This is Ultimate 0.2.5-wip.dk.contract-modifies-e378df2-m [2024-10-15 15:32:35,470 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-15 15:32:35,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-10-15 15:32:35,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-15 15:32:35,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-15 15:32:35,547 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-15 15:32:35,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-15 15:32:35,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-15 15:32:35,551 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-15 15:32:35,552 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-15 15:32:35,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-15 15:32:35,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-15 15:32:35,554 INFO L153 SettingsManager]: * Use SBE=true [2024-10-15 15:32:35,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-15 15:32:35,554 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-15 15:32:35,555 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-15 15:32:35,555 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-15 15:32:35,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-15 15:32:35,557 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-15 15:32:35,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-15 15:32:35,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-15 15:32:35,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-15 15:32:35,558 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-15 15:32:35,558 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-15 15:32:35,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-15 15:32:35,558 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-15 15:32:35,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-15 15:32:35,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-15 15:32:35,559 INFO L153 SettingsManager]: * Future-live optimization=false [2024-10-15 15:32:35,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-15 15:32:35,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-15 15:32:35,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.procedureinliner: Inline calls to implemented procedures -> NEVER [2024-10-15 15:32:35,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-15 15:32:35,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-15 15:32:35,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-15 15:32:35,849 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-15 15:32:35,850 INFO L274 PluginConnector]: CDTParser initialized [2024-10-15 15:32:35,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-10-15 15:32:37,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-15 15:32:37,328 INFO L384 CDTParser]: Found 1 translation units. [2024-10-15 15:32:37,329 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-10-15 15:32:37,337 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6fbf4dcfc/4b574110dbf447d5898e075a525543ca/FLAG0ae979456 [2024-10-15 15:32:37,354 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6fbf4dcfc/4b574110dbf447d5898e075a525543ca [2024-10-15 15:32:37,357 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-10-15 15:32:37,357 INFO L274 PluginConnector]: Witness Parser initialized [2024-10-15 15:32:37,358 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound1.yml/witness-2.1.yml [2024-10-15 15:32:37,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-15 15:32:37,405 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-10-15 15:32:37,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:37,407 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-15 15:32:37,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-15 15:32:37,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:37" (1/2) ... [2024-10-15 15:32:37,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139640cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:37, skipping insertion in model container [2024-10-15 15:32:37,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:32:37" (1/2) ... [2024-10-15 15:32:37,415 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b460e1f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:32:37, skipping insertion in model container [2024-10-15 15:32:37,415 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 03:32:37" (2/2) ... [2024-10-15 15:32:37,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@139640cc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:37, skipping insertion in model container [2024-10-15 15:32:37,416 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 03:32:37" (2/2) ... [2024-10-15 15:32:37,424 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-10-15 15:32:37,425 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 15:32:37,427 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-10-15 15:32:37,443 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-15 15:32:37,601 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_valuebound1.c[524,537] [2024-10-15 15:32:37,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:37,636 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-10-15 15:32:37,668 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_valuebound1.c[524,537] Start Parsing Local [2024-10-15 15:32:37,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-15 15:32:37,697 INFO L204 MainTranslator]: Completed translation [2024-10-15 15:32:37,698 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 15.10 03:32:37 WrapperNode [2024-10-15 15:32:37,698 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-15 15:32:37,699 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:37,699 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-15 15:32:37,700 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-15 15:32:37,705 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,712 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,718 INFO L138 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-10-15 15:32:37,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-15 15:32:37,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-15 15:32:37,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-15 15:32:37,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-15 15:32:37,727 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,727 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,728 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,736 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 15:32:37,739 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,739 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,742 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,746 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,747 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,747 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-15 15:32:37,749 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-15 15:32:37,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-15 15:32:37,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-15 15:32:37,750 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 03:32:37" (1/1) ... [2024-10-15 15:32:37,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-15 15:32:37,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-10-15 15:32:37,777 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 15:32:37,779 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 15:32:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-15 15:32:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-15 15:32:37,817 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-15 15:32:37,817 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-10-15 15:32:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-10-15 15:32:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-15 15:32:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-10-15 15:32:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-10-15 15:32:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-15 15:32:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-15 15:32:37,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-15 15:32:37,818 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-15 15:32:37,874 INFO L238 CfgBuilder]: Building ICFG [2024-10-15 15:32:37,876 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-15 15:32:38,019 WARN L779 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-10-15 15:32:38,036 INFO L287 CfgBuilder]: Performing block encoding [2024-10-15 15:32:38,063 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-15 15:32:38,064 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-15 15:32:38,064 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:32:38 BoogieIcfgContainer [2024-10-15 15:32:38,065 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-15 15:32:38,065 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-10-15 15:32:38,065 INFO L270 PluginConnector]: Initializing Referee... [2024-10-15 15:32:38,066 INFO L274 PluginConnector]: Referee initialized [2024-10-15 15:32:38,066 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 15.10 03:32:37" (1/4) ... [2024-10-15 15:32:38,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73213922 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,068 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 03:32:37" (2/4) ... [2024-10-15 15:32:38,068 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73213922 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,069 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 03:32:37" (3/4) ... [2024-10-15 15:32:38,069 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73213922 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,070 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 03:32:38" (4/4) ... [2024-10-15 15:32:38,071 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound1.c [2024-10-15 15:32:38,074 INFO L113 InvariantChecker]: Found 1 loops. [2024-10-15 15:32:38,075 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 15:32:38,075 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 15:32:38,075 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 15:32:38,075 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 15:32:38,075 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 15:32:38,076 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 15:32:38,076 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, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-10-15 15:32:38,144 INFO L309 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-10-15 15:32:38,147 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:38,147 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:38,148 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:38,148 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:38,150 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,177 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-10-15 15:32:38,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,179 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:38,179 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:38,179 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:38,189 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:38,208 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:38,229 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:38,231 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:38,232 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:38,232 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:38,232 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:38,232 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,237 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:38,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,238 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:38,238 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:38,238 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:38,239 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:38,241 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-10-15 15:32:38,255 INFO L309 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-10-15 15:32:38,255 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:38,255 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:38,255 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:38,255 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:38,256 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,263 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-10-15 15:32:38,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,263 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:38,264 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:38,264 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:38,264 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:38,272 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:38,285 INFO L309 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-10-15 15:32:38,285 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:38,285 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:38,286 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:38,286 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:38,287 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,300 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-10-15 15:32:38,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,302 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:38,303 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:38,303 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:38,307 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:38,316 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-10-15 15:32:38,325 INFO L309 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-10-15 15:32:38,326 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:38,326 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:38,326 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:38,327 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:38,327 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,329 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-10-15 15:32:38,329 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,329 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:38,329 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:38,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:38,330 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:38,333 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-10-15 15:32:38,343 INFO L309 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-10-15 15:32:38,345 INFO L259 BlockEncoder]: Using Maximize final states [2024-10-15 15:32:38,345 INFO L266 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-10-15 15:32:38,345 INFO L272 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-10-15 15:32:38,345 INFO L167 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-10-15 15:32:38,346 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,347 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-10-15 15:32:38,347 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-10-15 15:32:38,347 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-10-15 15:32:38,347 INFO L233 BlockEncoder]: Using Create parallel compositions if possible [2024-10-15 15:32:38,347 INFO L68 ParallelComposer]: Creating parallel compositions [2024-10-15 15:32:38,348 INFO L309 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-10-15 15:32:38,350 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-10-15 15:32:38,352 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-10-15 15:32:38,354 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@73213922 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 15.10 03:32:38, skipping insertion in model container [2024-10-15 15:32:38,355 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-10-15 15:32:38,356 INFO L158 Benchmark]: Toolchain (without parser) took 950.80ms. Allocated memory is still 77.6MB. Free memory was 43.1MB in the beginning and 32.3MB in the end (delta: 10.8MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-10-15 15:32:38,357 INFO L158 Benchmark]: CDTParser took 0.54ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:38,358 INFO L158 Benchmark]: Witness Parser took 0.63ms. Allocated memory is still 77.6MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:38,359 INFO L158 Benchmark]: CACSL2BoogieTranslator took 291.98ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 48.8MB in the end (delta: -5.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2024-10-15 15:32:38,359 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.21ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 47.8MB in the end (delta: 670.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-15 15:32:38,360 INFO L158 Benchmark]: Boogie Preprocessor took 29.73ms. Allocated memory is still 77.6MB. Free memory was 47.7MB in the beginning and 45.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-15 15:32:38,360 INFO L158 Benchmark]: RCFGBuilder took 315.29ms. Allocated memory is still 77.6MB. Free memory was 45.9MB in the beginning and 33.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-15 15:32:38,361 INFO L158 Benchmark]: Referee took 289.94ms. Allocated memory is still 77.6MB. Free memory was 33.4MB in the beginning and 32.3MB in the end (delta: 1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-15 15:32:38,363 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 check that procedure precondition always holds at line 35. 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 loop head at line 35 to check that procedure precondition always holds at line 36. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54ms. Allocated memory is still 58.7MB. Free memory was 38.5MB in the beginning and 38.4MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.63ms. Allocated memory is still 77.6MB. Free memory is still 44.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 291.98ms. Allocated memory is still 77.6MB. Free memory was 42.9MB in the beginning and 48.8MB in the end (delta: -5.9MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 19.21ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 47.8MB in the end (delta: 670.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.73ms. Allocated memory is still 77.6MB. Free memory was 47.7MB in the beginning and 45.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.29ms. Allocated memory is still 77.6MB. Free memory was 45.9MB in the beginning and 33.4MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 289.94ms. Allocated memory is still 77.6MB. Free memory was 33.4MB in the beginning and 32.3MB in the end (delta: 1.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-10-15 15:32:38,393 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...