This is Ultimate 0.2.4-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:29:54,185 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:29:54,261 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 00:29:54,267 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:29:54,267 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:29:54,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:29:54,293 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:29:54,293 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:29:54,294 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:29:54,298 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:29:54,299 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:29:54,299 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:29:54,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:29:54,300 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:29:54,300 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:29:54,300 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:29:54,300 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:29:54,301 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:29:54,301 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 00:29:54,304 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:29:54,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:29:54,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:29:54,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:29:54,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:29:54,305 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:29:54,305 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:29:54,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:29:54,306 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:29:54,306 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:29:54,306 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:29:54,307 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:29:54,307 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:29:54,307 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:29:54,308 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:54,308 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:29:54,309 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:29:54,309 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:29:54,309 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 00:29:54,309 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 00:29:54,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:29:54,310 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:29:54,310 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:29:54,310 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:29:54,311 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:29:54,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:29:54,598 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:29:54,601 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:29:54,602 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:29:54,603 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:29:54,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-25 00:29:54,660 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:29:54,661 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:29:54,662 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-25 00:29:56,142 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:29:56,311 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:29:56,312 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-25 00:29:56,318 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/4dcda4303/6ab68d8c9d844b69998a792de2a45bc0/FLAGa3b2d9d18 [2024-09-25 00:29:56,336 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/4dcda4303/6ab68d8c9d844b69998a792de2a45bc0 [2024-09-25 00:29:56,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:29:56,338 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:29:56,340 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:56,340 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:29:56,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:29:56,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:54" (1/2) ... [2024-09-25 00:29:56,347 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d4c1a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:56, skipping insertion in model container [2024-09-25 00:29:56,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:54" (1/2) ... [2024-09-25 00:29:56,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51811c51 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:29:56, skipping insertion in model container [2024-09-25 00:29:56,351 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:56" (2/2) ... [2024-09-25 00:29:56,351 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d8d4c1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56, skipping insertion in model container [2024-09-25 00:29:56,351 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:29:56" (2/2) ... [2024-09-25 00:29:56,360 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:29:56,361 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 00:29:56,361 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:29:56,361 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:29:56,379 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:29:56,529 WARN L248 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_valuebound2.c[537,550] [2024-09-25 00:29:56,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:56,555 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:29:56,586 WARN L248 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_valuebound2.c[537,550] Start Parsing Local [2024-09-25 00:29:56,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:29:56,609 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:29:56,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56 WrapperNode [2024-09-25 00:29:56,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:29:56,611 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:29:56,611 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:29:56,611 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:29:56,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,628 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,639 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 [2024-09-25 00:29:56,639 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,640 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:29:56,653 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:29:56,653 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:29:56,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:29:56,654 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (1/1) ... [2024-09-25 00:29:56,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:29:56,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:29:56,681 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) [2024-09-25 00:29:56,682 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 [2024-09-25 00:29:56,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:29:56,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:29:56,720 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:29:56,720 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:29:56,720 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:29:56,720 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:29:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:29:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:29:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:29:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:29:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:29:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:29:56,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:29:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:29:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:29:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 00:29:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:29:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 00:29:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 00:29:56,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:29:56,777 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:29:56,779 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:29:57,001 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:29:57,018 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:29:57,046 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:29:57,046 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:29:57,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:57 BoogieIcfgContainer [2024-09-25 00:29:57,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:29:57,049 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:29:57,049 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:29:57,050 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:29:57,050 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:29:54" (1/4) ... [2024-09-25 00:29:57,050 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@590a2eae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:29:57, skipping insertion in model container [2024-09-25 00:29:57,050 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:29:56" (2/4) ... [2024-09-25 00:29:57,051 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@590a2eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:57, skipping insertion in model container [2024-09-25 00:29:57,051 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:29:56" (3/4) ... [2024-09-25 00:29:57,051 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@590a2eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:29:57, skipping insertion in model container [2024-09-25 00:29:57,051 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:29:57" (4/4) ... [2024-09-25 00:29:57,052 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-25 00:29:57,055 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:29:57,056 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:29:57,056 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:29:57,056 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:57,056 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:29:57,057 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:29:57,057 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:29:57,057 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:29:57,057 INFO L131 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 [2024-09-25 00:29:57,101 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:29:57,102 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,104 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,105 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,114 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:29:57,115 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,115 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,115 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,116 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,118 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,132 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:29:57,150 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:29:57,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,151 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,151 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,151 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,180 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:29:57,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,181 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,181 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,185 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:29:57,188 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:29:57,207 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:29:57,207 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:29:57,207 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:29:57,207 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:29:57,207 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:29:57,207 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,213 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:29:57,213 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:29:57,214 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:29:57,214 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:29:57,214 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:29:57,214 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:01,222 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:01,241 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:01,241 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:01,241 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:01,241 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:01,241 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:01,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:01,248 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:01,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:01,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:01,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:01,249 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:01,250 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:01,252 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:01,264 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:01,264 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:01,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:01,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:01,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:01,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:01,265 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:01,265 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:01,266 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:01,266 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:01,266 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:01,266 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:01,268 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:01,283 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:30:01,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:01,284 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:01,284 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:01,284 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:01,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:01,297 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:30:01,298 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:01,298 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:01,298 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:01,298 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:01,298 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:01,301 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:01,311 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:30:01,312 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:01,312 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:01,312 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:01,312 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:01,312 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:01,332 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:30:01,332 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:01,333 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:01,333 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:01,333 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:01,338 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:05,343 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:05,348 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:05,349 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@590a2eae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:05, skipping insertion in model container [2024-09-25 00:30:05,349 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:05,350 INFO L158 Benchmark]: Toolchain (without parser) took 9011.99ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 55.2MB in the end (delta: 77.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2024-09-25 00:30:05,351 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:05,351 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:05,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 269.99ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 119.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:05,352 INFO L158 Benchmark]: Boogie Preprocessor took 41.75ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:05,353 INFO L158 Benchmark]: RCFGBuilder took 393.70ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 100.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 00:30:05,353 INFO L158 Benchmark]: Referee took 8299.71ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 55.2MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2024-09-25 00:30:05,356 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 __VERIFIER_assert to exit of procedure __VERIFIER_assert. 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 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 0.16ms. Allocated memory is still 121.6MB. Free memory is still 82.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.16ms. Allocated memory is still 121.6MB. Free memory is still 96.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 269.99ms. Allocated memory is still 167.8MB. Free memory was 132.8MB in the beginning and 119.2MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.75ms. Allocated memory is still 167.8MB. Free memory was 119.2MB in the beginning and 117.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 393.70ms. Allocated memory is still 167.8MB. Free memory was 117.1MB in the beginning and 100.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8299.71ms. Allocated memory is still 167.8MB. Free memory was 100.3MB in the beginning and 55.2MB in the end (delta: 45.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:05,379 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-tmp.dk.referee-eval-6908dde-m [2024-09-25 00:30:07,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 00:30:07,525 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 00:30:07,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 00:30:07,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 00:30:07,558 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 00:30:07,559 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 00:30:07,559 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 00:30:07,560 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 00:30:07,561 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 00:30:07,562 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 00:30:07,562 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 00:30:07,563 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 00:30:07,566 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 00:30:07,566 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 00:30:07,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 00:30:07,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 00:30:07,567 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 00:30:07,567 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 00:30:07,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 00:30:07,568 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 00:30:07,568 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 00:30:07,569 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 00:30:07,569 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 00:30:07,569 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 00:30:07,569 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 00:30:07,570 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 00:30:07,570 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 00:30:07,570 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 00:30:07,570 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 00:30:07,571 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 00:30:07,571 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 00:30:07,572 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 00:30:07,572 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 00:30:07,573 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 00:30:07,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:07,587 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 00:30:07,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 00:30:07,588 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 00:30:07,588 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 00:30:07,589 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 00:30:07,589 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 00:30:07,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 00:30:07,589 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 00:30:07,590 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 00:30:07,590 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 00:30:07,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 00:30:07,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 00:30:07,916 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 00:30:07,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 00:30:07,921 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 00:30:07,921 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 00:30:07,923 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-25 00:30:09,444 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 00:30:09,621 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 00:30:09,622 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound2.c [2024-09-25 00:30:09,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/2194a8428/3683d6925238494596b8f9f630839f49/FLAG24a463d66 [2024-09-25 00:30:10,018 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/2194a8428/3683d6925238494596b8f9f630839f49 [2024-09-25 00:30:10,020 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 00:30:10,021 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 00:30:10,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound2.yml/witness-2.1.yml [2024-09-25 00:30:10,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 00:30:10,073 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 00:30:10,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:10,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 00:30:10,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 00:30:10,080 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:10" (1/2) ... [2024-09-25 00:30:10,081 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258b9663 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:10, skipping insertion in model container [2024-09-25 00:30:10,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:30:10" (1/2) ... [2024-09-25 00:30:10,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@49dc2c97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:30:10, skipping insertion in model container [2024-09-25 00:30:10,087 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:10" (2/2) ... [2024-09-25 00:30:10,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@258b9663 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:10, skipping insertion in model container [2024-09-25 00:30:10,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:10" (2/2) ... [2024-09-25 00:30:10,097 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 00:30:10,098 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (b <= 65535)) [2024-09-25 00:30:10,098 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-25 00:30:10,098 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-25 00:30:10,116 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 00:30:10,290 WARN L248 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_valuebound2.c[537,550] [2024-09-25 00:30:10,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:10,320 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 00:30:10,356 WARN L248 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_valuebound2.c[537,550] Start Parsing Local [2024-09-25 00:30:10,369 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 00:30:10,388 INFO L204 MainTranslator]: Completed translation [2024-09-25 00:30:10,389 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 12:30:10 WrapperNode [2024-09-25 00:30:10,390 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 00:30:10,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 00:30:10,391 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 00:30:10,391 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 00:30:10,403 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,404 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,412 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,423 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 [2024-09-25 00:30:10,423 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,423 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,432 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,440 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,442 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,442 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 00:30:10,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 00:30:10,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 00:30:10,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 00:30:10,450 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 25.09 12:30:10" (1/1) ... [2024-09-25 00:30:10,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 00:30:10,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 00:30:10,476 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) [2024-09-25 00:30:10,479 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 [2024-09-25 00:30:10,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 00:30:10,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 00:30:10,520 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 00:30:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 00:30:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 00:30:10,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 00:30:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 00:30:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 00:30:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 00:30:10,521 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 00:30:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-25 00:30:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 00:30:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 00:30:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 00:30:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 00:30:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 00:30:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 00:30:10,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 00:30:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 00:30:10,523 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 00:30:10,593 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 00:30:10,595 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 00:30:11,157 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 00:30:11,178 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 00:30:11,212 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 00:30:11,213 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 00:30:11,213 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:11 BoogieIcfgContainer [2024-09-25 00:30:11,213 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 00:30:11,214 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 00:30:11,214 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 00:30:11,215 INFO L274 PluginConnector]: Referee initialized [2024-09-25 00:30:11,215 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 12:30:10" (1/4) ... [2024-09-25 00:30:11,216 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@759a559a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 12:30:11, skipping insertion in model container [2024-09-25 00:30:11,217 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 12:30:10" (2/4) ... [2024-09-25 00:30:11,217 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@759a559a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:11, skipping insertion in model container [2024-09-25 00:30:11,217 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 25.09 12:30:10" (3/4) ... [2024-09-25 00:30:11,218 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@759a559a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 12:30:11, skipping insertion in model container [2024-09-25 00:30:11,218 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:30:11" (4/4) ... [2024-09-25 00:30:11,219 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound2.c [2024-09-25 00:30:11,222 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 00:30:11,223 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 00:30:11,223 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-25 00:30:11,223 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:11,223 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 00:30:11,223 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 00:30:11,224 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 00:30:11,224 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 00:30:11,224 INFO L131 InvariantChecker]: Will check 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, 1 loop-free subgraphs from loop head to loop head [2024-09-25 00:30:11,274 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 00:30:11,275 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:11,275 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:11,276 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:11,277 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:11,279 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,288 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 00:30:11,289 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,289 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:11,290 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:11,290 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:11,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:11,323 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:11,353 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-25 00:30:11,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:11,353 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:11,353 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:11,353 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:11,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,377 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-25 00:30:11,378 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,378 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:11,378 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:11,378 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:11,378 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:11,381 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 00:30:11,403 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:11,403 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:11,403 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:11,404 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:11,404 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:11,404 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,410 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:11,411 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:11,411 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:11,411 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:11,411 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:11,411 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,453 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:15,485 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 00:30:15,485 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,485 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,485 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,485 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,485 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,488 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 00:30:15,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,489 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,489 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,490 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,495 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 00:30:15,512 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 00:30:15,515 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,515 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,515 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,515 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,515 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,517 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 00:30:15,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,517 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,517 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,517 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,518 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,520 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 00:30:15,528 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 00:30:15,529 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,529 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,529 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,529 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,540 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 00:30:15,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,542 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,542 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,542 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,542 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:15,566 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 00:30:15,581 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-25 00:30:15,582 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 00:30:15,582 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 00:30:15,583 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 00:30:15,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 00:30:15,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,601 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-25 00:30:15,601 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 00:30:15,602 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 00:30:15,602 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 00:30:15,602 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 00:30:15,614 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 00:30:19,705 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 00:30:19,740 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 00:30:19,740 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@759a559a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 12:30:19, skipping insertion in model container [2024-09-25 00:30:19,740 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 00:30:19,742 INFO L158 Benchmark]: Toolchain (without parser) took 9668.25ms. Allocated memory is still 86.0MB. Free memory was 51.7MB in the beginning and 61.5MB in the end (delta: -9.8MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,742 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 31.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:19,743 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 86.0MB. Free memory was 53.7MB in the beginning and 53.5MB in the end (delta: 193.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 00:30:19,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.25ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 59.4MB in the end (delta: -7.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,744 INFO L158 Benchmark]: Boogie Preprocessor took 57.13ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 57.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,744 INFO L158 Benchmark]: RCFGBuilder took 765.18ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 41.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,744 INFO L158 Benchmark]: Referee took 8526.57ms. Allocated memory is still 86.0MB. Free memory was 41.3MB in the beginning and 61.5MB in the end (delta: -20.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2024-09-25 00:30:19,746 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. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from 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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 56.6MB. Free memory was 31.7MB in the beginning and 31.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 86.0MB. Free memory was 53.7MB in the beginning and 53.5MB in the end (delta: 193.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.25ms. Allocated memory is still 86.0MB. Free memory was 51.5MB in the beginning and 59.4MB in the end (delta: -7.9MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.13ms. Allocated memory is still 86.0MB. Free memory was 59.4MB in the beginning and 57.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 765.18ms. Allocated memory is still 86.0MB. Free memory was 57.1MB in the beginning and 41.3MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8526.57ms. Allocated memory is still 86.0MB. Free memory was 41.3MB in the beginning and 61.5MB in the end (delta: -20.2MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 00:30:19,785 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...