This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:47:01,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:47:01,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:47:01,183 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:47:01,184 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:47:01,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:47:01,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:47:01,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:47:01,211 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:47:01,213 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:47:01,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:47:01,215 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:47:01,216 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:47:01,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:47:01,216 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:47:01,216 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:47:01,217 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:47:01,217 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:47:01,217 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:47:01,217 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:47:01,218 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:47:01,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:47:01,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:47:01,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:47:01,221 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:47:01,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:47:01,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:47:01,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:47:01,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:47:01,222 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:47:01,223 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:47:01,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:47:01,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:47:01,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:01,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:47:01,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:47:01,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:47:01,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:47:01,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:47:01,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:47:01,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:47:01,226 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:47:01,226 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:47:01,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:47:01,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:47:01,498 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:47:01,500 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:47:01,501 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:47:01,502 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:47:01,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/while_infinite_loop_2.c [2024-09-21 12:47:02,963 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:47:03,159 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:47:03,159 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/while_infinite_loop_2.c [2024-09-21 12:47:03,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d92a13b15/9fca1749b6714eaaa25a52d854af6618/FLAGb2abbc2b1 [2024-09-21 12:47:03,185 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d92a13b15/9fca1749b6714eaaa25a52d854af6618 [2024-09-21 12:47:03,187 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:47:03,187 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:47:03,188 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_2.yml/witness-2.1.yml [2024-09-21 12:47:03,238 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:47:03,239 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:47:03,241 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:03,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:47:03,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:47:03,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:03" (1/2) ... [2024-09-21 12:47:03,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45cde42d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:03, skipping insertion in model container [2024-09-21 12:47:03,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:47:03" (1/2) ... [2024-09-21 12:47:03,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@9f5f12c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:47:03, skipping insertion in model container [2024-09-21 12:47:03,250 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 12:47:03" (2/2) ... [2024-09-21 12:47:03,252 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45cde42d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:03, skipping insertion in model container [2024-09-21 12:47:03,252 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 12:47:03" (2/2) ... [2024-09-21 12:47:03,262 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:47:03,263 INFO L1541 ArrayList]: Loop invariant at [L14-L17] (x == 0) [2024-09-21 12:47:03,263 INFO L1541 ArrayList]: Function contract at [L5]: requires (cond != 0), ensures (cond != 0) [2024-09-21 12:47:03,263 INFO L1541 ArrayList]: Function contract at [L11]: requires null, ensures 0 [2024-09-21 12:47:03,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:47:03,417 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/while_infinite_loop_2.c[333,346] [2024-09-21 12:47:03,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:03,440 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 12:47:03,474 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/while_infinite_loop_2.c[333,346] Start Parsing Global Start Parsing Local [2024-09-21 12:47:03,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:47:03,492 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:47:03,493 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:47:03 WrapperNode [2024-09-21 12:47:03,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:47:03,494 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:47:03,494 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:47:03,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:47:03,507 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,507 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,513 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,522 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 12:47:03,522 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,523 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,526 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,529 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,533 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,534 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,535 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:47:03,536 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:47:03,536 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:47:03,536 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:47:03,537 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 12:47:03" (1/1) ... [2024-09-21 12:47:03,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:47:03,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:47:03,567 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 12:47:03,570 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 12:47:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:47:03,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:47:03,615 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:47:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:47:03,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:47:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:47:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:47:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:47:03,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:47:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:47:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:47:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:47:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:47:03,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:47:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:47:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:47:03,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:47:03,681 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:47:03,682 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:47:03,740 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:47:03,751 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:47:03,775 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:47:03,777 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:47:03,777 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:47:03 BoogieIcfgContainer [2024-09-21 12:47:03,777 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:47:03,778 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:47:03,778 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:47:03,779 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:47:03,779 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:47:03" (1/4) ... [2024-09-21 12:47:03,780 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30dc510f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:47:03, skipping insertion in model container [2024-09-21 12:47:03,780 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 12:47:03" (2/4) ... [2024-09-21 12:47:03,780 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30dc510f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:03, skipping insertion in model container [2024-09-21 12:47:03,781 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 12:47:03" (3/4) ... [2024-09-21 12:47:03,781 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30dc510f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:47:03, skipping insertion in model container [2024-09-21 12:47:03,781 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 12:47:03" (4/4) ... [2024-09-21 12:47:03,782 INFO L79 RefereeObserver]: Analyzing ICFG while_infinite_loop_2.c [2024-09-21 12:47:03,787 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:47:03,788 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-21 12:47:03,788 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 12:47:03,788 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:47:03,789 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:47:03,789 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 12:47:03,789 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 12:47:03,789 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:47:03,789 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-21 12:47:03,825 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 12:47:03,826 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:03,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:03,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:03,828 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:03,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,846 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 12:47:03,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,848 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:03,848 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:03,848 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:03,849 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:03,875 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:03,889 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 12:47:03,890 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:03,891 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:03,891 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:03,891 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:03,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,892 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 12:47:03,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,894 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:03,894 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:03,894 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:03,894 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:03,900 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:47:03,908 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:47:03,908 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:03,908 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:03,908 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:03,908 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:03,909 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,912 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:47:03,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:03,913 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:03,913 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:03,916 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:03,917 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:03,923 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:03,924 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:03,924 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:03,924 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:03,924 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:03,924 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,926 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:03,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,926 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:03,927 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:03,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:03,927 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:03,928 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:47:03,935 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:03,936 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:03,936 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:03,936 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:03,936 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:03,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,941 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:47:03,941 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,941 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:03,941 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:03,941 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:03,942 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:03,944 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:03,950 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:47:03,950 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:03,950 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:03,950 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:03,950 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:03,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,954 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:47:03,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,954 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:03,955 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:03,955 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:03,955 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:03,957 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:47:03,964 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:47:03,964 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:47:03,964 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:47:03,964 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:47:03,964 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:47:03,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,967 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-21 12:47:03,967 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:47:03,967 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:47:03,967 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:47:03,968 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:47:03,968 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:47:03,970 INFO L520 InvariantChecker]: The annotation(s) from loop head L16-1 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:47:03,974 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-21 12:47:03,974 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30dc510f and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:47:03, skipping insertion in model container [2024-09-21 12:47:03,975 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:47:03,976 INFO L158 Benchmark]: Toolchain (without parser) took 736.22ms. Allocated memory is still 186.6MB. Free memory was 150.4MB in the beginning and 111.6MB in the end (delta: 38.8MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-21 12:47:03,977 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 81.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:03,977 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 152.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:47:03,977 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.13ms. Allocated memory is still 186.6MB. Free memory was 149.3MB in the beginning and 136.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:03,978 INFO L158 Benchmark]: Boogie Preprocessor took 41.00ms. Allocated memory is still 186.6MB. Free memory was 136.8MB in the beginning and 134.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:47:03,978 INFO L158 Benchmark]: RCFGBuilder took 241.79ms. Allocated memory is still 186.6MB. Free memory was 134.7MB in the beginning and 124.2MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-21 12:47:03,979 INFO L158 Benchmark]: Referee took 196.57ms. Allocated memory is still 186.6MB. Free memory was 124.2MB in the beginning and 111.6MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-21 12:47:03,981 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 entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 14 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from loop head at line 14 to loop head at line 14. Annotation is valid for all loop-free paths from loop head at line 14 to check that procedure precondition always holds at line 14. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 14. 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 7. Annotation is valid for all loop-free paths from loop head at line 14 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 121.6MB. Free memory was 81.5MB in the beginning and 81.4MB in the end (delta: 119.0kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 186.6MB. Free memory is still 152.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.13ms. Allocated memory is still 186.6MB. Free memory was 149.3MB in the beginning and 136.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.00ms. Allocated memory is still 186.6MB. Free memory was 136.8MB in the beginning and 134.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 241.79ms. Allocated memory is still 186.6MB. Free memory was 134.7MB in the beginning and 124.2MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 196.57ms. Allocated memory is still 186.6MB. Free memory was 124.2MB in the beginning and 111.6MB in the end (delta: 12.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-21 12:47:04,004 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...