This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:05,823 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:05,888 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 12:50:05,892 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:05,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:05,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:05,919 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:05,919 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:05,920 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:05,923 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:05,924 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:05,924 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:05,924 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:05,925 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:05,925 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:05,926 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:05,926 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:05,927 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:05,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 12:50:05,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:05,927 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:05,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:05,929 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:05,929 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:05,929 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:05,930 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:05,930 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:05,930 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:05,930 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:05,930 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:05,931 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:05,931 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:05,931 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:05,931 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:05,932 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:05,932 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:05,932 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:05,933 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 12:50:05,933 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 12:50:05,933 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:05,933 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:05,933 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:05,934 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:05,934 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:06,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:06,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:06,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:06,222 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:06,223 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:06,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-21 12:50:07,603 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:07,776 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:07,778 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-21 12:50:07,787 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a2d7b33dd/d04e288333c14cc2a30b96157bd63c21/FLAGc78bd782c [2024-09-21 12:50:07,802 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a2d7b33dd/d04e288333c14cc2a30b96157bd63c21 [2024-09-21 12:50:07,805 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:07,806 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:07,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-21 12:50:07,860 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:07,861 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:07,863 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:07,864 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:07,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:07,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:07" (1/2) ... [2024-09-21 12:50:07,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29775412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,871 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:07" (1/2) ... [2024-09-21 12:50:07,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@612dffeb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,873 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:07" (2/2) ... [2024-09-21 12:50:07,873 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29775412 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:07, skipping insertion in model container [2024-09-21 12:50:07,873 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:07" (2/2) ... [2024-09-21 12:50:07,882 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:07,884 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)) [2024-09-21 12:50:07,884 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:07,884 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:07,902 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:08,042 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_valuebound5.c[537,550] [2024-09-21 12:50:08,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:08,066 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:08,111 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_valuebound5.c[537,550] Start Parsing Local [2024-09-21 12:50:08,129 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:08,143 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:08,143 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:08 WrapperNode [2024-09-21 12:50:08,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:08,144 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:08,144 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:08,144 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:08,155 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,156 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,160 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,170 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 [2024-09-21 12:50:08,174 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,174 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,179 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,182 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,183 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,184 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:08,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:08,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:08,187 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:08,187 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 21.09 12:50:08" (1/1) ... [2024-09-21 12:50:08,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:08,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:08,218 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) [2024-09-21 12:50:08,221 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 [2024-09-21 12:50:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:08,268 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:08,269 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:08,269 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:08,271 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 12:50:08,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 12:50:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 12:50:08,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:08,342 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:08,348 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:08,630 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:08,650 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:08,680 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:08,680 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:08,680 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:08 BoogieIcfgContainer [2024-09-21 12:50:08,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:08,681 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:08,681 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:08,682 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:08,683 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:07" (1/4) ... [2024-09-21 12:50:08,684 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69dbe06b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,684 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:07" (2/4) ... [2024-09-21 12:50:08,684 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69dbe06b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,685 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 21.09 12:50:08" (3/4) ... [2024-09-21 12:50:08,685 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69dbe06b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:08, skipping insertion in model container [2024-09-21 12:50:08,685 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:08" (4/4) ... [2024-09-21 12:50:08,686 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-21 12:50:08,691 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:08,692 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:08,692 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:08,692 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:08,692 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:08,693 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:08,693 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:08,693 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:08,694 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-21 12:50:08,795 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:08,796 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:08,797 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:08,798 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:08,798 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:08,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,811 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:08,812 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,812 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:08,812 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:08,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:08,816 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:08,835 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:08,866 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:08,866 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:08,866 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:08,866 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:08,867 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:08,867 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,889 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:08,890 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,890 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:08,890 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:08,891 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:08,895 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:08,899 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:08,920 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:08,920 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:08,921 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:08,921 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:08,921 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:08,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,927 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:08,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:08,928 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:08,928 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:08,928 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:08,928 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:12,937 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:12,953 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:12,954 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:12,954 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:12,954 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:12,954 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:12,954 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,957 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:12,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:12,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:12,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:12,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:12,969 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:12,982 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:12,982 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:12,983 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:12,983 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:12,983 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:12,983 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,985 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:12,985 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:12,985 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:12,986 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:12,986 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:12,986 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:12,988 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:13,007 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:13,007 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,008 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,008 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,008 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,008 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,022 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:13,023 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,023 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,023 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,023 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,024 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:13,026 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:13,039 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:13,039 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:13,040 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:13,040 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:13,040 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:13,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,066 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:13,066 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:13,066 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:13,067 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:13,067 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:13,075 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:17,081 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:17,088 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:17,088 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@69dbe06b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:17, skipping insertion in model container [2024-09-21 12:50:17,088 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:17,090 INFO L158 Benchmark]: Toolchain (without parser) took 9228.21ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 98.5MB in the beginning and 134.9MB in the end (delta: -36.4MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,091 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:17,091 INFO L158 Benchmark]: Witness Parser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:17,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.16ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 84.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,092 INFO L158 Benchmark]: Boogie Preprocessor took 41.81ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,092 INFO L158 Benchmark]: RCFGBuilder took 494.07ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 65.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,093 INFO L158 Benchmark]: Referee took 8407.48ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 65.6MB in the beginning and 134.9MB in the end (delta: -69.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:17,098 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 loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 155.2MB. Free memory is still 113.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.22ms. Allocated memory is still 155.2MB. Free memory is still 100.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.16ms. Allocated memory is still 155.2MB. Free memory was 98.5MB in the beginning and 84.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.81ms. Allocated memory is still 155.2MB. Free memory was 84.9MB in the beginning and 82.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 494.07ms. Allocated memory is still 155.2MB. Free memory was 82.4MB in the beginning and 65.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8407.48ms. Allocated memory was 155.2MB in the beginning and 205.5MB in the end (delta: 50.3MB). Free memory was 65.6MB in the beginning and 134.9MB in the end (delta: -69.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:17,122 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 12:50:19,243 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 12:50:19,329 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-21 12:50:19,339 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 12:50:19,339 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 12:50:19,370 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 12:50:19,370 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 12:50:19,371 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 12:50:19,372 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 12:50:19,373 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 12:50:19,373 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 12:50:19,373 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 12:50:19,374 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 12:50:19,374 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 12:50:19,375 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 12:50:19,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 12:50:19,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 12:50:19,375 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 12:50:19,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 12:50:19,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 12:50:19,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 12:50:19,382 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 12:50:19,382 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 12:50:19,383 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-21 12:50:19,383 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-21 12:50:19,383 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 12:50:19,383 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-21 12:50:19,383 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 12:50:19,384 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 12:50:19,384 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 12:50:19,384 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 12:50:19,384 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 12:50:19,385 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 12:50:19,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 12:50:19,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 12:50:19,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:19,387 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 12:50:19,387 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 12:50:19,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 12:50:19,388 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-21 12:50:19,388 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-21 12:50:19,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 12:50:19,389 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 12:50:19,389 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 12:50:19,389 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 12:50:19,389 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-21 12:50:19,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 12:50:19,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 12:50:19,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 12:50:19,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 12:50:19,746 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 12:50:19,747 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 12:50:19,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-21 12:50:21,213 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 12:50:21,419 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 12:50:21,420 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound5.c [2024-09-21 12:50:21,427 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/90180d1f8/5e6cfb1435f9482f859b84e1a6e894c3/FLAG6fe7498d4 [2024-09-21 12:50:21,440 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/90180d1f8/5e6cfb1435f9482f859b84e1a6e894c3 [2024-09-21 12:50:21,442 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 12:50:21,444 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 12:50:21,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound5.yml/witness-2.1.yml [2024-09-21 12:50:21,495 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 12:50:21,496 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 12:50:21,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:21,498 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 12:50:21,503 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 12:50:21,504 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:21" (1/2) ... [2024-09-21 12:50:21,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c8353d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 12:50:21" (1/2) ... [2024-09-21 12:50:21,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@55d82058 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,509 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:21" (2/2) ... [2024-09-21 12:50:21,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57c8353d and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:21, skipping insertion in model container [2024-09-21 12:50:21,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:21" (2/2) ... [2024-09-21 12:50:21,521 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 12:50:21,521 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)) [2024-09-21 12:50:21,522 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= cond), ensures (1 <= cond) [2024-09-21 12:50:21,522 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (cond != 0) [2024-09-21 12:50:21,541 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 12:50:21,737 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_valuebound5.c[537,550] [2024-09-21 12:50:21,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:21,779 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-21 12:50:21,821 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_valuebound5.c[537,550] Start Parsing Local [2024-09-21 12:50:21,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 12:50:21,852 INFO L204 MainTranslator]: Completed translation [2024-09-21 12:50:21,853 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 12:50:21 WrapperNode [2024-09-21 12:50:21,853 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 12:50:21,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 12:50:21,855 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 12:50:21,855 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 12:50:21,868 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,868 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,881 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,895 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 [2024-09-21 12:50:21,897 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,898 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,909 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,913 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,916 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,920 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 12:50:21,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 12:50:21,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 12:50:21,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 12:50:21,926 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 21.09 12:50:21" (1/1) ... [2024-09-21 12:50:21,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 12:50:21,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 12:50:21,955 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) [2024-09-21 12:50:21,959 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 [2024-09-21 12:50:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 12:50:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 12:50:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 12:50:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 12:50:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 12:50:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 12:50:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 12:50:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 12:50:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 12:50:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 12:50:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-21 12:50:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 12:50:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 12:50:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 12:50:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 12:50:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-21 12:50:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 12:50:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-21 12:50:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-21 12:50:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 12:50:22,090 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 12:50:22,093 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 12:50:22,618 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 12:50:22,649 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 12:50:22,677 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 12:50:22,677 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-21 12:50:22,678 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:22 BoogieIcfgContainer [2024-09-21 12:50:22,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 12:50:22,679 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 12:50:22,679 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 12:50:22,680 INFO L274 PluginConnector]: Referee initialized [2024-09-21 12:50:22,680 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 12:50:21" (1/4) ... [2024-09-21 12:50:22,680 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30f07a19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 12:50:22, skipping insertion in model container [2024-09-21 12:50:22,680 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 12:50:21" (2/4) ... [2024-09-21 12:50:22,681 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30f07a19 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:22, skipping insertion in model container [2024-09-21 12:50:22,681 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 21.09 12:50:21" (3/4) ... [2024-09-21 12:50:22,681 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30f07a19 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 12:50:22, skipping insertion in model container [2024-09-21 12:50:22,681 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 12:50:22" (4/4) ... [2024-09-21 12:50:22,683 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound5.c [2024-09-21 12:50:22,686 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 12:50:22,687 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 12:50:22,687 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-21 12:50:22,687 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:22,687 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 12:50:22,688 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 12:50:22,688 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-21 12:50:22,688 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 12:50:22,688 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, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location [2024-09-21 12:50:22,749 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-21 12:50:22,750 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:22,751 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:22,751 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:22,752 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:22,754 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:22,764 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-21 12:50:22,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:22,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:22,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:22,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:22,770 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:22,792 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:22,830 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-21 12:50:22,830 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:22,830 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:22,830 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:22,830 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:22,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:22,861 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-21 12:50:22,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:22,865 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:22,865 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:22,865 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:22,866 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:22,867 INFO L520 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 12:50:22,892 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:22,893 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:22,893 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:22,893 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:22,893 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:22,893 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:22,898 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:22,898 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:22,898 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:22,898 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:22,899 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:22,899 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:26,960 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:26,999 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 12:50:27,003 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,004 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,004 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,004 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,009 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 12:50:27,010 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,010 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,010 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,011 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,011 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,013 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 12:50:27,033 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 12:50:27,036 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,037 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,037 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,037 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,039 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 12:50:27,040 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,040 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,040 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,040 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,040 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,050 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-21 12:50:27,072 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-21 12:50:27,072 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,072 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,072 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,073 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,073 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,090 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-21 12:50:27,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,091 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,091 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,091 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,091 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:27,115 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 12:50:27,132 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-21 12:50:27,133 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 12:50:27,133 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 12:50:27,133 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 12:50:27,133 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 12:50:27,133 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,151 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-21 12:50:27,151 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 12:50:27,151 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 12:50:27,152 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 12:50:27,152 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 12:50:27,158 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 12:50:31,257 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-21 12:50:31,287 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-21 12:50:31,287 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@30f07a19 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 12:50:31, skipping insertion in model container [2024-09-21 12:50:31,287 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 12:50:31,289 INFO L158 Benchmark]: Toolchain (without parser) took 9791.67ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 38.3MB in the beginning and 40.0MB in the end (delta: -1.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,289 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 44.0MB. Free memory was 24.7MB in the beginning and 24.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:31,290 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 12:50:31,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.60ms. Allocated memory is still 69.2MB. Free memory was 38.0MB in the beginning and 43.5MB in the end (delta: -5.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,290 INFO L158 Benchmark]: Boogie Preprocessor took 69.13ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,291 INFO L158 Benchmark]: RCFGBuilder took 754.39ms. Allocated memory is still 69.2MB. Free memory was 41.3MB in the beginning and 44.7MB in the end (delta: -3.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,292 INFO L158 Benchmark]: Referee took 8608.38ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 44.7MB in the beginning and 40.0MB in the end (delta: 4.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2024-09-21 12:50:31,298 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 44.0MB. Free memory was 24.7MB in the beginning and 24.7MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.17ms. Allocated memory is still 69.2MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 355.60ms. Allocated memory is still 69.2MB. Free memory was 38.0MB in the beginning and 43.5MB in the end (delta: -5.5MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.13ms. Allocated memory is still 69.2MB. Free memory was 43.5MB in the beginning and 41.3MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 754.39ms. Allocated memory is still 69.2MB. Free memory was 41.3MB in the beginning and 44.7MB in the end (delta: -3.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 8608.38ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 44.7MB in the beginning and 40.0MB in the end (delta: 4.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-21 12:50:31,357 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...