This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:00,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:00,565 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:09:00,576 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:00,576 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:00,608 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:00,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:00,609 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:00,610 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:00,613 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:00,613 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:00,614 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:00,614 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:00,614 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:00,615 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:00,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:00,615 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:00,616 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:00,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:09:00,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:00,618 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:00,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:00,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:00,618 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:00,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:00,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:00,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:00,619 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:00,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:00,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:00,620 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:00,620 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:00,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:00,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:00,621 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:00,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:00,623 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:00,623 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:09:00,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:09:00,624 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:00,624 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:00,624 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:00,624 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:00,625 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:00,862 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:00,885 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:00,889 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:00,890 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:00,891 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:00,892 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-13 05:09:00,950 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:00,952 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:00,952 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-13 05:09:02,329 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:02,502 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:02,502 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-13 05:09:02,509 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7e37bb3b9/d57f81454c7a42b5bbaa3d5a8773c2ed/FLAG640d54353 [2024-09-13 05:09:02,523 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7e37bb3b9/d57f81454c7a42b5bbaa3d5a8773c2ed [2024-09-13 05:09:02,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:02,524 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:02,525 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:02,526 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:02,530 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:02,531 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 05:09:00" (1/2) ... [2024-09-13 05:09:02,532 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140c4428 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:02, skipping insertion in model container [2024-09-13 05:09:02,532 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 05:09:00" (1/2) ... [2024-09-13 05:09:02,533 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1c475410 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:02, skipping insertion in model container [2024-09-13 05:09:02,534 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:02" (2/2) ... [2024-09-13 05:09:02,534 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@140c4428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02, skipping insertion in model container [2024-09-13 05:09:02,534 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:02" (2/2) ... [2024-09-13 05:09:02,541 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:02,542 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((((a == v) && (1 <= (a % 4294967296))) && (b == y)) && ((x + ((b / 4294967296) * 4294967296)) <= (y + ((a / 4294967296) * 4294967296)))) && (b == u)) && (y <= (((y / 4294967296) * 4294967296) + 1))) && (a == x)) [2024-09-13 05:09:02,542 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-13 05:09:02,542 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:02,558 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:02,696 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550] [2024-09-13 05:09:02,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:02,727 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:02,765 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-13 05:09:02,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:02,790 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:02,791 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02 WrapperNode [2024-09-13 05:09:02,791 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:02,792 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:02,792 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:02,792 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:02,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,807 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,817 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:09:02,818 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,818 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,823 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,830 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:02,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:02,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:02,831 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:02,832 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (1/1) ... [2024-09-13 05:09:02,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:02,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:02,856 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 05:09:02,858 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 05:09:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:02,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:02,891 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:02,891 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:02,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:02,891 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:02,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:02,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:09:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:09:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:09:02,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:02,943 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:02,945 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:03,149 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:03,165 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:03,192 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:03,193 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:03,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:03 BoogieIcfgContainer [2024-09-13 05:09:03,193 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:03,194 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:03,194 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:03,196 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:03,196 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 05:09:00" (1/4) ... [2024-09-13 05:09:03,197 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4804c240 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:03, skipping insertion in model container [2024-09-13 05:09:03,198 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:02" (2/4) ... [2024-09-13 05:09:03,198 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4804c240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:03, skipping insertion in model container [2024-09-13 05:09:03,198 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:02" (3/4) ... [2024-09-13 05:09:03,199 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4804c240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:03, skipping insertion in model container [2024-09-13 05:09:03,199 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:03" (4/4) ... [2024-09-13 05:09:03,200 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-13 05:09:03,204 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:03,205 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:09:03,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:09:03,205 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:03,205 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 05:09:03,206 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 05:09:03,206 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:09:03,206 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:09:03,207 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, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-13 05:09:03,289 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:03,290 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:03,290 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:03,291 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:03,296 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:03,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,312 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:03,314 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,314 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:03,314 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:03,315 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:03,319 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:03,339 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:03,422 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:03,425 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:03,425 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:03,425 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:03,425 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:03,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,450 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:03,451 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,451 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:03,451 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:03,451 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:03,452 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:03,454 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:03,470 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:03,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:03,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:03,471 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:03,471 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:03,471 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,484 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:03,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:03,486 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:03,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:03,486 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,495 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:07,514 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:07,514 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,515 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,515 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,518 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:07,518 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,518 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,518 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,519 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,519 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,521 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:07,535 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:07,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,535 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,537 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:07,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,540 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:07,554 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:07,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,555 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,555 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,555 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,570 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:07,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,571 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,571 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,571 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,571 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,575 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:07,591 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:07,591 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,591 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,592 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,592 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,592 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,630 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:07,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,631 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,631 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,641 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,652 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:07,657 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:07,657 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4804c240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:07, skipping insertion in model container [2024-09-13 05:09:07,658 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:07,659 INFO L158 Benchmark]: Toolchain (without parser) took 5134.55ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 109.7MB in the beginning and 155.8MB in the end (delta: -46.1MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2024-09-13 05:09:07,660 INFO L158 Benchmark]: Witness Parser took 0.59ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 129.8MB in the end (delta: 149.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:07,661 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:07,662 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.21ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 95.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:09:07,662 INFO L158 Benchmark]: Boogie Preprocessor took 38.08ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 93.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:07,663 INFO L158 Benchmark]: RCFGBuilder took 362.40ms. Allocated memory is still 167.8MB. Free memory was 93.2MB in the beginning and 76.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 05:09:07,663 INFO L158 Benchmark]: Referee took 4463.97ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 76.9MB in the beginning and 155.8MB in the end (delta: -78.9MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2024-09-13 05:09:07,667 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.59ms. Allocated memory is still 167.8MB. Free memory was 130.0MB in the beginning and 129.8MB in the end (delta: 149.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CDTParser took 0.27ms. Allocated memory is still 167.8MB. Free memory is still 127.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.21ms. Allocated memory is still 167.8MB. Free memory was 109.3MB in the beginning and 95.7MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.08ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 93.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.40ms. Allocated memory is still 167.8MB. Free memory was 93.2MB in the beginning and 76.9MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 4463.97ms. Allocated memory was 167.8MB in the beginning and 224.4MB in the end (delta: 56.6MB). Free memory was 76.9MB in the beginning and 155.8MB in the end (delta: -78.9MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:07,695 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... ### Bit-precise run ### This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:09,788 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:09,863 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:09:09,867 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:09,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:09,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:09,904 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:09,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:09,905 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:09,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:09,905 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:09,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:09,906 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:09,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:09,909 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:09,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:09,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:09,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:09,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:09,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:09,914 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:09,914 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:09,915 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:09,915 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:09:09,915 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:09:09,915 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:09,916 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:09:09,916 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:09,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:09,916 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:09,917 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:09,917 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:09,917 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:09,918 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:09,918 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:09,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:09,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:09,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:09,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:09,922 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:09:09,922 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:09:09,924 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:09,924 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:09,924 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:09,924 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:09,925 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:09:09,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:10,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:10,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:10,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:10,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:10,290 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:10,292 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-13 05:09:11,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:11,998 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:11,998 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c [2024-09-13 05:09:12,009 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0b69042b3/b6ea0272adda4994a590e2243361e10b/FLAGeeaaac2b9 [2024-09-13 05:09:12,389 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0b69042b3/b6ea0272adda4994a590e2243361e10b [2024-09-13 05:09:12,391 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:12,391 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:12,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound1.yml/witness-2.1.yml [2024-09-13 05:09:12,454 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:12,455 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:12,456 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:12,456 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:12,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:12,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:12" (1/2) ... [2024-09-13 05:09:12,465 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515119bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:12, skipping insertion in model container [2024-09-13 05:09:12,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:12" (1/2) ... [2024-09-13 05:09:12,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@a326ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:12, skipping insertion in model container [2024-09-13 05:09:12,470 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 05:09:12" (2/2) ... [2024-09-13 05:09:12,470 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@515119bd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:12, skipping insertion in model container [2024-09-13 05:09:12,471 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 05:09:12" (2/2) ... [2024-09-13 05:09:12,481 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:12,484 INFO L1541 ArrayList]: Loop invariant at [L37-L50] (((((((a == v) && (1 <= (a % 4294967296))) && (b == y)) && ((x + ((b / 4294967296) * 4294967296)) <= (y + ((a / 4294967296) * 4294967296)))) && (b == u)) && (y <= (((y / 4294967296) * 4294967296) + 1))) && (a == x)) [2024-09-13 05:09:12,484 INFO L1541 ArrayList]: Function contract at [L11]: requires (\old(cond) == 1), ensures (\old(cond) == 1) [2024-09-13 05:09:12,484 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:12,505 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:12,675 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550] [2024-09-13 05:09:12,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:12,711 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:12,750 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound1.c[537,550] Start Parsing Local [2024-09-13 05:09:12,764 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:12,785 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:12,785 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:12 WrapperNode [2024-09-13 05:09:12,786 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:12,787 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:12,787 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:12,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:12,800 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,801 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,810 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,824 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 05:09:12,826 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,826 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,833 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,840 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,846 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,847 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,851 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:12,852 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:12,852 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:12,852 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:12,853 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 13.09 05:09:12" (1/1) ... [2024-09-13 05:09:12,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:12,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:12,885 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 05:09:12,890 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 05:09:12,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:12,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:12,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:12,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:12,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:09:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:09:12,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:09:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:13,026 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:13,030 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:13,356 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:13,371 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:13,400 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:13,400 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:13,402 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:13 BoogieIcfgContainer [2024-09-13 05:09:13,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:13,402 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:13,402 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:13,403 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:13,403 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:12" (1/4) ... [2024-09-13 05:09:13,404 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ff90465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:13, skipping insertion in model container [2024-09-13 05:09:13,404 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 05:09:12" (2/4) ... [2024-09-13 05:09:13,404 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ff90465 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:13, skipping insertion in model container [2024-09-13 05:09:13,404 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 13.09 05:09:12" (3/4) ... [2024-09-13 05:09:13,404 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ff90465 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:13, skipping insertion in model container [2024-09-13 05:09:13,404 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:13" (4/4) ... [2024-09-13 05:09:13,410 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound1.c [2024-09-13 05:09:13,413 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:13,414 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:09:13,414 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:09:13,414 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:13,415 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 05:09:13,415 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 05:09:13,415 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 05:09:13,415 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 05:09:13,415 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-13 05:09:13,474 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:13,476 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:13,476 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:13,476 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:13,477 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:13,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,496 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:13,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,498 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:13,498 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:13,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:13,506 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:13,521 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:13,566 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:13,567 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:13,567 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:13,567 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:13,567 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:13,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,592 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:13,596 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,596 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:13,596 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:13,597 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:13,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:13,602 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:13,626 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:13,627 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:13,628 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:13,628 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:13,628 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:13,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,636 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:13,637 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,637 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:13,637 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:13,638 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:13,638 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:13,643 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:13,668 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:13,668 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:13,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:13,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:13,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:13,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,672 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:13,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,673 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:13,673 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:13,673 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:13,674 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:13,676 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:13,695 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:13,695 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:13,695 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:13,696 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:13,696 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:13,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,698 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:13,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,698 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:13,699 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:13,699 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:13,699 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:13,701 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:13,718 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:13,718 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:13,718 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:13,718 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:13,718 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:13,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,731 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:13,731 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,731 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:13,731 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:13,731 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:13,732 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:13,738 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:13,750 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:13,751 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:13,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:13,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:13,751 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:13,751 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,774 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:13,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:13,775 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:13,776 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:13,776 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:13,782 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:13,808 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:13,816 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:09:13,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3ff90465 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:13, skipping insertion in model container [2024-09-13 05:09:13,817 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:13,819 INFO L158 Benchmark]: Toolchain (without parser) took 1363.12ms. Allocated memory is still 65.0MB. Free memory was 45.6MB in the beginning and 26.6MB in the end (delta: 19.1MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,820 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:13,820 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:13,821 INFO L158 Benchmark]: CACSL2BoogieTranslator took 329.97ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 31.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,821 INFO L158 Benchmark]: Boogie Preprocessor took 64.56ms. Allocated memory is still 65.0MB. Free memory was 31.0MB in the beginning and 28.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,822 INFO L158 Benchmark]: RCFGBuilder took 550.08ms. Allocated memory is still 65.0MB. Free memory was 28.6MB in the beginning and 33.6MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,823 INFO L158 Benchmark]: Referee took 414.94ms. Allocated memory is still 65.0MB. Free memory was 33.6MB in the beginning and 26.6MB in the end (delta: 7.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,825 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 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 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 50.3MB. Free memory is still 33.5MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 65.0MB. Free memory is still 31.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 329.97ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 31.0MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.56ms. Allocated memory is still 65.0MB. Free memory was 31.0MB in the beginning and 28.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 550.08ms. Allocated memory is still 65.0MB. Free memory was 28.6MB in the beginning and 33.6MB in the end (delta: -5.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 414.94ms. Allocated memory is still 65.0MB. Free memory was 33.6MB in the beginning and 26.6MB in the end (delta: 7.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:13,857 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...