This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:49:18,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:49:18,668 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:49:18,672 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:49:18,672 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:49:18,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:49:18,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:49:18,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:49:18,699 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:49:18,700 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:49:18,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:49:18,720 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:49:18,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:49:18,721 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:49:18,721 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:49:18,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:49:18,722 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:49:18,722 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:49:18,722 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:49:18,723 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:49:18,723 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:49:18,726 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:49:18,726 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:49:18,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:49:18,727 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:49:18,727 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:49:18,727 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:49:18,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:49:18,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:49:18,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:49:18,728 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:49:18,729 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:49:18,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:49:18,731 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:18,732 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:49:18,732 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:49:18,732 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:49:18,732 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:49:18,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:49:18,733 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:49:18,734 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:49:18,734 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:49:18,734 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:49:18,735 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:49:18,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:49:18,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:49:18,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:49:19,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:49:19,001 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:49:19,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-09-21 12:49:20,422 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:49:20,588 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:49:20,588 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound5.c [2024-09-21 12:49:20,596 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/82849b3c0/bfd0bac4d7444552ae22023e051a93c8/FLAG6f617f9e1 [2024-09-21 12:49:20,996 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/82849b3c0/bfd0bac4d7444552ae22023e051a93c8 [2024-09-21 12:49:20,999 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:49:21,000 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:49:21,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/fermat2-ll_valuebound5.yml/witness-2.1.yml [2024-09-21 12:49:21,049 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:49:21,051 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:49:21,054 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:21,054 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:49:21,059 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:49:21,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:20" (1/2) ... [2024-09-21 12:49:21,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3066bf2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:21, skipping insertion in model container [2024-09-21 12:49:21,063 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:49:20" (1/2) ... [2024-09-21 12:49:21,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4e9c4ec4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:49:21, skipping insertion in model container [2024-09-21 12:49:21,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:21" (2/2) ... [2024-09-21 12:49:21,065 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3066bf2a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:21, skipping insertion in model container [2024-09-21 12:49:21,065 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:21" (2/2) ... [2024-09-21 12:49:21,073 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:49:21,074 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))) [2024-09-21 12:49:21,074 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:49:21,094 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:49:21,237 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_valuebound5.c[524,537] [2024-09-21 12:49:21,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:21,264 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:49:21,307 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_valuebound5.c[524,537] Start Parsing Local [2024-09-21 12:49:21,321 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:49:21,343 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:49:21,344 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:49:21 WrapperNode [2024-09-21 12:49:21,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:49:21,345 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:49:21,345 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:49:21,345 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:49:21,356 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,356 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,361 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,375 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 [2024-09-21 12:49:21,375 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,375 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,381 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,384 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,385 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,386 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,388 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:49:21,389 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:49:21,389 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:49:21,389 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:49:21,390 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 21.09 12:49:21" (1/1) ... [2024-09-21 12:49:21,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:49:21,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:49:21,418 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) [2024-09-21 12:49:21,420 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 [2024-09-21 12:49:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:49:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:49:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:49:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:49:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:49:21,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:49:21,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:49:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:49:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:49:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:49:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 12:49:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:49:21,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:49:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:49:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:49:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:49:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:49:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:49:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:49:21,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:49:21,528 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:49:21,530 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:49:21,684 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:49:21,702 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:49:21,725 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:49:21,726 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:49:21,726 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:21 BoogieIcfgContainer [2024-09-21 12:49:21,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:49:21,727 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:49:21,727 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:49:21,728 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:49:21,728 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:49:20" (1/4) ... [2024-09-21 12:49:21,728 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d19a248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:49:21, skipping insertion in model container [2024-09-21 12:49:21,728 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:49:21" (2/4) ... [2024-09-21 12:49:21,729 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d19a248 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:21, skipping insertion in model container [2024-09-21 12:49:21,729 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 21.09 12:49:21" (3/4) ... [2024-09-21 12:49:21,729 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d19a248 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:49:21, skipping insertion in model container [2024-09-21 12:49:21,729 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:49:21" (4/4) ... [2024-09-21 12:49:21,731 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound5.c [2024-09-21 12:49:21,734 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:49:21,735 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:49:21,735 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:21,736 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 12:49:21,736 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:49:21,736 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:49:21,736 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:49:21,737 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-21 12:49:21,786 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:49:21,791 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:21,791 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:21,792 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:21,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:21,797 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:21,823 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:49:21,824 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:21,824 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:21,824 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:21,825 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:21,831 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:21,844 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:21,867 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:21,870 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:21,870 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:21,871 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:21,871 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:21,871 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:21,876 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:21,877 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:21,877 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:21,878 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:21,878 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:21,878 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:21,880 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:49:21,905 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-21 12:49:21,905 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:21,905 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:21,906 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:21,906 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:21,906 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:21,920 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-21 12:49:21,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:21,921 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:21,921 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:21,921 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:21,921 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:21,932 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:21,947 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:49:21,948 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:21,948 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:21,948 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:21,948 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:21,948 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:21,965 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:49:21,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:21,969 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:21,969 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:21,969 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:21,975 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:21,981 INFO L520 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:49:21,994 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:49:21,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:21,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:21,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:21,995 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:21,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:21,998 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:49:22,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,002 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:22,002 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:22,002 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:22,004 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:22,009 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:49:22,019 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:49:22,019 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:49:22,019 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:49:22,019 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:49:22,019 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:49:22,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,022 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:49:22,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:49:22,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:49:22,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:49:22,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:49:22,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:49:22,026 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:49:22,029 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:49:22,030 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@d19a248 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:49:22, skipping insertion in model container [2024-09-21 12:49:22,030 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:49:22,031 INFO L158 Benchmark]: Toolchain (without parser) took 979.77ms. Allocated memory is still 184.5MB. Free memory was 117.0MB in the beginning and 122.5MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:22,033 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:22,033 INFO L158 Benchmark]: Witness Parser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:49:22,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 290.92ms. Allocated memory is still 184.5MB. Free memory was 116.8MB in the beginning and 103.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:49:22,035 INFO L158 Benchmark]: Boogie Preprocessor took 43.14ms. Allocated memory is still 184.5MB. Free memory was 103.2MB in the beginning and 101.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:49:22,036 INFO L158 Benchmark]: RCFGBuilder took 337.68ms. Allocated memory is still 184.5MB. Free memory was 101.2MB in the beginning and 148.4MB in the end (delta: -47.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-09-21 12:49:22,037 INFO L158 Benchmark]: Referee took 302.79ms. Allocated memory is still 184.5MB. Free memory was 148.4MB in the beginning and 122.5MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-09-21 12:49:22,040 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 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 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 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 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 104.9MB. Free memory is still 75.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.20ms. Allocated memory is still 184.5MB. Free memory is still 118.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 290.92ms. Allocated memory is still 184.5MB. Free memory was 116.8MB in the beginning and 103.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.14ms. Allocated memory is still 184.5MB. Free memory was 103.2MB in the beginning and 101.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 337.68ms. Allocated memory is still 184.5MB. Free memory was 101.2MB in the beginning and 148.4MB in the end (delta: -47.2MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Referee took 302.79ms. Allocated memory is still 184.5MB. Free memory was 148.4MB in the beginning and 122.5MB in the end (delta: 25.9MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:49:22,068 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...