This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:35,593 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:35,686 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:35,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:35,691 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:35,718 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:35,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:35,719 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:35,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:35,720 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:35,720 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:35,721 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:35,721 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:35,722 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:35,722 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:35,722 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:35,723 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:35,726 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:35,726 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:35,726 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:35,727 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:35,730 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:35,730 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:35,730 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:35,731 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:35,731 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:35,731 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:35,731 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:35,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:35,732 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:35,732 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:35,732 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:35,733 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:35,733 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:35,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:35,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:35,736 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:35,737 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:35,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:35,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:35,738 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:35,738 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:35,738 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:35,738 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:35,961 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:35,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:35,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:36,000 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:36,001 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:36,002 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-13 10:08:37,563 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:37,745 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:37,746 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-13 10:08:37,753 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/ae88ff0da/6faa4bd4762441cba1e9789aef8fd103/FLAG7fc04f3fb [2024-09-13 10:08:37,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/ae88ff0da/6faa4bd4762441cba1e9789aef8fd103 [2024-09-13 10:08:37,770 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:37,772 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:37,772 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-13 10:08:37,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:37,830 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:37,833 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:37,833 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:37,838 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:37,838 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:37" (1/2) ... [2024-09-13 10:08:37,839 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0bede7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:37, skipping insertion in model container [2024-09-13 10:08:37,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:37" (1/2) ... [2024-09-13 10:08:37,840 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6c805de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:37, skipping insertion in model container [2024-09-13 10:08:37,841 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:37" (2/2) ... [2024-09-13 10:08:37,841 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0bede7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:37, skipping insertion in model container [2024-09-13 10:08:37,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:37" (2/2) ... [2024-09-13 10:08:37,851 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:37,854 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-13 10:08:37,855 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:08:37,872 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:38,028 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/lcm2.c[537,550] [2024-09-13 10:08:38,046 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:38,057 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:38,100 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/lcm2.c[537,550] Start Parsing Local [2024-09-13 10:08:38,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:38,131 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:38,132 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:38 WrapperNode [2024-09-13 10:08:38,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:38,133 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:38,133 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:38,133 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:38,147 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,147 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,158 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,168 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:08:38,168 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,169 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,175 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,179 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,182 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,183 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:38,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:38,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:38,191 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:38,194 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 10:08:38" (1/1) ... [2024-09-13 10:08:38,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:38,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:38,222 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:08:38,223 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:08:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:38,267 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:08:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:38,268 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:38,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:08:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:08:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:38,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:38,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:38,323 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:38,325 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:38,533 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:38,550 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:38,580 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:38,580 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:38,580 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:38 BoogieIcfgContainer [2024-09-13 10:08:38,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:38,582 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:38,582 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:38,583 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:38,583 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:37" (1/4) ... [2024-09-13 10:08:38,584 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70868240 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:38, skipping insertion in model container [2024-09-13 10:08:38,584 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:37" (2/4) ... [2024-09-13 10:08:38,584 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70868240 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:38, skipping insertion in model container [2024-09-13 10:08:38,584 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 10:08:38" (3/4) ... [2024-09-13 10:08:38,584 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70868240 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:38, skipping insertion in model container [2024-09-13 10:08:38,585 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 10:08:38" (4/4) ... [2024-09-13 10:08:38,586 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-13 10:08:38,589 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:38,589 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:08:38,590 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:08:38,590 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:08:38,590 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:38,590 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:38,591 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:38,591 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:08:38,702 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:08:38,703 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:38,705 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:38,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:38,710 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:38,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:38,748 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:08:38,750 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:38,750 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:38,750 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:38,751 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:38,766 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:38,786 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:38,819 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:08:38,820 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:38,820 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:38,820 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:38,820 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:38,821 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:38,863 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:08:38,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:38,863 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:38,864 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:38,864 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:38,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:42,881 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:08:42,899 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:08:42,899 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:42,899 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:42,900 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:42,900 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:42,900 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,904 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:08:42,904 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,904 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:42,904 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:42,905 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:42,905 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:42,909 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:42,920 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:42,920 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:42,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:42,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:42,921 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:42,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,925 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:42,925 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,925 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:42,925 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:42,926 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:42,926 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:46,932 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:08:46,949 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:46,949 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:46,950 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:46,950 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:46,950 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:46,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:46,953 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:46,953 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:46,954 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:46,954 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:46,954 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:46,956 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:46,960 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:46,969 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:46,970 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:46,970 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:46,970 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:46,970 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:46,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:46,971 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:46,972 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:46,972 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:46,972 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:46,972 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:46,972 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:46,974 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:46,977 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:08:46,978 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@70868240 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:46, skipping insertion in model container [2024-09-13 10:08:46,978 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:46,979 INFO L158 Benchmark]: Toolchain (without parser) took 9148.65ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 106.6MB in the end (delta: 6.3MB). Peak memory consumption was 34.3MB. Max. memory is 16.1GB. [2024-09-13 10:08:46,979 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 172.0MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:46,980 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:46,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.47ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 99.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:46,981 INFO L158 Benchmark]: Boogie Preprocessor took 56.04ms. Allocated memory is still 172.0MB. Free memory was 99.5MB in the beginning and 97.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:46,982 INFO L158 Benchmark]: RCFGBuilder took 391.12ms. Allocated memory is still 172.0MB. Free memory was 97.3MB in the beginning and 83.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:46,982 INFO L158 Benchmark]: Referee took 8395.55ms. Allocated memory is still 172.0MB. Free memory was 83.1MB in the beginning and 106.6MB in the end (delta: -23.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. [2024-09-13 10:08:46,984 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 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. 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 35. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 172.0MB. Free memory is still 132.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 172.0MB. Free memory is still 115.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.47ms. Allocated memory is still 172.0MB. Free memory was 112.9MB in the beginning and 99.5MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.04ms. Allocated memory is still 172.0MB. Free memory was 99.5MB in the beginning and 97.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.12ms. Allocated memory is still 172.0MB. Free memory was 97.3MB in the beginning and 83.1MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8395.55ms. Allocated memory is still 172.0MB. Free memory was 83.1MB in the beginning and 106.6MB in the end (delta: -23.5MB). Peak memory consumption was 5.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:47,019 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:49,382 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:49,462 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:08:49,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:49,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:49,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:49,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:49,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:49,503 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:49,503 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:49,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:49,504 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:49,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:49,508 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:49,508 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:49,509 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:49,509 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:49,509 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:49,509 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:49,509 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:49,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:49,511 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:49,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:49,512 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:08:49,512 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:08:49,512 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:49,512 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:08:49,512 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:49,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:49,513 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:49,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:49,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:49,515 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:49,515 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:49,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:49,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:49,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:49,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:49,516 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:49,517 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:08:49,517 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:08:49,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:49,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:49,517 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:49,518 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:49,518 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:08:49,518 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:49,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:49,860 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:49,863 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:49,864 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:49,865 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:49,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-13 10:08:51,276 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:51,515 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:51,516 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-13 10:08:51,529 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/5f6c2f856/00fcff59888c4bdc8c02e758b7a3f0a5/FLAG66bb1a12b [2024-09-13 10:08:51,541 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/5f6c2f856/00fcff59888c4bdc8c02e758b7a3f0a5 [2024-09-13 10:08:51,543 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:51,545 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:51,546 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-13 10:08:51,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:51,601 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:51,603 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:51,604 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:51,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:51,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:51" (1/2) ... [2024-09-13 10:08:51,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d303412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:51, skipping insertion in model container [2024-09-13 10:08:51,613 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:51" (1/2) ... [2024-09-13 10:08:51,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@57d57b4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:51, skipping insertion in model container [2024-09-13 10:08:51,614 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:51" (2/2) ... [2024-09-13 10:08:51,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d303412 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:51, skipping insertion in model container [2024-09-13 10:08:51,615 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:51" (2/2) ... [2024-09-13 10:08:51,624 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:51,624 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-13 10:08:51,625 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:08:51,644 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:51,814 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/lcm2.c[537,550] [2024-09-13 10:08:51,838 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:51,852 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:51,891 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/lcm2.c[537,550] Start Parsing Local [2024-09-13 10:08:51,909 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:51,927 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:51,928 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:51 WrapperNode [2024-09-13 10:08:51,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:51,929 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:51,929 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:51,929 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:51,942 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 10:08:51" (1/1) ... [2024-09-13 10:08:51,942 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 10:08:51" (1/1) ... [2024-09-13 10:08:51,951 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 10:08:51" (1/1) ... [2024-09-13 10:08:51,966 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:08:51,968 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 10:08:51" (1/1) ... [2024-09-13 10:08:51,969 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 10:08:51" (1/1) ... [2024-09-13 10:08:51,979 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 10:08:51" (1/1) ... [2024-09-13 10:08:51,982 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 10:08:51" (1/1) ... [2024-09-13 10:08:51,986 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 10:08:51" (1/1) ... [2024-09-13 10:08:51,991 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 10:08:51" (1/1) ... [2024-09-13 10:08:51,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:51,996 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:52,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:52,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:52,015 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 10:08:51" (1/1) ... [2024-09-13 10:08:52,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:52,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:52,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:08:52,115 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:08:52,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:08:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:52,163 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:52,163 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:08:52,164 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:08:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:08:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:08:52,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:08:52,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:52,244 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:52,247 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:52,620 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:52,643 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:52,686 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:52,686 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:52,687 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:52 BoogieIcfgContainer [2024-09-13 10:08:52,687 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:52,688 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:52,688 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:52,689 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:52,689 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:51" (1/4) ... [2024-09-13 10:08:52,689 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c353ffe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:52, skipping insertion in model container [2024-09-13 10:08:52,689 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:51" (2/4) ... [2024-09-13 10:08:52,690 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c353ffe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:52, skipping insertion in model container [2024-09-13 10:08:52,690 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 10:08:51" (3/4) ... [2024-09-13 10:08:52,690 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c353ffe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:52, skipping insertion in model container [2024-09-13 10:08:52,690 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 10:08:52" (4/4) ... [2024-09-13 10:08:52,692 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-13 10:08:52,696 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:52,696 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:08:52,697 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:08:52,697 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:08:52,697 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:52,697 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:52,698 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:52,698 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:08:52,755 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:08:52,757 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:52,758 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:52,758 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:52,759 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:52,761 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:52,799 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:08:52,801 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:52,801 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:52,801 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:52,802 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:52,806 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:52,823 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:52,853 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:08:52,854 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:52,854 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:52,854 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:52,854 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:52,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:52,909 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:08:52,913 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:52,913 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:52,914 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:52,914 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:52,922 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:56,967 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:08:56,996 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:08:56,996 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:56,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:56,997 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:56,997 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:56,997 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,001 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:08:57,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,002 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,002 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,002 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,018 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:57,033 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:57,033 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,033 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,033 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,033 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,039 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:57,039 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,039 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,040 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,040 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,101 INFO L514 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:57,119 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:57,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,119 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,119 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,123 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:57,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,124 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,127 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:57,139 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:57,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:57,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:57,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:57,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:57,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,141 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:57,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:57,142 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:57,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:57,142 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:57,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:57,153 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:57,158 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:08:57,158 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@3c353ffe and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:57, skipping insertion in model container [2024-09-13 10:08:57,158 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:57,160 INFO L158 Benchmark]: Toolchain (without parser) took 5557.82ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 45.9MB in the beginning and 63.6MB in the end (delta: -17.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,160 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 50.3MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:57,161 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:57,161 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.85ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 31.7MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,162 INFO L158 Benchmark]: Boogie Preprocessor took 66.87ms. Allocated memory is still 69.2MB. Free memory was 31.7MB in the beginning and 29.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,162 INFO L158 Benchmark]: RCFGBuilder took 690.68ms. Allocated memory is still 69.2MB. Free memory was 29.6MB in the beginning and 34.4MB in the end (delta: -4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,163 INFO L158 Benchmark]: Referee took 4470.67ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 34.1MB in the beginning and 63.6MB in the end (delta: -29.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. [2024-09-13 10:08:57,166 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 35 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 50.3MB. Free memory is still 32.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 69.2MB. Free memory is still 47.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.85ms. Allocated memory is still 69.2MB. Free memory was 45.9MB in the beginning and 31.7MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.87ms. Allocated memory is still 69.2MB. Free memory was 31.7MB in the beginning and 29.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 690.68ms. Allocated memory is still 69.2MB. Free memory was 29.6MB in the beginning and 34.4MB in the end (delta: -4.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 4470.67ms. Allocated memory was 69.2MB in the beginning and 86.0MB in the end (delta: 16.8MB). Free memory was 34.1MB in the beginning and 63.6MB in the end (delta: -29.5MB). Peak memory consumption was 16.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:57,200 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...