This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:08,868 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:08,938 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:10:08,943 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:08,944 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:08,965 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:08,965 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:08,965 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:08,966 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:08,967 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:08,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:08,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:08,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:08,968 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:08,969 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:08,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:08,970 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:08,970 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:08,970 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:10:08,970 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:08,970 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:08,971 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:08,971 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:08,972 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:08,972 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:08,972 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:08,972 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:08,972 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:08,973 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:08,973 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:08,973 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:08,973 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:08,973 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:08,973 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:08,974 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:08,974 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:08,974 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:08,974 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:10:08,974 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:10:08,975 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:08,975 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:08,975 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:08,975 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:08,976 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:09,162 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:09,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:09,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:09,182 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:09,183 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:09,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-13 10:10:09,230 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:09,230 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:09,231 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-13 10:10:10,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:10,555 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:10,555 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-13 10:10:10,561 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/44955da4f/ae95776a66714b9c953f7534931491be/FLAGf68529839 [2024-09-13 10:10:10,959 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/44955da4f/ae95776a66714b9c953f7534931491be [2024-09-13 10:10:10,960 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:10,960 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:10,963 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:10,963 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:10,967 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:10,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:09" (1/2) ... [2024-09-13 10:10:10,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63df4ed4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:10, skipping insertion in model container [2024-09-13 10:10:10,968 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:09" (1/2) ... [2024-09-13 10:10:10,969 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@768122f7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:10, skipping insertion in model container [2024-09-13 10:10:10,969 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:10" (2/2) ... [2024-09-13 10:10:10,970 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63df4ed4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:10, skipping insertion in model container [2024-09-13 10:10:10,970 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:10" (2/2) ... [2024-09-13 10:10:10,975 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:10,977 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 10:10:10,977 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:10,977 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:10,991 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:11,099 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-09-13 10:10:11,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:11,117 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:11,142 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-09-13 10:10:11,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:11,164 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:11,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11 WrapperNode [2024-09-13 10:10:11,164 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:11,165 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:11,165 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:11,165 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:11,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,185 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,196 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:11,199 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,199 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,203 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,211 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,212 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,213 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:11,213 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:11,217 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:11,217 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:11,218 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (1/1) ... [2024-09-13 10:10:11,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:11,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:11,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:11,249 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:11,281 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:11,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:11,282 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:10:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:10:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:10:11,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:11,334 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:11,336 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:11,484 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:11,499 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:11,528 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:11,529 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:11,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:11 BoogieIcfgContainer [2024-09-13 10:10:11,529 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:11,530 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:11,531 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:11,531 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:11,531 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:09" (1/4) ... [2024-09-13 10:10:11,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@284dec2e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,532 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:10" (2/4) ... [2024-09-13 10:10:11,533 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@284dec2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,533 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:11" (3/4) ... [2024-09-13 10:10:11,533 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@284dec2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:11, skipping insertion in model container [2024-09-13 10:10:11,534 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:11" (4/4) ... [2024-09-13 10:10:11,534 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-13 10:10:11,537 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:11,538 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:11,538 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:11,538 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:11,538 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:11,538 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:11,539 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:10:11,539 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:11,539 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:10:11,596 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:11,597 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:11,597 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:11,598 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:11,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:11,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,608 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:11,609 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,609 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:11,609 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:11,610 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:11,613 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:11,630 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:11,649 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:11,649 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:11,649 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:11,650 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:11,653 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:11,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,672 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:11,672 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,672 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:11,673 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:11,673 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:11,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:11,684 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:11,696 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:11,696 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:11,696 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:11,697 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:11,697 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:11,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,701 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:11,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:11,701 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:11,702 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:11,702 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:11,702 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:15,704 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:15,721 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:15,721 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,721 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,724 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:15,724 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,724 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,724 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,725 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,725 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:15,729 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:15,741 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:15,741 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,741 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,741 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,741 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,743 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:15,744 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,744 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,744 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,744 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,745 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:15,747 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:15,761 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:15,762 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,763 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,763 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,763 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,763 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,774 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:15,775 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,775 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,775 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,775 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,775 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:15,778 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:15,799 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:15,800 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:15,800 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:15,800 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:15,800 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:15,800 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,818 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:15,819 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:15,819 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:15,819 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:15,819 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:15,824 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:19,827 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:19,832 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:19,833 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@284dec2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:19, skipping insertion in model container [2024-09-13 10:10:19,833 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:19,838 INFO L158 Benchmark]: Toolchain (without parser) took 8873.08ms. Allocated memory is still 188.7MB. Free memory was 158.4MB in the beginning and 147.1MB in the end (delta: 11.3MB). Peak memory consumption was 69.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,838 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory was 91.8MB in the beginning and 91.7MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:19,838 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:19,838 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.65ms. Allocated memory is still 188.7MB. Free memory was 158.4MB in the beginning and 144.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,839 INFO L158 Benchmark]: Boogie Preprocessor took 47.91ms. Allocated memory is still 188.7MB. Free memory was 144.7MB in the beginning and 142.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,839 INFO L158 Benchmark]: RCFGBuilder took 315.97ms. Allocated memory is still 188.7MB. Free memory was 142.6MB in the beginning and 127.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,839 INFO L158 Benchmark]: Referee took 8302.37ms. Allocated memory is still 188.7MB. Free memory was 127.1MB in the beginning and 147.1MB in the end (delta: -19.9MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:19,842 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from 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 __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 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. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 130.0MB. Free memory was 91.8MB in the beginning and 91.7MB in the end (delta: 120.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 130.0MB. Free memory is still 103.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.65ms. Allocated memory is still 188.7MB. Free memory was 158.4MB in the beginning and 144.7MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.91ms. Allocated memory is still 188.7MB. Free memory was 144.7MB in the beginning and 142.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 315.97ms. Allocated memory is still 188.7MB. Free memory was 142.6MB in the beginning and 127.1MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8302.37ms. Allocated memory is still 188.7MB. Free memory was 127.1MB in the beginning and 147.1MB in the end (delta: -19.9MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:19,866 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:10:21,544 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:21,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:21,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:21,611 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:21,634 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:21,635 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:21,636 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:21,636 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:21,637 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:21,637 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:21,637 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:21,638 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:21,640 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:21,641 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:21,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:21,641 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:21,641 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:21,642 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:21,642 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:21,642 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:21,642 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:21,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:21,644 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:21,644 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:21,644 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:21,644 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:21,645 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:21,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:21,645 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:21,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:21,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:21,646 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:21,646 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:21,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:21,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:21,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:21,647 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:21,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:21,647 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:21,647 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:21,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:21,649 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:21,649 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:21,649 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:21,649 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:21,649 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:21,892 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:21,910 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:21,912 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:21,913 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:21,914 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:21,915 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_valuebound50.yml/witness-2.1.yml [2024-09-13 10:10:21,956 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:21,956 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:21,957 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-13 10:10:23,265 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:23,402 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:23,402 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c [2024-09-13 10:10:23,408 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c1bf40a58/cbae6678953d41eb8647de08d747f869/FLAG73bb2a6dd [2024-09-13 10:10:23,421 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c1bf40a58/cbae6678953d41eb8647de08d747f869 [2024-09-13 10:10:23,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:23,422 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:23,423 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:23,425 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:23,428 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:23,429 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:21" (1/2) ... [2024-09-13 10:10:23,429 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e6308c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,429 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:21" (1/2) ... [2024-09-13 10:10:23,433 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7efb4bd4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,434 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:23" (2/2) ... [2024-09-13 10:10:23,434 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43e6308c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23, skipping insertion in model container [2024-09-13 10:10:23,434 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:23" (2/2) ... [2024-09-13 10:10:23,439 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:23,440 INFO L1541 ArrayList]: Loop invariant at [L37-L50] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && ((b % 4294967296) <= 65535)) [2024-09-13 10:10:23,440 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:23,441 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 10:10:23,455 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:23,595 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] [2024-09-13 10:10:23,613 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:23,623 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:23,656 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_valuebound50.c[537,550] Start Parsing Local [2024-09-13 10:10:23,666 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:23,683 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:23,683 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23 WrapperNode [2024-09-13 10:10:23,684 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:23,684 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:23,685 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:23,685 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:23,694 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,701 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,714 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:23,714 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,721 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,725 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,731 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:23,732 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:23,732 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:23,733 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:23,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (1/1) ... [2024-09-13 10:10:23,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:23,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:23,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:10:23,760 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:10:23,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:23,798 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:23,798 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:23,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:23,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:23,852 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:23,854 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:24,170 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:24,181 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:24,214 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:24,215 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:24,215 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:24 BoogieIcfgContainer [2024-09-13 10:10:24,215 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:24,216 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:24,216 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:24,216 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:24,217 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:10:21" (1/4) ... [2024-09-13 10:10:24,217 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4db10533 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:24, skipping insertion in model container [2024-09-13 10:10:24,217 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:23" (2/4) ... [2024-09-13 10:10:24,217 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4db10533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:24, skipping insertion in model container [2024-09-13 10:10:24,217 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:23" (3/4) ... [2024-09-13 10:10:24,218 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4db10533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:24, skipping insertion in model container [2024-09-13 10:10:24,218 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:24" (4/4) ... [2024-09-13 10:10:24,219 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_valuebound50.c [2024-09-13 10:10:24,221 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:24,222 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:24,223 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:10:24,223 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:24,224 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:24,224 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:24,224 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-13 10:10:24,224 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L43-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:24,224 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:10:24,266 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:24,267 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,267 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,268 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,269 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,270 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,278 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:24,282 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,282 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,282 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,283 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,285 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:24,298 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:24,316 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:10:24,317 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,317 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,317 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,317 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,318 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,333 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:10:24,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,333 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,333 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,333 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,334 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:24,335 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:24,359 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:24,359 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,359 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,359 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,359 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,366 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:24,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,367 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,367 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,367 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,367 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:24,401 INFO L514 InvariantChecker]: The annotation(s) from loop head L43-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:24,418 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:24,418 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,418 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,418 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,418 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,425 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:24,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,425 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,426 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,426 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,426 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:24,433 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:24,451 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:24,451 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,451 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,451 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,452 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,452 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,453 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:24,453 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,453 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,453 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,453 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,453 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:24,455 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:24,469 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-13 10:10:24,469 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,469 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,470 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,470 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,470 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,480 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-13 10:10:24,480 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,480 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,480 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,481 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:24,489 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:24,500 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 7 edges [2024-09-13 10:10:24,500 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:24,500 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:24,500 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:24,500 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:24,500 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,520 INFO L101 BaseMinimizeStates]: Removed 12 edges and 5 locations by large block encoding [2024-09-13 10:10:24,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:24,521 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:24,521 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:24,521 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:24,525 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:28,557 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:28,663 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:28,664 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4db10533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:28, skipping insertion in model container [2024-09-13 10:10:28,664 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:28,666 INFO L158 Benchmark]: Toolchain (without parser) took 5242.97ms. Allocated memory was 75.5MB in the beginning and 121.6MB in the end (delta: 46.1MB). Free memory was 38.9MB in the beginning and 95.8MB in the end (delta: -56.9MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,666 INFO L158 Benchmark]: Witness Parser took 0.76ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:28,666 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 75.5MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:28,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.39ms. Allocated memory is still 75.5MB. Free memory was 38.6MB in the beginning and 48.4MB in the end (delta: -9.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,667 INFO L158 Benchmark]: Boogie Preprocessor took 46.85ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 46.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,667 INFO L158 Benchmark]: RCFGBuilder took 483.55ms. Allocated memory was 75.5MB in the beginning and 121.6MB in the end (delta: 46.1MB). Free memory was 46.0MB in the beginning and 99.5MB in the end (delta: -53.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,668 INFO L158 Benchmark]: Referee took 4448.64ms. Allocated memory is still 121.6MB. Free memory was 99.5MB in the beginning and 95.8MB in the end (delta: 3.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-09-13 10:10:28,674 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.76ms. Allocated memory is still 75.5MB. Free memory is still 52.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 75.5MB. Free memory is still 50.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 260.39ms. Allocated memory is still 75.5MB. Free memory was 38.6MB in the beginning and 48.4MB in the end (delta: -9.7MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.85ms. Allocated memory is still 75.5MB. Free memory was 48.4MB in the beginning and 46.0MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 483.55ms. Allocated memory was 75.5MB in the beginning and 121.6MB in the end (delta: 46.1MB). Free memory was 46.0MB in the beginning and 99.5MB in the end (delta: -53.5MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * Referee took 4448.64ms. Allocated memory is still 121.6MB. Free memory was 99.5MB in the beginning and 95.8MB in the end (delta: 3.7MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:28,706 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...