./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5189fb62 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:08:39,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:39,699 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-13 05:08:39,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:39,703 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:39,719 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:39,719 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:39,720 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:39,720 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:39,723 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:39,723 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:39,724 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:39,724 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:39,724 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:39,724 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:39,724 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:39,725 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:39,725 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:39,725 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-13 05:08:39,725 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:39,725 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:39,727 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:39,727 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:39,727 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:39,727 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:39,728 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:39,728 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:39,728 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:39,728 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:39,728 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:39,728 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:39,728 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:39,729 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:39,729 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:39,729 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:39,730 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:39,730 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:39,730 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-13 05:08:39,730 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-13 05:08:39,730 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:39,731 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:39,731 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:39,731 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:39,731 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:39,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:39,935 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:39,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:39,938 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:39,938 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:39,939 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-13 05:08:39,981 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:39,982 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:39,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-13 05:08:41,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:41,308 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:41,309 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-13 05:08:41,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/23c94a864/15b6c3800aee458e94c9a57ee2ada187/FLAG4988f8dd7 [2024-09-13 05:08:41,325 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/23c94a864/15b6c3800aee458e94c9a57ee2ada187 [2024-09-13 05:08:41,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:41,327 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:41,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:41,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:41,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:41,332 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 05:08:39" (1/2) ... [2024-09-13 05:08:41,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565da51b 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 05:08:41,333 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 05:08:39" (1/2) ... [2024-09-13 05:08:41,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@777dd212 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 05:08:41,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:41" (2/2) ... [2024-09-13 05:08:41,335 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565da51b 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 05:08:41,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:41" (2/2) ... [2024-09-13 05:08:41,341 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:41,341 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 05:08:41,341 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:41,341 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:41,342 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:41,357 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:41,503 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_unwindbound50.c[537,550] [2024-09-13 05:08:41,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:41,525 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:41,558 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_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:41,573 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:41,589 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:41,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:41 WrapperNode [2024-09-13 05:08:41,590 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:41,591 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:41,591 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:41,591 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:41,602 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 05:08:41,602 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 05:08:41,608 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 05:08:41,620 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 05:08:41,620 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 05:08:41,620 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 05:08:41,627 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 05:08:41,629 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 05:08:41,630 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 05:08:41,633 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 05:08:41,635 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:41,636 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:41,636 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:41,636 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:41,637 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 05:08:41,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:41,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:41,664 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 05:08:41,666 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 05:08:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:41,708 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:41,708 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-13 05:08:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:41,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-13 05:08:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-13 05:08:41,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:41,758 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:41,760 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:41,776 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:41,796 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:41,907 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:41,919 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:41,947 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:41,947 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:41,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:41 BoogieIcfgContainer [2024-09-13 05:08:41,948 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:41,948 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:41,948 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:41,949 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:41,949 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 05:08:39" (1/4) ... [2024-09-13 05:08:41,949 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a3330cf and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:41, skipping insertion in model container [2024-09-13 05:08:41,950 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:41" (2/4) ... [2024-09-13 05:08:41,950 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a3330cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:41, skipping insertion in model container [2024-09-13 05:08:41,950 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 05:08:41,950 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a3330cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:41, skipping insertion in model container [2024-09-13 05:08:41,950 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:41" (4/4) ... [2024-09-13 05:08:41,951 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-13 05:08:41,954 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:41,954 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 05:08:41,954 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:41,954 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 05:08:41,954 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:08:41,954 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:41,955 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 05:08:41,955 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 05:08:41,955 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 05:08:41,955 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 05:08:41,955 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 05:08:41,955 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:41,955 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 05:08:41,955 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 05:08:41,955 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 3 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head [2024-09-13 05:08:41,996 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:41,997 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:41,997 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:41,998 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:41,998 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:42,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,006 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:42,007 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,007 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:42,008 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:42,008 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:42,010 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:42,024 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 05:08:42,043 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:42,043 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:42,043 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:42,043 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:42,044 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:42,044 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,045 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:42,045 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,046 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:42,046 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:42,046 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:42,046 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:42,050 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:42,068 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:42,068 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:42,068 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:42,068 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:42,068 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:42,069 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,091 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:42,091 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:42,091 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:42,091 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:42,092 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:42,092 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:46,094 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:46,118 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:08:46,118 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:46,118 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:46,118 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:46,118 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:46,118 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,124 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:08:46,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,124 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:46,124 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:46,124 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:46,125 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:46,126 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:46,141 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:46,141 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:46,141 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:46,143 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:46,143 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:46,144 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,145 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:46,145 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,145 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:46,145 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:46,145 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:46,145 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:46,147 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:46,157 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:08:46,158 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:46,158 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:46,158 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:46,158 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:46,158 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,203 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:08:46,203 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,203 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:46,204 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:46,204 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:46,205 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:46,208 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:46,218 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:08:46,218 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:46,218 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:46,218 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:46,218 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:46,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,233 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:08:46,235 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:46,235 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:46,235 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:46,235 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:46,239 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,247 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:50,257 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:50,257 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,257 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,257 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,257 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,257 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,258 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:50,258 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,258 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,258 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,259 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,259 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,264 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:50,271 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:08:50,271 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,272 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,272 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,272 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,272 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,274 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:08:50,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,274 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,275 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,276 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:08:50,283 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:08:50,283 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,283 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,283 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,283 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,283 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,284 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:08:50,284 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,284 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,285 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,285 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,285 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,286 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:08:50,293 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:08:50,293 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,293 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,294 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,294 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,294 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,295 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:08:50,295 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,295 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,295 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,296 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,296 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,297 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:50,304 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:08:50,304 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,304 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,304 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,304 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,304 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,307 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:08:50,308 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,308 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,308 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,308 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,308 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:50,311 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:08:50,319 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:08:50,319 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:50,320 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:50,320 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:50,320 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:50,320 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,336 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:08:50,336 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:50,337 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:50,337 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:50,337 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:50,341 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:54,344 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:08:54,358 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:08:54,359 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2a3330cf 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 05:08:54,359 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:08:54,360 INFO L158 Benchmark]: Toolchain (without parser) took 13033.04ms. Allocated memory is still 148.9MB. Free memory was 91.7MB in the beginning and 79.4MB in the end (delta: 12.3MB). Peak memory consumption was 33.9MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,360 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:54,361 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:08:54,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.92ms. Allocated memory is still 148.9MB. Free memory was 91.3MB in the beginning and 110.0MB in the end (delta: -18.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,361 INFO L158 Benchmark]: Boogie Preprocessor took 43.80ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 108.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,362 INFO L158 Benchmark]: RCFGBuilder took 312.26ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 93.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,362 INFO L158 Benchmark]: Referee took 12410.50ms. Allocated memory is still 148.9MB. Free memory was 93.0MB in the beginning and 79.4MB in the end (delta: 13.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2024-09-13 05:08:54,365 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 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. 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 loop head at line 36. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. 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 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 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 100.7MB. Free memory is still 47.2MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 100.7MB. Free memory is still 45.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 262.92ms. Allocated memory is still 148.9MB. Free memory was 91.3MB in the beginning and 110.0MB in the end (delta: -18.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.80ms. Allocated memory is still 148.9MB. Free memory was 110.0MB in the beginning and 108.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 312.26ms. Allocated memory is still 148.9MB. Free memory was 108.0MB in the beginning and 93.0MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12410.50ms. Allocated memory is still 148.9MB. Free memory was 93.0MB in the beginning and 79.4MB in the end (delta: 13.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:08:54,389 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-5189fb6-m [2024-09-13 05:08:56,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-13 05:08:56,258 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-13 05:08:56,264 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-13 05:08:56,265 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-13 05:08:56,289 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-13 05:08:56,290 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-13 05:08:56,290 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-13 05:08:56,291 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-13 05:08:56,294 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-13 05:08:56,294 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-13 05:08:56,294 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-13 05:08:56,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-13 05:08:56,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-13 05:08:56,295 INFO L153 SettingsManager]: * Use SBE=true [2024-09-13 05:08:56,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-13 05:08:56,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-13 05:08:56,295 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-13 05:08:56,295 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-13 05:08:56,296 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-13 05:08:56,296 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-13 05:08:56,299 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-13 05:08:56,299 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-13 05:08:56,299 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-13 05:08:56,299 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-13 05:08:56,299 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-13 05:08:56,299 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-13 05:08:56,299 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-13 05:08:56,300 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-13 05:08:56,300 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-13 05:08:56,300 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-13 05:08:56,300 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-13 05:08:56,300 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-13 05:08:56,300 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-13 05:08:56,300 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-13 05:08:56,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:56,301 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-13 05:08:56,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-13 05:08:56,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-13 05:08:56,301 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-13 05:08:56,301 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-13 05:08:56,303 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-13 05:08:56,303 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-13 05:08:56,303 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-13 05:08:56,304 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-13 05:08:56,304 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-13 05:08:56,304 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-13 05:08:56,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-13 05:08:56,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-13 05:08:56,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-13 05:08:56,555 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-13 05:08:56,556 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-13 05:08:56,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound50.yml/witness-2.1.yml [2024-09-13 05:08:56,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-13 05:08:56,602 INFO L274 PluginConnector]: CDTParser initialized [2024-09-13 05:08:56,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-13 05:08:57,970 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-13 05:08:58,110 INFO L384 CDTParser]: Found 1 translation units. [2024-09-13 05:08:58,111 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound50.c [2024-09-13 05:08:58,117 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/07cfa3c54/6044b56cd8524c01ae928f4547c95fec/FLAG8c45ad9a2 [2024-09-13 05:08:58,130 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/07cfa3c54/6044b56cd8524c01ae928f4547c95fec [2024-09-13 05:08:58,130 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-13 05:08:58,131 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-13 05:08:58,132 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:58,132 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-13 05:08:58,136 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-13 05:08:58,137 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 05:08:56" (1/2) ... [2024-09-13 05:08:58,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16580c40 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:58, skipping insertion in model container [2024-09-13 05:08:58,138 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 05:08:56" (1/2) ... [2024-09-13 05:08:58,139 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@33dd0bbd and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 13.09 05:08:58, skipping insertion in model container [2024-09-13 05:08:58,139 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:58" (2/2) ... [2024-09-13 05:08:58,140 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16580c40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58, skipping insertion in model container [2024-09-13 05:08:58,140 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.09 05:08:58" (2/2) ... [2024-09-13 05:08:58,150 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-13 05:08:58,151 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 05:08:58,151 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-13 05:08:58,151 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-13 05:08:58,151 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-13 05:08:58,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-13 05:08:58,330 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_unwindbound50.c[537,550] [2024-09-13 05:08:58,350 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:58,362 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-13 05:08:58,396 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_unwindbound50.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-13 05:08:58,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-13 05:08:58,429 INFO L204 MainTranslator]: Completed translation [2024-09-13 05:08:58,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58 WrapperNode [2024-09-13 05:08:58,430 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-13 05:08:58,431 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-13 05:08:58,431 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-13 05:08:58,431 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-13 05:08:58,442 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,449 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,462 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 05:08:58,463 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,472 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,475 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,480 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,481 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-13 05:08:58,484 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-13 05:08:58,484 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-13 05:08:58,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-13 05:08:58,485 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (1/1) ... [2024-09-13 05:08:58,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-13 05:08:58,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-13 05:08:58,512 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 05:08:58,515 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 05:08:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-13 05:08:58,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-13 05:08:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-13 05:08:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-13 05:08:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-13 05:08:58,556 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-13 05:08:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-13 05:08:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-13 05:08:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-13 05:08:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-13 05:08:58,556 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-13 05:08:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-13 05:08:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-13 05:08:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-13 05:08:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-13 05:08:58,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-13 05:08:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-13 05:08:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-13 05:08:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-13 05:08:58,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-13 05:08:58,623 INFO L242 CfgBuilder]: Building ICFG [2024-09-13 05:08:58,625 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-13 05:08:58,644 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:58,679 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:58,953 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-13 05:08:58,974 INFO L291 CfgBuilder]: Performing block encoding [2024-09-13 05:08:59,007 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-13 05:08:59,008 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-13 05:08:59,008 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:59 BoogieIcfgContainer [2024-09-13 05:08:59,008 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-13 05:08:59,009 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-13 05:08:59,009 INFO L270 PluginConnector]: Initializing Referee... [2024-09-13 05:08:59,010 INFO L274 PluginConnector]: Referee initialized [2024-09-13 05:08:59,010 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 05:08:56" (1/4) ... [2024-09-13 05:08:59,011 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@369aa522 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 13.09 05:08:59, skipping insertion in model container [2024-09-13 05:08:59,012 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 13.09 05:08:58" (2/4) ... [2024-09-13 05:08:59,012 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@369aa522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:59, skipping insertion in model container [2024-09-13 05:08:59,012 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.09 05:08:58" (3/4) ... [2024-09-13 05:08:59,012 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@369aa522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 13.09 05:08:59, skipping insertion in model container [2024-09-13 05:08:59,013 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.09 05:08:59" (4/4) ... [2024-09-13 05:08:59,014 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound50.c [2024-09-13 05:08:59,016 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-13 05:08:59,017 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 05:08:59,017 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-13 05:08:59,018 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 05:08:59,018 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-13 05:08:59,018 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-13 05:08:59,018 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 05:08:59,019 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 05:08:59,019 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 05:08:59,019 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 05:08:59,019 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 05:08:59,019 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-13 05:08:59,019 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 05:08:59,020 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 05:08:59,020 INFO L130 InvariantChecker]: Will check 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, 3 loop-free subgraphs from loop head to error location [2024-09-13 05:08:59,080 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-13 05:08:59,081 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:59,081 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:59,082 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:59,082 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:59,084 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:59,095 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-13 05:08:59,097 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:59,097 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:59,098 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:59,098 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:59,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:59,120 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 05:08:59,146 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:59,146 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:59,146 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:59,146 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:59,146 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:59,146 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:59,148 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:59,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:59,149 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:59,149 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:59,149 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:59,149 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:08:59,150 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:08:59,167 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-13 05:08:59,167 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:08:59,167 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:08:59,168 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:08:59,168 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:08:59,168 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:59,179 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-13 05:08:59,180 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:08:59,180 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:08:59,180 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:08:59,180 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:08:59,180 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:03,199 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:03,219 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-13 05:09:03,219 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:03,219 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:03,219 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:03,219 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:03,219 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,220 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-13 05:09:03,220 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,220 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:03,220 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:03,220 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:03,220 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:03,226 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:03,237 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:03,237 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:03,238 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:03,238 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:03,238 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:03,238 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,239 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:03,239 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,239 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:03,240 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:03,240 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:03,240 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:03,243 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:03,261 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-13 05:09:03,263 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:03,264 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:03,264 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:03,264 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:03,264 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,309 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-13 05:09:03,311 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,311 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:03,311 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:03,312 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:03,312 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:03,314 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:03,332 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-13 05:09:03,333 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:03,333 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:03,333 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:03,333 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:03,333 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,350 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-13 05:09:03,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:03,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:03,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:03,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:03,356 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,374 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:07,388 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:07,389 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,389 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,389 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,389 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,389 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,390 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:07,390 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,390 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,390 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,390 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,390 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,391 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:07,402 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-13 05:09:07,402 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,402 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,403 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,403 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,403 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,405 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-13 05:09:07,407 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,407 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,407 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,407 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,407 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,408 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-13 05:09:07,416 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-13 05:09:07,417 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,417 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,417 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,417 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,417 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,418 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-13 05:09:07,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,419 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,419 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,419 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,419 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,422 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-13 05:09:07,430 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-13 05:09:07,431 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,431 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,431 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,431 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,431 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,433 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-13 05:09:07,433 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,434 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,434 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,434 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,434 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,435 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-13 05:09:07,442 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-13 05:09:07,442 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,443 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,443 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,443 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,443 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,447 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-13 05:09:07,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,447 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,447 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,448 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,448 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:07,455 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-13 05:09:07,464 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-13 05:09:07,465 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-13 05:09:07,465 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-13 05:09:07,465 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-13 05:09:07,465 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-13 05:09:07,465 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,487 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-13 05:09:07,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-13 05:09:07,490 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-13 05:09:07,490 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-13 05:09:07,490 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-13 05:09:07,493 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-13 05:09:11,522 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-13 05:09:11,535 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-13 05:09:11,536 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@369aa522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 13.09 05:09:11, skipping insertion in model container [2024-09-13 05:09:11,536 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-13 05:09:11,537 INFO L158 Benchmark]: Toolchain (without parser) took 13405.23ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 46.5MB in the beginning and 82.9MB in the end (delta: -36.4MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2024-09-13 05:09:11,537 INFO L158 Benchmark]: Witness Parser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 31.8MB in the beginning and 31.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:11,538 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-13 05:09:11,538 INFO L158 Benchmark]: CACSL2BoogieTranslator took 297.81ms. Allocated memory is still 86.0MB. Free memory was 46.2MB in the beginning and 57.6MB in the end (delta: -11.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-09-13 05:09:11,538 INFO L158 Benchmark]: Boogie Preprocessor took 52.33ms. Allocated memory is still 86.0MB. Free memory was 57.6MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-13 05:09:11,539 INFO L158 Benchmark]: RCFGBuilder took 523.99ms. Allocated memory is still 86.0MB. Free memory was 55.2MB in the beginning and 39.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-13 05:09:11,539 INFO L158 Benchmark]: Referee took 12527.02ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 39.1MB in the beginning and 82.9MB in the end (delta: -43.8MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2024-09-13 05:09:11,542 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 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. 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 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 loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. 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 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 loop head at line 36. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.14ms. Allocated memory is still 54.5MB. Free memory was 31.8MB in the beginning and 31.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.12ms. Allocated memory is still 54.5MB. Free memory is still 29.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 297.81ms. Allocated memory is still 86.0MB. Free memory was 46.2MB in the beginning and 57.6MB in the end (delta: -11.5MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.33ms. Allocated memory is still 86.0MB. Free memory was 57.6MB in the beginning and 55.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 523.99ms. Allocated memory is still 86.0MB. Free memory was 55.2MB in the beginning and 39.1MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 12527.02ms. Allocated memory was 86.0MB in the beginning and 109.1MB in the end (delta: 23.1MB). Free memory was 39.1MB in the beginning and 82.9MB in the end (delta: -43.8MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-13 05:09:11,571 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... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN