This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:04,816 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:04,898 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:10:04,902 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:04,902 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:04,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:04,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:04,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:04,934 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:04,937 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:04,937 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:04,938 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:04,938 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:04,938 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:04,939 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:04,939 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:04,939 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:04,939 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:04,940 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:10:04,941 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:04,941 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:04,941 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:04,942 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:04,942 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:04,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:04,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:04,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:04,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:04,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:04,943 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:04,943 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:04,944 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:04,944 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:04,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:04,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:04,946 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:04,946 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:04,946 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:10:04,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:10:04,946 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:04,947 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:04,949 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:04,949 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:04,950 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:05,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:05,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:05,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:05,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:05,232 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:05,233 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-20 20:10:06,667 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:06,868 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:06,869 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-20 20:10:06,884 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/bd3adfc10/a1e20185e5de42c89f7658e4a5cd26cb/FLAGb57cf071b [2024-09-20 20:10:07,247 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/bd3adfc10/a1e20185e5de42c89f7658e4a5cd26cb [2024-09-20 20:10:07,250 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:07,251 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:07,251 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2.yml/witness-2.1.yml [2024-09-20 20:10:07,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:07,308 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:07,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:07,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:07,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:07,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:07" (1/2) ... [2024-09-20 20:10:07,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d863406 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:07, skipping insertion in model container [2024-09-20 20:10:07,317 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:07" (1/2) ... [2024-09-20 20:10:07,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@470151ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:07, skipping insertion in model container [2024-09-20 20:10:07,319 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:07" (2/2) ... [2024-09-20 20:10:07,320 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d863406 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:07, skipping insertion in model container [2024-09-20 20:10:07,320 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:07" (2/2) ... [2024-09-20 20:10:07,327 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:07,327 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-20 20:10:07,327 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:07,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:07,490 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/lcm2.c[537,550] [2024-09-20 20:10:07,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:07,515 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:07,557 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/lcm2.c[537,550] Start Parsing Local [2024-09-20 20:10:07,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:07,595 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:07,595 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:07 WrapperNode [2024-09-20 20:10:07,595 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:07,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:07,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:07,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:07,610 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,610 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,616 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,630 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 [2024-09-20 20:10:07,631 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,631 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,640 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,644 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,645 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,650 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,652 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:07,652 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:07,652 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:07,653 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:07,653 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 20.09 08:10:07" (1/1) ... [2024-09-20 20:10:07,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:07,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:07,685 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) [2024-09-20 20:10:07,688 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 [2024-09-20 20:10:07,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:07,733 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:07,734 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:07,735 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:07,735 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:07,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:10:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:10:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:10:07,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:07,837 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:07,839 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:08,063 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:08,086 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:08,117 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:08,119 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:10:08,119 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:08 BoogieIcfgContainer [2024-09-20 20:10:08,119 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:08,120 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:08,120 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:08,121 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:08,121 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:07" (1/4) ... [2024-09-20 20:10:08,121 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62899f43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:08, skipping insertion in model container [2024-09-20 20:10:08,122 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:07" (2/4) ... [2024-09-20 20:10:08,122 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62899f43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:08, skipping insertion in model container [2024-09-20 20:10:08,122 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 20.09 08:10:07" (3/4) ... [2024-09-20 20:10:08,123 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62899f43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:08, skipping insertion in model container [2024-09-20 20:10:08,123 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:08" (4/4) ... [2024-09-20 20:10:08,125 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-20 20:10:08,128 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:10:08,129 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:10:08,129 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:08,129 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:08,130 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:08,130 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:08,130 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:08,130 INFO L131 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:10:08,182 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:08,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:08,184 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:08,184 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:08,185 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:08,187 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:08,223 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:08,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:08,224 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:08,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:08,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:08,238 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:08,254 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:08,270 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:10:08,270 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:08,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:08,271 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:08,271 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:08,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:08,300 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:10:08,301 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:08,301 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:08,301 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:08,301 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:08,310 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:12,315 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:12,336 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:10:12,336 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:12,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:12,337 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:12,337 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:12,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:12,340 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:10:12,340 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:12,340 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:12,340 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:12,340 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:12,340 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:12,344 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:12,354 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:12,355 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:12,355 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:12,355 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:12,355 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:12,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:12,360 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:12,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:12,360 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:12,360 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:12,360 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:12,361 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:16,367 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:16,385 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:16,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:16,386 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:16,386 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:16,386 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:16,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:16,389 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:16,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:16,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:16,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:16,390 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:16,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:16,398 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:16,415 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:16,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:16,418 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:16,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:16,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:16,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:16,419 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:16,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:16,420 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:16,420 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:16,420 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:16,422 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:16,423 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:16,430 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:16,434 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@62899f43 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:16, skipping insertion in model container [2024-09-20 20:10:16,434 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:16,436 INFO L158 Benchmark]: Toolchain (without parser) took 9127.42ms. Allocated memory is still 165.7MB. Free memory was 92.7MB in the beginning and 88.4MB in the end (delta: 4.4MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2024-09-20 20:10:16,436 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:16,437 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:16,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.65ms. Allocated memory is still 165.7MB. Free memory was 92.5MB in the beginning and 79.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-20 20:10:16,439 INFO L158 Benchmark]: Boogie Preprocessor took 55.23ms. Allocated memory is still 165.7MB. Free memory was 79.0MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:16,440 INFO L158 Benchmark]: RCFGBuilder took 467.16ms. Allocated memory is still 165.7MB. Free memory was 76.8MB in the beginning and 124.0MB in the end (delta: -47.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:16,441 INFO L158 Benchmark]: Referee took 8314.36ms. Allocated memory is still 165.7MB. Free memory was 124.0MB in the beginning and 88.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:16,446 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 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 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. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 121.6MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 165.7MB. Free memory is still 94.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.65ms. Allocated memory is still 165.7MB. Free memory was 92.5MB in the beginning and 79.0MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.23ms. Allocated memory is still 165.7MB. Free memory was 79.0MB in the beginning and 76.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 467.16ms. Allocated memory is still 165.7MB. Free memory was 76.8MB in the beginning and 124.0MB in the end (delta: -47.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * Referee took 8314.36ms. Allocated memory is still 165.7MB. Free memory was 124.0MB in the beginning and 88.4MB in the end (delta: 35.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:16,475 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:10:18,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:10:18,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:10:18,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:10:18,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:10:18,831 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:10:18,832 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:10:18,832 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:10:18,833 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:10:18,834 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:10:18,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:10:18,835 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:10:18,837 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:10:18,838 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:10:18,838 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:10:18,838 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:10:18,838 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:10:18,839 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:10:18,839 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:10:18,839 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:10:18,840 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:10:18,843 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:10:18,844 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:10:18,844 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:10:18,844 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:10:18,844 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:10:18,845 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:10:18,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:10:18,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:10:18,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:10:18,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:10:18,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:10:18,846 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:10:18,846 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:10:18,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:10:18,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:18,847 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:10:18,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:10:18,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:10:18,851 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:10:18,851 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:10:18,852 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:10:18,852 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:10:18,852 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:10:18,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:10:18,853 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:10:18,853 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:10:19,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:10:19,217 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:10:19,221 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:10:19,222 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:10:19,223 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:10:19,225 INFO L431 ainManager$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 [2024-09-20 20:10:19,292 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:10:19,292 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:10:19,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-20 20:10:20,909 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:10:21,099 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:10:21,100 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/lcm2.c [2024-09-20 20:10:21,107 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8e8aaf96c/6e4f88f3e3ee4524bd3b6e865c79992f/FLAG5fb5c1b61 [2024-09-20 20:10:21,123 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8e8aaf96c/6e4f88f3e3ee4524bd3b6e865c79992f [2024-09-20 20:10:21,124 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:10:21,125 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:10:21,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:21,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:10:21,133 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:10:21,134 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:19" (1/2) ... [2024-09-20 20:10:21,134 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552e42a4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:21, skipping insertion in model container [2024-09-20 20:10:21,137 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:19" (1/2) ... [2024-09-20 20:10:21,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1956557c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:10:21, skipping insertion in model container [2024-09-20 20:10:21,138 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:21" (2/2) ... [2024-09-20 20:10:21,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@552e42a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21, skipping insertion in model container [2024-09-20 20:10:21,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:10:21" (2/2) ... [2024-09-20 20:10:21,150 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:10:21,150 INFO L1541 ArrayList]: Loop invariant at [L35-L48] (((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) [2024-09-20 20:10:21,151 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:10:21,169 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:10:21,330 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/lcm2.c[537,550] [2024-09-20 20:10:21,352 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:21,364 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 20:10:21,419 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/lcm2.c[537,550] Start Parsing Local [2024-09-20 20:10:21,432 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:10:21,451 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:10:21,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21 WrapperNode [2024-09-20 20:10:21,452 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:10:21,453 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:10:21,454 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:10:21,454 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:10:21,466 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,474 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,488 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 [2024-09-20 20:10:21,488 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,503 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,505 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,510 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,512 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:10:21,513 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:10:21,513 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:10:21,513 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:10:21,514 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (1/1) ... [2024-09-20 20:10:21,521 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:10:21,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:10:21,545 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) [2024-09-20 20:10:21,548 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 [2024-09-20 20:10:21,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:10:21,594 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:10:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:10:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:10:21,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:10:21,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:10:21,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:10:21,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:10:21,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:10:21,664 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:10:21,667 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:10:22,215 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:10:22,235 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:10:22,265 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:10:22,265 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:10:22,266 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:22 BoogieIcfgContainer [2024-09-20 20:10:22,266 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:10:22,267 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:10:22,267 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:10:22,268 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:10:22,268 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:10:19" (1/4) ... [2024-09-20 20:10:22,268 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@233fee8a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:10:22, skipping insertion in model container [2024-09-20 20:10:22,269 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:10:21" (2/4) ... [2024-09-20 20:10:22,269 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@233fee8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:22, skipping insertion in model container [2024-09-20 20:10:22,269 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:10:21" (3/4) ... [2024-09-20 20:10:22,269 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@233fee8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:10:22, skipping insertion in model container [2024-09-20 20:10:22,270 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:10:22" (4/4) ... [2024-09-20 20:10:22,271 INFO L79 RefereeObserver]: Analyzing ICFG lcm2.c [2024-09-20 20:10:22,276 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:10:22,277 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-20 20:10:22,277 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:22,278 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:10:22,278 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L41-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:22,278 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:10:22,279 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:10:22,279 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, 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location [2024-09-20 20:10:22,349 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-20 20:10:22,350 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:22,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:22,352 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:22,353 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:22,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:22,381 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-20 20:10:22,382 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:22,382 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:22,382 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:22,383 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:22,385 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:22,401 INFO L520 InvariantChecker]: The annotation(s) from loop head L41-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:10:22,419 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-20 20:10:22,420 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:22,420 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:22,420 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:22,420 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:22,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:22,454 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-20 20:10:22,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:22,454 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:22,455 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:22,455 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:22,462 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:26,566 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:26,614 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:10:26,614 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:26,614 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:26,614 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:26,614 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:26,614 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:26,625 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:10:26,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:26,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:26,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:26,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:26,630 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:26,657 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:10:26,673 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:26,673 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:26,673 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:26,674 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:26,674 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:26,674 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:26,677 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:26,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:26,678 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:26,678 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:26,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:26,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:30,720 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:10:30,745 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:10:30,745 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:30,745 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:30,745 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:30,745 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:30,746 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,749 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:10:30,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,749 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:30,749 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:30,750 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:30,750 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:30,752 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:10:30,776 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:10:30,776 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:10:30,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:10:30,777 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:10:30,777 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:10:30,777 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,779 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:10:30,780 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:10:30,780 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:10:30,780 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:10:30,780 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:10:30,781 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:10:30,782 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:10:30,785 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:10:30,786 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@233fee8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:10:30, skipping insertion in model container [2024-09-20 20:10:30,786 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:10:30,788 INFO L158 Benchmark]: Toolchain (without parser) took 9661.73ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 37.7MB in the beginning and 51.1MB in the end (delta: -13.4MB). Peak memory consumption was 26.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:30,788 INFO L158 Benchmark]: Witness Parser took 0.27ms. Allocated memory is still 41.9MB. Free memory was 18.8MB in the beginning and 18.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:30,789 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 74.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:10:30,789 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.90ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 37.5MB in the beginning and 53.6MB in the end (delta: -16.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2024-09-20 20:10:30,790 INFO L158 Benchmark]: Boogie Preprocessor took 58.61ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 51.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-20 20:10:30,790 INFO L158 Benchmark]: RCFGBuilder took 753.51ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 36.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:10:30,791 INFO L158 Benchmark]: Referee took 8519.29ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 51.1MB in the end (delta: -14.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. [2024-09-20 20:10:30,794 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. 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. 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. 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 check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.27ms. Allocated memory is still 41.9MB. Free memory was 18.8MB in the beginning and 18.8MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.20ms. Allocated memory is still 60.8MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 74.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.90ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 37.5MB in the beginning and 53.6MB in the end (delta: -16.1MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.61ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 51.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 753.51ms. Allocated memory is still 75.5MB. Free memory was 51.1MB in the beginning and 36.5MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8519.29ms. Allocated memory is still 75.5MB. Free memory was 36.5MB in the beginning and 51.1MB in the end (delta: -14.6MB). Peak memory consumption was 10.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:10:30,840 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...