This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:33:38,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:33:38,261 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:33:38,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:33:38,268 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:33:38,287 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:33:38,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:33:38,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:33:38,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:33:38,291 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:33:38,292 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:33:38,292 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:33:38,292 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:33:38,292 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:33:38,294 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:33:38,294 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:33:38,294 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:33:38,294 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:33:38,295 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:33:38,295 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:33:38,295 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:33:38,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:33:38,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:33:38,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:33:38,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:33:38,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:33:38,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:33:38,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:33:38,300 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:33:38,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:33:38,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:33:38,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:33:38,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:33:38,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:33:38,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:33:38,555 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:33:38,555 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:33:38,556 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_valuebound100.yml/witness-2.1.yml [2024-10-15 15:33:38,601 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:33:38,601 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:33:38,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.c [2024-10-15 15:33:39,936 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:33:40,079 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:33:40,079 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_valuebound100.c [2024-10-15 15:33:40,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f9ae1c1a4/81e84e12b55d46a2b96b90b12c08246c/FLAGb96c8317c [2024-10-15 15:33:40,493 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f9ae1c1a4/81e84e12b55d46a2b96b90b12c08246c [2024-10-15 15:33:40,494 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:33:40,495 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:33:40,496 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:40,496 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:33:40,500 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:33:40,501 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 03:33:38" (1/2) ... [2024-10-15 15:33:40,502 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d75afa1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:40, skipping insertion in model container [2024-10-15 15:33:40,503 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 03:33:38" (1/2) ... [2024-10-15 15:33:40,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@62d29b3e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:33:40, skipping insertion in model container [2024-10-15 15:33:40,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:40" (2/2) ... [2024-10-15 15:33:40,505 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d75afa1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40, skipping insertion in model container [2024-10-15 15:33:40,505 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:33:40" (2/2) ... [2024-10-15 15:33:40,511 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:33:40,514 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) x * 2) == (y + ((__int128) y * y))) [2024-10-15 15:33:40,515 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:33:40,527 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:33:40,651 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/ps2-ll_valuebound100.c[454,467] [2024-10-15 15:33:40,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:40,671 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:33:40,695 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/ps2-ll_valuebound100.c[454,467] Start Parsing Local [2024-10-15 15:33:40,703 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:33:40,715 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:33:40,715 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40 WrapperNode [2024-10-15 15:33:40,715 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:33:40,716 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:40,716 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:33:40,716 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:33:40,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,726 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,730 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:33:40,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:33:40,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:33:40,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:33:40,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:33:40,738 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,746 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:33:40,746 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,746 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,749 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,751 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,752 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,758 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:33:40,759 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:33:40,759 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:33:40,759 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:33:40,760 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (1/1) ... [2024-10-15 15:33:40,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:33:40,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:33:40,785 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 15:33:40,787 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 15:33:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:33:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:33:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:33:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:33:40,825 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:33:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:33:40,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:33:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:33:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:33:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:33:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:33:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:33:40,890 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:33:40,892 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:33:40,998 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:33:41,009 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:33:41,034 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:33:41,034 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:33:41,035 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:41 BoogieIcfgContainer [2024-10-15 15:33:41,035 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:33:41,036 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:33:41,036 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:33:41,036 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:33:41,037 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 03:33:38" (1/4) ... [2024-10-15 15:33:41,038 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@587bc078 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:33:41, skipping insertion in model container [2024-10-15 15:33:41,038 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:33:40" (2/4) ... [2024-10-15 15:33:41,038 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@587bc078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:41, skipping insertion in model container [2024-10-15 15:33:41,038 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:33:40" (3/4) ... [2024-10-15 15:33:41,038 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@587bc078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:33:41, skipping insertion in model container [2024-10-15 15:33:41,039 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:33:41" (4/4) ... [2024-10-15 15:33:41,040 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_valuebound100.c [2024-10-15 15:33:41,042 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:33:41,043 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:33:41,043 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:33:41,043 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-10-15 15:33:41,044 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-10-15 15:33:41,044 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 15:33:41,044 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 15:33:41,044 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:33:41,075 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:33:41,076 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:41,076 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:41,077 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:41,078 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:41,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,098 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:33:41,099 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,099 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:41,100 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:41,103 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:41,106 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:41,119 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:41,132 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:41,132 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:41,132 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:41,132 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:41,133 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:41,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,137 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:41,137 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,138 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:41,138 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:41,138 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:41,138 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:41,139 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:33:41,146 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-10-15 15:33:41,146 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:41,146 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:41,147 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:41,147 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:41,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,151 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-10-15 15:33:41,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:41,151 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:41,151 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:41,151 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:41,161 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:41,175 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-10-15 15:33:41,175 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:41,175 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:41,175 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:41,176 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:41,176 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,186 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-10-15 15:33:41,186 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,186 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:41,186 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:41,186 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:41,187 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:41,191 INFO L520 InvariantChecker]: The annotation(s) from loop head L27-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:33:41,199 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:33:41,202 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:41,202 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:41,202 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:41,203 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:41,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,207 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:33:41,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:41,207 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:41,207 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:41,208 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:41,211 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:33:41,222 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:33:41,222 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:33:41,222 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:33:41,222 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:33:41,222 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:33:41,222 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,223 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:33:41,223 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:33:41,223 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:33:41,223 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:33:41,223 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:33:41,224 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:33:41,228 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:33:41,231 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:33:41,232 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@587bc078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:33:41, skipping insertion in model container [2024-10-15 15:33:41,232 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:33:41,233 INFO L158 Benchmark]: Toolchain (without parser) took 737.84ms. Allocated memory is still 104.9MB. Free memory was 72.4MB in the beginning and 58.1MB in the end (delta: 14.3MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2024-10-15 15:33:41,234 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:41,234 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:33:41,234 INFO L158 Benchmark]: CACSL2BoogieTranslator took 219.52ms. Allocated memory is still 104.9MB. Free memory was 72.4MB in the beginning and 58.2MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:33:41,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 14.46ms. Allocated memory is still 104.9MB. Free memory was 58.2MB in the beginning and 57.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:41,235 INFO L158 Benchmark]: Boogie Preprocessor took 27.23ms. Allocated memory is still 104.9MB. Free memory was 57.2MB in the beginning and 55.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:33:41,236 INFO L158 Benchmark]: RCFGBuilder took 276.32ms. Allocated memory is still 104.9MB. Free memory was 55.3MB in the beginning and 74.8MB in the end (delta: -19.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. [2024-10-15 15:33:41,236 INFO L158 Benchmark]: Referee took 196.60ms. Allocated memory is still 104.9MB. Free memory was 74.8MB in the beginning and 58.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-10-15 15:33:41,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. 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 11. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 67.1MB. Free memory is still 34.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.29ms. Allocated memory is still 67.1MB. Free memory was 49.2MB in the beginning and 49.2MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 219.52ms. Allocated memory is still 104.9MB. Free memory was 72.4MB in the beginning and 58.2MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 14.46ms. Allocated memory is still 104.9MB. Free memory was 58.2MB in the beginning and 57.2MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.23ms. Allocated memory is still 104.9MB. Free memory was 57.2MB in the beginning and 55.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 276.32ms. Allocated memory is still 104.9MB. Free memory was 55.3MB in the beginning and 74.8MB in the end (delta: -19.5MB). Peak memory consumption was 6.7MB. Max. memory is 16.1GB. * Referee took 196.60ms. Allocated memory is still 104.9MB. Free memory was 74.8MB in the beginning and 58.1MB in the end (delta: 16.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:33:41,260 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...