This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:27:37,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:37,629 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 13:27:37,634 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:37,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:37,662 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:37,663 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:37,665 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:37,665 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:37,666 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:37,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:37,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:37,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:37,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:37,670 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:37,672 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:37,672 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:37,673 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:37,673 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 13:27:37,673 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:37,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:37,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:37,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:37,674 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:37,675 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:37,675 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:37,675 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:37,675 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:37,676 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:37,676 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:37,676 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:37,676 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:37,676 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:37,677 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:37,677 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:37,677 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:37,677 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:37,678 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 13:27:37,678 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 13:27:37,679 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:37,680 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:37,680 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:37,680 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:37,680 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:37,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:37,952 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:37,957 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:37,958 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:37,959 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:37,960 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/geo2-ll_unwindbound1.yml/witness-2.1.yml [2024-09-20 13:27:38,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:38,051 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:38,052 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-20 13:27:39,442 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:39,633 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:39,633 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-20 13:27:39,640 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/f3e84ac5d/3139eb1653d344ec88386049410216c1/FLAG8f0bf0be5 [2024-09-20 13:27:40,035 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/f3e84ac5d/3139eb1653d344ec88386049410216c1 [2024-09-20 13:27:40,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:40,037 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:40,040 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:40,040 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:40,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:40,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:38" (1/2) ... [2024-09-20 13:27:40,047 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f9982c and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:40, skipping insertion in model container [2024-09-20 13:27:40,048 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:38" (1/2) ... [2024-09-20 13:27:40,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3b9e8276 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:40, skipping insertion in model container [2024-09-20 13:27:40,050 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:40" (2/2) ... [2024-09-20 13:27:40,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45f9982c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40, skipping insertion in model container [2024-09-20 13:27:40,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:40" (2/2) ... [2024-09-20 13:27:40,059 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:40,059 INFO L1541 ArrayList]: Loop invariant at [L34-L43] (((((y == 1) && (x == 1)) && (counter == 0)) || (((z == y) && (1 <= counter)) && (x == ((long long) z + 1)))) && (\old(counter) == 0)) [2024-09-20 13:27:40,059 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:40,060 INFO L1541 ArrayList]: Function contract at [L24]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:27:40,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:40,249 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] [2024-09-20 13:27:40,274 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:40,284 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:27:40,323 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:27:40,335 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:40,352 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:40,352 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40 WrapperNode [2024-09-20 13:27:40,353 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:40,354 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:40,354 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:40,354 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:40,365 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,366 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,371 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,385 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:27:40,385 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,386 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,393 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,396 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,397 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,402 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,403 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:40,404 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:40,404 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:40,404 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:40,405 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (1/1) ... [2024-09-20 13:27:40,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:40,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:40,433 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:27:40,439 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:27:40,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:40,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:40,481 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:27:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:40,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 13:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 13:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 13:27:40,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:40,543 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:40,545 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:40,584 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:40,691 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:40,705 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:40,734 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:40,734 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:27:40,734 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:40 BoogieIcfgContainer [2024-09-20 13:27:40,734 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:40,735 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:40,735 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:40,736 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:40,736 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:38" (1/4) ... [2024-09-20 13:27:40,737 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@153b9fb8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:40, skipping insertion in model container [2024-09-20 13:27:40,737 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:40" (2/4) ... [2024-09-20 13:27:40,737 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@153b9fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:40, skipping insertion in model container [2024-09-20 13:27:40,737 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:40" (3/4) ... [2024-09-20 13:27:40,738 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@153b9fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:40, skipping insertion in model container [2024-09-20 13:27:40,738 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:40" (4/4) ... [2024-09-20 13:27:40,739 INFO L79 RefereeObserver]: Analyzing ICFG geo2-ll_unwindbound1.c [2024-09-20 13:27:40,744 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:27:40,744 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:27:40,745 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:40,745 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:27:40,745 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 13:27:40,745 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:40,745 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:40,745 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:40,745 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:27:40,746 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-20 13:27:40,830 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:27:40,831 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:40,832 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:40,840 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:40,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:40,848 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:40,950 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:27:40,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:40,951 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:40,951 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:40,952 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:40,970 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:44,995 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:45,016 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:27:45,016 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:45,016 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:45,016 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:45,016 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:45,017 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:45,037 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:27:45,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:45,038 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:45,038 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:45,038 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:45,039 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:49,050 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:49,069 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:27:49,069 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:49,069 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:49,069 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:49,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:49,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:49,075 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:27:49,075 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:49,075 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:49,076 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:49,076 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:49,076 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:49,085 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:27:49,106 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:27:49,106 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:49,107 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:49,107 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:49,107 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:49,107 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:49,123 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:27:49,123 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:49,123 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:49,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:49,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:49,124 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:53,128 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:27:53,147 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:53,147 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:53,148 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:53,148 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:53,148 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:53,148 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:53,149 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:53,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:53,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:53,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:53,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:53,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:53,151 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:27:53,160 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:27:53,160 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:53,160 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:53,161 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:53,161 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:53,161 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:53,163 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:27:53,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:53,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:53,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:53,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:53,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:53,166 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:53,174 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:27:53,175 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:53,175 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:53,175 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:53,175 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:53,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:53,177 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:27:53,177 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:53,177 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:53,177 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:53,177 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:53,177 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:53,179 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:27:53,187 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:27:53,187 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:53,188 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:53,188 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:53,188 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:53,188 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:53,208 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:27:53,208 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:53,209 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:53,209 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:53,209 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:53,209 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:27:53,211 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:27:53,214 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:27:53,215 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@153b9fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:27:53, skipping insertion in model container [2024-09-20 13:27:53,215 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:27:53,218 INFO L158 Benchmark]: Toolchain (without parser) took 13180.32ms. Allocated memory is still 180.4MB. Free memory was 106.4MB in the beginning and 111.9MB in the end (delta: -5.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-20 13:27:53,219 INFO L158 Benchmark]: Witness Parser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:53,220 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 180.4MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:27:53,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.96ms. Allocated memory is still 180.4MB. Free memory was 106.1MB in the beginning and 92.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:53,221 INFO L158 Benchmark]: Boogie Preprocessor took 49.58ms. Allocated memory is still 180.4MB. Free memory was 92.6MB in the beginning and 90.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:27:53,222 INFO L158 Benchmark]: RCFGBuilder took 330.70ms. Allocated memory is still 180.4MB. Free memory was 90.5MB in the beginning and 76.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:27:53,223 INFO L158 Benchmark]: Referee took 12479.67ms. Allocated memory is still 180.4MB. Free memory was 76.2MB in the beginning and 111.9MB in the end (delta: -35.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-20 13:27:53,226 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 34 to check that procedure precondition always holds at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. 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 16. Annotation is valid for all loop-free paths from loop head at line 34 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.19ms. Allocated memory is still 121.6MB. Free memory is still 84.3MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.19ms. Allocated memory is still 180.4MB. Free memory is still 153.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.96ms. Allocated memory is still 180.4MB. Free memory was 106.1MB in the beginning and 92.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.58ms. Allocated memory is still 180.4MB. Free memory was 92.6MB in the beginning and 90.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 330.70ms. Allocated memory is still 180.4MB. Free memory was 90.5MB in the beginning and 76.2MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12479.67ms. Allocated memory is still 180.4MB. Free memory was 76.2MB in the beginning and 111.9MB in the end (delta: -35.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:27:53,255 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-f1d7dc9-m [2024-09-20 13:27:55,402 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 13:27:55,473 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 13:27:55,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 13:27:55,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 13:27:55,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 13:27:55,513 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 13:27:55,514 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 13:27:55,514 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 13:27:55,515 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 13:27:55,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 13:27:55,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 13:27:55,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 13:27:55,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 13:27:55,518 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 13:27:55,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 13:27:55,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 13:27:55,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 13:27:55,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 13:27:55,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 13:27:55,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 13:27:55,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 13:27:55,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 13:27:55,521 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 13:27:55,521 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 13:27:55,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 13:27:55,522 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 13:27:55,522 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 13:27:55,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 13:27:55,522 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 13:27:55,523 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 13:27:55,523 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 13:27:55,523 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 13:27:55,523 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 13:27:55,524 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 13:27:55,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:55,524 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 13:27:55,525 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 13:27:55,525 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 13:27:55,525 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 13:27:55,525 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 13:27:55,526 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 13:27:55,526 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 13:27:55,526 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 13:27:55,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 13:27:55,527 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 13:27:55,527 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 13:27:55,842 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 13:27:55,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 13:27:55,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 13:27:55,865 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 13:27:55,866 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 13:27:55,867 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-20 13:27:57,359 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 13:27:57,570 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 13:27:57,571 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-20 13:27:57,582 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a45ccb6c1/9b2d3c8786b641f9afb24f4ed5e609a6/FLAG7727eb241 [2024-09-20 13:27:57,936 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a45ccb6c1/9b2d3c8786b641f9afb24f4ed5e609a6 [2024-09-20 13:27:57,939 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 13:27:57,940 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 13:27:57,942 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/geo2-ll_unwindbound1.yml/witness-2.1.yml [2024-09-20 13:27:57,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 13:27:58,000 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 13:27:58,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:58,002 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 13:27:58,007 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 13:27:58,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:57" (1/2) ... [2024-09-20 13:27:58,013 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d78fb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:58, skipping insertion in model container [2024-09-20 13:27:58,013 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:27:57" (1/2) ... [2024-09-20 13:27:58,014 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@48fd4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:27:58, skipping insertion in model container [2024-09-20 13:27:58,014 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:57" (2/2) ... [2024-09-20 13:27:58,015 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34d78fb0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58, skipping insertion in model container [2024-09-20 13:27:58,015 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:57" (2/2) ... [2024-09-20 13:27:58,023 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 13:27:58,024 INFO L1541 ArrayList]: Loop invariant at [L34-L43] (((((y == 1) && (x == 1)) && (counter == 0)) || (((z == y) && (1 <= counter)) && (x == ((long long) z + 1)))) && (\old(counter) == 0)) [2024-09-20 13:27:58,024 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 13:27:58,024 INFO L1541 ArrayList]: Function contract at [L24]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 13:27:58,042 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 13:27:58,204 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] [2024-09-20 13:27:58,229 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:58,243 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-20 13:27:58,280 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 13:27:58,306 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 13:27:58,322 INFO L204 MainTranslator]: Completed translation [2024-09-20 13:27:58,323 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58 WrapperNode [2024-09-20 13:27:58,323 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 13:27:58,324 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 13:27:58,325 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 13:27:58,325 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 13:27:58,337 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,338 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,346 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,356 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-20 13:27:58,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,357 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,367 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,372 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,373 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 13:27:58,381 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 13:27:58,381 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 13:27:58,381 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 13:27:58,382 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (1/1) ... [2024-09-20 13:27:58,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 13:27:58,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 13:27:58,412 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-20 13:27:58,417 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-20 13:27:58,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 13:27:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 13:27:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 13:27:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 13:27:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 13:27:58,461 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 13:27:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 13:27:58,461 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 13:27:58,462 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 13:27:58,463 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 13:27:58,532 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 13:27:58,536 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 13:27:58,588 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:59,244 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 13:27:59,267 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 13:27:59,289 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 13:27:59,290 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 13:27:59,293 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:59 BoogieIcfgContainer [2024-09-20 13:27:59,293 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 13:27:59,294 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 13:27:59,294 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 13:27:59,295 INFO L274 PluginConnector]: Referee initialized [2024-09-20 13:27:59,295 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 01:27:57" (1/4) ... [2024-09-20 13:27:59,295 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14e65601 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 01:27:59, skipping insertion in model container [2024-09-20 13:27:59,295 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 01:27:57" (2/4) ... [2024-09-20 13:27:59,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14e65601 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:59, skipping insertion in model container [2024-09-20 13:27:59,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 01:27:58" (3/4) ... [2024-09-20 13:27:59,296 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14e65601 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 01:27:59, skipping insertion in model container [2024-09-20 13:27:59,296 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:27:59" (4/4) ... [2024-09-20 13:27:59,297 INFO L79 RefereeObserver]: Analyzing ICFG geo2-ll_unwindbound1.c [2024-09-20 13:27:59,301 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 13:27:59,302 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 13:27:59,302 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 13:27:59,302 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-20 13:27:59,302 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-20 13:27:59,302 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:59,302 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 13:27:59,303 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 13:27:59,303 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 13:27:59,303 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location [2024-09-20 13:27:59,367 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 13:27:59,368 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:27:59,368 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:27:59,369 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:27:59,370 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:27:59,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:59,427 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 13:27:59,430 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:27:59,430 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:27:59,431 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:27:59,431 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:27:59,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:03,495 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 13:28:03,520 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 13:28:03,520 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:03,520 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:03,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:03,520 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:03,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,534 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 13:28:03,534 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,534 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:03,537 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:03,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:03,538 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:03,629 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:03,659 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 13:28:03,659 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:03,659 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:03,659 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:03,660 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:03,660 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,662 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 13:28:03,663 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:03,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:03,663 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:03,663 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:03,673 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:03,695 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-20 13:28:03,695 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:03,695 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:03,696 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:03,696 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:03,696 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,727 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-20 13:28:03,728 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,728 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:03,728 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:03,728 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:03,729 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:03,938 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 13:28:03,957 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:03,957 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:03,958 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:03,958 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:03,958 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:03,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,959 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:03,959 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:03,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:03,960 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:03,960 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:03,961 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 13:28:03,972 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 13:28:03,973 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:03,974 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:03,974 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:03,974 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:03,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,977 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 13:28:03,978 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:03,978 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:03,978 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:03,979 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:03,979 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:03,985 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:03,999 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 13:28:03,999 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:03,999 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:03,999 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:04,000 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:04,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:04,001 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 13:28:04,002 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:04,002 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:04,003 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:04,003 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:04,003 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:04,005 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 13:28:04,018 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 13:28:04,018 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 13:28:04,018 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 13:28:04,018 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 13:28:04,018 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 13:28:04,019 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:04,037 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 13:28:04,037 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 13:28:04,037 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 13:28:04,037 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 13:28:04,037 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 13:28:04,038 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 13:28:04,042 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 13:28:04,045 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 13:28:04,047 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@14e65601 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 01:28:04, skipping insertion in model container [2024-09-20 13:28:04,048 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 13:28:04,050 INFO L158 Benchmark]: Toolchain (without parser) took 6048.83ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 36.5MB in the beginning and 33.0MB in the end (delta: 3.5MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2024-09-20 13:28:04,050 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 48.2MB. Free memory was 29.6MB in the beginning and 29.5MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:04,050 INFO L158 Benchmark]: Witness Parser took 0.11ms. Allocated memory is still 62.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 13:28:04,051 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.13ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 41.9MB in the end (delta: -5.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:04,051 INFO L158 Benchmark]: Boogie Preprocessor took 55.67ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 39.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 13:28:04,052 INFO L158 Benchmark]: RCFGBuilder took 912.76ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 25.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 13:28:04,053 INFO L158 Benchmark]: Referee took 4753.83ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 25.0MB in the beginning and 33.0MB in the end (delta: -8.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2024-09-20 13:28:04,055 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 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. 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 16. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 34 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 48.2MB. Free memory was 29.6MB in the beginning and 29.5MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.11ms. Allocated memory is still 62.9MB. Free memory is still 38.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.13ms. Allocated memory is still 62.9MB. Free memory was 36.2MB in the beginning and 41.9MB in the end (delta: -5.8MB). Peak memory consumption was 16.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.67ms. Allocated memory is still 62.9MB. Free memory was 41.9MB in the beginning and 39.7MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 912.76ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 25.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 4753.83ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 25.0MB in the beginning and 33.0MB in the end (delta: -8.0MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 13:28:04,096 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...