./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound2.yml/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fb1cb0b9 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/cohendiv-ll_unwindbound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound2.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-fb1cb0b-m [2024-09-25 11:47:08,855 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-25 11:47:08,943 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-25 11:47:08,949 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-25 11:47:08,951 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-25 11:47:08,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-25 11:47:08,991 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-25 11:47:08,992 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-25 11:47:08,992 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-25 11:47:08,993 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-25 11:47:08,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-25 11:47:08,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-25 11:47:08,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-25 11:47:08,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-25 11:47:08,997 INFO L153 SettingsManager]: * Use SBE=true [2024-09-25 11:47:08,997 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-25 11:47:08,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-25 11:47:08,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-25 11:47:08,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-25 11:47:08,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-25 11:47:08,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-25 11:47:09,003 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-25 11:47:09,003 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-25 11:47:09,003 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-25 11:47:09,003 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-25 11:47:09,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-25 11:47:09,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-25 11:47:09,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-25 11:47:09,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-25 11:47:09,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-25 11:47:09,005 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-25 11:47:09,005 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-25 11:47:09,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-25 11:47:09,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:09,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-25 11:47:09,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-25 11:47:09,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-25 11:47:09,006 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-25 11:47:09,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-25 11:47:09,007 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-25 11:47:09,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-25 11:47:09,007 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-25 11:47:09,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-25 11:47:09,008 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-25 11:47:09,254 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-25 11:47:09,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-25 11:47:09,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-25 11:47:09,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-25 11:47:09,286 INFO L274 PluginConnector]: CDTParser initialized [2024-09-25 11:47:09,287 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2024-09-25 11:47:10,738 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-25 11:47:10,903 INFO L384 CDTParser]: Found 1 translation units. [2024-09-25 11:47:10,904 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2024-09-25 11:47:10,911 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/de82d4bd1/10adf442096f47bead2179693c51bb11/FLAGea9c2983e [2024-09-25 11:47:11,301 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/de82d4bd1/10adf442096f47bead2179693c51bb11 [2024-09-25 11:47:11,304 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-25 11:47:11,305 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-25 11:47:11,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/cohendiv-ll_unwindbound2.yml/witness-2.1.yml [2024-09-25 11:47:11,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-25 11:47:11,361 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-25 11:47:11,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:11,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-25 11:47:11,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-25 11:47:11,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:11" (1/2) ... [2024-09-25 11:47:11,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca7e1a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:11, skipping insertion in model container [2024-09-25 11:47:11,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 11:47:11" (1/2) ... [2024-09-25 11:47:11,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5284a5a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 11:47:11, skipping insertion in model container [2024-09-25 11:47:11,376 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:11" (2/2) ... [2024-09-25 11:47:11,376 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ca7e1a8 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11, skipping insertion in model container [2024-09-25 11:47:11,377 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:11" (2/2) ... [2024-09-25 11:47:11,387 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-25 11:47:11,389 INFO L1541 ArrayList]: Loop invariant at [L46-L58] (((((((((2 <= counter) && (a == 1)) && (((((__int128) q * y) + y) + r) == ((__int128) b + x))) && (1 <= r)) && (b == y)) && (1 <= y)) || ((((((2 <= counter) && (x == r)) && (1 <= r)) && ((r + ((__int128) a * y)) == ((__int128) b + x))) && (q == 0)) && (1 <= y))) || (((((((a == 1) && (((__int128) y + r) == ((__int128) b + x))) && (1 <= r)) && (b == y)) && (q == 0)) && (counter == 1)) && (1 <= y))) && (\old(counter) == 0)) [2024-09-25 11:47:11,390 INFO L1541 ArrayList]: Loop invariant at [L37-L61] ((\old(counter) == 0) && (((((2 <= counter) && ((((__int128) q * y) + r) == x)) && (((((__int128) q * y) + r) + ((__int128) a * y)) == ((__int128) b + x))) && (1 <= y)) || ((((((a == 0) && (x == r)) && (b == 0)) && (counter == 0)) && (q == 0)) && (1 <= y)))) [2024-09-25 11:47:11,390 INFO L1541 ArrayList]: Function contract at [L14]: requires (cond != 0), ensures ((cond != 0) && (counter == \old(counter))) [2024-09-25 11:47:11,390 INFO L1541 ArrayList]: Function contract at [L23]: requires (counter == 0), ensures (\old(counter) == 0) [2024-09-25 11:47:11,391 INFO L1541 ArrayList]: Function contract at [L11]: requires (counter == 0), ensures (((cond != 0) && (counter == \old(counter))) && (counter == 0)) [2024-09-25 11:47:11,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-25 11:47:11,581 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/cohendiv-ll_unwindbound2.c[576,589] [2024-09-25 11:47:11,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:11,614 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-25 11:47:11,655 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/cohendiv-ll_unwindbound2.c[576,589] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-25 11:47:11,682 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-25 11:47:11,699 INFO L204 MainTranslator]: Completed translation [2024-09-25 11:47:11,703 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11 WrapperNode [2024-09-25 11:47:11,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-25 11:47:11,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-25 11:47:11,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-25 11:47:11,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-25 11:47:11,721 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,728 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,738 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 [2024-09-25 11:47:11,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,747 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,748 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-25 11:47:11,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-25 11:47:11,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-25 11:47:11,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-25 11:47:11,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (1/1) ... [2024-09-25 11:47:11,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-25 11:47:11,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-25 11:47:11,780 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) [2024-09-25 11:47:11,782 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 [2024-09-25 11:47:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-25 11:47:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-25 11:47:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-25 11:47:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-25 11:47:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-25 11:47:11,820 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-25 11:47:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-25 11:47:11,820 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-25 11:47:11,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-25 11:47:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-25 11:47:11,822 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-25 11:47:11,882 INFO L241 CfgBuilder]: Building ICFG [2024-09-25 11:47:11,885 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-25 11:47:11,908 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:11,937 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:12,114 WARN L782 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-25 11:47:12,132 INFO L290 CfgBuilder]: Performing block encoding [2024-09-25 11:47:12,157 INFO L312 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-25 11:47:12,157 INFO L317 CfgBuilder]: Removed 2 assume(true) statements. [2024-09-25 11:47:12,158 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:12 BoogieIcfgContainer [2024-09-25 11:47:12,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-25 11:47:12,158 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-25 11:47:12,158 INFO L270 PluginConnector]: Initializing Referee... [2024-09-25 11:47:12,159 INFO L274 PluginConnector]: Referee initialized [2024-09-25 11:47:12,159 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 25.09 11:47:11" (1/4) ... [2024-09-25 11:47:12,160 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@571c80c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 25.09 11:47:12, skipping insertion in model container [2024-09-25 11:47:12,160 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 25.09 11:47:11" (2/4) ... [2024-09-25 11:47:12,160 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@571c80c2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:12, skipping insertion in model container [2024-09-25 11:47:12,160 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 25.09 11:47:11" (3/4) ... [2024-09-25 11:47:12,161 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@571c80c2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 25.09 11:47:12, skipping insertion in model container [2024-09-25 11:47:12,161 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 11:47:12" (4/4) ... [2024-09-25 11:47:12,162 INFO L79 RefereeObserver]: Analyzing ICFG cohendiv-ll_unwindbound2.c [2024-09-25 11:47:12,166 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-25 11:47:12,167 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. [2024-09-25 11:47:12,167 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:12,167 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr9REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-25 11:47:12,167 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-25 11:47:12,167 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-25 11:47:12,168 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-25 11:47:12,168 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-25 11:47:12,168 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-25 11:47:12,168 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to ERROR_LOC mainErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-25 11:47:12,168 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:12,168 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:12,168 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-25 11:47:12,169 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L46-4 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 10 edges. [2024-09-25 11:47:12,169 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:12,169 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr10ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-25 11:47:12,169 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-25 11:47:12,169 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L37-4 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-25 11:47:12,169 INFO L131 InvariantChecker]: Will check 5 loop-free subgraphs from procedure entry to error location, 8 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from loop head to loop head [2024-09-25 11:47:12,232 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-25 11:47:12,233 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,234 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,234 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,238 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,250 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-25 11:47:12,251 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,251 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,251 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,252 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,256 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,281 INFO L520 InvariantChecker]: The annotation(s) from entry assume_abort_if_notENTRY to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:12,314 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:12,314 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,315 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,315 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,315 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,337 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,365 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:12,369 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,370 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,370 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,370 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,370 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,373 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:12,411 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-25 11:47:12,414 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,414 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,415 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,415 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,415 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,455 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-25 11:47:12,455 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,455 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,456 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,456 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,460 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,467 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr9REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:12,488 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-25 11:47:12,488 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,489 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,489 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,489 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,489 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,512 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-25 11:47:12,513 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,513 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,513 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,513 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,513 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,521 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:12,541 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:12,542 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,542 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,542 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,542 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,542 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,549 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:12,550 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,550 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,551 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,551 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,551 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,554 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:12,569 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-25 11:47:12,569 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,569 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,569 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,570 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,570 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,584 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-25 11:47:12,584 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,585 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,585 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,585 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,585 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,589 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:12,610 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-25 11:47:12,610 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,610 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,611 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,612 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,612 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,617 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-25 11:47:12,618 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,618 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,620 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,620 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,621 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,626 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:12,638 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-25 11:47:12,638 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,639 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,639 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,639 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,639 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,664 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-25 11:47:12,665 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,665 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,666 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,666 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,671 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,682 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:12,694 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-25 11:47:12,694 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,695 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,695 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,695 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,695 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,696 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-25 11:47:12,697 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,697 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,697 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,697 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,697 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,699 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to error location mainErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:12,710 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:12,710 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,710 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,710 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,711 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,711 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,721 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:12,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,722 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,723 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,723 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,723 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,727 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:12,738 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:12,738 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,738 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,739 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,740 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:12,740 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,740 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,740 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,740 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,741 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,742 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:12,752 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-25 11:47:12,752 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,753 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,753 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,753 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,753 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,765 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-25 11:47:12,765 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,766 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,766 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,766 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,767 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,770 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:12,783 INFO L314 BlockEncoder]: Initial Icfg 11 locations, 10 edges [2024-09-25 11:47:12,783 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,783 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,784 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,784 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,784 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,810 INFO L101 BaseMinimizeStates]: Removed 18 edges and 9 locations by large block encoding [2024-09-25 11:47:12,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,811 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,811 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,811 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,816 INFO L520 InvariantChecker]: The annotation(s) from loop head L46-4 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-25 11:47:12,826 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-25 11:47:12,826 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,827 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,827 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,828 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,828 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,829 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-25 11:47:12,830 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,830 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,830 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,831 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,831 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,832 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:12,842 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-25 11:47:12,842 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,842 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,842 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,842 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,843 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,860 INFO L101 BaseMinimizeStates]: Removed 24 edges and 8 locations by large block encoding [2024-09-25 11:47:12,860 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,860 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,860 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,860 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,861 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,862 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr10ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-25 11:47:12,871 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-25 11:47:12,872 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,872 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,873 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,873 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,873 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,874 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-25 11:47:12,874 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,874 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,874 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,874 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,874 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,876 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-25 11:47:12,901 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-25 11:47:12,901 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-25 11:47:12,901 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-25 11:47:12,902 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-25 11:47:12,902 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-25 11:47:12,902 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,911 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-25 11:47:12,912 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-25 11:47:12,912 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-25 11:47:12,912 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-25 11:47:12,915 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-25 11:47:12,916 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-25 11:47:12,918 INFO L520 InvariantChecker]: The annotation(s) from loop head L37-4 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-25 11:47:12,921 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness. [2024-09-25 11:47:12,922 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@571c80c2 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 25.09 11:47:12, skipping insertion in model container [2024-09-25 11:47:12,923 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-25 11:47:12,924 INFO L158 Benchmark]: Toolchain (without parser) took 1562.68ms. Allocated memory is still 182.5MB. Free memory was 110.7MB in the beginning and 148.9MB in the end (delta: -38.3MB). Peak memory consumption was 53.8MB. Max. memory is 16.1GB. [2024-09-25 11:47:12,925 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 91.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:12,925 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-25 11:47:12,925 INFO L158 Benchmark]: CACSL2BoogieTranslator took 340.32ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 96.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-25 11:47:12,926 INFO L158 Benchmark]: Boogie Preprocessor took 50.52ms. Allocated memory is still 182.5MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-25 11:47:12,926 INFO L158 Benchmark]: RCFGBuilder took 401.92ms. Allocated memory is still 182.5MB. Free memory was 93.9MB in the beginning and 77.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-25 11:47:12,927 INFO L158 Benchmark]: Referee took 764.30ms. Allocated memory is still 182.5MB. Free memory was 77.1MB in the beginning and 148.9MB in the end (delta: -71.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2024-09-25 11:47:12,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness. Annotation is a valid proof of correctness. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 48. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 37. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 37. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. 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 ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 37 to loop head at line 46. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 47. 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 16. Annotation is valid for all loop-free paths from loop head at line 37 to check that procedure precondition always holds at line 38. Annotation is valid for all loop-free paths from loop head at line 46 to check that procedure precondition always holds at line 54. Annotation is valid for all loop-free paths from loop head at line 37 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 30. Annotation is valid for all loop-free paths from loop head at line 46 to loop head at line 37. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory was 91.2MB in the beginning and 91.0MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 182.5MB. Free memory is still 112.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 340.32ms. Allocated memory is still 182.5MB. Free memory was 110.5MB in the beginning and 96.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.52ms. Allocated memory is still 182.5MB. Free memory was 96.0MB in the beginning and 93.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 401.92ms. Allocated memory is still 182.5MB. Free memory was 93.9MB in the beginning and 77.1MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 764.30ms. Allocated memory is still 182.5MB. Free memory was 77.1MB in the beginning and 148.9MB in the end (delta: -71.8MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-09-25 11:47:12,961 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: TRUE