This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:30:27,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:30:27,589 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:30:27,594 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:30:27,594 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:30:27,620 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:30:27,623 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:30:27,623 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:30:27,624 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:30:27,624 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:30:27,625 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:30:27,625 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:30:27,626 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:30:27,626 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:30:27,628 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:30:27,628 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:30:27,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:30:27,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:30:27,629 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:30:27,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:30:27,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:30:27,633 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:30:27,634 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:30:27,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:30:27,635 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:30:27,635 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:30:27,635 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:30:27,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:30:27,636 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:30:27,636 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:30:27,636 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:30:27,636 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:30:27,951 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:30:27,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:30:27,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:30:27,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:30:27,989 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:30:27,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-acceleration/simple_1-2_abstracted.c [2024-10-15 15:30:29,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:30:29,813 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:30:29,814 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-acceleration/simple_1-2_abstracted.c [2024-10-15 15:30:29,824 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ae82e6b09/79ecde61c4854a0c87f2185de783447f/FLAG9d9d4b83b [2024-10-15 15:30:29,840 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ae82e6b09/79ecde61c4854a0c87f2185de783447f [2024-10-15 15:30:29,842 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:30:29,843 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:30:29,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/simple_1-2_abstracted.yml/witness-2.1.yml [2024-10-15 15:30:29,891 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:30:29,893 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:30:29,895 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:29,895 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:30:29,900 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:30:29,901 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:29" (1/2) ... [2024-10-15 15:30:29,903 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1514433b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:29, skipping insertion in model container [2024-10-15 15:30:29,905 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:30:29" (1/2) ... [2024-10-15 15:30:29,906 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@72b24fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:30:29, skipping insertion in model container [2024-10-15 15:30:29,907 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 03:30:29" (2/2) ... [2024-10-15 15:30:29,907 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1514433b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:29, skipping insertion in model container [2024-10-15 15:30:29,907 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 03:30:29" (2/2) ... [2024-10-15 15:30:29,912 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:30:29,916 INFO L1541 ArrayList]: Function contract at [L15]: requires (cond != 0), ensures (cond != 0) [2024-10-15 15:30:29,937 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:30:30,111 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-acceleration/simple_1-2_abstracted.c[740,753] [2024-10-15 15:30:30,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:30,134 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:30:30,179 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-acceleration/simple_1-2_abstracted.c[740,753] [2024-10-15 15:30:30,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:30:30,201 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:30:30,202 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:30:30 WrapperNode [2024-10-15 15:30:30,202 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:30:30,203 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:30,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:30:30,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:30:30,211 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,216 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,222 INFO L138 Inliner]: procedures = 20, calls = 8, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:30:30,223 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:30:30,224 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:30:30,224 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:30:30,224 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:30:30,234 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,234 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,236 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,249 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 15:30:30,250 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,250 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,253 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,254 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,255 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,256 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:30:30,258 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:30:30,258 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:30:30,258 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:30:30,259 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 03:30:30" (1/1) ... [2024-10-15 15:30:30,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:30:30,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:30:30,290 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 15:30:30,293 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 15:30:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:30:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:30:30,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:30:30,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:30:30,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:30:30,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:30:30,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:30:30,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:30:30,339 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:30:30,339 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:30:30,402 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:30:30,406 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:30:30,511 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:30:30,524 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:30:30,554 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:30:30,554 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-15 15:30:30,555 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:30:30 BoogieIcfgContainer [2024-10-15 15:30:30,555 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:30:30,556 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:30:30,556 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:30:30,557 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:30:30,557 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:30:29" (1/4) ... [2024-10-15 15:30:30,557 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43f674be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:30:30, skipping insertion in model container [2024-10-15 15:30:30,557 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 03:30:29" (2/4) ... [2024-10-15 15:30:30,557 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43f674be and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:30, skipping insertion in model container [2024-10-15 15:30:30,558 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 03:30:30" (3/4) ... [2024-10-15 15:30:30,558 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43f674be and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:30:30, skipping insertion in model container [2024-10-15 15:30:30,558 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 03:30:30" (4/4) ... [2024-10-15 15:30:30,559 INFO L79 RefereeObserver]: Analyzing ICFG simple_1-2_abstracted.c [2024-10-15 15:30:30,564 INFO L113 InvariantChecker]: Found 0 loops. [2024-10-15 15:30:30,564 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-10-15 15:30:30,565 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 15:30:30,565 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 15:30:30,566 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location [2024-10-15 15:30:30,605 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-10-15 15:30:30,606 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:30,606 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:30,607 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:30,608 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:30,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,628 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-10-15 15:30:30,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,630 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:30,630 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:30,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:30,637 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:30,661 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:30:30,673 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:30:30,673 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:30,673 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:30,674 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:30,674 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:30,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,680 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:30:30,680 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,680 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:30,681 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:30,681 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:30,682 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:30,683 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:30:30,690 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:30:30,690 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:30:30,690 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:30:30,690 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:30:30,691 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:30:30,691 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,693 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:30:30,693 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:30:30,693 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:30:30,694 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:30:30,694 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:30:30,694 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:30:30,696 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:30:30,699 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:30:30,700 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@43f674be and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:30:30, skipping insertion in model container [2024-10-15 15:30:30,700 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:30:30,702 INFO L158 Benchmark]: Toolchain (without parser) took 807.65ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 39.4MB in the beginning and 55.4MB in the end (delta: -16.0MB). Peak memory consumption was 17.6MB. Max. memory is 16.1GB. [2024-10-15 15:30:30,702 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 41.9MB. Free memory was 26.7MB in the beginning and 26.6MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:30,703 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:30,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.80ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 43.3MB in the end (delta: -4.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2024-10-15 15:30:30,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.45ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 42.4MB in the end (delta: 846.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:30:30,706 INFO L158 Benchmark]: Boogie Preprocessor took 33.31ms. Allocated memory is still 65.0MB. Free memory was 42.4MB in the beginning and 40.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:30:30,707 INFO L158 Benchmark]: RCFGBuilder took 297.47ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 30.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-15 15:30:30,707 INFO L158 Benchmark]: Referee took 144.14ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.3MB in the beginning and 55.4MB in the end (delta: -25.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-15 15:30:30,710 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 __VERIFIER_assert to check that a call to reach_error is unreachable at line 17. 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 check that procedure precondition always holds at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 41.9MB. Free memory was 26.7MB in the beginning and 26.6MB in the end (delta: 42.3kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 65.0MB. Free memory is still 41.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.80ms. Allocated memory is still 65.0MB. Free memory was 39.3MB in the beginning and 43.3MB in the end (delta: -4.0MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.45ms. Allocated memory is still 65.0MB. Free memory was 43.3MB in the beginning and 42.4MB in the end (delta: 846.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.31ms. Allocated memory is still 65.0MB. Free memory was 42.4MB in the beginning and 40.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.47ms. Allocated memory is still 65.0MB. Free memory was 40.5MB in the beginning and 30.3MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 144.14ms. Allocated memory was 65.0MB in the beginning and 79.7MB in the end (delta: 14.7MB). Free memory was 30.3MB in the beginning and 55.4MB in the end (delta: -25.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:30:30,734 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...