This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:05:18,575 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:05:18,649 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:05:18,653 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:05:18,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:05:18,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:05:18,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:05:18,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:05:18,673 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:05:18,674 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:05:18,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:05:18,675 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:05:18,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:05:18,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:05:18,676 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:05:18,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:05:18,677 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:05:18,677 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:05:18,677 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:05:18,678 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:05:18,678 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:05:18,679 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:05:18,679 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:05:18,680 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:05:18,680 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:05:18,680 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:05:18,681 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:05:18,681 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:05:18,681 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:05:18,682 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:05:18,682 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:05:18,682 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:05:18,683 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:05:18,683 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:18,683 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:05:18,684 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:05:18,684 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:05:18,684 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:05:18,684 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:05:18,685 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:05:18,685 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:05:18,686 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:05:18,686 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:05:18,686 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:05:18,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:05:18,932 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:05:18,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:05:18,936 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:05:18,937 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:05:18,938 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps4-ll.yml/witness-2.1.yml [2024-09-13 05:05:18,989 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:05:18,989 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:05:18,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-09-13 05:05:20,322 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:05:20,496 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:05:20,496 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/ps4-ll.c [2024-09-13 05:05:20,504 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/cc5f983b6/7f28110f163a45db816eea02c071f52c/FLAGeb09b9f86 [2024-09-13 05:05:20,523 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/cc5f983b6/7f28110f163a45db816eea02c071f52c [2024-09-13 05:05:20,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:05:20,525 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:05:20,529 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:20,529 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:05:20,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:05:20,535 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 05:05:18" (1/2) ... [2024-09-13 05:05:20,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745b7c1e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:20, skipping insertion in model container [2024-09-13 05:05:20,537 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 05:05:18" (1/2) ... [2024-09-13 05:05:20,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33a888f6 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:05:20, skipping insertion in model container [2024-09-13 05:05:20,539 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:20" (2/2) ... [2024-09-13 05:05:20,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@745b7c1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20, skipping insertion in model container [2024-09-13 05:05:20,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:05:20" (2/2) ... [2024-09-13 05:05:20,547 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:05:20,550 INFO L1541 ArrayList]: Loop invariant at [L26-L35] (((((c + ((__int128) c * y)) == (y + ((__int128) y * y))) && ((((__int128) c * 2) + ((__int128) c * y)) == (((__int128) y * 2) + ((__int128) y * y)))) && (((((((__int128) y * y) * y) * y) + ((__int128) y * y)) + ((((__int128) y * y) * y) * 2)) == ((__int128) x * 4))) && ((c < k) || (((__int128) y * y) == ((__int128) k * y)))) [2024-09-13 05:05:20,550 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:05:20,567 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:05:20,722 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/ps4-ll.c[458,471] [2024-09-13 05:05:20,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:20,750 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-13 05:05:20,788 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/ps4-ll.c[458,471] Start Parsing Local [2024-09-13 05:05:20,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:05:20,821 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:05:20,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20 WrapperNode [2024-09-13 05:05:20,822 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:05:20,823 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:05:20,823 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:05:20,823 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:05:20,834 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,834 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,840 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,852 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 05:05:20,852 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,852 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,859 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,863 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,867 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,867 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,869 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:05:20,871 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:05:20,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:05:20,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:05:20,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (1/1) ... [2024-09-13 05:05:20,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:05:20,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:05:20,906 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 05:05:20,912 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 05:05:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:05:20,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:05:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:05:20,953 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:05:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:05:20,954 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:05:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:05:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:05:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:05:20,955 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:05:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2024-09-13 05:05:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:05:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:05:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:05:20,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:05:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:05:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:05:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:05:20,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:05:20,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:05:21,010 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:05:21,011 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:05:21,145 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:05:21,162 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:05:21,183 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:05:21,183 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:05:21,185 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:21 BoogieIcfgContainer [2024-09-13 05:05:21,185 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:05:21,186 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:05:21,186 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:05:21,187 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:05:21,187 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 05:05:18" (1/4) ... [2024-09-13 05:05:21,187 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ba5d81e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:05:21, skipping insertion in model container [2024-09-13 05:05:21,187 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:05:20" (2/4) ... [2024-09-13 05:05:21,188 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ba5d81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:21, skipping insertion in model container [2024-09-13 05:05:21,188 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:05:20" (3/4) ... [2024-09-13 05:05:21,188 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ba5d81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:05:21, skipping insertion in model container [2024-09-13 05:05:21,188 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:05:21" (4/4) ... [2024-09-13 05:05:21,189 INFO L79 RefereeObserver]: Analyzing ICFG ps4-ll.c [2024-09-13 05:05:21,197 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:05:21,198 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 7 edges. [2024-09-13 05:05:21,201 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:05:21,202 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-13 05:05:21,202 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 5 edges. [2024-09-13 05:05:21,202 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 05:05:21,203 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 05:05:21,203 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L26-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 05:05:21,203 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-13 05:05:21,260 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-13 05:05:21,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:21,265 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:21,266 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:21,267 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:21,268 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,305 INFO L101 BaseMinimizeStates]: Removed 12 edges and 4 locations by large block encoding [2024-09-13 05:05:21,306 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,307 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:21,307 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:21,308 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:21,318 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,333 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:21,347 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:21,347 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:21,347 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:21,347 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:21,347 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:21,348 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,354 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:21,355 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,355 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:21,355 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:21,355 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:21,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,358 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:21,370 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:05:21,370 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:21,371 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:21,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:21,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:21,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,375 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:05:21,375 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,375 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:21,376 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:21,376 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:21,376 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,382 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:21,396 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:05:21,396 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:21,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:21,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:21,397 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:21,397 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,415 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:05:21,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,415 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:21,416 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:21,416 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:21,416 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,433 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:05:21,445 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:05:21,445 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:21,445 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:21,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:21,446 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:21,446 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,449 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:05:21,449 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,450 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:21,450 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:21,450 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:21,451 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,453 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:05:21,462 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:05:21,463 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:21,463 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:21,463 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:21,463 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:21,463 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,465 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:05:21,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,465 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:21,465 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:21,465 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:21,465 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,467 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:05:21,486 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:05:21,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:05:21,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:05:21,487 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:05:21,487 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:05:21,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,509 INFO L101 BaseMinimizeStates]: Removed 16 edges and 5 locations by large block encoding [2024-09-13 05:05:21,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:05:21,509 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:05:21,509 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:05:21,509 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:05:21,512 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:05:21,521 INFO L514 InvariantChecker]: The annotation(s) from loop head L26-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:05:21,528 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-13 05:05:21,529 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4ba5d81e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:05:21, skipping insertion in model container [2024-09-13 05:05:21,529 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:05:21,531 INFO L158 Benchmark]: Toolchain (without parser) took 1005.30ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 90.2MB in the beginning and 126.3MB in the end (delta: -36.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,531 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 148.9MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:05:21,532 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 148.9MB. Free memory was 107.3MB in the beginning and 107.1MB in the end (delta: 186.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,536 INFO L158 Benchmark]: CACSL2BoogieTranslator took 293.19ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 76.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,537 INFO L158 Benchmark]: Boogie Preprocessor took 46.26ms. Allocated memory is still 148.9MB. Free memory was 76.5MB in the beginning and 74.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,537 INFO L158 Benchmark]: RCFGBuilder took 314.48ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 74.5MB in the beginning and 159.8MB in the end (delta: -85.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,538 INFO L158 Benchmark]: Referee took 343.11ms. Allocated memory is still 192.9MB. Free memory was 159.8MB in the beginning and 126.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-09-13 05:05:21,541 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 26 to loop head at line 26. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 27. 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 11. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from loop head at line 26 to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 26. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 148.9MB. Free memory is still 109.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.45ms. Allocated memory is still 148.9MB. Free memory was 107.3MB in the beginning and 107.1MB in the end (delta: 186.7kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 293.19ms. Allocated memory is still 148.9MB. Free memory was 90.2MB in the beginning and 76.9MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.26ms. Allocated memory is still 148.9MB. Free memory was 76.5MB in the beginning and 74.8MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.48ms. Allocated memory was 148.9MB in the beginning and 192.9MB in the end (delta: 44.0MB). Free memory was 74.5MB in the beginning and 159.8MB in the end (delta: -85.4MB). Peak memory consumption was 15.7MB. Max. memory is 16.1GB. * Referee took 343.11ms. Allocated memory is still 192.9MB. Free memory was 159.8MB in the beginning and 126.3MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:05:21,573 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...