This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:07:53,113 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:07:53,187 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:07:53,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:07:53,196 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:07:53,221 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:07:53,222 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:07:53,223 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:07:53,223 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:07:53,224 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:07:53,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:07:53,225 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:07:53,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:07:53,227 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:07:53,227 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:07:53,228 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:07:53,228 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:07:53,228 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:07:53,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:07:53,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:07:53,229 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:07:53,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:07:53,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:07:53,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:07:53,234 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:07:53,234 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:07:53,235 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:07:53,235 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:07:53,235 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:07:53,235 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:07:53,236 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:07:53,236 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:07:53,236 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:07:53,236 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:53,237 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:07:53,237 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:07:53,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:07:53,239 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:07:53,239 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:07:53,240 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:07:53,240 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:07:53,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:07:53,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:07:53,241 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:07:53,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:07:53,523 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:07:53,525 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:07:53,526 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:07:53,527 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:07:53,528 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-09-21 19:07:54,950 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:07:55,138 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:07:55,139 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2024-09-21 19:07:55,146 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/9e78ea442/e7855bbaea6b48eaaef709572abee5e9/FLAG7f33f4295 [2024-09-21 19:07:55,159 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/9e78ea442/e7855bbaea6b48eaaef709572abee5e9 [2024-09-21 19:07:55,162 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:07:55,162 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:07:55,163 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/bin-suffix-5.yml/output/witness-2.1.yml [2024-09-21 19:07:55,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:07:55,218 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:07:55,221 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:55,221 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:07:55,226 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:07:55,227 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:55" (1/2) ... [2024-09-21 19:07:55,230 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8f3277 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:55, skipping insertion in model container [2024-09-21 19:07:55,230 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:07:55" (1/2) ... [2024-09-21 19:07:55,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4eca2bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:07:55, skipping insertion in model container [2024-09-21 19:07:55,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:55" (2/2) ... [2024-09-21 19:07:55,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8f3277 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:55, skipping insertion in model container [2024-09-21 19:07:55,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:55" (2/2) ... [2024-09-21 19:07:55,239 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:07:55,240 INFO L1541 ArrayList]: Loop invariant at [L20-L22] ( ( ( 5 & ( 8 + x ) ) == 5 ) || ( ( 5 & x ) == 5 ) ) [2024-09-21 19:07:55,240 INFO L1541 ArrayList]: Function contract at [L12]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:55,240 INFO L1541 ArrayList]: Function contract at [L18]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:07:55,259 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:07:55,426 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/loop-invariants/bin-suffix-5.c[588,601] [2024-09-21 19:07:55,456 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:55,466 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:07:55,503 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/loop-invariants/bin-suffix-5.c[588,601] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-21 19:07:55,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:07:55,519 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:07:55,520 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:07:55 WrapperNode [2024-09-21 19:07:55,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:07:55,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:07:55,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:07:55,521 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:07:55,533 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,534 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,540 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,555 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 [2024-09-21 19:07:55,555 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,555 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,561 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,567 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,570 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,571 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,577 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:07:55,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:07:55,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:07:55,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:07:55,579 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 21.09 07:07:55" (1/1) ... [2024-09-21 19:07:55,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:07:55,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:07:55,610 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) [2024-09-21 19:07:55,616 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 [2024-09-21 19:07:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:07:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:07:55,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:07:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:07:55,659 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:07:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:07:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:07:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:07:55,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:07:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:07:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:07:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:07:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:07:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:07:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:07:55,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:07:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:07:55,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:07:55,732 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:07:55,736 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:07:55,765 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:55,906 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:07:55,916 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:07:55,940 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:07:55,940 INFO L318 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-21 19:07:55,941 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:55 BoogieIcfgContainer [2024-09-21 19:07:55,941 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:07:55,942 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:07:55,942 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:07:55,943 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:07:55,943 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:07:55" (1/4) ... [2024-09-21 19:07:55,944 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@355a3893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:07:55, skipping insertion in model container [2024-09-21 19:07:55,944 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:07:55" (2/4) ... [2024-09-21 19:07:55,944 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@355a3893 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:55, skipping insertion in model container [2024-09-21 19:07:55,945 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 21.09 07:07:55" (3/4) ... [2024-09-21 19:07:55,945 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@355a3893 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:07:55, skipping insertion in model container [2024-09-21 19:07:55,945 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:07:55" (4/4) ... [2024-09-21 19:07:55,946 INFO L79 RefereeObserver]: Analyzing ICFG bin-suffix-5.c [2024-09-21 19:07:55,950 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-21 19:07:55,955 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-25 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:07:55,956 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 12 edges. [2024-09-21 19:07:55,956 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:07:55,956 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:07:55,956 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-25 to ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 13 edges. [2024-09-21 19:07:55,956 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:07:55,957 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L20-25 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 19:07:55,957 INFO L131 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 4 loop-free subgraphs from procedure entry to error location [2024-09-21 19:07:56,024 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 9 edges [2024-09-21 19:07:56,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:56,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:56,026 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:56,027 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:56,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,051 INFO L101 BaseMinimizeStates]: Removed 18 edges and 5 locations by large block encoding [2024-09-21 19:07:56,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,052 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:56,052 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:56,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:56,057 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:56,070 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-25 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:56,102 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 12 edges [2024-09-21 19:07:56,103 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:56,103 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:56,103 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:56,103 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:56,103 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,189 INFO L101 BaseMinimizeStates]: Removed 32 edges and 7 locations by large block encoding [2024-09-21 19:07:56,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,190 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:56,190 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:56,190 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:56,202 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:56,220 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:07:56,235 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:07:56,238 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:56,238 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:56,238 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:56,238 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:56,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,239 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:07:56,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:56,239 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:56,239 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:56,240 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:56,243 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:07:56,252 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:07:56,252 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:56,252 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:56,253 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:56,253 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:56,253 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,255 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:07:56,255 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,256 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:56,256 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:56,256 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:56,256 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:56,258 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:56,275 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 13 edges [2024-09-21 19:07:56,275 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:56,275 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:56,275 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:56,275 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:56,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,328 INFO L101 BaseMinimizeStates]: Removed 32 edges and 8 locations by large block encoding [2024-09-21 19:07:56,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,328 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:56,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:56,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:56,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:56,371 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:07:56,372 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:56,372 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:56,372 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:56,372 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:56,372 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,374 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:07:56,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,374 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:56,375 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:56,375 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:56,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:56,387 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 11 edges [2024-09-21 19:07:56,387 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:07:56,388 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:07:56,388 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:07:56,388 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:07:56,388 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,404 INFO L101 BaseMinimizeStates]: Removed 33 edges and 7 locations by large block encoding [2024-09-21 19:07:56,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:07:56,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:07:56,407 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:07:56,407 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:07:56,408 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:07:56,410 INFO L520 InvariantChecker]: The annotation(s) from loop head L20-25 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:07:56,418 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:07:56,419 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@355a3893 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:07:56, skipping insertion in model container [2024-09-21 19:07:56,419 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:07:56,422 INFO L158 Benchmark]: Toolchain (without parser) took 1202.58ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 81.3MB in the beginning and 100.0MB in the end (delta: -18.7MB). Peak memory consumption was 20.0MB. Max. memory is 16.1GB. [2024-09-21 19:07:56,423 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory was 105.5MB in the beginning and 105.4MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:56,423 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:07:56,424 INFO L158 Benchmark]: CACSL2BoogieTranslator took 299.66ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 81.0MB in the beginning and 162.9MB in the end (delta: -81.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2024-09-21 19:07:56,426 INFO L158 Benchmark]: Boogie Preprocessor took 55.82ms. Allocated memory is still 192.9MB. Free memory was 162.9MB in the beginning and 160.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:56,426 INFO L158 Benchmark]: RCFGBuilder took 363.45ms. Allocated memory is still 192.9MB. Free memory was 160.8MB in the beginning and 146.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:07:56,427 INFO L158 Benchmark]: Referee took 477.71ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 100.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-09-21 19:07:56,431 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 14. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 20 to check that invariant of correctness witness holds at line 20. 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 loop head at line 20 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 20 to check that procedure precondition always holds at line 23. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 20. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 155.2MB. Free memory was 105.5MB in the beginning and 105.4MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.13ms. Allocated memory is still 155.2MB. Free memory is still 83.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 299.66ms. Allocated memory was 155.2MB in the beginning and 192.9MB in the end (delta: 37.7MB). Free memory was 81.0MB in the beginning and 162.9MB in the end (delta: -81.9MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.82ms. Allocated memory is still 192.9MB. Free memory was 162.9MB in the beginning and 160.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.45ms. Allocated memory is still 192.9MB. Free memory was 160.8MB in the beginning and 146.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 477.71ms. Allocated memory is still 192.9MB. Free memory was 146.1MB in the beginning and 100.0MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:07:56,468 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...