This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:07,672 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:07,751 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:07,756 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:07,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:07,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:07,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:07,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:07,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:07,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:07,791 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:07,792 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:07,792 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:07,793 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:07,793 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:07,793 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:07,794 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:07,794 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:07,795 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:07,795 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:07,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:07,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:07,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:07,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:07,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:07,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:07,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:07,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:07,802 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:07,803 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:07,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:07,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:08,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:08,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:08,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:08,132 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:08,132 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:08,134 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-10-15 15:33:09,688 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:09,877 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:09,878 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-10-15 15:33:09,889 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ed08475ab/82fd2abac64d4ce4beaa405f50793966/FLAG8fd8cbc39 [2024-10-15 15:33:09,909 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ed08475ab/82fd2abac64d4ce4beaa405f50793966 [2024-10-15 15:33:09,911 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:09,912 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:09,912 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-10-15 15:33:09,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:09,970 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:09,972 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:09,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:09,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:09,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:09" (1/2) ... [2024-10-15 15:33:09,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9b585 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:09, skipping insertion in model container [2024-10-15 15:33:09,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:09" (1/2) ... [2024-10-15 15:33:09,981 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3d9580f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:09, skipping insertion in model container [2024-10-15 15:33:09,983 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 03:33:09" (2/2) ... [2024-10-15 15:33:09,984 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9b585 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:09, skipping insertion in model container [2024-10-15 15:33:09,984 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 03:33:09" (2/2) ... [2024-10-15 15:33:09,992 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:09,993 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 15:33:09,995 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:33:09,996 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:10,015 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:10,198 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_valuebound5.c[537,550] [2024-10-15 15:33:10,217 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:10,227 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:10,267 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_valuebound5.c[537,550] Start Parsing Local [2024-10-15 15:33:10,284 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:10,304 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:10,305 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:10 WrapperNode [2024-10-15 15:33:10,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:10,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:10,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:10,307 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:10,313 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,320 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,326 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:10,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:10,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:10,329 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:10,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:10,339 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,340 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,341 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,355 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 15:33:10,356 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,356 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,367 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,370 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,371 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,372 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,373 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:10,374 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:10,378 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:10,378 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:10,379 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 03:33:10" (1/1) ... [2024-10-15 15:33:10,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:10,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:10,411 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 15:33:10,417 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 15:33:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:10,460 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:10,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:10,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:10,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:10,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:10,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:10,541 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:10,543 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:10,830 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:10,862 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:10,897 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:10,897 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:10,897 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:10 BoogieIcfgContainer [2024-10-15 15:33:10,897 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:10,898 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:10,898 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:10,899 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:10,899 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:09" (1/4) ... [2024-10-15 15:33:10,899 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e5defe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:10, skipping insertion in model container [2024-10-15 15:33:10,900 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 03:33:09" (2/4) ... [2024-10-15 15:33:10,900 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e5defe4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:10, skipping insertion in model container [2024-10-15 15:33:10,900 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 03:33:10" (3/4) ... [2024-10-15 15:33:10,904 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e5defe4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:10, skipping insertion in model container [2024-10-15 15:33:10,904 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 03:33:10" (4/4) ... [2024-10-15 15:33:10,905 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-10-15 15:33:10,909 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:10,910 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 15:33:10,910 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 15:33:10,910 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 15:33:10,910 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 15:33:10,911 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 15:33:10,911 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 15:33:10,911 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 15:33:10,911 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 15:33:10,971 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:10,972 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:10,972 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:10,973 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:10,974 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:10,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:10,984 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:10,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:10,985 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:10,988 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:10,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:10,992 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:11,011 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:11,031 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:11,031 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:11,031 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:11,031 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:11,032 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:11,032 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,052 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:11,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:11,052 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:11,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:11,057 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:11,059 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:11,082 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:11,082 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:11,085 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:11,085 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:11,085 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:11,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,092 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:11,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:11,093 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:11,093 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:11,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:11,093 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,100 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:15,114 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:15,114 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,115 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,115 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,115 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,118 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:15,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,118 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,118 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,118 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,119 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,121 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:15,131 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:15,132 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,132 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,132 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,132 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,132 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,134 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:15,134 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,134 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,134 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,134 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,135 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,141 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:15,162 INFO L309 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-10-15 15:33:15,162 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,162 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,162 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,163 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,174 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-10-15 15:33:15,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,174 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,175 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,175 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,175 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:15,177 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:15,192 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:33:15,192 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:15,192 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:15,192 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:15,192 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:15,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,217 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:33:15,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:15,217 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:15,218 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:15,218 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:15,224 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:19,232 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:19,238 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:19,239 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4e5defe4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:19, skipping insertion in model container [2024-10-15 15:33:19,239 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:19,241 INFO L158 Benchmark]: Toolchain (without parser) took 9270.01ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 33.5MB in the beginning and 42.3MB in the end (delta: -8.8MB). Peak memory consumption was 17.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:19,242 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 52.4MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:19,242 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 147.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:19,243 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.83ms. Allocated memory is still 67.1MB. Free memory was 33.4MB in the beginning and 35.0MB in the end (delta: -1.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:19,243 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.01ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 33.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:19,244 INFO L158 Benchmark]: Boogie Preprocessor took 44.98ms. Allocated memory is still 67.1MB. Free memory was 33.9MB in the beginning and 32.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:19,244 INFO L158 Benchmark]: RCFGBuilder took 523.62ms. Allocated memory is still 67.1MB. Free memory was 32.2MB in the beginning and 32.9MB in the end (delta: -707.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:33:19,245 INFO L158 Benchmark]: Referee took 8341.23ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 42.3MB in the end (delta: -9.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-10-15 15:33:19,248 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 0.19ms. Allocated memory is still 52.4MB. Free memory is still 28.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 67.1MB. Free memory was 35.6MB in the beginning and 35.5MB in the end (delta: 147.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.83ms. Allocated memory is still 67.1MB. Free memory was 33.4MB in the beginning and 35.0MB in the end (delta: -1.6MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.01ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 33.9MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.98ms. Allocated memory is still 67.1MB. Free memory was 33.9MB in the beginning and 32.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.62ms. Allocated memory is still 67.1MB. Free memory was 32.2MB in the beginning and 32.9MB in the end (delta: -707.0kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 8341.23ms. Allocated memory was 67.1MB in the beginning and 81.8MB in the end (delta: 14.7MB). Free memory was 32.9MB in the beginning and 42.3MB in the end (delta: -9.4MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:19,275 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... ### Bit-precise run ### This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:21,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:21,436 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-10-15 15:33:21,442 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:21,443 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:21,475 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:21,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:21,476 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:21,477 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:21,477 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:21,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:21,478 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:21,479 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:21,480 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:21,481 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:21,481 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:21,481 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:21,481 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:21,482 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:21,482 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:21,482 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:21,486 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-10-15 15:33:21,486 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-10-15 15:33:21,487 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:21,487 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-10-15 15:33:21,487 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:21,487 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:21,487 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:21,487 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:21,488 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:21,488 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:21,488 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:21,488 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:21,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:21,795 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:21,823 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:21,827 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:21,828 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:21,829 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:21,831 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-10-15 15:33:21,878 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:21,879 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:21,880 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-10-15 15:33:23,447 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:23,647 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:23,647 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-10-15 15:33:23,654 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1f15b483e/331c16a329c64ce99a5450a5725f22f8/FLAG8ac3044f8 [2024-10-15 15:33:23,671 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1f15b483e/331c16a329c64ce99a5450a5725f22f8 [2024-10-15 15:33:23,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:23,673 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:23,674 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:23,674 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:23,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:23,680 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 03:33:21" (1/2) ... [2024-10-15 15:33:23,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2831d0de and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:23, skipping insertion in model container [2024-10-15 15:33:23,681 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 03:33:21" (1/2) ... [2024-10-15 15:33:23,682 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3ca74237 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:23, skipping insertion in model container [2024-10-15 15:33:23,682 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:23" (2/2) ... [2024-10-15 15:33:23,683 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2831d0de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:23, skipping insertion in model container [2024-10-15 15:33:23,683 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:23" (2/2) ... [2024-10-15 15:33:23,694 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:23,695 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 15:33:23,695 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:23,695 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-10-15 15:33:23,717 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:23,898 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_valuebound5.c[537,550] [2024-10-15 15:33:23,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:23,930 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-10-15 15:33:23,972 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_valuebound5.c[537,550] Start Parsing Local [2024-10-15 15:33:23,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:24,010 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:24,011 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24 WrapperNode [2024-10-15 15:33:24,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:24,012 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:24,013 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:24,013 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:24,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,042 INFO L138 Inliner]: procedures = 14, calls = 22, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:24,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:24,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:24,043 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:24,044 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:24,054 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,075 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 15:33:24,076 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,076 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,089 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,102 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:24,103 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:24,103 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:24,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:24,104 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (1/1) ... [2024-10-15 15:33:24,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:24,117 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:24,135 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 15:33:24,141 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 15:33:24,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-10-15 15:33:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:24,190 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:24,190 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:24,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:24,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:24,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:24,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:24,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:24,248 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:24,250 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:24,692 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:24,724 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:24,752 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:24,752 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:24,753 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:24 BoogieIcfgContainer [2024-10-15 15:33:24,753 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:24,754 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:24,754 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:24,755 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:24,755 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 03:33:21" (1/4) ... [2024-10-15 15:33:24,755 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10bf0449 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:24, skipping insertion in model container [2024-10-15 15:33:24,755 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:23" (2/4) ... [2024-10-15 15:33:24,755 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10bf0449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:24, skipping insertion in model container [2024-10-15 15:33:24,756 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:24" (3/4) ... [2024-10-15 15:33:24,756 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10bf0449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:24, skipping insertion in model container [2024-10-15 15:33:24,756 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:24" (4/4) ... [2024-10-15 15:33:24,757 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-10-15 15:33:24,761 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:24,762 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 15:33:24,762 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 15:33:24,762 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 15:33:24,762 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 15:33:24,763 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 15:33:24,763 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 15:33:24,763 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 15:33:24,763 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:33:24,820 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:33:24,821 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:24,821 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:24,822 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:24,824 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:24,826 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,836 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:33:24,837 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,837 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:24,838 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:24,838 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:24,842 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:24,866 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:24,900 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:24,900 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:24,901 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:24,901 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:24,901 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:24,901 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,926 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:24,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,927 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:24,927 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:24,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:24,928 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:24,931 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:24,962 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:24,962 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:24,962 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:24,963 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:24,963 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:24,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,968 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:24,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:24,968 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:24,969 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:24,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:24,969 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:29,022 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:29,053 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:29,053 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:29,053 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:29,053 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:29,053 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:29,054 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:29,059 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:29,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:29,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:29,060 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:29,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:29,061 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:29,063 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:29,082 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:29,083 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:29,083 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:29,083 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:29,083 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:29,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:29,085 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:29,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:29,085 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:29,086 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:29,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:29,086 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:29,088 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:29,098 INFO L309 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-10-15 15:33:29,098 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:29,099 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:29,099 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:29,099 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:29,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:29,111 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-10-15 15:33:29,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:29,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:29,111 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:29,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:29,112 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:29,136 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:29,153 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:33:29,153 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:29,153 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:29,154 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:29,154 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:29,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:29,186 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:33:29,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:29,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:29,187 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:29,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:29,192 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:33,297 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-10-15 15:33:33,328 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-10-15 15:33:33,329 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@10bf0449 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:33, skipping insertion in model container [2024-10-15 15:33:33,329 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:33,330 INFO L158 Benchmark]: Toolchain (without parser) took 9657.01ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 50.3MB in the beginning and 61.9MB in the end (delta: -11.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-10-15 15:33:33,331 INFO L158 Benchmark]: Witness Parser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:33,331 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:33,332 INFO L158 Benchmark]: CACSL2BoogieTranslator took 337.32ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 35.1MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:33,332 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.47ms. Allocated memory is still 73.4MB. Free memory was 35.0MB in the beginning and 34.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:33,333 INFO L158 Benchmark]: Boogie Preprocessor took 58.90ms. Allocated memory is still 73.4MB. Free memory was 34.0MB in the beginning and 51.9MB in the end (delta: -18.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2024-10-15 15:33:33,333 INFO L158 Benchmark]: RCFGBuilder took 650.56ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 37.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:33,334 INFO L158 Benchmark]: Referee took 8575.06ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 37.0MB in the beginning and 61.9MB in the end (delta: -24.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. [2024-10-15 15:33:33,337 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 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 check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head 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: * Witness Parser took 0.21ms. Allocated memory is still 50.3MB. Free memory was 34.3MB in the beginning and 34.3MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 50.3MB. Free memory was 32.3MB in the beginning and 32.2MB in the end (delta: 32.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 337.32ms. Allocated memory is still 73.4MB. Free memory was 50.1MB in the beginning and 35.1MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.47ms. Allocated memory is still 73.4MB. Free memory was 35.0MB in the beginning and 34.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 58.90ms. Allocated memory is still 73.4MB. Free memory was 34.0MB in the beginning and 51.9MB in the end (delta: -18.0MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. * RCFGBuilder took 650.56ms. Allocated memory is still 73.4MB. Free memory was 51.9MB in the beginning and 37.0MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8575.06ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 37.0MB in the beginning and 61.9MB in the end (delta: -24.9MB). Peak memory consumption was 16.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-10-15 15:33:33,380 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...