This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:47:45,221 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:45,270 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:47:45,275 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:45,276 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:45,293 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:45,294 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:45,294 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:45,295 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:45,295 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:45,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:45,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:45,296 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:45,296 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:45,297 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:45,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:45,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:45,298 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:45,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:47:45,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:45,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:45,299 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:45,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:45,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:45,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:45,300 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:45,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:45,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:45,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:45,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:45,300 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:45,301 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:45,301 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:45,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:45,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:45,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:45,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:45,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:47:45,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:47:45,302 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:45,302 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:45,302 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:45,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:45,302 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:45,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:45,524 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:45,526 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:45,528 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:45,528 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:45,529 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/geo2-ll_unwindbound1.yml/witness-2.1.yml [2024-09-25 11:47:45,564 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:45,564 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:45,565 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-25 11:47:46,711 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:46,844 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:46,845 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-25 11:47:46,849 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/7e24ab10c/208c4e097efa4cb7b7995659d88ba916/FLAG2d80abefc [2024-09-25 11:47:47,283 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/7e24ab10c/208c4e097efa4cb7b7995659d88ba916 [2024-09-25 11:47:47,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:47,285 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:47,286 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:47,286 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:47,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:47,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:45" (1/2) ... [2024-09-25 11:47:47,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3005baf8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:47, skipping insertion in model container [2024-09-25 11:47:47,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:45" (1/2) ... [2024-09-25 11:47:47,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1a0d1f55 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:47, skipping insertion in model container [2024-09-25 11:47:47,295 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:47" (2/2) ... [2024-09-25 11:47:47,295 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3005baf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47, skipping insertion in model container [2024-09-25 11:47:47,296 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:47" (2/2) ... [2024-09-25 11:47:47,302 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:47,304 INFO L1541 ArrayList]: Loop invariant at [L34-L43] (((((y == 1) && (x == 1)) && (counter == 0)) || (((z == y) && (1 <= counter)) && (x == ((long long) z + 1)))) && (\old(counter) == 0)) [2024-09-25 11:47:47,304 INFO L1541 ArrayList]: Function contract at [L24]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:47,304 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:47:47,316 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:47,429 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] [2024-09-25 11:47:47,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:47,448 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:47:47,472 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:47:47,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:47,489 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:47,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47 WrapperNode [2024-09-25 11:47:47,490 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:47,490 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:47,490 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:47,490 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:47,499 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,504 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,515 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 [2024-09-25 11:47:47,515 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,515 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,521 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,526 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,526 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,527 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:47,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:47,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:47,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:47,532 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (1/1) ... [2024-09-25 11:47:47,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:47,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:47,569 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) [2024-09-25 11:47:47,571 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 [2024-09-25 11:47:47,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:47,605 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:47,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:47,607 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:47:47,607 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:47:47,608 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:47:47,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:47,679 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:47,681 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:47,755 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:47,859 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:47,870 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:47,893 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:47,893 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:47:47,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:47 BoogieIcfgContainer [2024-09-25 11:47:47,893 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:47,894 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:47,894 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:47,895 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:47,895 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:45" (1/4) ... [2024-09-25 11:47:47,895 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46a3f48b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:47, skipping insertion in model container [2024-09-25 11:47:47,895 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:47" (2/4) ... [2024-09-25 11:47:47,895 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46a3f48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:47, skipping insertion in model container [2024-09-25 11:47:47,896 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:47" (3/4) ... [2024-09-25 11:47:47,896 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46a3f48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:47, skipping insertion in model container [2024-09-25 11:47:47,896 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:47" (4/4) ... [2024-09-25 11:47:47,897 INFO L79 RefereeObserver]: Analyzing ICFG geo2-ll_unwindbound1.c [2024-09-25 11:47:47,899 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:47:47,900 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:47,900 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:47,900 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:47:47,900 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:47:47,900 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:47,900 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:47,900 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:47,900 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:47:47,900 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location [2024-09-25 11:47:47,934 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:47:47,934 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:47,935 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:47,935 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:47,937 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:47,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:47,978 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:47:47,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:47,979 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:47,979 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:47,980 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:47,990 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:52,001 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:52,025 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:52,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:52,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:52,025 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:52,025 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:52,025 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:52,034 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:52,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:52,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:52,034 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:52,034 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:52,034 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:56,041 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:47:56,056 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:56,056 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:56,057 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:56,057 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:56,057 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:56,057 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:56,059 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:56,059 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:56,060 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:56,060 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:56,060 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:56,060 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:56,074 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:56,091 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:47:56,092 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:56,092 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:56,092 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:56,092 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:56,092 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:56,110 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:47:56,111 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:56,111 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:56,111 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:56,111 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:56,111 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:00,122 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:00,137 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:00,140 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:00,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:00,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:00,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:00,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:00,141 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:00,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:00,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:00,141 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:00,141 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:00,141 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:00,147 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:00,158 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:00,159 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:00,159 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:00,159 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:00,159 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:00,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:00,161 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:00,162 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:00,162 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:00,162 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:00,162 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:00,164 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:00,168 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:00,180 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:00,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:00,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:00,181 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:00,181 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:00,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:00,182 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:00,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:00,183 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:00,183 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:00,183 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:00,184 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:00,185 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:00,193 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:00,193 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:00,193 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:00,193 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:00,193 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:00,194 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:00,216 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:00,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:00,218 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:00,219 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:00,219 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:00,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:00,222 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:00,224 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:00,225 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@46a3f48b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:00, skipping insertion in model container [2024-09-25 11:48:00,225 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:00,227 INFO L158 Benchmark]: Toolchain (without parser) took 12941.41ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 80.7MB in the end (delta: 40.1MB). Peak memory consumption was 38.0MB. Max. memory is 16.1GB. [2024-09-25 11:48:00,228 INFO L158 Benchmark]: Witness Parser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:00,229 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:00,229 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.30ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 106.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:00,230 INFO L158 Benchmark]: Boogie Preprocessor took 40.25ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:00,230 INFO L158 Benchmark]: RCFGBuilder took 362.16ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 121.6MB in the end (delta: -17.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:00,231 INFO L158 Benchmark]: Referee took 12331.76ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 80.7MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2024-09-25 11:48:00,233 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 34 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 75.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.10ms. Allocated memory is still 104.9MB. Free memory is still 73.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.30ms. Allocated memory is still 159.4MB. Free memory was 120.8MB in the beginning and 106.1MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.25ms. Allocated memory is still 159.4MB. Free memory was 106.1MB in the beginning and 104.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 362.16ms. Allocated memory is still 159.4MB. Free memory was 104.0MB in the beginning and 121.6MB in the end (delta: -17.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 12331.76ms. Allocated memory is still 159.4MB. Free memory was 121.6MB in the beginning and 80.7MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:00,257 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-tmp.dk.referee-eval-fb1cb0b-m [2024-09-25 11:48:01,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:48:01,991 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-25 11:48:01,996 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:48:01,997 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:48:02,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:48:02,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:48:02,022 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:48:02,022 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:48:02,023 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:48:02,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:48:02,024 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:48:02,025 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:48:02,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:48:02,027 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:48:02,028 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:48:02,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:48:02,028 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:48:02,028 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:48:02,028 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:48:02,028 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:48:02,029 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:48:02,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:48:02,031 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-25 11:48:02,031 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-25 11:48:02,031 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:48:02,031 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-25 11:48:02,032 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:48:02,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:48:02,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:48:02,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:48:02,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:48:02,032 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:48:02,032 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:48:02,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:48:02,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:02,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:48:02,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:48:02,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:48:02,033 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-25 11:48:02,033 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-25 11:48:02,034 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:48:02,034 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:48:02,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:48:02,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:48:02,035 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-25 11:48:02,035 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:48:02,270 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:48:02,292 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:48:02,295 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:48:02,296 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:48:02,296 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:48:02,298 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-25 11:48:03,551 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:48:03,690 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:48:03,690 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-09-25 11:48:03,698 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/8fac3af86/dcae2755b45d40989623ec130eeb471e/FLAGe196febb1 [2024-09-25 11:48:04,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/8fac3af86/dcae2755b45d40989623ec130eeb471e [2024-09-25 11:48:04,113 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:48:04,113 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:48:04,114 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/geo2-ll_unwindbound1.yml/witness-2.1.yml [2024-09-25 11:48:04,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:48:04,158 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:48:04,160 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:04,160 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:48:04,165 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:48:04,165 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:04" (1/2) ... [2024-09-25 11:48:04,166 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8ca67a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:04, skipping insertion in model container [2024-09-25 11:48:04,167 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:48:04" (1/2) ... [2024-09-25 11:48:04,168 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@457549a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:48:04, skipping insertion in model container [2024-09-25 11:48:04,169 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:04" (2/2) ... [2024-09-25 11:48:04,169 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c8ca67a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:04, skipping insertion in model container [2024-09-25 11:48:04,169 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:04" (2/2) ... [2024-09-25 11:48:04,175 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:48:04,182 INFO L1541 ArrayList]: Loop invariant at [L34-L43] (((((y == 1) && (x == 1)) && (counter == 0)) || (((z == y) && (1 <= counter)) && (x == ((long long) z + 1)))) && (\old(counter) == 0)) [2024-09-25 11:48:04,182 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= cond), ensures ((counter == \old(counter)) && (1 <= cond)) [2024-09-25 11:48:04,182 INFO L1541 ArrayList]: Function contract at [L24]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:48:04,195 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:48:04,309 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] [2024-09-25 11:48:04,329 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:04,338 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-25 11:48:04,369 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-25 11:48:04,380 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:48:04,393 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:48:04,394 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:48:04 WrapperNode [2024-09-25 11:48:04,394 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:48:04,395 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:48:04,395 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:48:04,395 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:48:04,404 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,405 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,412 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,425 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 [2024-09-25 11:48:04,425 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,425 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,430 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,434 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,439 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,439 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,441 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:48:04,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:48:04,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:48:04,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:48:04,442 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 25.09 11:48:04" (1/1) ... [2024-09-25 11:48:04,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:48:04,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:48:04,465 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) [2024-09-25 11:48:04,467 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 [2024-09-25 11:48:04,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:48:04,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:48:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:48:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:48:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:48:04,503 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:48:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:48:04,503 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:48:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:48:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:48:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:48:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:48:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:48:04,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:48:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:48:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-25 11:48:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:48:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-25 11:48:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-25 11:48:04,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:48:04,568 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:48:04,570 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:48:04,616 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:05,116 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:48:05,134 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:48:05,161 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:48:05,161 INFO L317 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-25 11:48:05,161 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:05 BoogieIcfgContainer [2024-09-25 11:48:05,161 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:48:05,162 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:48:05,162 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:48:05,162 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:48:05,162 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:48:04" (1/4) ... [2024-09-25 11:48:05,163 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6efd42e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:48:05, skipping insertion in model container [2024-09-25 11:48:05,163 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:48:04" (2/4) ... [2024-09-25 11:48:05,163 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6efd42e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:05, skipping insertion in model container [2024-09-25 11:48:05,163 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 25.09 11:48:04" (3/4) ... [2024-09-25 11:48:05,165 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6efd42e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:48:05, skipping insertion in model container [2024-09-25 11:48:05,165 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:48:05" (4/4) ... [2024-09-25 11:48:05,166 INFO L79 RefereeObserver]: Analyzing ICFG geo2-ll_unwindbound1.c [2024-09-25 11:48:05,168 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-25 11:48:05,169 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:48:05,169 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:48:05,169 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-25 11:48:05,169 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-25 11:48:05,169 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:05,169 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:48:05,170 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:48:05,170 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L34-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-25 11:48:05,170 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-25 11:48:05,207 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-25 11:48:05,208 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:05,208 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:05,209 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:05,209 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:05,211 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,256 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-25 11:48:05,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:05,259 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:05,259 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:05,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:05,269 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:09,309 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:09,335 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:48:09,336 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:09,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:09,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:09,336 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:09,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:09,342 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:48:09,342 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:09,342 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:09,342 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:09,342 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:09,343 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:13,368 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-25 11:48:13,398 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:48:13,399 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:13,399 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:13,399 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:13,399 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:13,399 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,401 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:48:13,401 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,402 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:13,402 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:13,402 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:13,402 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:13,410 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:13,423 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:48:13,424 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:13,424 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:13,424 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:13,424 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:13,424 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,434 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:48:13,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,435 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:13,435 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:13,435 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:13,435 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:13,829 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:48:13,844 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:13,844 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:13,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:13,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:13,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:13,844 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,845 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:13,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,845 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:13,845 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:13,845 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:13,845 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:13,846 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:48:13,852 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:48:13,852 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:13,852 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:13,852 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:13,853 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:13,853 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,854 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:48:13,854 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,854 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:13,855 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:13,855 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:13,855 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:13,856 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:13,861 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:48:13,861 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:13,862 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:13,862 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:13,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:13,862 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,863 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:48:13,863 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,863 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:13,863 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:13,863 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:13,863 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:13,864 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:48:13,874 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-25 11:48:13,874 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:48:13,874 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:48:13,874 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:48:13,874 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:48:13,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,894 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-25 11:48:13,895 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:48:13,897 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:48:13,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:48:13,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:48:13,897 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:48:13,899 INFO L520 InvariantChecker]: The annotation(s) from loop head L34-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:48:13,902 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-25 11:48:13,903 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6efd42e8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:48:13, skipping insertion in model container [2024-09-25 11:48:13,903 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:48:13,905 INFO L158 Benchmark]: Toolchain (without parser) took 9745.60ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 25.4MB in the beginning and 57.3MB in the end (delta: -32.0MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-09-25 11:48:13,905 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:13,906 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 56.6MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:48:13,906 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.82ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 25.1MB in the beginning and 47.7MB in the end (delta: -22.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-09-25 11:48:13,907 INFO L158 Benchmark]: Boogie Preprocessor took 45.96ms. Allocated memory is still 79.7MB. Free memory was 47.4MB in the beginning and 45.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:48:13,908 INFO L158 Benchmark]: RCFGBuilder took 719.96ms. Allocated memory is still 79.7MB. Free memory was 45.4MB in the beginning and 51.4MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-25 11:48:13,908 INFO L158 Benchmark]: Referee took 8741.79ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 57.3MB in the end (delta: -6.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. [2024-09-25 11:48:13,910 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 34 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 34 to loop head at line 34. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from loop head at line 34 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 56.6MB. Free memory was 33.6MB in the beginning and 33.5MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.09ms. Allocated memory is still 56.6MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 233.82ms. Allocated memory was 56.6MB in the beginning and 79.7MB in the end (delta: 23.1MB). Free memory was 25.1MB in the beginning and 47.7MB in the end (delta: -22.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.96ms. Allocated memory is still 79.7MB. Free memory was 47.4MB in the beginning and 45.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 719.96ms. Allocated memory is still 79.7MB. Free memory was 45.4MB in the beginning and 51.4MB in the end (delta: -6.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 8741.79ms. Allocated memory is still 79.7MB. Free memory was 51.4MB in the beginning and 57.3MB in the end (delta: -6.0MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-25 11:48:13,939 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...