This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:36,548 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:36,623 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:36,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:36,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:36,665 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:36,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:36,666 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:36,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:36,668 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:36,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:36,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:36,669 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:36,669 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:36,670 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:36,670 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:36,670 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:36,671 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:36,671 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:36,672 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:36,672 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:36,672 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:36,673 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:36,673 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:36,673 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:36,674 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:36,674 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:36,674 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:36,675 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:36,675 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:36,675 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:36,676 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:36,993 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:37,017 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:37,020 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:37,022 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:37,022 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:37,024 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2024-10-15 15:32:38,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:38,733 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:38,733 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2024-10-15 15:32:38,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/51cc6c602/8c39c0474f4643e2acbbf611c180f841/FLAG55d368176 [2024-10-15 15:32:38,761 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/51cc6c602/8c39c0474f4643e2acbbf611c180f841 [2024-10-15 15:32:38,765 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:38,767 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:38,768 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound2.yml/witness-2.1.yml [2024-10-15 15:32:38,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:38,822 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:38,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:38,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:38,829 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:38,831 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:38" (1/2) ... [2024-10-15 15:32:38,831 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fce9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,832 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:38" (1/2) ... [2024-10-15 15:32:38,834 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6b62825e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,834 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 03:32:38" (2/2) ... [2024-10-15 15:32:38,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51fce9ba and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,835 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 03:32:38" (2/2) ... [2024-10-15 15:32:38,843 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:38,844 INFO L1541 ArrayList]: Loop invariant at [L35-L46] ((((__int128) v * 2) + ((__int128) u * u)) == (((((__int128) v * v) + ((__int128) u * 2)) + ((long long) A * 4)) + ((__int128) r * 4))) [2024-10-15 15:32:38,844 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:32:38,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:39,045 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c[524,537] [2024-10-15 15:32:39,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:39,086 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:32:39,123 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c[524,537] Start Parsing Local [2024-10-15 15:32:39,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:39,157 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:39,158 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:39 WrapperNode [2024-10-15 15:32:39,158 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:39,159 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:39,159 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:39,159 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:39,166 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,173 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,178 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:39,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:39,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:39,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:39,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:39,189 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,190 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,191 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,211 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 15:32:39,211 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,211 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,218 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,222 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,227 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,228 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,229 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:39,230 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:39,230 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:39,230 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:39,231 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 03:32:39" (1/1) ... [2024-10-15 15:32:39,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:39,255 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:39,272 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 15:32:39,278 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 15:32:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:39,320 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:39,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:39,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:39,322 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:39,322 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:39,389 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:39,395 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:39,554 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:39,575 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:39,597 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:39,597 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:39,598 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:39 BoogieIcfgContainer [2024-10-15 15:32:39,598 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:39,599 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:39,599 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:39,600 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:39,600 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:38" (1/4) ... [2024-10-15 15:32:39,600 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2979a07f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:39, skipping insertion in model container [2024-10-15 15:32:39,602 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 03:32:38" (2/4) ... [2024-10-15 15:32:39,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2979a07f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:39, skipping insertion in model container [2024-10-15 15:32:39,602 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 03:32:39" (3/4) ... [2024-10-15 15:32:39,602 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2979a07f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:39, skipping insertion in model container [2024-10-15 15:32:39,603 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 03:32:39" (4/4) ... [2024-10-15 15:32:39,604 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound2.c [2024-10-15 15:32:39,608 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:39,609 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-10-15 15:32:39,609 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-10-15 15:32:39,609 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-10-15 15:32:39,609 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-10-15 15:32:39,609 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 15:32:39,610 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 15:32:39,610 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-10-15 15:32:39,651 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:39,653 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,655 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,655 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,656 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,658 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,700 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:39,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,702 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,708 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,731 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:39,763 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:39,767 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,767 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,767 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,767 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,771 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:39,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,775 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,775 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,775 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,775 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,778 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:39,802 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-10-15 15:32:39,805 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,805 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,806 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,806 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,806 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,825 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-10-15 15:32:39,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,825 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,825 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,826 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,826 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,836 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:39,856 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:32:39,856 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,857 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,857 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,857 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,857 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,882 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:32:39,882 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,883 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,883 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,890 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,899 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:39,915 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:39,917 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,918 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,918 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,918 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,918 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,921 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:39,923 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,923 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,923 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,923 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,924 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,930 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:39,943 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:39,943 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:39,944 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:39,944 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:39,944 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:39,944 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,946 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:39,946 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:39,947 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:39,947 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:39,947 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:39,947 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:39,949 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:39,952 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:32:39,953 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2979a07f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:39, skipping insertion in model container [2024-10-15 15:32:39,954 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:39,956 INFO L158 Benchmark]: Toolchain (without parser) took 1132.09ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 44.9MB in the beginning and 49.3MB in the end (delta: -4.4MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,957 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 44.0MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:39,957 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:39,958 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.96ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 30.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,958 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.75ms. Allocated memory is still 67.1MB. Free memory was 30.3MB in the beginning and 29.3MB in the end (delta: 939.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:39,959 INFO L158 Benchmark]: Boogie Preprocessor took 48.99ms. Allocated memory is still 67.1MB. Free memory was 29.3MB in the beginning and 27.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,959 INFO L158 Benchmark]: RCFGBuilder took 368.35ms. Allocated memory is still 67.1MB. Free memory was 27.4MB in the beginning and 35.3MB in the end (delta: -7.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,961 INFO L158 Benchmark]: Referee took 355.15ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 35.3MB in the beginning and 49.3MB in the end (delta: -14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-10-15 15:32:39,965 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 35 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 44.0MB. Free memory was 26.8MB in the beginning and 26.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 67.1MB. Free memory is still 46.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.96ms. Allocated memory is still 67.1MB. Free memory was 44.7MB in the beginning and 30.3MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.75ms. Allocated memory is still 67.1MB. Free memory was 30.3MB in the beginning and 29.3MB in the end (delta: 939.0kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 48.99ms. Allocated memory is still 67.1MB. Free memory was 29.3MB in the beginning and 27.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 368.35ms. Allocated memory is still 67.1MB. Free memory was 27.4MB in the beginning and 35.3MB in the end (delta: -7.9MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. * Referee took 355.15ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 35.3MB in the beginning and 49.3MB in the end (delta: -14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:32:40,000 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...