This is Ultimate 0.2.4-dev-1d5fa63-m [2024-09-13 10:09:53,716 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:09:53,758 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 10:09:53,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:09:53,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:09:53,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:09:53,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:09:53,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:09:53,779 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:09:53,779 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:09:53,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:09:53,780 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:09:53,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:09:53,780 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:09:53,781 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:09:53,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:09:53,783 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:09:53,785 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:09:53,785 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 10:09:53,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:09:53,786 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:09:53,787 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:09:53,787 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:09:53,788 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:09:53,788 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:09:53,789 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:09:53,789 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:09:53,789 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:09:53,789 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:09:53,790 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:09:53,790 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:09:53,790 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:09:53,791 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:09:53,791 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:53,791 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:09:53,791 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:09:53,792 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:09:53,792 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 10:09:53,793 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 10:09:53,793 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:09:53,794 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:09:53,794 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:09:53,794 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:09:53,794 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:09:54,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:09:54,049 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:09:54,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:09:54,051 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:09:54,052 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:09:54,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-13 10:09:54,121 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:09:54,121 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:09:54,121 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-13 10:09:55,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:09:55,626 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:09:55,628 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-13 10:09:55,633 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/abcb27d03/e268594aed7640868376ad58d83f6f30/FLAG7dba7f232 [2024-09-13 10:09:55,643 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/abcb27d03/e268594aed7640868376ad58d83f6f30 [2024-09-13 10:09:55,644 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:09:55,646 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:09:55,647 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:55,647 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:09:55,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:09:55,654 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 10:09:54" (1/2) ... [2024-09-13 10:09:55,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6926c7e4 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:55, skipping insertion in model container [2024-09-13 10:09:55,655 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 10:09:54" (1/2) ... [2024-09-13 10:09:55,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@20436f53 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:09:55, skipping insertion in model container [2024-09-13 10:09:55,656 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:55" (2/2) ... [2024-09-13 10:09:55,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6926c7e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55, skipping insertion in model container [2024-09-13 10:09:55,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:09:55" (2/2) ... [2024-09-13 10:09:55,662 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:09:55,663 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:09:55,666 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:09:55,666 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:09:55,666 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:09:55,681 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:09:55,796 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/lcm2_unwindbound100.c[537,550] [2024-09-13 10:09:55,809 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:55,816 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:09:55,852 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/lcm2_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:09:55,859 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:09:55,872 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:09:55,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55 WrapperNode [2024-09-13 10:09:55,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:09:55,873 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:09:55,874 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:09:55,874 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:09:55,882 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,882 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,895 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:09:55,895 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,895 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,905 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:09:55,912 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:09:55,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:09:55,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:09:55,912 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (1/1) ... [2024-09-13 10:09:55,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:09:55,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:09:55,944 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 10:09:55,946 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 10:09:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:09:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:09:55,981 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:09:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:09:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:09:55,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:09:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:09:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:09:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:09:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:09:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:09:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:09:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:09:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:09:55,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:09:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 10:09:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:09:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 10:09:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 10:09:55,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:09:56,043 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:09:56,046 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:09:56,071 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:56,098 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:56,220 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:09:56,235 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:09:56,263 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:09:56,267 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:09:56,267 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:56 BoogieIcfgContainer [2024-09-13 10:09:56,268 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:09:56,268 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:09:56,268 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:09:56,269 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:09:56,271 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 10:09:54" (1/4) ... [2024-09-13 10:09:56,271 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@297c592b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:09:56, skipping insertion in model container [2024-09-13 10:09:56,271 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:09:55" (2/4) ... [2024-09-13 10:09:56,271 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@297c592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:56, skipping insertion in model container [2024-09-13 10:09:56,272 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:09:55" (3/4) ... [2024-09-13 10:09:56,272 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@297c592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:09:56, skipping insertion in model container [2024-09-13 10:09:56,272 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:09:56" (4/4) ... [2024-09-13 10:09:56,273 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-13 10:09:56,276 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:09:56,277 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:56,277 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:56,277 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:09:56,277 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:09:56,278 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:09:56,278 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:09:56,278 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:09:56,278 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 10:09:56,278 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 10:09:56,278 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 10:09:56,281 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:09:56,282 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:09:56,282 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:09:56,282 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head [2024-09-13 10:09:56,334 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:09:56,335 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:56,336 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:56,336 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:56,337 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:56,339 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,348 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:09:56,349 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:56,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:56,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:56,352 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:56,365 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:09:56,384 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:56,384 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:56,384 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:56,384 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:56,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:56,385 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,386 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:56,386 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,387 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:56,387 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:56,387 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:56,387 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:09:56,388 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:09:56,405 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:09:56,405 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:09:56,406 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:09:56,406 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:09:56,406 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:09:56,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,418 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:09:56,419 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:09:56,419 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:09:56,419 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:09:56,419 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:09:56,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:00,422 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:00,437 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:00,437 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:00,437 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:00,437 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:00,438 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:00,438 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,439 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:00,439 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,439 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:00,439 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:00,439 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:00,439 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:00,441 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:00,453 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:00,453 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:00,453 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:00,454 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:00,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:00,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,455 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:00,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,455 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:00,455 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:00,455 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:00,456 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:00,457 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:00,471 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:00,471 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:00,471 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:00,472 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:00,472 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:00,472 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,506 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:00,506 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,507 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:00,507 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:00,507 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:00,508 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:00,509 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:00,519 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:00,519 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:00,519 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:00,520 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:00,520 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:00,520 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,537 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:00,538 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:00,538 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:00,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:00,539 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:00,570 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,576 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:04,587 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:04,587 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,587 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,587 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,587 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,587 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,588 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:04,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,588 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,589 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,589 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,589 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,590 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:04,597 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:04,598 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,598 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,598 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,598 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,598 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,600 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:04,600 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,600 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,600 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,600 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,601 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,603 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:04,611 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:04,612 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,612 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,612 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,613 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:04,613 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,613 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,613 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,614 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,614 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,616 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:04,625 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:04,625 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,625 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,625 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,626 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,626 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,628 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:04,628 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,629 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,629 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,629 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,629 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,633 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:04,643 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:04,643 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,643 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,643 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,644 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,652 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:04,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,652 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,652 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,652 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,652 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:04,654 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:04,660 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:04,661 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:04,661 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:04,661 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:04,661 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:04,661 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,677 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:04,677 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:04,677 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:04,677 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:04,678 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:04,682 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:08,687 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:08,693 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:08,693 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@297c592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:08, skipping insertion in model container [2024-09-13 10:10:08,693 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:08,694 INFO L158 Benchmark]: Toolchain (without parser) took 13047.49ms. Allocated memory is still 207.6MB. Free memory was 134.0MB in the beginning and 144.1MB in the end (delta: -10.2MB). Peak memory consumption was 81.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,695 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:08,695 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 207.6MB. Free memory is still 181.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:08,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.54ms. Allocated memory is still 207.6MB. Free memory was 134.0MB in the beginning and 120.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,696 INFO L158 Benchmark]: Boogie Preprocessor took 37.61ms. Allocated memory is still 207.6MB. Free memory was 120.0MB in the beginning and 118.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,696 INFO L158 Benchmark]: RCFGBuilder took 356.08ms. Allocated memory is still 207.6MB. Free memory was 118.0MB in the beginning and 101.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,696 INFO L158 Benchmark]: Referee took 12424.91ms. Allocated memory is still 207.6MB. Free memory was 101.9MB in the beginning and 144.1MB in the end (delta: -42.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:08,699 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 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 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 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. 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 check that procedure precondition always holds at line 26. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. 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 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.15ms. Allocated memory is still 151.0MB. Free memory is still 120.1MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 207.6MB. Free memory is still 181.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.54ms. Allocated memory is still 207.6MB. Free memory was 134.0MB in the beginning and 120.0MB in the end (delta: 13.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.61ms. Allocated memory is still 207.6MB. Free memory was 120.0MB in the beginning and 118.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 356.08ms. Allocated memory is still 207.6MB. Free memory was 118.0MB in the beginning and 101.9MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12424.91ms. Allocated memory is still 207.6MB. Free memory was 101.9MB in the beginning and 144.1MB in the end (delta: -42.3MB). Peak memory consumption was 50.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:08,735 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 10:10:10,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 10:10:10,754 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 10:10:10,757 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 10:10:10,757 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 10:10:10,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 10:10:10,781 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 10:10:10,781 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 10:10:10,782 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 10:10:10,782 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 10:10:10,782 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 10:10:10,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 10:10:10,783 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 10:10:10,783 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 10:10:10,784 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 10:10:10,784 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 10:10:10,784 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 10:10:10,784 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 10:10:10,785 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 10:10:10,785 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 10:10:10,785 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 10:10:10,786 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 10:10:10,786 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 10:10:10,786 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 10:10:10,786 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 10:10:10,787 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 10:10:10,787 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 10:10:10,787 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 10:10:10,787 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 10:10:10,788 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 10:10:10,788 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 10:10:10,788 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 10:10:10,789 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 10:10:10,789 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 10:10:10,789 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 10:10:10,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:10,790 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 10:10:10,790 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 10:10:10,790 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 10:10:10,790 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 10:10:10,791 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 10:10:10,791 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 10:10:10,791 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 10:10:10,791 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 10:10:10,792 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 10:10:10,792 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 10:10:10,792 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 10:10:11,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 10:10:11,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 10:10:11,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 10:10:11,081 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 10:10:11,083 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 10:10:11,084 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound100.yml/witness-2.1.yml [2024-09-13 10:10:11,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 10:10:11,122 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 10:10:11,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-13 10:10:12,492 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 10:10:12,632 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 10:10:12,632 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound100.c [2024-09-13 10:10:12,638 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/1cae87ccb/569f045af03e4bd1a562388cb482e157/FLAG766fe8fda [2024-09-13 10:10:13,050 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/1cae87ccb/569f045af03e4bd1a562388cb482e157 [2024-09-13 10:10:13,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 10:10:13,051 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 10:10:13,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:13,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 10:10:13,057 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 10:10:13,058 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 10:10:11" (1/2) ... [2024-09-13 10:10:13,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1131dcb5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:13, skipping insertion in model container [2024-09-13 10:10:13,059 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 10:10:11" (1/2) ... [2024-09-13 10:10:13,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@68eacf58 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 10:10:13, skipping insertion in model container [2024-09-13 10:10:13,064 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:13" (2/2) ... [2024-09-13 10:10:13,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1131dcb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13, skipping insertion in model container [2024-09-13 10:10:13,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 10:10:13" (2/2) ... [2024-09-13 10:10:13,072 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 10:10:13,073 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-13 10:10:13,073 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 10:10:13,073 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 10:10:13,073 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 10:10:13,088 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 10:10:13,237 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/lcm2_unwindbound100.c[537,550] [2024-09-13 10:10:13,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:13,275 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 10:10:13,305 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/lcm2_unwindbound100.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 10:10:13,320 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 10:10:13,334 INFO L204 MainTranslator]: Completed translation [2024-09-13 10:10:13,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13 WrapperNode [2024-09-13 10:10:13,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 10:10:13,335 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 10:10:13,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 10:10:13,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 10:10:13,346 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,351 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,358 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure assume_abort_if_not is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-13 10:10:13,362 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,362 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,370 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,376 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,380 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 10:10:13,380 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 10:10:13,380 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 10:10:13,380 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 10:10:13,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (1/1) ... [2024-09-13 10:10:13,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 10:10:13,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 10:10:13,402 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 10:10:13,405 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 10:10:13,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 10:10:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 10:10:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 10:10:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 10:10:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 10:10:13,438 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 10:10:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 10:10:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 10:10:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 10:10:13,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 10:10:13,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 10:10:13,496 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 10:10:13,498 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 10:10:13,514 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:13,540 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:13,782 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 10:10:13,794 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 10:10:13,814 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 10:10:13,815 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 10:10:13,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:13 BoogieIcfgContainer [2024-09-13 10:10:13,815 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 10:10:13,816 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 10:10:13,816 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 10:10:13,816 INFO L274 PluginConnector]: Referee initialized [2024-09-13 10:10:13,817 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 10:10:11" (1/4) ... [2024-09-13 10:10:13,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36cc52a3 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 10:10:13, skipping insertion in model container [2024-09-13 10:10:13,817 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 10:10:13" (2/4) ... [2024-09-13 10:10:13,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36cc52a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:13, skipping insertion in model container [2024-09-13 10:10:13,817 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 10:10:13" (3/4) ... [2024-09-13 10:10:13,817 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36cc52a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 10:10:13, skipping insertion in model container [2024-09-13 10:10:13,818 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 10:10:13" (4/4) ... [2024-09-13 10:10:13,818 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound100.c [2024-09-13 10:10:13,821 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 10:10:13,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:13,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:13,822 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 10:10:13,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 10:10:13,822 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 10:10:13,822 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-13 10:10:13,823 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-13 10:10:13,823 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 10:10:13,823 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 10:10:13,823 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 10:10:13,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 10:10:13,823 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-13 10:10:13,823 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-13 10:10:13,824 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-13 10:10:13,857 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 10:10:13,858 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:13,858 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:13,859 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:13,862 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:13,864 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,871 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 10:10:13,872 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,872 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:13,872 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:13,872 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:13,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:13,885 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:13,919 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:13,920 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:13,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:13,920 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:13,920 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:13,920 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,922 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:13,922 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,922 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:13,923 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:13,923 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:13,923 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:13,924 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:13,941 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 10:10:13,941 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:13,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:13,942 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:13,942 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:13,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,949 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 10:10:13,949 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:13,949 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:13,950 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:13,950 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:13,950 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,966 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:17,987 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 10:10:17,987 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:17,988 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:17,988 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:17,988 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:17,988 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,989 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 10:10:17,989 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:17,989 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:17,989 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:17,989 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:17,989 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:17,991 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:18,002 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:18,002 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:18,002 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:18,003 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:18,003 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:18,003 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:18,004 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:18,004 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:18,004 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:18,004 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:18,004 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:18,005 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:18,006 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:18,017 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 10:10:18,017 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:18,017 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:18,017 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:18,017 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:18,018 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:18,040 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 10:10:18,041 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:18,041 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:18,041 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:18,041 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:18,042 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:18,043 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:18,051 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 10:10:18,052 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:18,052 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:18,052 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:18,052 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:18,052 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:18,062 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 10:10:18,062 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:18,062 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:18,062 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:18,062 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:18,064 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,080 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:22,108 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:22,108 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,108 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,108 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,108 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,108 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,110 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:22,110 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,110 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,110 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,110 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,110 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,112 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:22,118 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 10:10:22,119 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,119 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,119 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,119 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,119 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,121 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 10:10:22,121 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,121 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,121 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,121 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,122 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,123 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 10:10:22,129 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 10:10:22,129 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,130 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,130 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,130 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,130 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,131 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 10:10:22,131 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,131 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,131 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,131 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,131 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,132 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 10:10:22,139 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 10:10:22,139 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,140 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,140 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,140 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,140 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,141 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 10:10:22,141 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,141 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,142 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,143 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 10:10:22,153 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 10:10:22,154 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,154 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,155 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,155 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,155 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,158 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 10:10:22,159 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,159 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,159 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,159 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,160 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:22,171 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 10:10:22,182 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 10:10:22,183 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 10:10:22,183 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 10:10:22,183 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 10:10:22,183 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 10:10:22,183 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,206 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 10:10:22,206 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 10:10:22,207 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 10:10:22,207 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 10:10:22,207 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 10:10:22,210 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 10:10:26,243 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 10:10:26,258 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 10:10:26,258 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@36cc52a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 10:10:26, skipping insertion in model container [2024-09-13 10:10:26,259 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 10:10:26,260 INFO L158 Benchmark]: Toolchain (without parser) took 13208.12ms. Allocated memory is still 81.8MB. Free memory was 40.1MB in the beginning and 31.9MB in the end (delta: 8.2MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,260 INFO L158 Benchmark]: Witness Parser took 0.40ms. Allocated memory is still 58.7MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:26,260 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 10:10:26,261 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.91ms. Allocated memory is still 81.8MB. Free memory was 40.1MB in the beginning and 57.6MB in the end (delta: -17.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,261 INFO L158 Benchmark]: Boogie Preprocessor took 44.33ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 55.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,262 INFO L158 Benchmark]: RCFGBuilder took 435.01ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 39.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,262 INFO L158 Benchmark]: Referee took 12442.98ms. Allocated memory is still 81.8MB. Free memory was 39.1MB in the beginning and 31.9MB in the end (delta: 7.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-09-13 10:10:26,264 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 36 to loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 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 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. 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 main to check that procedure precondition always holds at line 25. 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 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.40ms. Allocated memory is still 58.7MB. Free memory is still 40.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.11ms. Allocated memory is still 58.7MB. Free memory is still 38.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.91ms. Allocated memory is still 81.8MB. Free memory was 40.1MB in the beginning and 57.6MB in the end (delta: -17.5MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.33ms. Allocated memory is still 81.8MB. Free memory was 57.6MB in the beginning and 55.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.01ms. Allocated memory is still 81.8MB. Free memory was 55.5MB in the beginning and 39.1MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 12442.98ms. Allocated memory is still 81.8MB. Free memory was 39.1MB in the beginning and 31.9MB in the end (delta: 7.3MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 10:10:26,307 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...