This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:33,345 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:33,411 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:33,416 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:33,416 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:33,436 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:33,437 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:33,438 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:33,438 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:33,439 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:33,439 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:33,440 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:33,440 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:33,441 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:33,441 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:33,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:33,444 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:33,445 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:33,445 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:33,445 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:33,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:33,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:33,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:33,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:33,446 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:33,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:33,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:33,446 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:33,446 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:33,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:33,446 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:33,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:33,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:33,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:33,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:33,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:33,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:33,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:33,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:33,448 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:33,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:33,448 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:33,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:33,450 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:33,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:33,651 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:33,654 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:33,655 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:33,655 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:33,656 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/geo3-ll_unwindbound1.yml/witness-2.1.yml [2024-09-13 10:09:33,696 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:33,697 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:33,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2024-09-13 10:09:34,863 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:35,036 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:35,036 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2024-09-13 10:09:35,042 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0e4ce5e1c/f03e1cb7bf7f4776b59723c98d919c4d/FLAG62816a618 [2024-09-13 10:09:35,447 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0e4ce5e1c/f03e1cb7bf7f4776b59723c98d919c4d [2024-09-13 10:09:35,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:35,448 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:35,449 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:35,449 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:35,452 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:35,453 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:33" (1/2) ... [2024-09-13 10:09:35,453 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266bf719 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:35, skipping insertion in model container [2024-09-13 10:09:35,454 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:33" (1/2) ... [2024-09-13 10:09:35,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@613092d4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:35, skipping insertion in model container [2024-09-13 10:09:35,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:35" (2/2) ... [2024-09-13 10:09:35,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@266bf719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35, skipping insertion in model container [2024-09-13 10:09:35,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:35" (2/2) ... [2024-09-13 10:09:35,463 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:35,464 INFO L1541 ArrayList]: Loop invariant at [L35-L44] ((((((z == y) && (1 <= counter)) && (x == (((long long) a * z) + a))) && (((long long) a * z) == az)) || ((((y == 1) && (counter == 0)) && (a == x)) && (((long long) a * z) == az))) && (\old(counter) == 0)) [2024-09-13 10:09:35,464 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:35,464 INFO L1541 ArrayList]: Function contract at [L22]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:35,477 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:35,581 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538] [2024-09-13 10:09:35,593 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:35,598 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:09:35,624 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:09:35,634 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:35,648 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:35,649 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35 WrapperNode [2024-09-13 10:09:35,649 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:35,649 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:35,650 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:35,650 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:35,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,664 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,673 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:09:35,673 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,673 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:35,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:35,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:35,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:35,682 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (1/1) ... [2024-09-13 10:09:35,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:35,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:35,703 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:09:35,705 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:09:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:35,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:09:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:35,786 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:35,787 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:35,818 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:35,901 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:35,911 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:35,932 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:35,936 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:09:35,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:35 BoogieIcfgContainer [2024-09-13 10:09:35,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:35,937 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:35,937 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:35,938 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:35,938 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:33" (1/4) ... [2024-09-13 10:09:35,938 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@316379fb and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:35, skipping insertion in model container [2024-09-13 10:09:35,938 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:35" (2/4) ... [2024-09-13 10:09:35,939 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@316379fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:35, skipping insertion in model container [2024-09-13 10:09:35,939 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:35" (3/4) ... [2024-09-13 10:09:35,939 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@316379fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:35, skipping insertion in model container [2024-09-13 10:09:35,939 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:35" (4/4) ... [2024-09-13 10:09:35,942 INFO L79 RefereeObserver]: Analyzing ICFG geo3-ll_unwindbound1.c [2024-09-13 10:09:35,945 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:09:35,946 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:35,946 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:35,947 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:35,947 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 10:09:35,947 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 10:09:35,947 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:35,947 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:35,947 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:35,948 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:09:35,991 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:09:35,992 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:35,992 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:35,993 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:35,993 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:35,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:36,033 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:09:36,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:36,034 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:36,034 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:36,035 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:36,050 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:40,062 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:40,075 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:40,076 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:40,076 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:40,076 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:40,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:40,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:40,088 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:40,088 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:40,088 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:40,088 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:40,088 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:40,089 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:44,110 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:44,129 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:44,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:44,129 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:44,129 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:44,129 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:44,129 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:44,130 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:44,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:44,130 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:44,130 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:44,130 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:44,130 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:44,136 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:44,151 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:09:44,151 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:44,152 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:44,152 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:44,152 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:44,152 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:44,154 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:09:44,154 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:44,155 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:44,155 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:44,155 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:44,155 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:44,157 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:09:44,165 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:09:44,166 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:44,166 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:44,166 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:44,166 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:44,166 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:44,188 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:09:44,189 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:44,189 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:44,189 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:44,189 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:44,190 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,204 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:48,224 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:09:48,225 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,225 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,225 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,225 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,230 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:09:48,230 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,230 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,230 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,230 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,231 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,233 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:48,238 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:09:48,239 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,239 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,239 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,239 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,240 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:09:48,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,240 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,240 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,240 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,240 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,249 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:09:48,257 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:09:48,257 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:48,257 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:48,258 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:48,258 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:48,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,275 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:09:48,276 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:48,278 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:48,279 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:48,279 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:48,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:48,281 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:48,284 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:09:48,284 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@316379fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:09:48, skipping insertion in model container [2024-09-13 10:09:48,284 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:09:48,285 INFO L158 Benchmark]: Toolchain (without parser) took 12836.28ms. Allocated memory is still 182.5MB. Free memory was 151.5MB in the beginning and 134.1MB in the end (delta: 17.4MB). Peak memory consumption was 61.5MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,285 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:48,286 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:09:48,286 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.96ms. Allocated memory is still 182.5MB. Free memory was 151.5MB in the beginning and 137.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,286 INFO L158 Benchmark]: Boogie Preprocessor took 31.75ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,286 INFO L158 Benchmark]: RCFGBuilder took 254.99ms. Allocated memory is still 182.5MB. Free memory was 135.9MB in the beginning and 121.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,287 INFO L158 Benchmark]: Referee took 12346.86ms. Allocated memory is still 182.5MB. Free memory was 121.8MB in the beginning and 134.1MB in the end (delta: -12.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-09-13 10:09:48,291 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 35 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 35 to check that procedure precondition always holds at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 35. 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 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from loop head at line 35 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 125.8MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.96ms. Allocated memory is still 182.5MB. Free memory was 151.5MB in the beginning and 137.9MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.75ms. Allocated memory is still 182.5MB. Free memory was 137.9MB in the beginning and 135.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 254.99ms. Allocated memory is still 182.5MB. Free memory was 135.9MB in the beginning and 121.8MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12346.86ms. Allocated memory is still 182.5MB. Free memory was 121.8MB in the beginning and 134.1MB in the end (delta: -12.3MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:09:48,310 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:49,990 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:50,047 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:09:50,052 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:50,052 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:50,077 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:50,078 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:50,078 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:50,079 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:50,080 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:50,080 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:50,081 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:50,081 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:50,081 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:50,082 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:50,084 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:50,085 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:50,085 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:50,085 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:50,085 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:50,085 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:50,086 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:50,086 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:50,086 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:09:50,086 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:09:50,087 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:50,087 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:09:50,087 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:50,087 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:50,087 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:50,088 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:50,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:50,088 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:50,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:50,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:50,094 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:50,094 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:50,094 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:50,094 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:50,094 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:09:50,095 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:09:50,098 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:50,098 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:50,098 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:50,098 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:50,098 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:09:50,099 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:50,338 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:50,357 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:50,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:50,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:50,360 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:50,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2024-09-13 10:09:51,592 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:51,752 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:51,753 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c [2024-09-13 10:09:51,762 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c827128d5/164bbb4ee1474d3f8011809c84c5c3c0/FLAGf975e4c52 [2024-09-13 10:09:52,153 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c827128d5/164bbb4ee1474d3f8011809c84c5c3c0 [2024-09-13 10:09:52,155 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:52,156 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:52,156 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/geo3-ll_unwindbound1.yml/witness-2.1.yml [2024-09-13 10:09:52,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:52,191 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:52,192 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:52,192 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:52,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:52,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:52" (1/2) ... [2024-09-13 10:09:52,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a6d951 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:52, skipping insertion in model container [2024-09-13 10:09:52,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:52" (1/2) ... [2024-09-13 10:09:52,197 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1507aed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:52, skipping insertion in model container [2024-09-13 10:09:52,197 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:52" (2/2) ... [2024-09-13 10:09:52,198 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37a6d951 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52, skipping insertion in model container [2024-09-13 10:09:52,198 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:52" (2/2) ... [2024-09-13 10:09:52,202 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:52,206 INFO L1541 ArrayList]: Loop invariant at [L35-L44] ((((((z == y) && (1 <= counter)) && (x == (((long long) a * z) + a))) && (((long long) a * z) == az)) || ((((y == 1) && (counter == 0)) && (a == x)) && (((long long) a * z) == az))) && (\old(counter) == 0)) [2024-09-13 10:09:52,206 INFO L1541 ArrayList]: Function contract at [L22]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:52,206 INFO L1541 ArrayList]: Function contract at [L14]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:52,220 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:52,342 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538] [2024-09-13 10:09:52,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:52,370 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 10:09:52,409 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_unwindbound1.c[525,538] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:09:52,422 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:52,436 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:52,436 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52 WrapperNode [2024-09-13 10:09:52,436 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:52,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:52,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:52,438 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:52,447 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,465 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:09:52,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,467 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,474 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,477 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,481 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,482 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:52,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:52,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:52,484 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:52,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (1/1) ... [2024-09-13 10:09:52,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:52,496 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:52,509 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 10:09:52,511 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 10:09:52,542 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:52,543 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:52,543 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-13 10:09:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:52,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:09:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:09:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:09:52,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:52,601 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:52,603 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:52,648 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:53,546 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:53,556 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:53,581 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:53,584 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:09:53,584 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:53 BoogieIcfgContainer [2024-09-13 10:09:53,584 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:53,585 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:53,585 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:53,585 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:53,586 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:52" (1/4) ... [2024-09-13 10:09:53,586 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a9bc983 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:53, skipping insertion in model container [2024-09-13 10:09:53,586 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 10:09:52" (2/4) ... [2024-09-13 10:09:53,586 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a9bc983 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:53, skipping insertion in model container [2024-09-13 10:09:53,586 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:52" (3/4) ... [2024-09-13 10:09:53,586 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a9bc983 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:53, skipping insertion in model container [2024-09-13 10:09:53,587 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:53" (4/4) ... [2024-09-13 10:09:53,588 INFO L79 RefereeObserver]: Analyzing ICFG geo3-ll_unwindbound1.c [2024-09-13 10:09:53,590 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:09:53,591 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:53,591 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:53,591 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:53,591 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 10:09:53,591 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-13 10:09:53,592 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:53,592 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:53,592 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-4 to ERROR_LOC mainErr3ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:53,592 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from procedure entry to error location [2024-09-13 10:09:53,637 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:09:53,637 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:53,638 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:53,638 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:53,641 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:53,642 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:53,674 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:09:53,675 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:53,675 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:53,675 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:53,675 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:53,683 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:57,740 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:09:57,776 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:57,776 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:57,776 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:57,776 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:57,776 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:57,776 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:57,795 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:57,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:57,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:57,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:57,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:57,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:01,846 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:01,871 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:01,871 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:01,873 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:01,873 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:01,873 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:01,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:01,874 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:01,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:01,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:01,875 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:01,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:01,875 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:01,880 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:01,888 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:01,889 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:01,889 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:01,889 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:01,889 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:01,889 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:01,891 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:01,891 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:01,891 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:01,891 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:01,892 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:01,892 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:01,911 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:01,925 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-13 10:10:01,925 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:01,925 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:01,926 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:01,926 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:01,926 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:01,938 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-13 10:10:01,939 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:01,939 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:01,939 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:01,939 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:01,940 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,009 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:06,033 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:06,034 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,034 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,034 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,034 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,034 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,036 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:06,036 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,036 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,036 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,036 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,037 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,039 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:06,047 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:06,047 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,047 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,048 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,048 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,048 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,049 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:06,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,049 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,049 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,052 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:06,068 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:06,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:06,069 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:06,069 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:06,069 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:06,070 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,086 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:06,086 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:06,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:06,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:06,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:06,087 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:06,088 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-4 to error location mainErr3ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:06,091 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:06,091 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@5a9bc983 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:06, skipping insertion in model container [2024-09-13 10:10:06,091 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:06,092 INFO L158 Benchmark]: Toolchain (without parser) took 13900.91ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 37.5MB in the beginning and 57.3MB in the end (delta: -19.7MB). Peak memory consumption was 28.4MB. Max. memory is 16.1GB. [2024-09-13 10:10:06,093 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 37.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:06,093 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:06,093 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.24ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 37.4MB in the beginning and 65.8MB in the end (delta: -28.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2024-09-13 10:10:06,094 INFO L158 Benchmark]: Boogie Preprocessor took 45.42ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:06,094 INFO L158 Benchmark]: RCFGBuilder took 1100.50ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 48.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 10:10:06,094 INFO L158 Benchmark]: Referee took 12506.48ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 57.3MB in the end (delta: -8.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:06,096 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 35 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 35 to loop head at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 36. 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 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 35. Annotation is valid for all loop-free paths from loop head at line 35 to exit of procedure main. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 37.9MB 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 62.9MB. Free memory is still 39.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 245.24ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 37.4MB in the beginning and 65.8MB in the end (delta: -28.5MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.42ms. Allocated memory is still 88.1MB. Free memory was 65.8MB in the beginning and 63.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1100.50ms. Allocated memory is still 88.1MB. Free memory was 63.7MB in the beginning and 48.7MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12506.48ms. Allocated memory is still 88.1MB. Free memory was 48.7MB in the beginning and 57.3MB in the end (delta: -8.6MB). Peak memory consumption was 14.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:06,133 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...