./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ca4ee3dd 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_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:26,074 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:26,147 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-20 20:11:26,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:26,152 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:26,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:26,185 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:26,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:26,186 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:26,186 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:26,187 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:26,187 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:26,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:26,188 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:26,188 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:26,190 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:26,190 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:26,190 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:26,191 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-20 20:11:26,191 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:26,191 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:26,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:26,196 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:26,196 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:26,196 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:26,196 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:26,196 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:26,197 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:26,197 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:26,197 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:26,197 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:26,198 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:26,198 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:26,198 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:26,198 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:26,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:26,199 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:26,199 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-20 20:11:26,201 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-20 20:11:26,202 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:26,202 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:26,203 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:26,203 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:26,203 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:26,470 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:26,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:26,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:26,500 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:26,501 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:26,503 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-20 20:11:26,557 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:26,558 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:26,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-20 20:11:27,998 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:28,181 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:28,182 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-20 20:11:28,190 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d38225431/c5688de21df24ed19a6bf54387d35c16/FLAG2292d8f68 [2024-09-20 20:11:28,569 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d38225431/c5688de21df24ed19a6bf54387d35c16 [2024-09-20 20:11:28,570 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:28,571 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:28,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:28,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:28,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:28,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:26" (1/2) ... [2024-09-20 20:11:28,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea06222 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:28, skipping insertion in model container [2024-09-20 20:11:28,581 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:26" (1/2) ... [2024-09-20 20:11:28,582 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@59815ae5 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:28, skipping insertion in model container [2024-09-20 20:11:28,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:28" (2/2) ... [2024-09-20 20:11:28,583 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ea06222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28, skipping insertion in model container [2024-09-20 20:11:28,583 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:28" (2/2) ... [2024-09-20 20:11:28,589 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:28,590 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 20:11:28,590 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:28,590 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:11:28,590 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:11:28,607 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:28,755 WARN L248 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_unwindbound20.c[537,550] [2024-09-20 20:11:28,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:28,791 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:28,834 WARN L248 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_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 20:11:28,844 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:28,866 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:28,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28 WrapperNode [2024-09-20 20:11:28,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:28,868 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:28,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:28,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:28,883 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,883 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,898 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 [2024-09-20 20:11:28,898 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,898 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,903 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,908 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,910 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,912 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:28,913 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:28,914 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:28,914 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:28,915 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (1/1) ... [2024-09-20 20:11:28,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:28,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:28,945 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) [2024-09-20 20:11:28,948 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 [2024-09-20 20:11:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:29,001 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-20 20:11:29,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-20 20:11:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-20 20:11:29,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:29,081 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:29,082 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:29,100 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:29,133 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:29,360 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:29,379 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:29,405 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:29,406 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:29,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:29 BoogieIcfgContainer [2024-09-20 20:11:29,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:29,407 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:29,407 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:29,409 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:29,409 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:26" (1/4) ... [2024-09-20 20:11:29,410 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@13b55186 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:29, skipping insertion in model container [2024-09-20 20:11:29,410 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:28" (2/4) ... [2024-09-20 20:11:29,410 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@13b55186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:29, skipping insertion in model container [2024-09-20 20:11:29,410 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:28" (3/4) ... [2024-09-20 20:11:29,411 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@13b55186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:29, skipping insertion in model container [2024-09-20 20:11:29,411 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:29" (4/4) ... [2024-09-20 20:11:29,412 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-20 20:11:29,417 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:29,418 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:29,418 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:29,419 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:29,419 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:11:29,419 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:29,422 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:11:29,423 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:11:29,423 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:29,423 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:29,423 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:29,423 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:29,424 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:29,424 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:11:29,424 INFO L131 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 [2024-09-20 20:11:29,471 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:29,472 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,473 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,473 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,489 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:29,490 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,491 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,491 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,491 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,497 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,525 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:29,554 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:29,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,555 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,555 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,558 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:29,558 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,558 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,558 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,558 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,559 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:29,560 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:29,593 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:29,594 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:29,594 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:29,595 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:29,595 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:29,595 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,615 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:29,616 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:29,617 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:29,617 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:29,617 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:29,617 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,622 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:33,651 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:11:33,651 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,651 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,651 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,652 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,652 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,652 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:11:33,653 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,653 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,653 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,653 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,653 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,656 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:33,668 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:33,669 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,669 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,669 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,669 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,669 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,670 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:33,671 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,671 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,671 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,671 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,671 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,673 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:33,685 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:11:33,686 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,686 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,686 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,686 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,687 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,715 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:11:33,715 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,716 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,716 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,716 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,717 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:33,718 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:33,732 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:33,733 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:33,733 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:33,733 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:33,733 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:33,733 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,759 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:33,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:33,760 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:33,760 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:33,761 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:33,768 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:37,774 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:37,792 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:37,793 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:37,793 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:37,793 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:37,793 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:37,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,794 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:37,794 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,794 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:37,795 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:37,795 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:37,795 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:37,797 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:37,809 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:37,809 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:37,809 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:37,810 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:37,810 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:37,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,813 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:37,813 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,813 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:37,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:37,813 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:37,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:37,816 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:37,828 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:37,828 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:37,828 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:37,828 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:37,829 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:37,829 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,830 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:37,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,831 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:37,831 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:37,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:37,831 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:37,833 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:37,868 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:37,872 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:37,872 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:37,872 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:37,873 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:37,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,875 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:37,875 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,875 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:37,875 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:37,875 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:37,876 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:37,880 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:37,897 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:37,901 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:37,901 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:37,901 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:37,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:37,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,911 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:37,911 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,911 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:37,911 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:37,911 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:37,911 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:37,932 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:37,941 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:37,941 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:37,942 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:37,942 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:37,942 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:37,942 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,974 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:37,974 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:37,974 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:37,974 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:37,975 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:37,981 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:41,986 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:41,995 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:41,995 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@13b55186 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:41, skipping insertion in model container [2024-09-20 20:11:41,995 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:41,997 INFO L158 Benchmark]: Toolchain (without parser) took 13425.29ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 117.4MB in the end (delta: -2.0MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:41,997 INFO L158 Benchmark]: Witness Parser took 0.54ms. Allocated memory is still 96.5MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:41,997 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:41,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.50ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 101.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:41,998 INFO L158 Benchmark]: Boogie Preprocessor took 44.53ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 99.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:41,999 INFO L158 Benchmark]: RCFGBuilder took 493.64ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 124.0MB in the end (delta: -24.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-09-20 20:11:41,999 INFO L158 Benchmark]: Referee took 12588.43ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 117.4MB in the end (delta: 6.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2024-09-20 20:11:42,002 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 loop head at line 36. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 26. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 28. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 13. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.54ms. Allocated memory is still 96.5MB. Free memory was 57.7MB in the beginning and 57.6MB in the end (delta: 69.9kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 96.5MB. Free memory was 55.6MB in the beginning and 55.5MB in the end (delta: 70.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.50ms. Allocated memory is still 167.8MB. Free memory was 115.4MB in the beginning and 101.2MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.53ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 99.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 493.64ms. Allocated memory is still 167.8MB. Free memory was 99.2MB in the beginning and 124.0MB in the end (delta: -24.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Referee took 12588.43ms. Allocated memory is still 167.8MB. Free memory was 124.0MB in the beginning and 117.4MB in the end (delta: 6.6MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:42,029 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 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_unwindbound20.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.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-tmp.dk.referee-eval-ca4ee3d-m [2024-09-20 20:11:44,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-20 20:11:44,182 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-20 20:11:44,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-20 20:11:44,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-20 20:11:44,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-20 20:11:44,221 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-20 20:11:44,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-20 20:11:44,222 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-20 20:11:44,223 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-20 20:11:44,223 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-20 20:11:44,223 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-20 20:11:44,224 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-20 20:11:44,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-20 20:11:44,224 INFO L153 SettingsManager]: * Use SBE=true [2024-09-20 20:11:44,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-20 20:11:44,225 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-20 20:11:44,225 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-20 20:11:44,225 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-20 20:11:44,226 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-20 20:11:44,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-20 20:11:44,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-20 20:11:44,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-20 20:11:44,235 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-20 20:11:44,235 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-20 20:11:44,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-20 20:11:44,235 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-20 20:11:44,236 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-20 20:11:44,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-20 20:11:44,236 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-20 20:11:44,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-20 20:11:44,237 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-20 20:11:44,237 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-20 20:11:44,238 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-20 20:11:44,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-20 20:11:44,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:44,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-20 20:11:44,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-20 20:11:44,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-20 20:11:44,239 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-20 20:11:44,239 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-20 20:11:44,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-20 20:11:44,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-20 20:11:44,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-20 20:11:44,242 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-20 20:11:44,242 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-20 20:11:44,242 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-20 20:11:44,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-20 20:11:44,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-20 20:11:44,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-20 20:11:44,587 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-20 20:11:44,588 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-20 20:11:44,590 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound20.yml/witness-2.1.yml [2024-09-20 20:11:44,650 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-20 20:11:44,651 INFO L274 PluginConnector]: CDTParser initialized [2024-09-20 20:11:44,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-20 20:11:46,248 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-20 20:11:46,427 INFO L384 CDTParser]: Found 1 translation units. [2024-09-20 20:11:46,427 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-09-20 20:11:46,434 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/0bf32e065/b4ece2d290e249989a9fd9f38245b245/FLAGb420a6e91 [2024-09-20 20:11:46,451 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/0bf32e065/b4ece2d290e249989a9fd9f38245b245 [2024-09-20 20:11:46,452 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-20 20:11:46,454 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-20 20:11:46,455 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:46,455 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-20 20:11:46,462 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-20 20:11:46,462 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:44" (1/2) ... [2024-09-20 20:11:46,464 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1e0af0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:46, skipping insertion in model container [2024-09-20 20:11:46,465 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:44" (1/2) ... [2024-09-20 20:11:46,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@293fe7fc and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 20.09 08:11:46, skipping insertion in model container [2024-09-20 20:11:46,467 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:46" (2/2) ... [2024-09-20 20:11:46,467 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e1e0af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46, skipping insertion in model container [2024-09-20 20:11:46,467 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:11:46" (2/2) ... [2024-09-20 20:11:46,474 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-20 20:11:46,475 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((((unsigned long long) b * a) % 2147483648) * 2) == (((__int128) ((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296)) && (\old(counter) == 0)) [2024-09-20 20:11:46,475 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-20 20:11:46,475 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-20 20:11:46,475 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-20 20:11:46,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-20 20:11:46,665 WARN L248 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_unwindbound20.c[537,550] [2024-09-20 20:11:46,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:46,708 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-20 20:11:46,746 WARN L248 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_unwindbound20.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-20 20:11:46,765 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-20 20:11:46,784 INFO L204 MainTranslator]: Completed translation [2024-09-20 20:11:46,785 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46 WrapperNode [2024-09-20 20:11:46,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-20 20:11:46,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-20 20:11:46,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-20 20:11:46,787 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-20 20:11:46,799 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,808 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,819 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 [2024-09-20 20:11:46,823 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,823 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,832 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,839 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,841 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,848 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-20 20:11:46,849 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-20 20:11:46,849 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-20 20:11:46,849 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-20 20:11:46,850 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (1/1) ... [2024-09-20 20:11:46,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-20 20:11:46,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-20 20:11:46,883 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) [2024-09-20 20:11:46,889 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 [2024-09-20 20:11:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-20 20:11:46,931 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-20 20:11:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-20 20:11:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-20 20:11:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-20 20:11:46,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-20 20:11:46,932 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-20 20:11:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-20 20:11:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-20 20:11:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-20 20:11:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-20 20:11:46,933 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-20 20:11:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-20 20:11:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-20 20:11:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-20 20:11:46,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-20 20:11:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-20 20:11:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-20 20:11:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-20 20:11:46,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-20 20:11:47,010 INFO L242 CfgBuilder]: Building ICFG [2024-09-20 20:11:47,012 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-20 20:11:47,031 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:47,064 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:47,517 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-20 20:11:47,532 INFO L291 CfgBuilder]: Performing block encoding [2024-09-20 20:11:47,574 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-20 20:11:47,575 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-20 20:11:47,575 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:47 BoogieIcfgContainer [2024-09-20 20:11:47,575 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-20 20:11:47,576 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-20 20:11:47,576 INFO L270 PluginConnector]: Initializing Referee... [2024-09-20 20:11:47,577 INFO L274 PluginConnector]: Referee initialized [2024-09-20 20:11:47,577 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 20.09 08:11:44" (1/4) ... [2024-09-20 20:11:47,580 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76e11997 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 20.09 08:11:47, skipping insertion in model container [2024-09-20 20:11:47,581 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 20.09 08:11:46" (2/4) ... [2024-09-20 20:11:47,582 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76e11997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:47, skipping insertion in model container [2024-09-20 20:11:47,582 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:11:46" (3/4) ... [2024-09-20 20:11:47,582 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76e11997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 20.09 08:11:47, skipping insertion in model container [2024-09-20 20:11:47,582 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:11:47" (4/4) ... [2024-09-20 20:11:47,584 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound20.c [2024-09-20 20:11:47,587 INFO L113 InvariantChecker]: Found 1 loops. [2024-09-20 20:11:47,588 INFO L373 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:47,589 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:47,589 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-20 20:11:47,589 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-20 20:11:47,589 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:47,590 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr7ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 10 edges. [2024-09-20 20:11:47,590 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-20 20:11:47,590 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:47,590 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:47,590 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-20 20:11:47,591 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-20 20:11:47,591 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-20 20:11:47,591 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-20 20:11:47,592 INFO L131 InvariantChecker]: Will check 8 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to error location [2024-09-20 20:11:47,643 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-20 20:11:47,644 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:47,645 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:47,645 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:47,646 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:47,648 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:47,660 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-20 20:11:47,662 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:47,663 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:47,663 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:47,664 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:47,666 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:47,683 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:47,706 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:47,706 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:47,707 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:47,707 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:47,707 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:47,707 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:47,709 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:47,709 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:47,710 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:47,710 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:47,710 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:47,710 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:47,714 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:47,745 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-20 20:11:47,745 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:47,748 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:47,748 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:47,749 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:47,749 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:47,764 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-20 20:11:47,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:47,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:47,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:47,767 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:47,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:51,814 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:51,845 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-20 20:11:51,845 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:51,845 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:51,846 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:51,846 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:51,846 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,847 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-20 20:11:51,847 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,847 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:51,847 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:51,847 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:51,847 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:51,862 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:51,880 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:51,880 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:51,881 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:51,881 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:51,881 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:51,881 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,884 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:51,884 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,884 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:51,884 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:51,884 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:51,885 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:51,886 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:51,902 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 10 edges [2024-09-20 20:11:51,902 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:51,902 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:51,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:51,903 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:51,903 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,936 INFO L101 BaseMinimizeStates]: Removed 22 edges and 7 locations by large block encoding [2024-09-20 20:11:51,936 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,937 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:51,937 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:51,937 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:51,938 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:51,940 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr7ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:51,959 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-20 20:11:51,959 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:51,959 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:51,959 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:51,960 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:51,960 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,976 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-20 20:11:51,976 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:51,976 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:51,977 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:51,977 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:51,986 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,155 INFO L520 InvariantChecker]: The annotation(s) from loop head L42-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:52,180 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:52,180 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,180 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,180 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,180 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,181 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,181 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:52,182 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,182 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,182 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,182 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,184 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,186 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:52,200 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-20 20:11:52,201 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,201 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,201 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,201 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,204 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-20 20:11:52,205 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,205 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,206 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,206 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,207 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,208 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-20 20:11:52,221 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-20 20:11:52,223 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,223 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,223 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,223 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,224 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,225 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-20 20:11:52,225 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,225 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,225 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,225 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,225 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,228 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-20 20:11:52,240 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-20 20:11:52,241 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,241 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,241 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,241 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,241 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,243 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-20 20:11:52,244 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,244 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,244 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,244 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,245 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,248 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-20 20:11:52,262 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-20 20:11:52,265 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,265 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,265 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,265 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,266 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,272 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-20 20:11:52,273 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,273 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,273 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,273 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,273 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:52,307 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-20 20:11:52,324 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-20 20:11:52,324 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-20 20:11:52,324 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-20 20:11:52,324 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-20 20:11:52,325 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-20 20:11:52,325 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,350 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-20 20:11:52,350 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-20 20:11:52,350 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-20 20:11:52,350 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-20 20:11:52,350 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-20 20:11:52,355 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-20 20:11:56,445 INFO L516 InvariantChecker]: unknown inductivity: todo good error message [2024-09-20 20:11:56,468 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness. [2024-09-20 20:11:56,469 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@76e11997 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 20.09 08:11:56, skipping insertion in model container [2024-09-20 20:11:56,469 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-20 20:11:56,470 INFO L158 Benchmark]: Toolchain (without parser) took 10016.06ms. Allocated memory is still 77.6MB. Free memory was 43.3MB in the beginning and 48.8MB in the end (delta: -5.5MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-09-20 20:11:56,470 INFO L158 Benchmark]: Witness Parser took 0.33ms. Allocated memory is still 54.5MB. Free memory is still 23.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:56,471 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 54.5MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-20 20:11:56,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.64ms. Allocated memory is still 77.6MB. Free memory was 43.1MB in the beginning and 48.5MB in the end (delta: -5.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2024-09-20 20:11:56,471 INFO L158 Benchmark]: Boogie Preprocessor took 61.89ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 46.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-20 20:11:56,472 INFO L158 Benchmark]: RCFGBuilder took 727.00ms. Allocated memory is still 77.6MB. Free memory was 46.2MB in the beginning and 50.6MB in the end (delta: -4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-20 20:11:56,472 INFO L158 Benchmark]: Referee took 8892.70ms. Allocated memory is still 77.6MB. Free memory was 50.6MB in the beginning and 48.8MB in the end (delta: 1.8MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. [2024-09-20 20:11:56,477 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is a valid proof of correctness. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 36 to loop head at line 36. 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 loop head at line 36 to check that procedure precondition always holds at line 36. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 36. Annotation is valid for all loop-free paths from loop head at line 36 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure __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 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 28. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.33ms. Allocated memory is still 54.5MB. Free memory is still 23.6MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.09ms. Allocated memory is still 54.5MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.64ms. Allocated memory is still 77.6MB. Free memory was 43.1MB in the beginning and 48.5MB in the end (delta: -5.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.89ms. Allocated memory is still 77.6MB. Free memory was 48.5MB in the beginning and 46.2MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 727.00ms. Allocated memory is still 77.6MB. Free memory was 46.2MB in the beginning and 50.6MB in the end (delta: -4.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Referee took 8892.70ms. Allocated memory is still 77.6MB. Free memory was 50.6MB in the beginning and 48.8MB in the end (delta: 1.8MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-20 20:11:56,519 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