This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:07:37,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:07:37,860 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:07:37,868 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:07:37,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:07:37,900 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:07:37,901 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:07:37,901 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:07:37,902 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:07:37,905 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:07:37,906 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:07:37,906 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:07:37,907 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:07:37,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:07:37,907 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:07:37,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:07:37,908 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:07:37,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:07:37,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:07:37,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:07:37,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:07:37,911 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:07:37,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:07:37,911 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:07:37,912 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:07:37,912 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:07:37,912 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:07:37,912 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:07:37,914 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:07:37,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:07:37,914 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:07:37,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:07:37,915 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:07:37,915 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:37,916 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:07:37,916 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:07:37,916 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:07:37,917 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:07:37,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:07:37,917 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:07:37,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:07:37,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:07:37,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:07:37,919 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:07:38,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:07:38,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:07:38,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:07:38,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:07:38,180 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:07:38,182 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2024-09-13 10:07:39,631 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:07:39,823 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:07:39,824 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-lit/cggmp2005_variant.i [2024-09-13 10:07:39,831 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c24f1778c/0877d2735c9c4f6a8289e1557c72e616/FLAGb6916279a [2024-09-13 10:07:39,846 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c24f1778c/0877d2735c9c4f6a8289e1557c72e616 [2024-09-13 10:07:39,849 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:07:39,850 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:07:39,851 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cggmp2005_variant.yml/witness-2.1.yml [2024-09-13 10:07:39,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:07:39,905 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:07:39,908 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:39,908 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:07:39,913 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:07:39,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:39" (1/2) ... [2024-09-13 10:07:39,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107f54a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:39, skipping insertion in model container [2024-09-13 10:07:39,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:07:39" (1/2) ... [2024-09-13 10:07:39,918 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7492d070 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:07:39, skipping insertion in model container [2024-09-13 10:07:39,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:39" (2/2) ... [2024-09-13 10:07:39,919 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@107f54a2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:39, skipping insertion in model container [2024-09-13 10:07:39,919 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:39" (2/2) ... [2024-09-13 10:07:39,928 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:07:39,929 INFO L1541 ArrayList]: Loop invariant at [L30-L34] (((lo + ((long long) mid * 2)) == hi) && (lo <= hi)) [2024-09-13 10:07:39,929 INFO L1541 ArrayList]: Function contract at [L17]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:07:39,948 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:07:40,107 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/loop-lit/cggmp2005_variant.i[895,908] [2024-09-13 10:07:40,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:40,129 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:07:40,167 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/loop-lit/cggmp2005_variant.i[895,908] Start Parsing Local [2024-09-13 10:07:40,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:07:40,192 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:07:40,193 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40 WrapperNode [2024-09-13 10:07:40,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:07:40,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:07:40,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:07:40,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:07:40,207 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,213 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,227 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:07:40,227 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,227 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,241 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,242 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:07:40,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:07:40,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:07:40,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:07:40,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (1/1) ... [2024-09-13 10:07:40,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:07:40,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:07:40,278 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:07:40,280 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:07:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:07:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:07:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:07:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:07:40,321 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:07:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:07:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:07:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:07:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2024-09-13 10:07:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2024-09-13 10:07:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:07:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:07:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:07:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:07:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:07:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:07:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:07:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:07:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:07:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:07:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:07:40,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:07:40,387 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:07:40,389 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:07:40,481 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:07:40,491 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:07:40,526 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:07:40,528 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:07:40,528 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:40 BoogieIcfgContainer [2024-09-13 10:07:40,528 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:07:40,529 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:07:40,530 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:07:40,531 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:07:40,531 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:07:39" (1/4) ... [2024-09-13 10:07:40,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8f070e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:07:40, skipping insertion in model container [2024-09-13 10:07:40,532 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:07:39" (2/4) ... [2024-09-13 10:07:40,532 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8f070e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:40, skipping insertion in model container [2024-09-13 10:07:40,532 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:07:40" (3/4) ... [2024-09-13 10:07:40,533 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8f070e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:07:40, skipping insertion in model container [2024-09-13 10:07:40,533 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:07:40" (4/4) ... [2024-09-13 10:07:40,534 INFO L79 RefereeObserver]: Analyzing ICFG cggmp2005_variant.i [2024-09-13 10:07:40,539 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:07:40,540 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:40,540 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 3 edges. [2024-09-13 10:07:40,541 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L30-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:07:40,541 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:07:40,541 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:07:40,541 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location [2024-09-13 10:07:40,575 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:40,576 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:40,576 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:40,577 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:40,578 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:40,580 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,592 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:40,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,594 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:40,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:40,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:40,596 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:40,610 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:40,622 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:40,622 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:40,623 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:40,623 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:40,623 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:40,623 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,628 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:40,629 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:40,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:40,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:40,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:40,636 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:07:40,644 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:07:40,645 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:40,645 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:40,645 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:40,645 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:40,645 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,650 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:07:40,650 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,650 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:40,650 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:40,651 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:40,660 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:40,664 INFO L514 InvariantChecker]: The annotation(s) from loop head L30-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:07:40,672 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:07:40,672 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:40,672 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:40,672 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:40,673 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:40,673 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,676 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:07:40,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:40,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:40,677 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:40,678 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:40,680 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:07:40,687 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:07:40,687 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:07:40,687 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:07:40,688 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:07:40,688 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:07:40,688 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,690 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:07:40,690 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:07:40,690 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:07:40,690 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:07:40,690 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:07:40,691 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:07:40,692 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:07:40,697 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:07:40,698 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@8f070e5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:07:40, skipping insertion in model container [2024-09-13 10:07:40,698 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:07:40,700 INFO L158 Benchmark]: Toolchain (without parser) took 794.15ms. Allocated memory is still 161.5MB. Free memory was 102.6MB in the beginning and 61.8MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-09-13 10:07:40,701 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 161.5MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:40,701 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 104.5MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:07:40,702 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.44ms. Allocated memory is still 161.5MB. Free memory was 102.4MB in the beginning and 89.0MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:07:40,702 INFO L158 Benchmark]: Boogie Preprocessor took 48.78ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:07:40,703 INFO L158 Benchmark]: RCFGBuilder took 283.61ms. Allocated memory is still 161.5MB. Free memory was 87.0MB in the beginning and 74.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:40,703 INFO L158 Benchmark]: Referee took 168.47ms. Allocated memory is still 161.5MB. Free memory was 74.8MB in the beginning and 61.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:07:40,706 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 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 19. Annotation is valid for all loop-free paths from loop head at line 30 to loop head at line 30. Annotation is valid for all loop-free paths from loop head at line 30 to check that procedure precondition always holds at line 30. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 30. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 161.5MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.14ms. Allocated memory is still 161.5MB. Free memory was 104.5MB in the beginning and 104.5MB in the end (delta: 29.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 285.44ms. Allocated memory is still 161.5MB. Free memory was 102.4MB in the beginning and 89.0MB in the end (delta: 13.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.78ms. Allocated memory is still 161.5MB. Free memory was 89.0MB in the beginning and 87.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 283.61ms. Allocated memory is still 161.5MB. Free memory was 87.0MB in the beginning and 74.8MB in the end (delta: 12.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Referee took 168.47ms. Allocated memory is still 161.5MB. Free memory was 74.8MB in the beginning and 61.8MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:07:40,730 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...