This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:31:32,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:31:32,307 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:31:32,313 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:31:32,313 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:31:32,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:31:32,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:31:32,338 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:31:32,341 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:31:32,342 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:31:32,342 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:31:32,343 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:31:32,343 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:31:32,343 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:31:32,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:31:32,343 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:31:32,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:31:32,344 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:31:32,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:31:32,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:31:32,345 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:31:32,348 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:31:32,349 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:31:32,349 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:31:32,350 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:31:32,350 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:31:32,350 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:31:32,350 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:31:32,350 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:31:32,351 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:31:32,351 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:31:32,351 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:31:32,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:31:32,685 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:31:32,686 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:31:32,687 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:31:32,688 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:31:32,688 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sumt9.yml/witness-2.1.yml [2024-10-15 15:31:32,730 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:31:32,730 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:31:32,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sumt9.c [2024-10-15 15:31:34,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:31:34,299 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:31:34,299 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt9.c [2024-10-15 15:31:34,306 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/117b2a7c0/1e18beead6464c089833cbb6fa9c1216/FLAG23b35a98c [2024-10-15 15:31:34,711 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/117b2a7c0/1e18beead6464c089833cbb6fa9c1216 [2024-10-15 15:31:34,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:31:34,713 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:31:34,715 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:34,715 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:31:34,720 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:31:34,721 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 03:31:32" (1/2) ... [2024-10-15 15:31:34,724 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d24f05 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:34, skipping insertion in model container [2024-10-15 15:31:34,725 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 03:31:32" (1/2) ... [2024-10-15 15:31:34,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1d7d41e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:31:34, skipping insertion in model container [2024-10-15 15:31:34,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:34" (2/2) ... [2024-10-15 15:31:34,727 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18d24f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:34, skipping insertion in model container [2024-10-15 15:31:34,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:31:34" (2/2) ... [2024-10-15 15:31:34,735 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:31:34,736 INFO L1541 ArrayList]: Loop invariant at [L21-L43] (l == ((((((((((long long) i + k) + j) + v3) + v2) + v1) + v6) + v5) + v4) % 4294967296)) [2024-10-15 15:31:34,738 INFO L1541 ArrayList]: Function contract at [L8]: requires (1 <= cond), ensures ((1 <= cond) && (SIZE == \old(SIZE))) [2024-10-15 15:31:34,738 INFO L1541 ArrayList]: Function contract at [L16]: requires null, ensures (SIZE == \old(SIZE)) [2024-10-15 15:31:34,773 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:31:34,931 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/loops-crafted-1/sumt9.c[403,416] [2024-10-15 15:31:34,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:34,963 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:31:34,994 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/loops-crafted-1/sumt9.c[403,416] Start Parsing Global Start Parsing Local [2024-10-15 15:31:35,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:31:35,028 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:31:35,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35 WrapperNode [2024-10-15 15:31:35,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:31:35,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:35,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:31:35,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:31:35,040 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,048 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,063 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:31:35,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:31:35,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:31:35,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:31:35,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:31:35,078 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,078 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,079 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,087 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure main is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-10-15 15:31:35,088 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,088 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:31:35,097 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:31:35,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:31:35,098 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:31:35,098 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (1/1) ... [2024-10-15 15:31:35,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:31:35,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:31:35,131 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 15:31:35,133 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 15:31:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:31:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:31:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:31:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:31:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:31:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:31:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:31:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:31:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:31:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:31:35,223 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:31:35,225 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:31:35,481 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:31:35,499 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:31:35,546 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:31:35,546 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:31:35,546 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:35 BoogieIcfgContainer [2024-10-15 15:31:35,546 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:31:35,547 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:31:35,551 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:31:35,552 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:31:35,552 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 03:31:32" (1/4) ... [2024-10-15 15:31:35,552 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@477f873a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:31:35, skipping insertion in model container [2024-10-15 15:31:35,552 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:31:34" (2/4) ... [2024-10-15 15:31:35,552 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@477f873a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:35, skipping insertion in model container [2024-10-15 15:31:35,553 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:31:35" (3/4) ... [2024-10-15 15:31:35,553 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@477f873a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:31:35, skipping insertion in model container [2024-10-15 15:31:35,553 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:31:35" (4/4) ... [2024-10-15 15:31:35,554 INFO L79 RefereeObserver]: Analyzing ICFG sumt9.c [2024-10-15 15:31:35,556 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:31:35,561 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 20 edges. [2024-10-15 15:31:35,561 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 15:31:35,561 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 21 edges. [2024-10-15 15:31:35,561 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:31:35,562 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-1 to ERROR_LOC mainErr2ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-10-15 15:31:35,562 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 15:31:35,562 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 15:31:35,562 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:31:35,618 INFO L309 BlockEncoder]: Initial Icfg 13 locations, 20 edges [2024-10-15 15:31:35,620 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:35,621 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:35,621 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:35,622 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:35,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:35,732 INFO L101 BaseMinimizeStates]: Removed 49 edges and 11 locations by large block encoding [2024-10-15 15:31:35,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:35,733 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:35,733 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:35,734 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:35,750 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:35,918 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:31:35,927 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:35,927 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:35,927 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:35,927 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:35,927 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:35,928 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:35,930 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:35,930 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:35,930 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:35,930 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:35,930 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:35,930 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:35,934 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:35,942 INFO L309 BlockEncoder]: Initial Icfg 14 locations, 21 edges [2024-10-15 15:31:35,942 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:35,942 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:35,942 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:35,942 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:35,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,014 INFO L101 BaseMinimizeStates]: Removed 59 edges and 12 locations by large block encoding [2024-10-15 15:31:36,014 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,014 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:36,014 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:36,014 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:36,028 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:36,035 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:31:36,042 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:36,042 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:36,045 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:36,045 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:36,045 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:36,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,047 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:36,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,048 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:36,048 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:36,048 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:36,049 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:36,050 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:36,055 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:36,056 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:36,056 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:36,057 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:36,057 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:36,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,059 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-10-15 15:31:36,060 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:36,061 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:36,061 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:36,061 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:36,067 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-1 to error location mainErr2ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:36,071 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:31:36,072 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:36,072 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:36,073 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:36,073 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:36,073 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,074 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:31:36,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,075 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:36,075 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:36,075 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:36,076 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:36,077 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:31:36,083 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:31:36,083 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:31:36,083 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:31:36,083 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:31:36,083 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:31:36,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,084 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:31:36,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:31:36,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:31:36,084 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:31:36,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:31:36,084 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:31:36,087 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:31:36,092 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:31:36,093 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@477f873a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:31:36, skipping insertion in model container [2024-10-15 15:31:36,094 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:31:36,095 INFO L158 Benchmark]: Toolchain (without parser) took 1381.58ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 39.4MB in the beginning and 43.3MB in the end (delta: -3.9MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2024-10-15 15:31:36,096 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:36,096 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 28.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:36,097 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.87ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 44.3MB in the end (delta: -5.2MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. [2024-10-15 15:31:36,098 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.97ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 43.4MB in the end (delta: 935.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:31:36,098 INFO L158 Benchmark]: Boogie Preprocessor took 31.99ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 41.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:31:36,100 INFO L158 Benchmark]: RCFGBuilder took 449.12ms. Allocated memory is still 77.6MB. Free memory was 41.5MB in the beginning and 48.1MB in the end (delta: -6.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:31:36,100 INFO L158 Benchmark]: Referee took 546.75ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 48.1MB in the beginning and 43.3MB in the end (delta: 4.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2024-10-15 15:31:36,103 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 loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 21 to exit of procedure main. 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 10. Annotation is valid for all loop-free paths from entry of procedure main to exit of procedure main. 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 21 to check that procedure precondition always holds at line 42. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 52.4MB. Free memory was 30.5MB in the beginning and 30.4MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.27ms. Allocated memory is still 52.4MB. Free memory is still 28.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.87ms. Allocated memory is still 77.6MB. Free memory was 39.2MB in the beginning and 44.3MB in the end (delta: -5.2MB). Peak memory consumption was 2.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.97ms. Allocated memory is still 77.6MB. Free memory was 44.3MB in the beginning and 43.4MB in the end (delta: 935.5kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.99ms. Allocated memory is still 77.6MB. Free memory was 43.4MB in the beginning and 41.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 449.12ms. Allocated memory is still 77.6MB. Free memory was 41.5MB in the beginning and 48.1MB in the end (delta: -6.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 546.75ms. Allocated memory was 77.6MB in the beginning and 98.6MB in the end (delta: 21.0MB). Free memory was 48.1MB in the beginning and 43.3MB in the end (delta: 4.8MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:31:36,141 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...