This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:14,431 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:14,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:09:14,494 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:14,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:14,517 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:14,517 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:14,518 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:14,518 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:14,521 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:14,521 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:14,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:14,522 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:14,522 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:14,522 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:14,522 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:14,523 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:14,523 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:14,523 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:09:14,524 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:14,524 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:14,524 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:14,525 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:14,525 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:14,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:14,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:14,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:14,525 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:14,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:14,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:14,526 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:14,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:14,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:14,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:14,526 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:14,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:14,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:14,527 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:09:14,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:09:14,527 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:14,527 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:14,529 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:14,529 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:14,529 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:14,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:14,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:14,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:14,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:14,731 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:14,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-13 05:09:15,965 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:16,153 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:16,153 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-13 05:09:16,163 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/54c89ec6c/3033ed0e9fa54e70ab631bb88973380e/FLAGd75dbb3d2 [2024-09-13 05:09:16,570 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/54c89ec6c/3033ed0e9fa54e70ab631bb88973380e [2024-09-13 05:09:16,572 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:16,573 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:16,574 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-13 05:09:16,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:16,623 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:16,625 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:16,625 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:16,630 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:16,633 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:16" (1/2) ... [2024-09-13 05:09:16,634 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13caa279 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:16, skipping insertion in model container [2024-09-13 05:09:16,634 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:16" (1/2) ... [2024-09-13 05:09:16,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@dd87605 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:16, skipping insertion in model container [2024-09-13 05:09:16,636 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 05:09:16" (2/2) ... [2024-09-13 05:09:16,636 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13caa279 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:16, skipping insertion in model container [2024-09-13 05:09:16,636 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 05:09:16" (2/2) ... [2024-09-13 05:09:16,646 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:16,649 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 05:09:16,649 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:16,649 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:16,666 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:16,795 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_valuebound5.c[537,550] [2024-09-13 05:09:16,825 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:16,833 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:16,867 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_valuebound5.c[537,550] Start Parsing Local [2024-09-13 05:09:16,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:16,898 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:16,898 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:16 WrapperNode [2024-09-13 05:09:16,898 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:16,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:16,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:16,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:16,910 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,910 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,917 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,925 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 05:09:16,925 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,926 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,929 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,931 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,933 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,933 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,935 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:16,935 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:16,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:16,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:16,936 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 05:09:16" (1/1) ... [2024-09-13 05:09:16,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:16,947 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:16,959 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 05:09:16,961 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 05:09:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:16,998 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:09:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:09:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:09:16,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:17,050 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:17,052 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:17,255 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:17,269 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:17,308 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:17,309 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:17,309 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:17 BoogieIcfgContainer [2024-09-13 05:09:17,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:17,310 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:17,310 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:17,311 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:17,311 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:16" (1/4) ... [2024-09-13 05:09:17,312 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59081155 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:17, skipping insertion in model container [2024-09-13 05:09:17,313 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 05:09:16" (2/4) ... [2024-09-13 05:09:17,313 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59081155 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:17, skipping insertion in model container [2024-09-13 05:09:17,313 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 05:09:16" (3/4) ... [2024-09-13 05:09:17,314 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59081155 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:17, skipping insertion in model container [2024-09-13 05:09:17,314 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 05:09:17" (4/4) ... [2024-09-13 05:09:17,316 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-13 05:09:17,319 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:17,320 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 05:09:17,320 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 05:09:17,320 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 05:09:17,320 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 05:09:17,321 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 05:09:17,321 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 05:09:17,321 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 05:09:17,321 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:09:17,374 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:17,374 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:17,375 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:17,376 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:17,377 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:17,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:17,387 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:17,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:17,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:17,389 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:17,389 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:17,392 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:17,409 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:17,435 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:17,436 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:17,436 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:17,436 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:17,436 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:17,436 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:17,462 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:17,462 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:17,462 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:17,463 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:17,463 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:17,467 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:17,469 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:17,485 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:17,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:17,486 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:17,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:17,486 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:17,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:17,495 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:17,495 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:17,495 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:17,496 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:17,496 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:17,496 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,501 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:21,518 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:21,518 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,518 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,519 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,521 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:21,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,522 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,522 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,523 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,524 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:21,534 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:21,534 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,534 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,534 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,535 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,536 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:21,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,537 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,537 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,537 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,538 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:21,549 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:21,549 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,549 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,549 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,550 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,561 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:21,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,561 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,562 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,562 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,562 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,564 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:21,574 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:21,574 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,575 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,575 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,575 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,575 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,599 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:21,599 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,599 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,599 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,600 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,606 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:25,613 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:25,618 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:25,619 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@59081155 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:25, skipping insertion in model container [2024-09-13 05:09:25,619 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:25,624 INFO L158 Benchmark]: Toolchain (without parser) took 8996.84ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 95.6MB in the beginning and 127.5MB in the end (delta: -31.9MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,624 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:25,625 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:25,625 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.30ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 81.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,625 INFO L158 Benchmark]: Boogie Preprocessor took 35.97ms. Allocated memory is still 153.1MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,626 INFO L158 Benchmark]: RCFGBuilder took 374.02ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 78.8MB in the beginning and 171.6MB in the end (delta: -92.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,626 INFO L158 Benchmark]: Referee took 8309.00ms. Allocated memory is still 201.3MB. Free memory was 171.6MB in the beginning and 127.5MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,628 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. Insufficient resources for checking whether 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 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 check that procedure precondition always holds at line 37. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 153.1MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 153.1MB. Free memory is still 97.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.30ms. Allocated memory is still 153.1MB. Free memory was 95.6MB in the beginning and 81.2MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.97ms. Allocated memory is still 153.1MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 374.02ms. Allocated memory was 153.1MB in the beginning and 201.3MB in the end (delta: 48.2MB). Free memory was 78.8MB in the beginning and 171.6MB in the end (delta: -92.8MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Referee took 8309.00ms. Allocated memory is still 201.3MB. Free memory was 171.6MB in the beginning and 127.5MB in the end (delta: 44.0MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:25,648 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... ### Bit-precise run ### This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:27,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:27,489 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:09:27,493 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:27,494 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:27,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:27,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:27,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:27,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:27,515 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:27,515 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:27,515 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:27,516 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:27,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:27,519 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:27,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:27,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:27,520 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:27,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:27,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:27,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:27,521 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:27,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:27,524 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:09:27,525 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:09:27,525 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:27,525 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:09:27,525 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:27,525 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:27,526 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:27,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:27,526 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:27,526 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:27,526 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:27,526 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:27,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:27,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:27,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:27,527 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:27,527 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:09:27,528 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:09:27,528 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:27,528 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:27,528 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:27,528 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:27,528 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:09:27,528 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:27,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:27,822 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:27,825 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:27,826 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:27,827 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:27,829 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-13 05:09:27,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:27,879 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:27,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-13 05:09:29,193 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:29,343 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:29,344 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-13 05:09:29,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cac211f8e/c804b3c4188f433899488e651c2b5d4b/FLAG6a75aa64d [2024-09-13 05:09:29,366 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cac211f8e/c804b3c4188f433899488e651c2b5d4b [2024-09-13 05:09:29,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:29,367 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:29,369 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:29,369 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:29,373 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:29,373 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 05:09:27" (1/2) ... [2024-09-13 05:09:29,374 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f37e053 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:29, skipping insertion in model container [2024-09-13 05:09:29,374 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 05:09:27" (1/2) ... [2024-09-13 05:09:29,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3adae287 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:29, skipping insertion in model container [2024-09-13 05:09:29,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:29" (2/2) ... [2024-09-13 05:09:29,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f37e053 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29, skipping insertion in model container [2024-09-13 05:09:29,376 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:29" (2/2) ... [2024-09-13 05:09:29,382 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:29,382 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 05:09:29,383 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:29,383 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:29,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:29,520 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_valuebound5.c[537,550] [2024-09-13 05:09:29,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:29,545 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:29,585 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_valuebound5.c[537,550] Start Parsing Local [2024-09-13 05:09:29,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:29,604 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:29,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29 WrapperNode [2024-09-13 05:09:29,604 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:29,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:29,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:29,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:29,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,621 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,633 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 05:09:29,633 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,634 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,651 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,652 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,654 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:29,654 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:29,654 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:29,655 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:29,655 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (1/1) ... [2024-09-13 05:09:29,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:29,667 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:29,679 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 05:09:29,681 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 05:09:29,719 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:29,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:29,720 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:29,721 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:09:29,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:29,789 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:29,791 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:30,170 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:30,192 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:30,225 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:30,226 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:30,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:30 BoogieIcfgContainer [2024-09-13 05:09:30,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:30,227 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:30,227 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:30,228 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:30,228 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 05:09:27" (1/4) ... [2024-09-13 05:09:30,228 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d20d0b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:30, skipping insertion in model container [2024-09-13 05:09:30,229 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:29" (2/4) ... [2024-09-13 05:09:30,230 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d20d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:30, skipping insertion in model container [2024-09-13 05:09:30,230 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:29" (3/4) ... [2024-09-13 05:09:30,230 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d20d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:30, skipping insertion in model container [2024-09-13 05:09:30,230 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:30" (4/4) ... [2024-09-13 05:09:30,231 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-13 05:09:30,234 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:30,235 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 05:09:30,235 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 05:09:30,235 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 05:09:30,236 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 05:09:30,236 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 05:09:30,236 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 05:09:30,236 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 05:09:30,236 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 05:09:30,296 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:30,297 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:30,298 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:30,298 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:30,299 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:30,302 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,314 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:30,315 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,316 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:30,316 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:30,317 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:30,320 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:30,338 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:30,366 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:30,367 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:30,367 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:30,367 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:30,367 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:30,370 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,386 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:30,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,391 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:30,391 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:30,391 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:30,392 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:30,393 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:30,410 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:30,411 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:30,411 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:30,411 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:30,411 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:30,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,414 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:30,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,415 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:30,415 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:30,415 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:30,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:30,459 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:30,482 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:30,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:30,483 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:30,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:30,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:30,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,486 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:30,486 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,486 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:30,486 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:30,486 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:30,487 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:30,489 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:30,497 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:30,497 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:30,497 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:30,498 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:30,498 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:30,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,499 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:30,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,499 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:30,499 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:30,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:30,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:30,501 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:30,513 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:30,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:30,513 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:30,513 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:30,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:30,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,528 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:30,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:30,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:30,529 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:30,529 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:30,542 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:30,554 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:30,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:30,556 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:30,556 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:30,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:30,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,569 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:30,571 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:30,571 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:30,572 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:30,572 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:30,578 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:34,618 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:34,638 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:34,638 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@7d20d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:34, skipping insertion in model container [2024-09-13 05:09:34,638 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:34,640 INFO L158 Benchmark]: Toolchain (without parser) took 5272.01ms. Allocated memory is still 69.2MB. Free memory was 36.0MB in the beginning and 36.8MB in the end (delta: -806.7kB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-09-13 05:09:34,640 INFO L158 Benchmark]: Witness Parser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:34,640 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 54.5MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:34,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.85ms. Allocated memory is still 69.2MB. Free memory was 35.7MB in the beginning and 47.2MB in the end (delta: -11.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:34,641 INFO L158 Benchmark]: Boogie Preprocessor took 48.66ms. Allocated memory is still 69.2MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:34,641 INFO L158 Benchmark]: RCFGBuilder took 572.08ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 29.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:34,641 INFO L158 Benchmark]: Referee took 4411.69ms. Allocated memory is still 69.2MB. Free memory was 29.7MB in the beginning and 36.8MB in the end (delta: -7.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:34,644 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 loop head at line 37. 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. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. 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 37 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.37ms. Allocated memory is still 54.5MB. Free memory is still 37.7MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 54.5MB. Free memory is still 35.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.85ms. Allocated memory is still 69.2MB. Free memory was 35.7MB in the beginning and 47.2MB in the end (delta: -11.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.66ms. Allocated memory is still 69.2MB. Free memory was 47.2MB in the beginning and 45.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 572.08ms. Allocated memory is still 69.2MB. Free memory was 45.1MB in the beginning and 29.7MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4411.69ms. Allocated memory is still 69.2MB. Free memory was 29.7MB in the beginning and 36.8MB in the end (delta: -7.1MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:34,673 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...