This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:08:10,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:08:10,926 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:08:10,935 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:08:10,941 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:08:10,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:08:10,997 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:08:10,998 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:08:10,998 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:08:10,999 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:08:10,999 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:08:11,027 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:08:11,028 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:08:11,028 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:08:11,028 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:08:11,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:08:11,029 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:08:11,033 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:08:11,033 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:08:11,033 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:08:11,034 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:08:11,034 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:08:11,034 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:08:11,034 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:08:11,035 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:08:11,035 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:08:11,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:08:11,035 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:08:11,035 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:08:11,036 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:08:11,036 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:08:11,036 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:08:11,040 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:08:11,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:11,040 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:08:11,040 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:08:11,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:08:11,041 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:08:11,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:08:11,041 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:08:11,041 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:08:11,041 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:08:11,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:08:11,042 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:08:11,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:08:11,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:08:11,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:08:11,303 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:08:11,304 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:08:11,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops-crafted-1/sumt6.c [2024-09-13 10:08:12,697 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:08:12,839 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:08:12,839 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops-crafted-1/sumt6.c [2024-09-13 10:08:12,849 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/11d9687ff/fea5c8f5632a4a44a7d67779da82172a/FLAGe2b7900e2 [2024-09-13 10:08:12,861 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/11d9687ff/fea5c8f5632a4a44a7d67779da82172a [2024-09-13 10:08:12,864 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:08:12,864 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:08:12,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/sumt6.yml/witness-2.1.yml [2024-09-13 10:08:12,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:08:12,921 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:08:12,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:12,923 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:08:12,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:08:12,928 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:12" (1/2) ... [2024-09-13 10:08:12,929 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf3d784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:12, skipping insertion in model container [2024-09-13 10:08:12,929 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:08:12" (1/2) ... [2024-09-13 10:08:12,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@578ecd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:08:12, skipping insertion in model container [2024-09-13 10:08:12,930 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:12" (2/2) ... [2024-09-13 10:08:12,931 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cf3d784 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:12, skipping insertion in model container [2024-09-13 10:08:12,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:12" (2/2) ... [2024-09-13 10:08:12,938 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:08:12,940 INFO L1541 ArrayList]: Loop invariant at [L21-L36] (((((((i + k) + j) + v3) + v2) + v4) % 4294967296) == (l % 4294967296)) [2024-09-13 10:08:12,940 INFO L1541 ArrayList]: Function contract at [L8]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-13 10:08:12,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:08:13,088 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/loops-crafted-1/sumt6.c[403,416] [2024-09-13 10:08:13,102 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:13,111 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:08:13,145 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/loops-crafted-1/sumt6.c[403,416] Start Parsing Local [2024-09-13 10:08:13,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:08:13,178 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:08:13,178 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13 WrapperNode [2024-09-13 10:08:13,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:08:13,179 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:08:13,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:08:13,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:08:13,193 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,202 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,214 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:08:13,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,224 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,232 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,233 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,238 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,239 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:08:13,240 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:08:13,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:08:13,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:08:13,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (1/1) ... [2024-09-13 10:08:13,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:08:13,264 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:08:13,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:08:13,300 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:08:13,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:08:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:08:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:08:13,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:08:13,343 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:08:13,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:08:13,343 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:08:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:08:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:08:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:08:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:08:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:08:13,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:08:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:08:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:08:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:08:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:08:13,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:08:13,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:08:13,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:08:13,400 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:08:13,402 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:08:13,559 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:08:13,606 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:08:13,640 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:08:13,640 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:08:13,640 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:13 BoogieIcfgContainer [2024-09-13 10:08:13,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:08:13,641 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:08:13,641 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:08:13,642 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:08:13,642 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:08:12" (1/4) ... [2024-09-13 10:08:13,642 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b7e3dd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:08:13, skipping insertion in model container [2024-09-13 10:08:13,642 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:08:12" (2/4) ... [2024-09-13 10:08:13,642 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b7e3dd1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:13, skipping insertion in model container [2024-09-13 10:08:13,643 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:08:13" (3/4) ... [2024-09-13 10:08:13,643 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b7e3dd1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:08:13, skipping insertion in model container [2024-09-13 10:08:13,643 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:08:13" (4/4) ... [2024-09-13 10:08:13,644 INFO L79 RefereeObserver]: Analyzing ICFG sumt6.c [2024-09-13 10:08:13,646 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:08:13,647 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:08:13,647 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 10:08:13,647 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L21-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 14 edges. [2024-09-13 10:08:13,647 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:08:13,647 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:08:13,648 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:08:13,691 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:08:13,692 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:13,693 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:13,693 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:13,696 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:13,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,720 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:08:13,721 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,721 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:13,721 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:13,722 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:13,729 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:13,743 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:08:13,765 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:13,766 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:13,766 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:13,766 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:13,766 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:13,766 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,774 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:13,774 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,774 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:13,774 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:13,774 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:13,774 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:13,786 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:13,806 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 14 edges [2024-09-13 10:08:13,806 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:13,806 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:13,806 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:13,807 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:13,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,860 INFO L101 BaseMinimizeStates]: Removed 32 edges and 8 locations by large block encoding [2024-09-13 10:08:13,861 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,861 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:13,861 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:13,861 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:13,873 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:13,943 INFO L514 InvariantChecker]: The annotation(s) from loop head L21-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:08:13,951 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:08:13,952 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:13,952 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:13,952 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:13,952 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:13,952 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,955 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:08:13,955 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,955 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:13,956 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:13,956 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:13,956 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:13,957 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:08:13,962 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:08:13,963 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:08:13,963 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:08:13,963 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:08:13,963 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:08:13,963 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,964 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:08:13,964 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:08:13,964 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:08:13,964 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:08:13,964 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:08:13,965 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:08:13,966 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:08:13,969 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 10:08:13,969 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2b7e3dd1 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:08:13, skipping insertion in model container [2024-09-13 10:08:13,969 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:08:13,970 INFO L158 Benchmark]: Toolchain (without parser) took 1049.24ms. Allocated memory is still 243.3MB. Free memory was 172.0MB in the beginning and 182.2MB in the end (delta: -10.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:13,971 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:13,971 INFO L158 Benchmark]: Witness Parser took 0.12ms. Allocated memory is still 243.3MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:08:13,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 256.46ms. Allocated memory is still 243.3MB. Free memory was 172.0MB in the beginning and 158.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:08:13,972 INFO L158 Benchmark]: Boogie Preprocessor took 60.01ms. Allocated memory is still 243.3MB. Free memory was 158.2MB in the beginning and 156.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:08:13,972 INFO L158 Benchmark]: RCFGBuilder took 400.51ms. Allocated memory is still 243.3MB. Free memory was 156.3MB in the beginning and 211.5MB in the end (delta: -55.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-09-13 10:08:13,973 INFO L158 Benchmark]: Referee took 328.34ms. Allocated memory is still 243.3MB. Free memory was 211.5MB in the beginning and 182.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-09-13 10:08:13,975 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 10. Annotation is valid for all loop-free paths from loop head at line 21 to loop head at line 21. Annotation is valid for all loop-free paths from loop head at line 21 to check that procedure precondition always holds at line 21. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 21. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 121.6MB. Free memory is still 90.8MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.12ms. Allocated memory is still 243.3MB. Free memory is still 174.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 256.46ms. Allocated memory is still 243.3MB. Free memory was 172.0MB in the beginning and 158.2MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.01ms. Allocated memory is still 243.3MB. Free memory was 158.2MB in the beginning and 156.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 400.51ms. Allocated memory is still 243.3MB. Free memory was 156.3MB in the beginning and 211.5MB in the end (delta: -55.3MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. * Referee took 328.34ms. Allocated memory is still 243.3MB. Free memory was 211.5MB in the beginning and 182.2MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:08:14,002 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...