This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:19,972 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:20,048 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:20,051 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:20,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:20,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:20,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:20,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:20,085 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:20,086 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:20,086 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:20,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:20,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:20,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:20,088 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:20,088 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:20,089 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:20,089 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:20,090 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:20,090 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:20,092 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:20,092 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:20,093 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:20,093 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:20,093 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:20,093 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:20,094 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:20,094 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:20,094 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:20,094 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:20,095 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:20,095 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:20,095 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:20,096 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:20,096 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:20,097 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:20,097 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:20,098 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:20,098 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:20,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:20,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:20,099 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:20,103 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:20,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:20,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:20,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:20,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:20,377 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:20,378 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:20,379 INFO L431 ainManager$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 [2024-09-13 10:09:20,425 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:20,425 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:20,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-09-13 10:09:21,904 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:22,140 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:22,141 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound1.c [2024-09-13 10:09:22,150 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d625d54ae/fc72c9ec9d564665ad27382dc25a189d/FLAGccd616435 [2024-09-13 10:09:22,170 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d625d54ae/fc72c9ec9d564665ad27382dc25a189d [2024-09-13 10:09:22,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:22,173 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:22,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:22,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:22,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:22,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:20" (1/2) ... [2024-09-13 10:09:22,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc331e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:22, skipping insertion in model container [2024-09-13 10:09:22,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:20" (1/2) ... [2024-09-13 10:09:22,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5f9f9714 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:22, skipping insertion in model container [2024-09-13 10:09:22,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:22" (2/2) ... [2024-09-13 10:09:22,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc331e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22, skipping insertion in model container [2024-09-13 10:09:22,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:22" (2/2) ... [2024-09-13 10:09:22,197 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:22,198 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))) [2024-09-13 10:09:22,198 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:22,217 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:22,394 WARN L247 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] [2024-09-13 10:09:22,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:22,437 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:09:22,474 WARN L247 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 [2024-09-13 10:09:22,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:22,511 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:22,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22 WrapperNode [2024-09-13 10:09:22,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:22,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:22,513 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:22,513 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:22,525 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,531 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,540 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 [2024-09-13 10:09:22,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,552 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,558 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:22,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:22,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:22,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:22,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (1/1) ... [2024-09-13 10:09:22,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:22,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:22,596 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) [2024-09-13 10:09:22,602 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 [2024-09-13 10:09:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:22,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:09:22,650 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:22,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:22,728 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:22,732 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:22,868 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:22,897 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:22,932 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:22,932 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:09:22,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:22 BoogieIcfgContainer [2024-09-13 10:09:22,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:22,934 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:22,934 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:22,935 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:22,935 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:20" (1/4) ... [2024-09-13 10:09:22,935 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31d7d0b4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:22, skipping insertion in model container [2024-09-13 10:09:22,935 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:22" (2/4) ... [2024-09-13 10:09:22,936 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31d7d0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:22, skipping insertion in model container [2024-09-13 10:09:22,936 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:22" (3/4) ... [2024-09-13 10:09:22,936 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31d7d0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:22, skipping insertion in model container [2024-09-13 10:09:22,936 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:22" (4/4) ... [2024-09-13 10:09:22,937 INFO L79 RefereeObserver]: Analyzing ICFG fermat2-ll_valuebound1.c [2024-09-13 10:09:22,941 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:09:22,942 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:09:22,942 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:22,942 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:22,942 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L39-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:22,942 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:22,943 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:22,943 INFO L130 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 [2024-09-13 10:09:23,000 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:09:23,001 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:23,002 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:23,002 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:23,003 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:23,005 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,035 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:09:23,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:23,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:23,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:23,044 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:23,061 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:23,076 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:23,076 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:23,079 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:23,079 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:23,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:23,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,083 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:23,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:23,084 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:23,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:23,084 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:23,086 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:23,120 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-13 10:09:23,121 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:23,121 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:23,121 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:23,121 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:23,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,138 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-13 10:09:23,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:23,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:23,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:23,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:23,147 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:23,167 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:09:23,167 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:23,168 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:23,168 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:23,168 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:23,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,187 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:09:23,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,187 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:23,187 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:23,187 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:23,195 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:23,200 INFO L514 InvariantChecker]: The annotation(s) from loop head L39-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:23,212 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:23,212 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:23,212 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:23,212 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:23,212 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:23,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,218 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:23,218 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:23,218 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:23,218 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:23,222 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:23,227 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:23,235 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:23,235 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:23,235 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:23,235 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:23,235 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:23,236 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,237 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:23,237 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:23,237 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:23,238 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:23,238 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:23,238 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:23,239 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:23,242 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:09:23,243 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@31d7d0b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:23, skipping insertion in model container [2024-09-13 10:09:23,243 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:23,244 INFO L158 Benchmark]: Toolchain (without parser) took 1071.18ms. Allocated memory is still 163.6MB. Free memory was 109.0MB in the beginning and 118.3MB in the end (delta: -9.3MB). Peak memory consumption was 46.9MB. Max. memory is 16.1GB. [2024-09-13 10:09:23,244 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:23,245 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:23,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.38ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 95.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:09:23,246 INFO L158 Benchmark]: Boogie Preprocessor took 49.91ms. Allocated memory is still 163.6MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:23,246 INFO L158 Benchmark]: RCFGBuilder took 369.37ms. Allocated memory is still 163.6MB. Free memory was 92.9MB in the beginning and 79.6MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:23,246 INFO L158 Benchmark]: Referee took 309.38ms. Allocated memory is still 163.6MB. Free memory was 79.6MB in the beginning and 118.3MB in the end (delta: -38.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2024-09-13 10:09:23,249 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 36. 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 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 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 check that procedure precondition always holds at line 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 163.6MB. Free memory is still 123.8MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 163.6MB. Free memory is still 121.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.38ms. Allocated memory is still 163.6MB. Free memory was 108.5MB in the beginning and 95.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.91ms. Allocated memory is still 163.6MB. Free memory was 95.0MB in the beginning and 92.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 369.37ms. Allocated memory is still 163.6MB. Free memory was 92.9MB in the beginning and 79.6MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 309.38ms. Allocated memory is still 163.6MB. Free memory was 79.6MB in the beginning and 118.3MB in the end (delta: -38.7MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:23,277 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...