This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:03:10,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:03:10,629 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:03:10,633 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:03:10,634 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:03:10,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:03:10,668 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:03:10,668 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:03:10,669 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:03:10,670 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:03:10,670 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:03:10,671 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:03:10,671 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:03:10,672 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:03:10,672 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:03:10,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:03:10,673 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:03:10,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:03:10,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:03:10,674 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:03:10,674 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:03:10,678 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:03:10,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:03:10,679 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:03:10,679 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:03:10,679 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:03:10,680 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:03:10,680 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:03:10,680 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:03:10,680 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:03:10,681 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:03:10,681 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:03:10,682 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:03:10,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:10,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:03:10,683 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:03:10,683 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:03:10,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:03:10,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:03:10,684 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:03:10,684 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:03:10,685 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:03:10,685 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:03:10,685 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:03:10,894 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:03:10,920 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:03:10,923 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:03:10,924 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:03:10,925 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:03:10,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/bh2017-ex-add.yml/witness-2.1.yml [2024-09-13 05:03:11,015 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:03:11,015 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:03:11,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/bh2017-ex-add.i [2024-09-13 05:03:12,393 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:03:12,585 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:03:12,587 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/bh2017-ex-add.i [2024-09-13 05:03:12,594 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/65a844091/677584090aa447d891ec75e3c7b4f1c3/FLAG352f6fb41 [2024-09-13 05:03:12,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/65a844091/677584090aa447d891ec75e3c7b4f1c3 [2024-09-13 05:03:12,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:03:12,969 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:03:12,970 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:12,970 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:03:12,975 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:03:12,975 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 05:03:11" (1/2) ... [2024-09-13 05:03:12,976 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e45104 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:12, skipping insertion in model container [2024-09-13 05:03:12,976 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 05:03:11" (1/2) ... [2024-09-13 05:03:12,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@572a2f6e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:03:12, skipping insertion in model container [2024-09-13 05:03:12,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:12" (2/2) ... [2024-09-13 05:03:12,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30e45104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:12, skipping insertion in model container [2024-09-13 05:03:12,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:03:12" (2/2) ... [2024-09-13 05:03:12,987 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:03:12,988 INFO L1541 ArrayList]: Loop invariant at [L18-L43] ((m <= 60) && (n <= 60)) [2024-09-13 05:03:12,990 INFO L1541 ArrayList]: Function contract at [L15]: requires null, ensures 0 [2024-09-13 05:03:12,991 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 05:03:13,004 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:03:13,169 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/loop-lit/bh2017-ex-add.i[802,815] [2024-09-13 05:03:13,182 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:13,191 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:03:13,232 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/loop-lit/bh2017-ex-add.i[802,815] Start Parsing Global Start Parsing Local [2024-09-13 05:03:13,240 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:03:13,257 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:03:13,258 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13 WrapperNode [2024-09-13 05:03:13,258 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:03:13,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:03:13,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:03:13,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:03:13,269 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,280 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 05:03:13,280 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,280 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,287 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:03:13,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:03:13,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:03:13,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:03:13,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (1/1) ... [2024-09-13 05:03:13,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:03:13,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:03:13,319 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 05:03:13,323 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 05:03:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:03:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:03:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:03:13,353 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:03:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:03:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:03:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 05:03:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 05:03:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:03:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:03:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:03:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:03:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2024-09-13 05:03:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:03:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:03:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:03:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:03:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:03:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:03:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:03:13,410 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:03:13,412 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:03:13,529 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:03:13,539 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:03:13,564 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:03:13,565 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:03:13,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:13 BoogieIcfgContainer [2024-09-13 05:03:13,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:03:13,566 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:03:13,566 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:03:13,569 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:03:13,569 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 05:03:11" (1/4) ... [2024-09-13 05:03:13,570 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22a34707 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:03:13, skipping insertion in model container [2024-09-13 05:03:13,570 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:03:12" (2/4) ... [2024-09-13 05:03:13,571 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22a34707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:13, skipping insertion in model container [2024-09-13 05:03:13,571 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:03:13" (3/4) ... [2024-09-13 05:03:13,571 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22a34707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:03:13, skipping insertion in model container [2024-09-13 05:03:13,571 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:03:13" (4/4) ... [2024-09-13 05:03:13,572 INFO L79 RefereeObserver]: Analyzing ICFG bh2017-ex-add.i [2024-09-13 05:03:13,575 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:03:13,575 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:03:13,576 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr5ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:03:13,576 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 23 edges. [2024-09-13 05:03:13,576 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:03:13,576 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:03:13,576 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 18 edges. [2024-09-13 05:03:13,576 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 05:03:13,577 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 05:03:13,577 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L32-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-13 05:03:13,577 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to error location [2024-09-13 05:03:13,612 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:03:13,613 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:13,615 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:13,615 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:13,617 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:13,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,629 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:03:13,630 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,631 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:13,631 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:13,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:13,632 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:13,647 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:03:13,665 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:13,665 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:13,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:13,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:13,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:13,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,668 INFO L101 BaseMinimizeStates]: Removed 9 edges and 3 locations by large block encoding [2024-09-13 05:03:13,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:13,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:13,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:13,675 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:13,679 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr5ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:03:13,706 INFO L314 BlockEncoder]: Initial Icfg 18 locations, 23 edges [2024-09-13 05:03:13,708 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:13,708 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:13,708 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:13,709 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:13,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,889 INFO L101 BaseMinimizeStates]: Removed 60 edges and 16 locations by large block encoding [2024-09-13 05:03:13,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,890 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:13,890 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:13,890 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:13,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:13,960 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:13,967 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:03:13,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:13,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:13,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:13,968 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:13,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,969 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:03:13,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,970 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:13,970 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:13,970 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:13,970 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:13,974 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:03:13,980 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:03:13,981 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:13,981 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:13,981 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:13,981 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:13,982 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,983 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:03:13,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:13,983 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:13,983 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:13,984 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:13,984 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:13,985 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:03:13,993 INFO L314 BlockEncoder]: Initial Icfg 16 locations, 18 edges [2024-09-13 05:03:13,993 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:13,993 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:13,993 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:13,993 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:13,994 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:14,061 INFO L101 BaseMinimizeStates]: Removed 46 edges and 14 locations by large block encoding [2024-09-13 05:03:14,061 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:14,061 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:14,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:14,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:14,074 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:14,081 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:03:14,088 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:03:14,089 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:14,089 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:14,089 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:14,089 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:14,090 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:14,092 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:03:14,093 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:14,093 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:14,093 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:14,093 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:14,093 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:14,095 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:03:14,104 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:03:14,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:14,104 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:14,104 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:14,104 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:14,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:14,106 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:03:14,106 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:14,106 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:14,106 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:14,106 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:14,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:14,109 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:03:14,115 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-13 05:03:14,116 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:03:14,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:03:14,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:03:14,116 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:03:14,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:14,125 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-13 05:03:14,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:03:14,125 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:03:14,125 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:03:14,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:03:14,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:03:14,127 INFO L514 InvariantChecker]: The annotation(s) from loop head L32-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:03:14,130 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:03:14,131 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22a34707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:03:14, skipping insertion in model container [2024-09-13 05:03:14,131 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:03:14,132 INFO L158 Benchmark]: Toolchain (without parser) took 1162.89ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 76.3MB in the beginning and 119.0MB in the end (delta: -42.7MB). Peak memory consumption was 42.0MB. Max. memory is 16.1GB. [2024-09-13 05:03:14,133 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:14,133 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:03:14,134 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.09ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 76.1MB in the beginning and 200.8MB in the end (delta: -124.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. [2024-09-13 05:03:14,135 INFO L158 Benchmark]: Boogie Preprocessor took 33.75ms. Allocated memory is still 232.8MB. Free memory was 200.8MB in the beginning and 198.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:03:14,136 INFO L158 Benchmark]: RCFGBuilder took 272.43ms. Allocated memory is still 232.8MB. Free memory was 198.7MB in the beginning and 185.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:03:14,136 INFO L158 Benchmark]: Referee took 565.20ms. Allocated memory is still 232.8MB. Free memory was 185.1MB in the beginning and 119.0MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-09-13 05:03:14,139 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 18 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 19. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 18. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from loop head at line 18 to exit of procedure main. 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 18 to check that procedure precondition always holds at line 19. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 18. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 151.0MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.09ms. Allocated memory was 151.0MB in the beginning and 232.8MB in the end (delta: 81.8MB). Free memory was 76.1MB in the beginning and 200.8MB in the end (delta: -124.7MB). Peak memory consumption was 14.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.75ms. Allocated memory is still 232.8MB. Free memory was 200.8MB in the beginning and 198.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 272.43ms. Allocated memory is still 232.8MB. Free memory was 198.7MB in the beginning and 185.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 565.20ms. Allocated memory is still 232.8MB. Free memory was 185.1MB in the beginning and 119.0MB in the end (delta: 66.1MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:03:14,171 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...