This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:05:15,503 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:05:15,568 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:05:15,574 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:05:15,577 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:05:15,606 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:05:15,607 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:05:15,607 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:05:15,608 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:05:15,612 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:05:15,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:05:15,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:05:15,613 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:05:15,613 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:05:15,613 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:05:15,614 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:05:15,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:05:15,614 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:05:15,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:05:15,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:05:15,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:05:15,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:05:15,619 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:05:15,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:05:15,619 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:05:15,619 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:05:15,619 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:05:15,620 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:05:15,620 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:05:15,620 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:05:15,620 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:05:15,621 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:05:15,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:05:15,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:15,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:05:15,628 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:05:15,628 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:05:15,628 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:05:15,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:05:15,629 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:05:15,629 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:05:15,630 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:05:15,630 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:05:15,630 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:05:15,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:05:15,878 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:05:15,881 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:05:15,882 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:05:15,883 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:05:15,884 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/prod4br-ll.c [2024-09-13 05:05:17,231 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:05:17,461 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:05:17,462 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/prod4br-ll.c [2024-09-13 05:05:17,470 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9099b33b1/21ccb8f0d23d4944805bf9b4b1dd6269/FLAG11c0d34d3 [2024-09-13 05:05:17,486 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9099b33b1/21ccb8f0d23d4944805bf9b4b1dd6269 [2024-09-13 05:05:17,488 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:05:17,489 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:05:17,490 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/prod4br-ll.yml/witness-2.1.yml [2024-09-13 05:05:17,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:05:17,538 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:05:17,539 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:17,539 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:05:17,545 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:05:17,545 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:17" (1/2) ... [2024-09-13 05:05:17,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c88f95b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:17, skipping insertion in model container [2024-09-13 05:05:17,548 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:17" (1/2) ... [2024-09-13 05:05:17,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@74652671 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:17, skipping insertion in model container [2024-09-13 05:05:17,550 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 05:05:17" (2/2) ... [2024-09-13 05:05:17,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c88f95b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:17, skipping insertion in model container [2024-09-13 05:05:17,550 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 05:05:17" (2/2) ... [2024-09-13 05:05:17,559 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:05:17,560 INFO L1541 ArrayList]: Loop invariant at [L32-L53] (((q + (((__int128) b * a) * p)) == ((long long) y * x)) && (1 <= y)) [2024-09-13 05:05:17,560 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:05:17,560 INFO L1541 ArrayList]: Function contract at [L8]: requires null, ensures (\old(cond) != 0) [2024-09-13 05:05:17,576 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:05:17,724 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/prod4br-ll.c[524,537] [2024-09-13 05:05:17,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:17,767 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:05:17,806 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/prod4br-ll.c[524,537] Start Parsing Local [2024-09-13 05:05:17,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:17,839 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:05:17,839 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:17 WrapperNode [2024-09-13 05:05:17,840 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:17,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:05:17,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:05:17,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:05:17,853 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,854 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,862 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,872 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 05:05:17,873 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,873 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,878 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,881 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,886 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,887 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,888 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:05:17,889 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:05:17,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:05:17,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:05:17,893 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 05:05:17" (1/1) ... [2024-09-13 05:05:17,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:17,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:05:17,919 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 05:05:17,921 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 05:05:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:05:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:05:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:05:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:05:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:05:17,958 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:05:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:05:17,958 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:05:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:05:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:05:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 05:05:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:05:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:05:17,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:05:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:05:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:05:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:05:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:05:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:05:17,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:05:18,015 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:05:18,019 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:05:18,229 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:18,243 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:05:18,280 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:05:18,280 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:05:18,281 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:18 BoogieIcfgContainer [2024-09-13 05:05:18,281 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:05:18,282 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:05:18,282 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:05:18,283 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:05:18,283 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:05:17" (1/4) ... [2024-09-13 05:05:18,284 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5db76d4c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:18, skipping insertion in model container [2024-09-13 05:05:18,284 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 05:05:17" (2/4) ... [2024-09-13 05:05:18,284 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5db76d4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:18, skipping insertion in model container [2024-09-13 05:05:18,284 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 05:05:17" (3/4) ... [2024-09-13 05:05:18,284 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5db76d4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:18, skipping insertion in model container [2024-09-13 05:05:18,284 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 05:05:18" (4/4) ... [2024-09-13 05:05:18,286 INFO L79 RefereeObserver]: Analyzing ICFG prod4br-ll.c [2024-09-13 05:05:18,291 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:05:18,292 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 05:05:18,292 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:05:18,292 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:18,292 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-13 05:05:18,293 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-13 05:05:18,293 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 05:05:18,293 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 05:05:18,294 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L45-2 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:05:18,294 INFO L130 InvariantChecker]: Will check 3 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 05:05:18,354 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:05:18,356 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:18,357 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:18,357 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:18,359 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:18,360 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,372 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:05:18,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,373 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:18,373 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:18,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:18,379 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:18,401 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:18,430 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:05:18,430 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:18,430 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:18,430 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:18,430 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:18,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,448 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:05:18,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,450 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:18,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:18,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:18,452 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:18,459 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:18,482 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:18,482 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:18,482 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:18,483 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:18,483 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:18,483 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,490 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:18,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,491 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:18,491 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:18,491 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:18,492 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:18,495 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:18,515 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:05:18,516 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:18,516 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:18,516 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:18,519 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:18,519 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,525 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:05:18,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:18,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:18,526 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:18,526 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:18,533 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:18,559 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-09-13 05:05:18,560 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:18,582 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:18,582 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:18,583 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:18,583 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,629 INFO L101 BaseMinimizeStates]: Removed 20 edges and 7 locations by large block encoding [2024-09-13 05:05:18,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:18,630 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:18,630 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:18,642 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:18,700 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:18,711 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:05:18,712 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:18,712 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:18,712 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:18,712 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:18,712 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,716 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:05:18,716 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,717 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:18,717 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:18,717 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:18,718 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:18,720 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:18,734 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:18,734 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:18,734 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:18,734 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:18,734 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:18,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,737 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:18,737 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,737 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:18,737 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:18,738 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:18,738 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:18,740 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:05:18,754 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:05:18,755 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:18,755 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:18,755 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:18,755 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:18,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,766 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-13 05:05:18,767 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:18,767 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:18,767 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:18,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:18,769 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:18,773 INFO L514 InvariantChecker]: The annotation(s) from loop head L45-2 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:18,777 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:05:18,777 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5db76d4c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:05:18, skipping insertion in model container [2024-09-13 05:05:18,777 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:05:18,779 INFO L158 Benchmark]: Toolchain (without parser) took 1240.23ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 116.9MB in the beginning and 143.6MB in the end (delta: -26.8MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2024-09-13 05:05:18,779 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:18,779 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:18,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.47ms. Allocated memory is still 148.9MB. Free memory was 116.7MB in the beginning and 102.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:18,783 INFO L158 Benchmark]: Boogie Preprocessor took 47.71ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:18,784 INFO L158 Benchmark]: RCFGBuilder took 391.78ms. Allocated memory is still 148.9MB. Free memory was 100.5MB in the beginning and 86.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:18,785 INFO L158 Benchmark]: Referee took 494.83ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 86.1MB in the beginning and 143.6MB in the end (delta: -57.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. [2024-09-13 05:05:18,788 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 32 to check that procedure precondition always holds at line 33. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 32. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 32. Annotation is valid for all loop-free paths from loop head at line 32 to check that procedure precondition always holds at line 55. 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 32 to loop head at line 32. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 148.9MB. Free memory is still 115.1MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 148.9MB. Free memory is still 118.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.47ms. Allocated memory is still 148.9MB. Free memory was 116.7MB in the beginning and 102.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.71ms. Allocated memory is still 148.9MB. Free memory was 102.6MB in the beginning and 100.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 391.78ms. Allocated memory is still 148.9MB. Free memory was 100.5MB in the beginning and 86.1MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 494.83ms. Allocated memory was 148.9MB in the beginning and 195.0MB in the end (delta: 46.1MB). Free memory was 86.1MB in the beginning and 143.6MB in the end (delta: -57.5MB). Peak memory consumption was 26.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:05:18,810 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...