This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:42,422 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:42,509 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:42,513 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:42,513 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:42,543 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:42,544 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:42,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:42,545 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:42,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:42,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:42,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:42,547 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:42,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:42,550 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:42,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:42,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:42,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:42,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:42,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:42,551 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:42,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:42,552 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:42,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:42,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:42,557 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:42,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:42,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:42,558 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:42,558 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:42,558 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:42,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:42,915 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:42,941 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:42,944 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:42,946 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:42,947 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:42,949 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/benchmark20_conjunctive.yml/witness-2.1.yml [2024-10-15 15:31:43,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:43,013 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:43,014 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2024-10-15 15:31:44,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:44,700 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:44,701 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2024-10-15 15:31:44,709 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0b70e4b41/24ee9cbba26b4e4ca7a5f167a178f384/FLAGf97036b0c [2024-10-15 15:31:44,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0b70e4b41/24ee9cbba26b4e4ca7a5f167a178f384 [2024-10-15 15:31:44,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:44,735 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:44,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:44,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:44,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:44,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:43" (1/2) ... [2024-10-15 15:31:44,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bd6e48 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:43" (1/2) ... [2024-10-15 15:31:44,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@39e7bfff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,751 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:44" (2/2) ... [2024-10-15 15:31:44,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34bd6e48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:44, skipping insertion in model container [2024-10-15 15:31:44,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:44" (2/2) ... [2024-10-15 15:31:44,763 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:44,764 INFO L1541 ArrayList]: Loop invariant at [L24-L27] ((0 <= i) && (0 <= sum)) [2024-10-15 15:31:44,766 INFO L1541 ArrayList]: Function contract at [L14]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:31:44,785 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:44,961 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/loop-zilu/benchmark20_conjunctive.i[873,886] [2024-10-15 15:31:44,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:44,985 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:45,030 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/loop-zilu/benchmark20_conjunctive.i[873,886] Start Parsing Local [2024-10-15 15:31:45,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:45,053 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:45,054 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45 WrapperNode [2024-10-15 15:31:45,054 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:45,055 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:45,055 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:45,055 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:45,062 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,069 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,075 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:45,076 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:45,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:45,076 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:45,076 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:45,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,090 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,100 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:45,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,107 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,114 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:45,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:45,117 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:45,117 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:45,118 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (1/1) ... [2024-10-15 15:31:45,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:45,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:45,149 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-15 15:31:45,154 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-15 15:31:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:45,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:45,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:45,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:45,210 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:45,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:45,211 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:45,211 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:45,280 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:45,285 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:45,424 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:45,442 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:45,472 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:45,473 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:45,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:45 BoogieIcfgContainer [2024-10-15 15:31:45,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:45,474 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:45,475 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:45,476 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:45,476 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 15.10 03:31:43" (1/4) ... [2024-10-15 15:31:45,477 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4033fba6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:45, skipping insertion in model container [2024-10-15 15:31:45,478 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:44" (2/4) ... [2024-10-15 15:31:45,478 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4033fba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:45, skipping insertion in model container [2024-10-15 15:31:45,478 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:45" (3/4) ... [2024-10-15 15:31:45,478 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4033fba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:45, skipping insertion in model container [2024-10-15 15:31:45,478 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:45" (4/4) ... [2024-10-15 15:31:45,480 INFO L79 RefereeObserver]: Analyzing ICFG benchmark20_conjunctive.i [2024-10-15 15:31:45,484 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:45,486 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:31:45,487 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:45,487 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L24-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-10-15 15:31:45,487 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:45,487 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:45,488 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-10-15 15:31:45,531 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:31:45,532 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:45,532 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:45,533 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:45,534 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:45,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,548 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:31:45,554 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,554 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:45,554 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:45,555 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:45,559 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:45,577 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:45,589 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:45,593 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:45,594 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:45,594 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:45,594 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:45,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,603 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:45,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,606 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:45,606 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:45,606 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:45,606 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:45,615 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:45,624 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:45,627 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:45,627 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:45,627 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:45,628 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:45,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,634 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:45,635 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,635 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:45,635 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:45,635 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:45,635 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:45,651 INFO L520 InvariantChecker]: The annotation(s) from loop head L24-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:45,661 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:45,665 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:45,665 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:45,665 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:45,666 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:45,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,669 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:45,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,672 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:45,673 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:45,673 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:45,673 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:45,675 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:45,684 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:45,686 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:45,686 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:45,687 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:45,687 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:45,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,691 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:45,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:45,691 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:45,691 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:45,691 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:45,691 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:45,694 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:45,697 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:45,698 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4033fba6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:45, skipping insertion in model container [2024-10-15 15:31:45,698 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:45,701 INFO L158 Benchmark]: Toolchain (without parser) took 965.39ms. Allocated memory is still 79.7MB. Free memory was 50.8MB in the beginning and 54.7MB in the end (delta: -3.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:45,702 INFO L158 Benchmark]: Witness Parser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:45,702 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 62.9MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:45,703 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.18ms. Allocated memory is still 79.7MB. Free memory was 50.4MB in the beginning and 56.9MB in the end (delta: -6.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:45,704 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.00ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 55.9MB in the end (delta: 727.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:45,704 INFO L158 Benchmark]: Boogie Preprocessor took 39.09ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 54.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:45,705 INFO L158 Benchmark]: RCFGBuilder took 357.79ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 43.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:45,706 INFO L158 Benchmark]: Referee took 223.48ms. Allocated memory is still 79.7MB. Free memory was 43.5MB in the beginning and 54.7MB in the end (delta: -11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:45,710 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 24. Annotation is valid for all loop-free paths from loop head at line 24 to check that procedure precondition always holds at line 24. Annotation is valid for all loop-free paths from loop head at line 24 to loop head at line 24. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.28ms. Allocated memory is still 62.9MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.75ms. Allocated memory is still 62.9MB. Free memory is still 46.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.18ms. Allocated memory is still 79.7MB. Free memory was 50.4MB in the beginning and 56.9MB in the end (delta: -6.5MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.00ms. Allocated memory is still 79.7MB. Free memory was 56.6MB in the beginning and 55.9MB in the end (delta: 727.6kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.09ms. Allocated memory is still 79.7MB. Free memory was 55.6MB in the beginning and 54.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 357.79ms. Allocated memory is still 79.7MB. Free memory was 54.0MB in the beginning and 43.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 223.48ms. Allocated memory is still 79.7MB. Free memory was 43.5MB in the beginning and 54.7MB in the end (delta: -11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:45,746 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...