This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:39,107 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:39,176 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:39,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:39,182 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:39,218 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:39,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:39,229 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:39,229 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:39,230 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:39,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:39,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:39,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:39,232 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:39,234 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:39,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:39,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:39,235 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:39,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:39,235 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:39,235 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:39,239 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:39,239 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:39,240 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:39,240 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:39,240 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:39,240 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:39,241 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:39,241 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:39,241 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:39,241 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:39,241 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:39,241 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:39,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:39,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:39,242 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:39,242 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:39,242 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:39,243 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:39,243 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:39,243 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:39,244 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:39,244 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:39,244 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:39,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:39,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:39,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:39,504 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:39,505 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:39,506 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-09-13 10:08:40,932 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:41,104 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:41,105 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/ps3-ll.c [2024-09-13 10:08:41,111 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/25482c641/f4d283960aa24dc496684a5bc100d301/FLAGa8c589270 [2024-09-13 10:08:41,127 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/25482c641/f4d283960aa24dc496684a5bc100d301 [2024-09-13 10:08:41,129 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:41,129 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:41,130 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps3-ll.yml/witness-2.1.yml [2024-09-13 10:08:41,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:41,176 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:41,178 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:41,178 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:41,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:41,184 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:41" (1/2) ... [2024-09-13 10:08:41,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245bbeb4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:41, skipping insertion in model container [2024-09-13 10:08:41,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:41" (1/2) ... [2024-09-13 10:08:41,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7ba736bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:41, skipping insertion in model container [2024-09-13 10:08:41,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:41" (2/2) ... [2024-09-13 10:08:41,187 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@245bbeb4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41, skipping insertion in model container [2024-09-13 10:08:41,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:41" (2/2) ... [2024-09-13 10:08:41,195 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:41,196 INFO L1541 ArrayList]: Loop invariant at [L26-L35] ((((3 * ((__int128) y * y)) + y) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 6)) [2024-09-13 10:08:41,202 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:08:41,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:41,354 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/ps3-ll.c[458,471] [2024-09-13 10:08:41,371 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:41,381 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:41,421 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/ps3-ll.c[458,471] Start Parsing Local [2024-09-13 10:08:41,428 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:41,442 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:41,443 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41 WrapperNode [2024-09-13 10:08:41,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:41,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:41,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:41,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:41,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,461 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,471 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:08:41,471 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,471 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,479 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,485 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,486 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:41,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:41,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:41,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:41,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (1/1) ... [2024-09-13 10:08:41,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:41,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:41,518 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:08:41,521 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:08:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:41,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:08:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:41,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:41,561 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-13 10:08:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:08:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:41,562 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:41,563 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:41,616 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:41,618 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:41,752 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:41,767 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:41,789 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:41,790 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:41,790 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:41 BoogieIcfgContainer [2024-09-13 10:08:41,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:41,791 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:41,791 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:41,792 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:41,792 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:41" (1/4) ... [2024-09-13 10:08:41,793 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25fb4b32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:41, skipping insertion in model container [2024-09-13 10:08:41,793 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:41" (2/4) ... [2024-09-13 10:08:41,793 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25fb4b32 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:41, skipping insertion in model container [2024-09-13 10:08:41,793 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:41" (3/4) ... [2024-09-13 10:08:41,794 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25fb4b32 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:41, skipping insertion in model container [2024-09-13 10:08:41,794 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:41" (4/4) ... [2024-09-13 10:08:41,795 INFO L79 RefereeObserver]: Analyzing ICFG ps3-ll.c [2024-09-13 10:08:41,798 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:41,799 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 10:08:41,799 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:41,799 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 10:08:41,799 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 10:08:41,799 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:41,800 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:41,800 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry 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 loop head to error location [2024-09-13 10:08:41,847 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 10:08:41,848 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:41,848 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:41,849 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:41,850 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:41,851 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:41,876 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 10:08:41,878 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:41,878 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:41,878 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:41,879 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:41,886 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:41,904 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:41,925 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:41,926 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:41,926 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:41,926 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:41,927 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:41,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:41,935 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:41,937 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:41,938 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:41,938 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:41,938 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:41,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:41,943 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:41,966 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:08:41,968 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:41,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:41,969 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:41,969 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:41,969 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:41,972 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:08:41,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:41,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:41,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:41,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:41,975 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:41,980 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:42,001 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:08:42,001 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:42,002 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:42,002 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:42,002 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:42,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,024 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:08:42,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:42,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:42,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:42,029 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:42,035 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:42,049 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:42,051 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:42,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:42,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:42,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:42,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,055 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:42,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,057 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:42,058 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:42,058 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:42,060 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:42,062 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:42,079 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:42,080 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:42,081 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:42,081 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:42,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:42,082 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,084 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:42,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:42,085 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:42,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:42,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:42,086 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:42,090 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:42,093 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:42,095 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@25fb4b32 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:42, skipping insertion in model container [2024-09-13 10:08:42,096 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:42,098 INFO L158 Benchmark]: Toolchain (without parser) took 921.41ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 72.4MB in the beginning and 125.2MB in the end (delta: -52.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:42,099 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:42,100 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:42,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 265.53ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 59.0MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:42,101 INFO L158 Benchmark]: Boogie Preprocessor took 48.13ms. Allocated memory is still 142.6MB. Free memory was 59.0MB in the beginning and 57.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:42,102 INFO L158 Benchmark]: RCFGBuilder took 297.77ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 56.7MB in the beginning and 145.1MB in the end (delta: -88.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-09-13 10:08:42,103 INFO L158 Benchmark]: Referee took 305.13ms. Allocated memory is still 178.3MB. Free memory was 145.1MB in the beginning and 125.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-09-13 10:08:42,107 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 27. 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 loop head at line 26 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from loop head at line 26 to loop head at line 26. 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 11. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 142.6MB. Free memory is still 107.4MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 265.53ms. Allocated memory is still 142.6MB. Free memory was 72.1MB in the beginning and 59.0MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.13ms. Allocated memory is still 142.6MB. Free memory was 59.0MB in the beginning and 57.1MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 297.77ms. Allocated memory was 142.6MB in the beginning and 178.3MB in the end (delta: 35.7MB). Free memory was 56.7MB in the beginning and 145.1MB in the end (delta: -88.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * Referee took 305.13ms. Allocated memory is still 178.3MB. Free memory was 145.1MB in the beginning and 125.2MB in the end (delta: 19.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:42,139 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...