This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:09:04,266 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:04,338 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:09:04,343 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:04,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:04,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:04,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:04,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:04,387 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:04,388 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:04,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:04,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:04,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:04,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:04,391 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:04,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:04,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:04,392 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:04,396 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:09:04,396 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:04,397 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:04,397 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:04,397 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:04,397 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:04,398 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:04,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:04,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:04,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:04,398 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:04,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:04,399 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:04,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:04,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:04,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:04,400 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:04,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:04,402 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:04,402 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:09:04,402 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:09:04,403 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:04,403 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:04,403 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:04,403 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:04,403 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:04,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:04,665 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:04,668 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:04,669 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:04,670 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:04,670 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-13 05:09:04,740 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:04,741 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:04,743 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-13 05:09:06,172 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:06,342 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:06,343 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-13 05:09:06,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/e53e81de8/5e013baea4304ae59c77d3dac6416647/FLAG5523fb7af [2024-09-13 05:09:06,737 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/e53e81de8/5e013baea4304ae59c77d3dac6416647 [2024-09-13 05:09:06,738 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:06,739 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:06,740 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:06,740 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:06,745 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:06,746 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 05:09:04" (1/2) ... [2024-09-13 05:09:06,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5baec205 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:06, skipping insertion in model container [2024-09-13 05:09:06,749 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 05:09:04" (1/2) ... [2024-09-13 05:09:06,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@30e95f07 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:06, skipping insertion in model container [2024-09-13 05:09:06,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:06" (2/2) ... [2024-09-13 05:09:06,750 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5baec205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:06, skipping insertion in model container [2024-09-13 05:09:06,751 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:06" (2/2) ... [2024-09-13 05:09:06,757 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:06,759 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 05:09:06,759 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:06,759 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:06,777 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:06,907 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_valuebound20.c[537,550] [2024-09-13 05:09:06,923 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:06,932 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:06,974 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_valuebound20.c[537,550] Start Parsing Local [2024-09-13 05:09:06,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:07,003 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:07,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07 WrapperNode [2024-09-13 05:09:07,004 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:07,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:07,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:07,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:07,015 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,015 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,020 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,027 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 05:09:07,028 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,034 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,038 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,040 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:07,041 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:07,041 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:07,041 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:07,042 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (1/1) ... [2024-09-13 05:09:07,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:07,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:07,064 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 05:09:07,065 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 05:09:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:07,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:09:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:09:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:09:07,103 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:07,153 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:07,155 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:07,361 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:07,377 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:07,411 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:07,411 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:07,411 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:07 BoogieIcfgContainer [2024-09-13 05:09:07,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:07,412 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:07,412 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:07,413 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:07,413 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 05:09:04" (1/4) ... [2024-09-13 05:09:07,413 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22d1cce2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:07, skipping insertion in model container [2024-09-13 05:09:07,413 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:06" (2/4) ... [2024-09-13 05:09:07,414 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22d1cce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:07, skipping insertion in model container [2024-09-13 05:09:07,414 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:07" (3/4) ... [2024-09-13 05:09:07,414 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22d1cce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:07, skipping insertion in model container [2024-09-13 05:09:07,414 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:07" (4/4) ... [2024-09-13 05:09:07,415 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-13 05:09:07,417 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:07,418 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 05:09:07,418 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 05:09:07,418 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 05:09:07,418 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 05:09:07,418 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 05:09:07,419 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 05:09:07,419 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 05:09:07,419 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 05:09:07,473 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:07,474 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,474 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,475 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,476 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,484 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:07,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,485 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,485 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,485 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,488 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,506 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:07,534 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:07,534 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 05:09:07,535 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,535 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,535 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,566 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:07,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,567 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,567 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,567 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,576 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,579 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:07,604 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:07,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,605 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,615 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:07,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,616 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,616 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,616 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:11,620 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:11,634 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:11,635 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:11,635 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:11,635 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:11,635 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:11,636 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:11,638 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:11,638 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:11,638 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:11,639 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:11,639 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:11,640 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:11,649 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:11,665 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:11,665 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:11,666 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:11,666 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:11,666 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:11,666 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:11,668 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:11,668 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:11,669 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:11,669 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:11,669 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:11,670 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:11,672 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:11,690 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:11,690 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:11,690 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:11,690 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:11,690 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:11,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:11,703 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:11,703 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:11,703 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:11,703 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:11,703 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:11,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:11,706 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:11,717 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:11,717 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:11,717 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:11,718 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:11,718 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:11,718 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:11,742 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:11,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:11,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:11,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:11,742 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:11,750 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:15,755 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:15,761 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:15,762 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@22d1cce2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:15, skipping insertion in model container [2024-09-13 05:09:15,762 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:15,763 INFO L158 Benchmark]: Toolchain (without parser) took 9023.72ms. Allocated memory is still 174.1MB. Free memory was 103.3MB in the beginning and 95.5MB in the end (delta: 7.9MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2024-09-13 05:09:15,764 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:15,764 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 174.1MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:15,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 264.28ms. Allocated memory is still 174.1MB. Free memory was 103.3MB in the beginning and 89.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:15,766 INFO L158 Benchmark]: Boogie Preprocessor took 35.39ms. Allocated memory is still 174.1MB. Free memory was 89.4MB in the beginning and 87.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:15,766 INFO L158 Benchmark]: RCFGBuilder took 370.58ms. Allocated memory is still 174.1MB. Free memory was 87.3MB in the beginning and 140.2MB in the end (delta: -52.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-09-13 05:09:15,767 INFO L158 Benchmark]: Referee took 8349.84ms. Allocated memory is still 174.1MB. Free memory was 140.2MB in the beginning and 95.5MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-13 05:09:15,772 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 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 check that a call to reach_error is unreachable at line 13. 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.23ms. Allocated memory is still 174.1MB. Free memory is still 149.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 264.28ms. Allocated memory is still 174.1MB. Free memory was 103.3MB in the beginning and 89.4MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.39ms. Allocated memory is still 174.1MB. Free memory was 89.4MB in the beginning and 87.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 370.58ms. Allocated memory is still 174.1MB. Free memory was 87.3MB in the beginning and 140.2MB in the end (delta: -52.9MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Referee took 8349.84ms. Allocated memory is still 174.1MB. Free memory was 140.2MB in the beginning and 95.5MB in the end (delta: 44.7MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:15,795 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 05:09:17,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:09:17,958 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:09:17,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:09:17,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:09:18,001 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:09:18,001 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:09:18,002 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:09:18,002 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:09:18,003 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:09:18,003 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:09:18,003 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:09:18,004 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:09:18,007 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:09:18,007 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:09:18,008 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:09:18,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:09:18,010 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:09:18,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:09:18,011 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:09:18,011 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:09:18,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:09:18,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:09:18,015 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:09:18,015 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:09:18,015 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:09:18,016 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:09:18,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:09:18,016 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:09:18,016 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:09:18,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:09:18,017 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:09:18,017 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:09:18,017 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:09:18,017 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:09:18,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:18,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:09:18,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:09:18,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:09:18,019 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:09:18,020 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:09:18,020 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:09:18,021 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:09:18,021 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:09:18,021 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:09:18,022 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:09:18,022 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:09:18,333 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:09:18,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:09:18,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:09:18,357 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:09:18,357 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:09:18,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-13 05:09:19,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:09:20,041 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:09:20,042 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound20.c [2024-09-13 05:09:20,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6665a10dc/330f30619543415d9f85330436828ed0/FLAG9db66b729 [2024-09-13 05:09:20,448 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6665a10dc/330f30619543415d9f85330436828ed0 [2024-09-13 05:09:20,451 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:09:20,451 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:09:20,453 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound20.yml/witness-2.1.yml [2024-09-13 05:09:20,505 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:09:20,506 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:09:20,508 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:20,508 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:09:20,512 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:09:20,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:20" (1/2) ... [2024-09-13 05:09:20,516 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338ea1d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:20, skipping insertion in model container [2024-09-13 05:09:20,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:09:20" (1/2) ... [2024-09-13 05:09:20,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4ed1035 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:09:20, skipping insertion in model container [2024-09-13 05:09:20,520 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 05:09:20" (2/2) ... [2024-09-13 05:09:20,520 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338ea1d0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:20, skipping insertion in model container [2024-09-13 05:09:20,520 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 05:09:20" (2/2) ... [2024-09-13 05:09:20,529 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:09:20,529 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 05:09:20,529 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:09:20,529 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:09:20,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:09:20,707 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_valuebound20.c[537,550] [2024-09-13 05:09:20,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:20,742 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:09:20,779 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_valuebound20.c[537,550] Start Parsing Local [2024-09-13 05:09:20,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:09:20,819 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:09:20,820 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:09:20 WrapperNode [2024-09-13 05:09:20,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:09:20,821 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:09:20,821 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:09:20,821 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:09:20,833 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,834 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,840 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,855 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 05:09:20,855 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,855 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,862 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,869 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,871 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,873 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,878 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:20,880 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:20,880 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:20,880 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:20,881 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 05:09:20" (1/1) ... [2024-09-13 05:09:20,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:20,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:20,924 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 05:09:20,927 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 05:09:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:20,972 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:20,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:20,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:20,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:20,974 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:09:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:09:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:09:20,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:21,062 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:21,064 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:21,413 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:21,435 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:21,471 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:21,471 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:21,471 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:21 BoogieIcfgContainer [2024-09-13 05:09:21,471 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:21,472 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:21,475 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:21,476 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:21,476 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:09:20" (1/4) ... [2024-09-13 05:09:21,476 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@512d23af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:21, skipping insertion in model container [2024-09-13 05:09:21,476 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 05:09:20" (2/4) ... [2024-09-13 05:09:21,477 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@512d23af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:21, skipping insertion in model container [2024-09-13 05:09:21,477 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 05:09:20" (3/4) ... [2024-09-13 05:09:21,477 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@512d23af and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:21, skipping insertion in model container [2024-09-13 05:09:21,477 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 05:09:21" (4/4) ... [2024-09-13 05:09:21,478 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound20.c [2024-09-13 05:09:21,484 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:21,491 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 05:09:21,491 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 05:09:21,491 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 05:09:21,492 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 05:09:21,492 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 05:09:21,492 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 05:09:21,492 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 05:09:21,492 INFO L130 InvariantChecker]: Will check 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, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:09:21,545 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:21,546 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,547 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,547 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,548 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 05:09:21,560 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 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 05:09:21,561 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,561 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,566 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,579 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:21,604 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:09:21,604 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,604 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,605 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,605 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,605 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,630 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:09:21,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,631 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,631 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,631 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,632 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,633 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:21,650 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:21,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,650 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,650 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,651 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,651 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,655 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:21,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,655 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,655 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,655 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,655 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,703 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:21,732 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:21,732 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,732 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,732 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,738 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:21,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,739 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,739 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,739 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,740 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,746 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:21,762 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:21,762 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,763 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,763 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,763 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,765 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:21,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,766 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,767 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:21,781 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 05:09:21,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,782 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,782 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,795 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 05:09:21,795 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,796 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,796 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,796 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,796 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:21,833 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:21,848 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 05:09:21,848 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:21,848 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:21,848 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:21,848 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:21,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,866 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 05:09:21,866 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:21,866 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:21,867 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:21,867 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:21,872 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:25,915 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:25,930 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:25,930 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@512d23af 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 05:09:25,930 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:25,932 INFO L158 Benchmark]: Toolchain (without parser) took 5424.88ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 31.4MB in the beginning and 29.3MB in the end (delta: 2.0MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,932 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 48.2MB. Free memory was 29.5MB in the beginning and 29.4MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:25,933 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:25,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.36ms. Allocated memory is still 58.7MB. Free memory was 31.2MB in the beginning and 30.9MB in the end (delta: 340.5kB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,934 INFO L158 Benchmark]: Boogie Preprocessor took 58.59ms. Allocated memory is still 58.7MB. Free memory was 30.9MB in the beginning and 28.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,934 INFO L158 Benchmark]: RCFGBuilder took 591.60ms. Allocated memory is still 58.7MB. Free memory was 28.5MB in the beginning and 27.9MB in the end (delta: 669.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,935 INFO L158 Benchmark]: Referee took 4458.56ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.9MB in the beginning and 29.3MB in the end (delta: -1.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2024-09-13 05:09:25,945 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 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 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 38. 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 0.29ms. Allocated memory is still 48.2MB. Free memory was 29.5MB in the beginning and 29.4MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.16ms. Allocated memory is still 58.7MB. Free memory is still 33.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.36ms. Allocated memory is still 58.7MB. Free memory was 31.2MB in the beginning and 30.9MB in the end (delta: 340.5kB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.59ms. Allocated memory is still 58.7MB. Free memory was 30.9MB in the beginning and 28.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 591.60ms. Allocated memory is still 58.7MB. Free memory was 28.5MB in the beginning and 27.9MB in the end (delta: 669.4kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 4458.56ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 27.9MB in the beginning and 29.3MB in the end (delta: -1.5MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:25,978 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...