./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c --full-output --witness-type correctness_witness --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a9b967e5 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_unwindbound10.c ../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.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 --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-12 20:12:22,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-12 20:12:22,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-12 20:12:22,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-12 20:12:22,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-12 20:12:22,795 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-12 20:12:22,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-12 20:12:22,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-12 20:12:22,796 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-12 20:12:22,797 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-12 20:12:22,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-12 20:12:22,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-12 20:12:22,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-12 20:12:22,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-12 20:12:22,798 INFO L153 SettingsManager]: * Use SBE=true [2024-09-12 20:12:22,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-12 20:12:22,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-12 20:12:22,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-12 20:12:22,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-12 20:12:22,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-12 20:12:22,800 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-12 20:12:22,800 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-12 20:12:22,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-12 20:12:22,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-12 20:12:22,801 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-12 20:12:22,801 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-12 20:12:22,801 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-12 20:12:22,802 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-12 20:12:22,802 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-12 20:12:22,802 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-12 20:12:22,802 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-12 20:12:22,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-12 20:12:22,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:22,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-12 20:12:22,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-12 20:12:22,804 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-12 20:12:22,804 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-12 20:12:22,804 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-12 20:12:22,804 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-12 20:12:22,804 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-12 20:12:22,805 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-12 20:12:22,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-12 20:12:22,807 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2024-09-12 20:12:23,032 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-12 20:12:23,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-12 20:12:23,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-12 20:12:23,057 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-12 20:12:23,058 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-12 20:12:23,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/lcm2_unwindbound10.yml/witness-2.1.yml [2024-09-12 20:12:23,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-12 20:12:23,102 INFO L274 PluginConnector]: CDTParser initialized [2024-09-12 20:12:23,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-12 20:12:24,266 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-12 20:12:24,442 INFO L384 CDTParser]: Found 1 translation units. [2024-09-12 20:12:24,442 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c [2024-09-12 20:12:24,448 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/d853ae2e5/23804e02859f4e449ae58ab04824bdb7/FLAG57a3a8d29 [2024-09-12 20:12:24,858 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/d853ae2e5/23804e02859f4e449ae58ab04824bdb7 [2024-09-12 20:12:24,862 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-12 20:12:24,863 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-12 20:12:24,864 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:24,865 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-12 20:12:24,868 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-12 20:12:24,869 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:23" (1/2) ... [2024-09-12 20:12:24,870 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c7961b and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:24, skipping insertion in model container [2024-09-12 20:12:24,870 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:23" (1/2) ... [2024-09-12 20:12:24,871 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@51ddb364 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 12.09 08:12:24, skipping insertion in model container [2024-09-12 20:12:24,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:24" (2/2) ... [2024-09-12 20:12:24,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c7961b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:24, skipping insertion in model container [2024-09-12 20:12:24,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.09 08:12:24" (2/2) ... [2024-09-12 20:12:24,877 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-12 20:12:24,878 INFO L1541 ArrayList]: Loop invariant at [L36-L49] ((((0 <= (counter + 2147483648)) && (counter <= 10)) && (((((unsigned long long) b * a) % 2147483648) * 2) == ((((unsigned long long) y * v) + ((unsigned long long) x * u)) % 4294967296))) && (\old(counter) == 0)) [2024-09-12 20:12:24,878 INFO L1541 ArrayList]: Function contract at [L20]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-12 20:12:24,879 INFO L1541 ArrayList]: Function contract at [L11]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-12 20:12:24,879 INFO L1541 ArrayList]: Function contract at [L8]: requires (counter == 0), ensures (counter == 0) [2024-09-12 20:12:24,891 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-12 20:12:25,003 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] [2024-09-12 20:12:25,018 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:25,024 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-12 20:12:25,057 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound10.c[537,550] Start Parsing Global Start Parsing Global Start Parsing Local [2024-09-12 20:12:25,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-12 20:12:25,086 INFO L204 MainTranslator]: Completed translation [2024-09-12 20:12:25,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25 WrapperNode [2024-09-12 20:12:25,087 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-12 20:12:25,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-12 20:12:25,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-12 20:12:25,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-12 20:12:25,098 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,098 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,107 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,120 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 [2024-09-12 20:12:25,120 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,121 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,126 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,133 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-12 20:12:25,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-12 20:12:25,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-12 20:12:25,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-12 20:12:25,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (1/1) ... [2024-09-12 20:12:25,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-12 20:12:25,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-12 20:12:25,162 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) [2024-09-12 20:12:25,167 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 [2024-09-12 20:12:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-12 20:12:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-12 20:12:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-12 20:12:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-12 20:12:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-12 20:12:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-12 20:12:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-12 20:12:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-12 20:12:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-12 20:12:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-12 20:12:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2024-09-12 20:12:25,202 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-12 20:12:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-12 20:12:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-12 20:12:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-12 20:12:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-12 20:12:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-12 20:12:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-12 20:12:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-12 20:12:25,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-12 20:12:25,254 INFO L242 CfgBuilder]: Building ICFG [2024-09-12 20:12:25,256 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-12 20:12:25,283 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:25,312 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:25,455 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-12 20:12:25,493 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-09-12 20:12:25,493 INFO L291 CfgBuilder]: Performing block encoding [2024-09-12 20:12:25,516 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-12 20:12:25,516 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-12 20:12:25,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:25 BoogieIcfgContainer [2024-09-12 20:12:25,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-12 20:12:25,517 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-12 20:12:25,517 INFO L270 PluginConnector]: Initializing Referee... [2024-09-12 20:12:25,517 INFO L274 PluginConnector]: Referee initialized [2024-09-12 20:12:25,517 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 12.09 08:12:23" (1/4) ... [2024-09-12 20:12:25,518 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a26b278 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 12.09 08:12:25, skipping insertion in model container [2024-09-12 20:12:25,518 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 12.09 08:12:24" (2/4) ... [2024-09-12 20:12:25,518 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a26b278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:25, skipping insertion in model container [2024-09-12 20:12:25,519 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.09 08:12:25" (3/4) ... [2024-09-12 20:12:25,519 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a26b278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 12.09 08:12:25, skipping insertion in model container [2024-09-12 20:12:25,519 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.09 08:12:25" (4/4) ... [2024-09-12 20:12:25,520 INFO L79 RefereeObserver]: Analyzing ICFG lcm2_unwindbound10.c [2024-09-12 20:12:25,523 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-12 20:12:25,523 INFO L367 InvariantChecker]: Will check inductivity from ENTRY assume_abort_if_notENTRY to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:25,523 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr14ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-12 20:12:25,523 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr13REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-12 20:12:25,523 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 7 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 3 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr12ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 8 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 2 edges. [2024-09-12 20:12:25,524 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 9 edges. [2024-09-12 20:12:25,525 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:25,525 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:25,525 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L36-10 to ERROR_LOC mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW. Corresponding subgraph has 10 edges. [2024-09-12 20:12:25,525 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-12 20:12:25,525 INFO L367 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-12 20:12:25,525 INFO L130 InvariantChecker]: Will check 8 loop-free subgraphs from loop head to error location, 11 loop-free subgraphs from procedure entry to error location [2024-09-12 20:12:25,580 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-12 20:12:25,581 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:25,581 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:25,582 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:25,582 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:25,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,593 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-12 20:12:25,594 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,594 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:25,595 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:25,595 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:25,597 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:25,610 INFO L514 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:25,630 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-12 20:12:25,630 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:25,630 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:25,631 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:25,631 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:25,631 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,654 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-12 20:12:25,655 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,655 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:25,655 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:25,655 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:25,659 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:25,686 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-12 20:12:25,686 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:25,686 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:25,686 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:25,686 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:25,686 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,705 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-12 20:12:25,705 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,705 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:25,705 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:25,705 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:25,710 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:25,739 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:25,739 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:25,740 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:25,740 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:25,740 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:25,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,741 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:25,742 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,742 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:25,742 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:25,743 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:25,743 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:25,745 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:25,758 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-12 20:12:25,759 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:25,759 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:25,760 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:25,760 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:25,760 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,763 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-12 20:12:25,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,765 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:25,765 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:25,765 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:25,766 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:25,767 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:25,781 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 9 edges [2024-09-12 20:12:25,781 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:25,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:25,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:25,782 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:25,782 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,790 INFO L101 BaseMinimizeStates]: Removed 16 edges and 8 locations by large block encoding [2024-09-12 20:12:25,790 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,791 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:25,791 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:25,791 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:25,791 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:25,793 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr6ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-12 20:12:25,806 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:12:25,806 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:25,807 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:25,807 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:25,807 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:25,807 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,811 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:12:25,811 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,812 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:25,813 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:25,814 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:25,814 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:25,830 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:25,833 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:25,834 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:25,834 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:25,834 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:25,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,835 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:25,835 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,835 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:25,835 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:25,836 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:25,836 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:25,850 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 11 edges [2024-09-12 20:12:25,850 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:25,850 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:25,851 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:25,852 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:25,852 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,874 INFO L101 BaseMinimizeStates]: Removed 22 edges and 9 locations by large block encoding [2024-09-12 20:12:25,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:25,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:25,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:25,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:25,880 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,370 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-12 20:12:28,371 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,371 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,372 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-12 20:12:28,373 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,373 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,373 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,373 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,373 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,376 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:28,384 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-12 20:12:28,384 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,384 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,384 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,384 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,384 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,387 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-12 20:12:28,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,388 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,388 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,388 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,388 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,390 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:28,397 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:12:28,397 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,397 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,397 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,398 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,398 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:12:28,398 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,398 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,398 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,399 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,399 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,401 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:28,408 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-12 20:12:28,408 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,409 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,409 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,409 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,409 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,409 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-12 20:12:28,410 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,410 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,410 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,410 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,410 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,422 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 9 edges [2024-09-12 20:12:28,423 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,423 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,423 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,423 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,423 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,435 INFO L101 BaseMinimizeStates]: Removed 16 edges and 7 locations by large block encoding [2024-09-12 20:12:28,435 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,435 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,435 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,435 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,438 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,441 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-10 to error location mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:28,455 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:28,455 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,456 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,456 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,460 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:28,460 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,460 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,461 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,461 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,461 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,462 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:28,475 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-12 20:12:28,476 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,476 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,476 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,476 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,476 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,477 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-12 20:12:28,477 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,477 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,477 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,477 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,478 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,483 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-12 20:12:28,508 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 10 edges [2024-09-12 20:12:28,512 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,512 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,512 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,512 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,512 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,528 INFO L101 BaseMinimizeStates]: Removed 19 edges and 8 locations by large block encoding [2024-09-12 20:12:28,529 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,529 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,529 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,531 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,534 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,536 INFO L514 InvariantChecker]: The annotation(s) from loop head L36-10 to error location mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW is inductive. [2024-09-12 20:12:28,543 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-12 20:12:28,544 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,545 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,545 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,545 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,546 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,547 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-12 20:12:28,547 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,547 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,547 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,547 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,547 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,549 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-12 20:12:28,555 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-12 20:12:28,555 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-12 20:12:28,555 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-12 20:12:28,555 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-12 20:12:28,556 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-12 20:12:28,556 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,556 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-12 20:12:28,557 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-12 20:12:28,557 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-12 20:12:28,557 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-12 20:12:28,557 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-12 20:12:28,557 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-12 20:12:28,558 INFO L514 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-12 20:12:28,568 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-12 20:12:28,568 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@4a26b278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 12.09 08:12:28, skipping insertion in model container [2024-09-12 20:12:28,568 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-12 20:12:28,569 INFO L158 Benchmark]: Toolchain (without parser) took 3705.74ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 129.6MB in the end (delta: 24.6MB). Peak memory consumption was 104.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:28,570 INFO L158 Benchmark]: Witness Parser took 0.16ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:28,570 INFO L158 Benchmark]: CDTParser took 0.07ms. Allocated memory is still 117.4MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-12 20:12:28,570 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.02ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 140.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-12 20:12:28,570 INFO L158 Benchmark]: Boogie Preprocessor took 47.91ms. Allocated memory is still 184.5MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-12 20:12:28,571 INFO L158 Benchmark]: RCFGBuilder took 380.43ms. Allocated memory is still 184.5MB. Free memory was 138.2MB in the beginning and 142.4MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-12 20:12:28,571 INFO L158 Benchmark]: Referee took 3051.51ms. Allocated memory is still 184.5MB. Free memory was 142.4MB in the beginning and 129.6MB in the end (delta: 12.8MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. [2024-09-12 20:12:28,574 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is not a valid proof of correctness. Annotation is not a valid proof of correctness. Annotation is not valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur at line 36. One counterexample starts in counter=-2147483650 and ends in counter=-2147483650. Annotation is not valid for all loop-free paths from loop head at line 36 to exit of procedure main. One counterexample starts in \old(counter)=2, a=0, b=0, counter=10, u=0, v=0, x=0, y=0 and ends in \old(counter)=2, \result=0, counter=11. Annotation is not valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur at line 36. One counterexample starts in counter=2147483647 and ends in counter=2147483647. Annotation is not valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 36. One counterexample starts in a=0, b=0, counter=10, u=0, v=-1, x=0, y=-1 and ends in counter=11. Annotation is not valid for all loop-free paths from loop head at line 36 to check that procedure precondition always holds at line 37. One counterexample starts in a=0, b=0, counter=-1, u=0, v=-1, x=0, y=-1 and ends in counter=0. Annotation is not valid for all loop-free paths from loop head at line 36 to check that invariant of correctness witness holds at line 36. One counterexample starts in \old(counter)=14, a=-6442450945, b=-4294967292, counter=0, u=-4294967298, v=4, x=8589934592, y=-2 and ends in \old(counter)=14, counter=1. Annotation is valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur at line 42. Annotation is valid for all loop-free paths from entry of procedure main to check that integer overflow can never occur at line 36. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from entry of procedure __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 integer overflow can never occur at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that invariant of correctness witness holds at line 36. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from entry of procedure main to check that procedure precondition always holds at line 25. Annotation is valid for all loop-free paths from loop head at line 36 to check that integer overflow can never occur 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. 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 0.16ms. Allocated memory is still 117.4MB. Free memory is still 88.9MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.07ms. Allocated memory is still 117.4MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 223.02ms. Allocated memory is still 184.5MB. Free memory was 154.2MB in the beginning and 140.3MB in the end (delta: 13.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.91ms. Allocated memory is still 184.5MB. Free memory was 140.3MB in the beginning and 138.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 380.43ms. Allocated memory is still 184.5MB. Free memory was 138.2MB in the beginning and 142.4MB in the end (delta: -4.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 3051.51ms. Allocated memory is still 184.5MB. Free memory was 142.4MB in the beginning and 129.6MB in the end (delta: 12.8MB). Peak memory consumption was 93.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-12 20:12:28,600 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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE