.8MB in the beginning and 34.8MB in the end (delta: 38.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 67.1MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.66ms. Allocated memory is still 67.1MB. Free memory was 31.0MB in the beginning and 34.4MB in the end (delta: -3.4MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.73ms. Allocated memory is still 67.1MB. Free memory was 34.2MB in the beginning and 33.3MB in the end (delta: 926.9kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.07ms. Allocated memory is still 67.1MB. Free memory was 33.3MB in the beginning and 31.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 574.12ms. Allocated memory is still 67.1MB. Free memory was 31.6MB in the beginning and 34.2MB in the end (delta: -2.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 8379.82ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 34.2MB in the beginning and 45.7MB in the end (delta: -11.5MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:20,120 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/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/nla-digbench-scaling/lcm2_valuebound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --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 15:33:22,263 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:22,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:33:22,348 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:22,349 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:22,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:22,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:22,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:22,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:22,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:22,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:22,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:22,377 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:22,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:22,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:22,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:22,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:22,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:22,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:22,386 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:22,386 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:22,387 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:33:22,388 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:33:22,388 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:22,388 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:33:22,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:22,389 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:22,389 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:22,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:22,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:22,390 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:22,390 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:22,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:22,391 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:22,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:22,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:22,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:22,764 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:22,764 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:22,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-10-15 15:33:24,396 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:24,582 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:24,582 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-10-15 15:33:24,590 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2e5208e60/176cc8836159496d84743f3cafcc8f3a/FLAG67638e166 [2024-10-15 15:33:24,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2e5208e60/176cc8836159496d84743f3cafcc8f3a [2024-10-15 15:33:24,605 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:24,606 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:24,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-10-15 15:33:24,665 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:24,667 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:24,670 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:24,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:24,676 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:24,677 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:24" (1/2) ... [2024-10-15 15:33:24,678 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2967edd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24, skipping insertion in model container [2024-10-15 15:33:24,678 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:24" (1/2) ... [2024-10-15 15:33:24,680 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c8ee62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24, skipping insertion in model container [2024-10-15 15:33:24,681 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 03:33:24" (2/2) ... [2024-10-15 15:33:24,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2967edd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:24, skipping insertion in model container [2024-10-15 15:33:24,681 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 03:33:24" (2/2) ... [2024-10-15 15:33:24,693 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:24,694 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-10-15 15:33:24,694 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:24,694 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:33:24,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:24,935 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/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-10-15 15:33:24,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:24,969 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:25,014 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/nla-digbench-scaling/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-10-15 15:33:25,034 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:25,055 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:25,055 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:25 WrapperNode [2024-10-15 15:33:25,056 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:25,057 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:25,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:25,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:25,065 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,075 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,082 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:25,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:25,084 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:25,084 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:25,084 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:25,095 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,095 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,099 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,110 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 [2024-10-15 15:33:25,112 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,112 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,123 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,128 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,130 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,132 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:25,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:25,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:25,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:25,138 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 03:33:25" (1/1) ... [2024-10-15 15:33:25,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:25,154 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:25,171 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 15:33:25,174 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 15:33:25,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:33:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:25,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:25,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:25,302 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:25,305 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:25,873 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:25,914 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:25,951 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:25,952 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:25,952 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:25 BoogieIcfgContainer [2024-10-15 15:33:25,952 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:25,953 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:25,953 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:25,954 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:25,954 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:24" (1/4) ... [2024-10-15 15:33:25,955 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b94a913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:25, skipping insertion in model container [2024-10-15 15:33:25,955 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 03:33:24" (2/4) ... [2024-10-15 15:33:25,955 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b94a913 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:25, skipping insertion in model container [2024-10-15 15:33:25,955 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 03:33:25" (3/4) ... [2024-10-15 15:33:25,956 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b94a913 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:25, skipping insertion in model container [2024-10-15 15:33:25,956 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 03:33:25" (4/4) ... [2024-10-15 15:33:25,960 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-10-15 15:33:25,965 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:25,966 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:33:25,967 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:25,967 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:25,967 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 15:33:25,967 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 15:33:25,967 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-10-15 15:33:25,968 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:33:25,968 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:33:26,014 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:26,016 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:26,017 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:26,018 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:26,019 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:26,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:26,036 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:26,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:26,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:26,038 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:26,038 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:26,043 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:26,064 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:26,098 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:26,099 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:26,099 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:26,099 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:26,099 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:26,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:26,114 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:26,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:26,115 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:26,115 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:26,115 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:26,116 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:26,118 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:26,134 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:26,135 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:26,135 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:26,135 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:26,135 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:26,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:26,148 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:26,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:26,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:26,149 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:26,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:26,149 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,200 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:30,234 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:30,234 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,234 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,235 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,235 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,238 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:30,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,239 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,240 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,241 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:30,273 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:30,274 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,274 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,274 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,274 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,276 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:30,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,276 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,276 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,276 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,276 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,283 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:30,310 INFO L309 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-10-15 15:33:30,311 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,311 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,311 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,311 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,332 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-10-15 15:33:30,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,333 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,334 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,334 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,334 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:30,358 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:30,378 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:33:30,378 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:30,378 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:30,379 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:30,379 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:30,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,402 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:33:30,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:30,403 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:30,403 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:30,403 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:30,413 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:34,515 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:34,547 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:34,547 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3b94a913 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:34, skipping insertion in model container [2024-10-15 15:33:34,548 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:34,549 INFO L158 Benchmark]: Toolchain (without parser) took 9881.97ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 40.6MB in the beginning and 68.9MB in the end (delta: -28.3MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-10-15 15:33:34,549 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:34,550 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 75.5MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 177.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:34,550 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.56ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 43.3MB in the end (delta: -2.9MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-10-15 15:33:34,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.99ms. Allocated memory is still 75.5MB. Free memory was 43.3MB in the beginning and 42.3MB in the end (delta: 995.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:34,551 INFO L158 Benchmark]: Boogie Preprocessor took 51.26ms. Allocated memory is still 75.5MB. Free memory was 42.1MB in the beginning and 40.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:34,552 INFO L158 Benchmark]: RCFGBuilder took 816.45ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 46.4MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:33:34,552 INFO L158 Benchmark]: Referee took 8594.52ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 46.4MB in the beginning and 68.9MB in the end (delta: -22.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2024-10-15 15:33:34,555 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 54.5MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 75.5MB. Free memory was 42.6MB in the beginning and 42.5MB in the end (delta: 177.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.56ms. Allocated memory is still 75.5MB. Free memory was 40.4MB in the beginning and 43.3MB in the end (delta: -2.9MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.99ms. Allocated memory is still 75.5MB. Free memory was 43.3MB in the beginning and 42.3MB in the end (delta: 995.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.26ms. Allocated memory is still 75.5MB. Free memory was 42.1MB in the beginning and 40.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.45ms. Allocated memory is still 75.5MB. Free memory was 40.3MB in the beginning and 46.4MB in the end (delta: -6.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8594.52ms. Allocated memory was 75.5MB in the beginning and 92.3MB in the end (delta: 16.8MB). Free memory was 46.4MB in the beginning and 68.9MB in the end (delta: -22.4MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:34,610 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN