This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:08:39,543 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:39,622 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:08:39,629 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:39,630 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:39,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:39,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:39,669 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:39,670 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:39,671 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:39,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:39,672 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:39,672 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:39,674 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:39,675 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:39,675 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:39,675 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:39,676 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:39,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:08:39,676 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:39,676 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:39,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:39,677 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:39,677 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:39,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:39,678 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:39,678 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:39,679 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:39,679 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:39,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:39,680 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:39,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:39,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:39,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:39,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:39,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:39,681 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:39,682 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:08:39,682 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:08:39,682 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:39,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:39,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:39,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:39,685 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:39,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:39,981 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:39,983 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:39,984 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:39,985 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:39,986 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-13 05:08:40,046 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:40,047 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:40,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-13 05:08:41,343 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:41,519 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:41,519 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-13 05:08:41,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/b084cf853/d8c0543132214f92baf886d694c6bd6f/FLAGa3d328d8f [2024-09-13 05:08:41,540 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/b084cf853/d8c0543132214f92baf886d694c6bd6f [2024-09-13 05:08:41,541 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:41,542 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:41,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:41,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:41,547 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:41,548 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:40" (1/2) ... [2024-09-13 05:08:41,548 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530cc7ff and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:41, skipping insertion in model container [2024-09-13 05:08:41,549 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:40" (1/2) ... [2024-09-13 05:08:41,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@7635718 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:41, skipping insertion in model container [2024-09-13 05:08:41,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:41" (2/2) ... [2024-09-13 05:08:41,550 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@530cc7ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41, skipping insertion in model container [2024-09-13 05:08:41,550 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:41" (2/2) ... [2024-09-13 05:08:41,558 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:41,558 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 05:08:41,558 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:41,558 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:41,558 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:41,573 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:41,704 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_unwindbound5.c[537,550] [2024-09-13 05:08:41,720 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:41,729 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:41,765 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_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:41,775 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:41,792 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:41,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41 WrapperNode [2024-09-13 05:08:41,793 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:41,794 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:41,794 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:41,794 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:41,807 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,807 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,813 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,827 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 05:08:41,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,828 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,843 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,844 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:41,845 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:41,845 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:41,845 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:41,846 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (1/1) ... [2024-09-13 05:08:41,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:41,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:41,877 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:08:41,882 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:08:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:41,937 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:41,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:41,939 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:41,939 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:41,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:08:41,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:08:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:08:41,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:42,034 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:42,036 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:42,053 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:42,074 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:42,221 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:42,248 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:42,280 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:42,280 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:42,280 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:42 BoogieIcfgContainer [2024-09-13 05:08:42,280 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:42,281 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:42,281 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:42,282 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:42,282 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:40" (1/4) ... [2024-09-13 05:08:42,284 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@18517332 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:42, skipping insertion in model container [2024-09-13 05:08:42,284 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:41" (2/4) ... [2024-09-13 05:08:42,285 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@18517332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:42, skipping insertion in model container [2024-09-13 05:08:42,285 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41" (3/4) ... [2024-09-13 05:08:42,286 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@18517332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:42, skipping insertion in model container [2024-09-13 05:08:42,286 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:42" (4/4) ... [2024-09-13 05:08:42,287 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-13 05:08:42,290 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:42,291 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 05:08:42,291 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:42,291 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 05:08:42,292 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:08:42,292 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:42,292 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 05:08:42,293 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 05:08:42,293 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 05:08:42,293 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:42,293 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:42,293 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:42,294 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 05:08:42,294 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 05:08:42,294 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 8 loop-free subgraphs from procedure entry to error location [2024-09-13 05:08:42,364 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:42,364 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:42,365 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:42,365 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:42,366 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:42,367 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,376 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:42,377 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,377 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:42,377 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:42,377 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:42,380 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:42,398 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 05:08:42,419 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:42,419 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:42,419 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:42,419 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:42,419 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:42,420 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,422 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:42,422 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,422 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:42,422 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:42,422 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:42,423 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:42,424 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:42,453 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:42,453 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:42,454 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:42,454 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:42,454 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:42,454 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,479 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:42,479 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,479 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:42,479 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:42,480 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:42,480 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:46,483 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:46,508 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:08:46,508 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:46,508 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:46,508 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:46,508 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:46,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,510 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:08:46,510 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,511 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:46,511 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:46,511 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:46,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:46,513 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:46,533 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:46,535 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:46,535 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:46,536 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:46,536 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:46,536 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,538 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:46,540 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,540 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:46,540 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:46,540 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:46,540 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:46,543 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:46,559 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:08:46,560 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:46,560 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:46,560 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:46,560 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:46,561 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,596 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:08:46,597 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,597 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:46,598 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:46,598 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:46,600 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:46,603 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:46,619 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:08:46,619 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:46,620 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:46,620 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:46,620 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:46,620 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,643 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:08:46,644 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,644 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:46,645 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:46,645 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:46,650 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,662 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:50,684 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:50,685 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,685 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,685 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,685 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,685 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,687 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:50,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,687 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,687 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,688 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,688 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,690 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:50,700 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:08:50,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,701 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,701 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,701 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,704 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:08:50,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,705 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,707 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:50,726 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:50,727 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,727 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,727 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,727 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,727 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,729 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:50,729 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,729 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,729 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,729 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,730 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,731 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:08:50,752 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:08:50,753 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,753 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,755 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:08:50,755 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,755 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,756 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,756 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,756 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,758 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:50,767 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:08:50,767 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,767 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,767 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,767 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,768 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,772 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:08:50,772 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,772 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,773 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,773 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,773 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,775 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:08:50,786 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:08:50,786 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,787 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,787 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,787 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,787 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,815 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:08:50,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,816 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,816 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,816 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,824 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,829 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:54,836 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:08:54,837 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@18517332 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:08:54, skipping insertion in model container [2024-09-13 05:08:54,837 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:08:54,838 INFO L158 Benchmark]: Toolchain (without parser) took 13296.13ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 110.1MB in the beginning and 137.5MB in the end (delta: -27.4MB). Peak memory consumption was 55.9MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,839 INFO L158 Benchmark]: Witness Parser took 0.18ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 116.8MB in the end (delta: 138.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:54,839 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:54,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.67ms. Allocated memory is still 148.9MB. Free memory was 110.1MB in the beginning and 96.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,840 INFO L158 Benchmark]: Boogie Preprocessor took 50.21ms. Allocated memory is still 148.9MB. Free memory was 96.0MB in the beginning and 94.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,841 INFO L158 Benchmark]: RCFGBuilder took 435.66ms. Allocated memory is still 148.9MB. Free memory was 93.9MB in the beginning and 106.3MB in the end (delta: -12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,841 INFO L158 Benchmark]: Referee took 12556.09ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 106.3MB in the beginning and 137.5MB in the end (delta: -31.2MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,844 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 check that procedure precondition always holds at line 37. 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 loop head at line 36. 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 25. 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 loop head at line 36. 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 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 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 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 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.18ms. Allocated memory is still 148.9MB. Free memory was 116.9MB in the beginning and 116.8MB in the end (delta: 138.6kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.21ms. Allocated memory is still 148.9MB. Free memory is still 114.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.67ms. Allocated memory is still 148.9MB. Free memory was 110.1MB in the beginning and 96.0MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.21ms. Allocated memory is still 148.9MB. Free memory was 96.0MB in the beginning and 94.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 435.66ms. Allocated memory is still 148.9MB. Free memory was 93.9MB in the beginning and 106.3MB in the end (delta: -12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Referee took 12556.09ms. Allocated memory was 148.9MB in the beginning and 188.7MB in the end (delta: 39.8MB). Free memory was 106.3MB in the beginning and 137.5MB in the end (delta: -31.2MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:08:54,870 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:08:56,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:57,021 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:08:57,026 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:57,027 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:57,057 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:57,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:57,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:57,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:57,059 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:57,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:57,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:57,060 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:57,064 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:57,064 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:57,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:57,065 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:57,065 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:57,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:57,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:57,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:57,066 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:57,066 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:57,067 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:08:57,068 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:08:57,068 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:57,069 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:08:57,069 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:57,069 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:57,069 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:57,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:57,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:57,070 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:57,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:57,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:57,071 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:57,073 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:57,074 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:57,074 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:57,074 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:08:57,075 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:08:57,075 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:57,075 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:57,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:57,076 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:57,076 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:08:57,076 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/certificate-witnesses-artifact/referee/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:57,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:57,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:57,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:57,404 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:57,405 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:57,407 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound5.yml/witness-2.1.yml [2024-09-13 05:08:57,460 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:57,460 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:57,461 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-13 05:08:59,096 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:59,286 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:59,287 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound5.c [2024-09-13 05:08:59,295 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/020345d1f/de3ab759747349f9bf815562aab23f0c/FLAG1e3e3b808 [2024-09-13 05:08:59,681 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/020345d1f/de3ab759747349f9bf815562aab23f0c [2024-09-13 05:08:59,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:59,682 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:59,683 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:59,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:59,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:59,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:57" (1/2) ... [2024-09-13 05:08:59,692 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c23c832 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:59, skipping insertion in model container [2024-09-13 05:08:59,692 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:57" (1/2) ... [2024-09-13 05:08:59,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@77d342a8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:59, skipping insertion in model container [2024-09-13 05:08:59,694 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:59" (2/2) ... [2024-09-13 05:08:59,694 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c23c832 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59, skipping insertion in model container [2024-09-13 05:08:59,694 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:59" (2/2) ... [2024-09-13 05:08:59,702 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:59,702 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 05:08:59,702 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:59,702 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:59,703 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:59,721 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:59,860 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_unwindbound5.c[537,550] [2024-09-13 05:08:59,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:59,903 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:59,942 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_unwindbound5.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:59,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:59,968 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:59,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59 WrapperNode [2024-09-13 05:08:59,969 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:59,970 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:59,970 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:59,970 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:59,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:08:59,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:08:59,985 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:08:59,992 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 05:08:59,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:08:59,993 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:09:00,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:09:00,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:09:00,010 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:09:00,011 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:09:00,013 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:09:00,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:09:00,014 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:09:00,014 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:09:00,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (1/1) ... [2024-09-13 05:09:00,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:09:00,025 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:09:00,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-09-13 05:09:00,042 INFO L327 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-09-13 05:09:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:09:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:09:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:09:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:09:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:09:00,077 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:09:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:09:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:09:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:09:00,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:09:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:09:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:09:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:09:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:09:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:09:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:09:00,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:09:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:09:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:09:00,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:09:00,142 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:09:00,145 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:09:00,166 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:00,204 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:00,511 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:09:00,536 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:09:00,580 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:09:00,580 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:09:00,581 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:00 BoogieIcfgContainer [2024-09-13 05:09:00,581 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:09:00,582 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:09:00,582 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:09:00,582 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:09:00,583 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 13.09 05:08:57" (1/4) ... [2024-09-13 05:09:00,583 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f1a933a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:09:00, skipping insertion in model container [2024-09-13 05:09:00,583 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:59" (2/4) ... [2024-09-13 05:09:00,583 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f1a933a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:00, skipping insertion in model container [2024-09-13 05:09:00,583 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:59" (3/4) ... [2024-09-13 05:09:00,584 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f1a933a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:09:00, skipping insertion in model container [2024-09-13 05:09:00,584 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:09:00" (4/4) ... [2024-09-13 05:09:00,587 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound5.c [2024-09-13 05:09:00,591 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:09:00,591 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 05:09:00,592 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:09:00,592 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 05:09:00,592 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:09:00,592 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:00,592 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 05:09:00,592 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 05:09:00,593 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 05:09:00,593 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:09:00,593 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-13 05:09:00,593 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:09:00,593 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 05:09:00,593 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 05:09:00,594 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head 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 procedure entry to loop head [2024-09-13 05:09:00,649 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:09:00,650 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:00,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:00,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:00,652 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:00,654 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:00,664 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:09:00,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:00,666 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:00,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:00,666 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:00,669 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:00,682 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 05:09:00,700 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:09:00,701 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:00,701 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:00,701 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:00,701 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:00,701 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:00,704 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:09:00,704 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:00,704 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:00,704 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:00,704 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:00,704 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:00,706 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:00,735 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:09:00,735 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:00,735 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:00,736 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:00,736 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:00,736 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:00,750 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:09:00,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:00,753 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:00,754 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:00,754 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:00,754 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:04,776 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:04,797 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:09:04,797 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:04,797 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:04,797 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:04,798 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:04,798 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,799 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:09:04,799 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,799 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:04,799 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:04,799 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:04,799 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:04,801 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:04,814 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:04,814 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:04,814 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:04,814 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:04,815 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:04,815 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,816 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:04,816 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,816 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:04,816 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:04,817 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:04,817 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:04,818 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:04,840 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:09:04,841 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:04,844 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:04,844 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:04,844 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:04,845 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,887 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:09:04,888 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,888 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:04,888 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:04,888 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:04,889 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:04,891 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:04,910 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:09:04,910 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:04,911 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:04,911 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:04,911 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:04,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,926 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:09:04,927 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,927 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:04,927 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:04,927 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:04,930 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:04,960 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:04,978 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:04,979 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:04,979 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:04,979 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:04,979 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:04,979 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,980 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:04,980 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,980 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:04,980 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:04,981 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:04,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:04,982 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:04,994 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:04,995 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:04,995 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:04,995 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:04,995 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:04,995 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,998 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:04,998 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:04,998 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:04,999 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:04,999 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:05,000 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:05,002 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:05,011 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:05,011 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:05,012 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:05,012 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:05,012 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:05,012 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:05,013 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:05,013 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:05,013 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:05,013 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:05,013 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:05,014 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:05,016 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:05,025 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:09:05,025 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:05,025 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:05,025 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:05,025 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:05,026 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:05,028 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:09:05,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:05,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:05,029 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:05,029 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:05,029 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:05,030 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:05,041 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:09:05,042 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:05,042 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:05,044 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:05,044 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:05,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:05,048 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:09:05,049 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:05,049 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:05,049 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:05,050 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:05,050 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:09,063 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:09,078 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:09:09,079 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:09,079 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:09,079 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:09,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:09,080 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:09,095 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:09:09,096 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:09,096 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:09,096 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:09,096 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:09,101 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:13,147 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:13,164 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:13,164 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6f1a933a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:13, skipping insertion in model container [2024-09-13 05:09:13,164 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:13,166 INFO L158 Benchmark]: Toolchain (without parser) took 13483.02ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 31.5MB in the beginning and 43.3MB in the end (delta: -11.8MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,166 INFO L158 Benchmark]: Witness Parser took 0.31ms. Allocated memory is still 44.0MB. Free memory was 22.7MB in the beginning and 22.7MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:13,167 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 44.0MB. Free memory was 20.6MB in the beginning and 20.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:13,167 INFO L158 Benchmark]: CACSL2BoogieTranslator took 286.11ms. Allocated memory is still 60.8MB. Free memory was 31.3MB in the beginning and 32.4MB in the end (delta: -1.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,167 INFO L158 Benchmark]: Boogie Preprocessor took 42.98ms. Allocated memory is still 60.8MB. Free memory was 32.4MB in the beginning and 30.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,168 INFO L158 Benchmark]: RCFGBuilder took 567.70ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 30.2MB in the beginning and 45.5MB in the end (delta: -15.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,168 INFO L158 Benchmark]: Referee took 12582.92ms. Allocated memory is still 75.5MB. Free memory was 45.5MB in the beginning and 43.3MB in the end (delta: 2.2MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:13,172 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 check that procedure precondition always holds at line 37. 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 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 28. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from 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 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 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 loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.31ms. Allocated memory is still 44.0MB. Free memory was 22.7MB in the beginning and 22.7MB in the end (delta: 42.2kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.17ms. Allocated memory is still 44.0MB. Free memory was 20.6MB in the beginning and 20.6MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 286.11ms. Allocated memory is still 60.8MB. Free memory was 31.3MB in the beginning and 32.4MB in the end (delta: -1.1MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.98ms. Allocated memory is still 60.8MB. Free memory was 32.4MB in the beginning and 30.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.70ms. Allocated memory was 60.8MB in the beginning and 75.5MB in the end (delta: 14.7MB). Free memory was 30.2MB in the beginning and 45.5MB in the end (delta: -15.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 12582.92ms. Allocated memory is still 75.5MB. Free memory was 45.5MB in the beginning and 43.3MB in the end (delta: 2.2MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:13,205 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...