This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:44,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:45,052 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:45,056 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:45,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:45,081 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:45,081 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:45,082 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:45,082 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:45,083 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:45,084 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:45,084 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:45,085 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:45,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:45,086 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:45,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:45,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:45,087 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:45,087 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:45,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:45,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:45,090 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:45,090 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:45,090 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:45,091 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:45,091 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:45,091 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:45,091 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:45,091 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:45,092 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:45,092 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:45,092 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:45,092 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:45,092 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:45,092 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:45,103 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:45,104 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:45,104 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:45,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:45,104 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:45,104 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:45,107 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:45,107 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:45,107 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:45,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:45,355 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:45,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:45,359 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:45,359 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:45,360 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/hh2012-ex1b.yml/witness-2.1.yml [2024-09-13 10:07:45,412 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:45,412 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:45,415 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-09-13 10:07:46,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:46,936 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:46,936 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-09-13 10:07:46,942 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/66773b82b/7eae2eab8427468ca62a0049ffca8dcd/FLAG847316cc4 [2024-09-13 10:07:47,347 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/66773b82b/7eae2eab8427468ca62a0049ffca8dcd [2024-09-13 10:07:47,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:47,350 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:47,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:47,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:47,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:47,358 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 10:07:45" (1/2) ... [2024-09-13 10:07:47,359 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f35adf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:47, skipping insertion in model container [2024-09-13 10:07:47,359 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 10:07:45" (1/2) ... [2024-09-13 10:07:47,360 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b17b06d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:47, skipping insertion in model container [2024-09-13 10:07:47,360 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:47" (2/2) ... [2024-09-13 10:07:47,361 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68f35adf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47, skipping insertion in model container [2024-09-13 10:07:47,361 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:47" (2/2) ... [2024-09-13 10:07:47,368 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:47,369 INFO L1541 ArrayList]: Loop invariant at [L18-L21] ((i <= 99) && (j <= 100)) [2024-09-13 10:07:47,372 INFO L1541 ArrayList]: Loop invariant at [L16-L25] (i < 101) [2024-09-13 10:07:47,372 INFO L1541 ArrayList]: Function contract at [L13]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:07:47,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:47,529 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/hh2012-ex1b.i[800,813] [2024-09-13 10:07:47,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:47,563 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:47,597 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/hh2012-ex1b.i[800,813] Start Parsing Local Start Parsing Local [2024-09-13 10:07:47,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:47,620 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:47,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47 WrapperNode [2024-09-13 10:07:47,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:47,622 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:47,622 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:47,622 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:47,634 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,634 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,639 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,652 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 10:07:47,653 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,653 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,656 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,664 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,665 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:47,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:47,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:47,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:47,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (1/1) ... [2024-09-13 10:07:47,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:47,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:47,701 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 10:07:47,707 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 10:07:47,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:47,750 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:47,751 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:07:47,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:07:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:47,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:07:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:47,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:07:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:07:47,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:47,824 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:47,826 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:47,908 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:47,923 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:47,950 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:47,951 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-13 10:07:47,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:47 BoogieIcfgContainer [2024-09-13 10:07:47,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:47,952 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:47,952 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:47,953 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:47,953 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 10:07:45" (1/4) ... [2024-09-13 10:07:47,953 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@472c36aa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:47, skipping insertion in model container [2024-09-13 10:07:47,953 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:47" (2/4) ... [2024-09-13 10:07:47,954 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@472c36aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:47, skipping insertion in model container [2024-09-13 10:07:47,954 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:47" (3/4) ... [2024-09-13 10:07:47,954 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@472c36aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:47, skipping insertion in model container [2024-09-13 10:07:47,954 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:47" (4/4) ... [2024-09-13 10:07:47,955 INFO L79 RefereeObserver]: Analyzing ICFG hh2012-ex1b.i [2024-09-13 10:07:47,958 INFO L112 InvariantChecker]: Found 2 loops. [2024-09-13 10:07:47,959 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:47,959 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:07:47,959 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 10:07:47,959 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:07:47,959 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:47,959 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 10:07:47,960 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-13 10:07:47,960 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 10:07:47,960 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 10:07:47,960 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-1 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:07:47,960 INFO L130 InvariantChecker]: Will check 3 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, 4 loop-free subgraphs from loop head to error location [2024-09-13 10:07:47,999 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:48,000 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,001 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,001 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,002 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,011 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:48,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,012 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,014 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,036 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:48,051 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:07:48,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,057 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:07:48,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,057 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,058 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,058 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,063 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,071 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:48,079 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:07:48,080 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,080 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,080 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,080 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,081 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:07:48,081 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,082 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,082 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,082 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,082 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,086 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:48,095 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:07:48,095 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,095 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,095 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,096 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,104 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-13 10:07:48,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,105 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,105 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,105 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,107 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,109 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:48,115 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:48,116 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,116 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,116 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,122 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:48,126 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,126 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,127 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,127 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,127 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,129 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:48,135 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:07:48,135 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,136 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,136 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,136 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,139 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:07:48,139 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,139 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,142 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,145 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:48,154 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 6 edges [2024-09-13 10:07:48,154 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,154 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,154 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,154 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,159 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:07:48,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,163 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,163 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,169 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:48,174 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:48,174 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,175 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,180 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:48,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,181 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,182 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,183 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:48,190 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:48,190 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,191 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,191 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,191 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,191 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,192 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:48,192 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,193 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,193 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,193 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,193 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,200 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:48,206 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:07:48,206 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:48,206 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:48,206 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:48,208 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:48,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,210 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:07:48,210 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:48,210 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:48,210 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:48,211 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:48,213 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:48,215 INFO L514 InvariantChecker]: The annotation(s) from loop head L20-1 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:48,218 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:07:48,218 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@472c36aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:48, skipping insertion in model container [2024-09-13 10:07:48,219 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:48,221 INFO L158 Benchmark]: Toolchain (without parser) took 869.69ms. Allocated memory is still 184.5MB. Free memory was 125.4MB in the beginning and 73.4MB in the end (delta: 52.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-09-13 10:07:48,221 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:48,222 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 184.5MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:48,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.56ms. Allocated memory is still 184.5MB. Free memory was 125.4MB in the beginning and 111.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:48,223 INFO L158 Benchmark]: Boogie Preprocessor took 46.25ms. Allocated memory is still 184.5MB. Free memory was 111.9MB in the beginning and 110.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:48,223 INFO L158 Benchmark]: RCFGBuilder took 282.57ms. Allocated memory is still 184.5MB. Free memory was 109.9MB in the beginning and 97.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:48,224 INFO L158 Benchmark]: Referee took 266.82ms. Allocated memory is still 184.5MB. Free memory was 97.3MB in the beginning and 73.4MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:48,226 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 16 to loop head at line 18. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to loop head at line 16. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 18. 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 18 to check that procedure precondition always holds at line 20. Annotation is valid for all loop-free paths from loop head at line 18 to check that procedure precondition always holds at line 24. 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 loop head at line 16 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 184.5MB. Free memory is still 149.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.34ms. Allocated memory is still 184.5MB. Free memory is still 147.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.56ms. Allocated memory is still 184.5MB. Free memory was 125.4MB in the beginning and 111.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.25ms. Allocated memory is still 184.5MB. Free memory was 111.9MB in the beginning and 110.3MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.57ms. Allocated memory is still 184.5MB. Free memory was 109.9MB in the beginning and 97.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 266.82ms. Allocated memory is still 184.5MB. Free memory was 97.3MB in the beginning and 73.4MB in the end (delta: 23.9MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:48,261 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...