./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.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/egcd3-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:22,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:22,840 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:49:22,846 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:22,846 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:22,872 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:22,873 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:22,873 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:22,874 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:22,874 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:22,874 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:22,875 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:22,875 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:22,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:22,875 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:22,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:22,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:22,879 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:22,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:49:22,879 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:22,879 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:22,880 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:22,880 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:22,881 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:22,881 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:22,881 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:22,881 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:22,882 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:22,882 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:22,882 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:22,883 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:22,883 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:22,883 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:22,884 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:22,884 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:22,884 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:22,884 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:49:22,885 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:49:22,885 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:22,885 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:22,885 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:22,885 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:22,885 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:23,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:23,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:23,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:23,080 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:23,081 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:23,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-09-11 20:49:24,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:24,457 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:24,457 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-09-11 20:49:24,468 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c9e57571e/1156ef2b42b746ee907dfcd473e02f9e/FLAG10ff57849 [2024-09-11 20:49:24,874 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c9e57571e/1156ef2b42b746ee907dfcd473e02f9e [2024-09-11 20:49:24,876 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:24,876 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:24,878 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:49:24,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:24,927 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:24,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:24,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:24,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:24,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:24" (1/2) ... [2024-09-11 20:49:24,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a0d703 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:24, skipping insertion in model container [2024-09-11 20:49:24,934 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:24" (1/2) ... [2024-09-11 20:49:24,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@4557bf92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:24, skipping insertion in model container [2024-09-11 20:49:24,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:24" (2/2) ... [2024-09-11 20:49:24,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10a0d703 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:24, skipping insertion in model container [2024-09-11 20:49:24,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:24" (2/2) ... [2024-09-11 20:49:24,946 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:24,946 INFO L1541 ArrayList]: Loop invariant at [L49-L59] ((((((((((((((b == 1) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (d == v)) && (k == 0)) && (s == 0)) && (r == 1)) && (2 == a)) && ((2 == v) || (v < 2))) && (2 == c)) || (((((((((((((d == 1) && (p == 1)) && (1 <= y)) && (a == c)) && (b == y)) && (b == v)) && (r == 0)) && (q == 0)) && (k == 0)) && (b <= c)) && (a == x)) && (x <= 2)) && (s == 1))) || (((((((((((((((v / 2) * 2) <= c) && (p == 1)) && ((y + ((__int128) d * y)) == (b + x))) && (((__int128) b * d) == v)) && (b == y)) && (r == 0)) && (q == 0)) && (k == 0)) && (1 <= x)) && (c <= 2)) && (((__int128) 2 * b) == v)) && (a == x)) && (s == 1))) [2024-09-11 20:49:24,946 INFO L1541 ArrayList]: Loop invariant at [L35-L73] (((((((((((((1 <= p) && ((s + ((__int128) 2 * r)) == 1)) && (y <= 2)) && (b == 0)) && (0 <= r)) && (1 <= a)) && (1 <= x)) && ((q + ((__int128) 2 * p)) == 0)) && ((((__int128) r * y) + ((__int128) p * x)) == a)) && (((__int128) a + 1) <= y)) || ((((((((b == 1) && (p == 0)) && (a == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a))) || (((((((((y == ((a + ((__int128) s * y)) + ((__int128) q * x))) && (p == 0)) && (a == y)) && (a <= 2)) && (b == 0)) && (1 <= a)) && (1 <= x)) && (r == 1)) && (x <= 2))) || ((((((((((p == 1) && (b == y)) && (b <= 2)) && (1 <= b)) && (r == 0)) && (q == 0)) && (1 <= x)) && (a == x)) && (x <= 2)) && (s == 1))) [2024-09-11 20:49:24,947 INFO L1541 ArrayList]: Loop invariant at [L42-L62] (((((((((((((((c == 0) && (b == 1)) && (p == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (1 <= x)) && (k == x)) && (a == x)) && (x <= 2)) && (s == 1)) || ((((((((((c == 0) && (b == 1)) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a)) && (2 == k))) || (((((((((((c == 0) && (k == 1)) && (p == 1)) && (b == y)) && (b == x)) && (r == 0)) && (q == 0)) && (1 <= x)) && (a == x)) && (x <= 2)) && (s == 1))) || ((((((((((b == 1) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (k == 0)) && (s == 0)) && (r == 1)) && (2 == a)) && (2 == c))) || ((((((((((((p == 1) && (1 <= y)) && (a == c)) && (b == y)) && (b <= 2)) && (r == 0)) && (q == 0)) && (k == 0)) && (1 <= x)) && (a == x)) && (x <= 2)) && (s == 1))) [2024-09-11 20:49:24,947 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:24,947 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:24,963 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:25,106 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/egcd3-ll_valuebound2.c[490,503] [2024-09-11 20:49:25,123 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:25,133 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:25,162 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/egcd3-ll_valuebound2.c[490,503] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:25,203 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:25,220 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:25,221 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:25 WrapperNode [2024-09-11 20:49:25,221 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:25,222 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:25,222 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:25,222 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:25,232 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,232 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,242 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,260 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 [2024-09-11 20:49:25,262 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,262 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,268 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,273 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,278 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,279 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:25,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:25,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:25,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:25,282 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 11.09 08:49:25" (1/1) ... [2024-09-11 20:49:25,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:25,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:25,309 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) [2024-09-11 20:49:25,310 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 [2024-09-11 20:49:25,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:25,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:25,342 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:49:25,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:49:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:25,395 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:25,396 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:25,607 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:25,652 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:25,652 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:25,671 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:25,671 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:25,672 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:25 BoogieIcfgContainer [2024-09-11 20:49:25,672 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:25,672 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:25,672 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:25,673 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:25,673 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:24" (1/4) ... [2024-09-11 20:49:25,673 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ce64289 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:25, skipping insertion in model container [2024-09-11 20:49:25,674 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:24" (2/4) ... [2024-09-11 20:49:25,674 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ce64289 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:25, skipping insertion in model container [2024-09-11 20:49:25,674 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 11.09 08:49:25" (3/4) ... [2024-09-11 20:49:25,674 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ce64289 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:25, skipping insertion in model container [2024-09-11 20:49:25,674 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:25" (4/4) ... [2024-09-11 20:49:25,675 INFO L79 RefereeObserver]: Analyzing ICFG egcd3-ll_valuebound2.c [2024-09-11 20:49:25,678 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:25,678 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:25,678 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:25,679 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:25,679 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:25,679 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:25,679 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:25,679 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:25,679 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:25,679 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:49:25,679 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:25,679 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:25,680 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:25,680 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:25,680 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:25,680 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head [2024-09-11 20:49:25,714 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:25,715 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:25,715 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:25,716 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:25,717 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:25,719 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,730 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:25,730 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,731 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:25,731 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:25,731 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:25,735 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:25,756 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:25,785 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:25,785 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:25,785 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:25,785 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:25,786 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:25,786 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,805 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:25,805 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,805 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:25,805 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:25,805 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:25,805 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:25,807 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:25,831 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:25,832 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:25,833 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:25,833 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:25,833 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:25,833 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,858 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-11 20:49:25,858 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,859 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:25,859 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:25,859 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:25,864 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:25,869 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:25,885 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:49:25,886 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:25,886 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:25,886 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:25,886 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:25,886 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,897 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:49:25,897 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,897 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:25,897 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:25,897 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:25,900 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:25,904 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:25,920 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:25,920 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:25,920 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:25,921 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:25,921 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:25,921 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,931 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:25,931 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,931 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:25,931 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:25,931 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:25,932 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:25,938 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:25,949 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:25,950 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:25,950 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:25,950 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:25,950 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:25,950 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,957 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:25,957 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,958 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:25,958 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:25,958 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:25,958 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:25,961 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:25,975 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:25,975 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:25,975 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:25,975 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:25,975 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:25,975 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:25,999 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:26,000 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,000 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,000 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,000 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,001 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,006 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:26,019 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:26,021 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,021 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,021 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,021 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,022 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,028 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:26,028 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,028 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,028 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,028 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,028 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,031 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,042 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:26,043 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,043 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,043 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,043 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,043 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,063 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:49:26,063 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,064 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,064 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,064 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,068 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,074 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,084 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:26,084 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,085 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,085 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,085 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,088 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:26,089 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,089 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,089 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,089 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,090 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,091 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:26,103 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:26,104 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,104 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,104 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,104 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,105 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,111 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:26,112 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,113 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,113 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,113 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,113 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,116 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,127 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:26,127 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,128 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,128 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,128 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,128 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,147 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:26,147 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,147 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,147 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,147 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,147 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,151 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:26,162 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:26,162 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,162 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,163 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,163 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,163 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,163 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:26,164 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,164 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,164 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,164 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,165 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,166 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:49:26,174 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:49:26,174 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:26,174 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:26,174 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:26,174 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:26,174 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,178 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:49:26,178 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:26,178 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:26,178 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:26,178 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:26,179 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:26,182 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:26,185 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:49:26,185 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2ce64289 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:49:26, skipping insertion in model container [2024-09-11 20:49:26,185 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:49:26,187 INFO L158 Benchmark]: Toolchain (without parser) took 1258.36ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 62.6MB in the beginning and 87.0MB in the end (delta: -24.4MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,187 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory was 90.2MB in the beginning and 90.1MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:26,187 INFO L158 Benchmark]: Witness Parser took 0.10ms. Allocated memory is still 136.3MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:49:26,188 INFO L158 Benchmark]: CACSL2BoogieTranslator took 292.52ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 62.4MB in the beginning and 144.6MB in the end (delta: -82.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,189 INFO L158 Benchmark]: Boogie Preprocessor took 58.60ms. Allocated memory is still 182.5MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,191 INFO L158 Benchmark]: RCFGBuilder took 390.72ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,191 INFO L158 Benchmark]: Referee took 512.86ms. Allocated memory is still 182.5MB. Free memory was 119.5MB in the beginning and 87.0MB in the end (delta: 32.4MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. [2024-09-11 20:49:26,193 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 42 to loop head at line 49. 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 12. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 52. 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 assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 42. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 42. Annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 49. Annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 51. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 136.3MB. Free memory was 90.2MB in the beginning and 90.1MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.10ms. Allocated memory is still 136.3MB. Free memory is still 64.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 292.52ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 62.4MB in the beginning and 144.6MB in the end (delta: -82.2MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.60ms. Allocated memory is still 182.5MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 390.72ms. Allocated memory is still 182.5MB. Free memory was 142.5MB in the beginning and 119.5MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Referee took 512.86ms. Allocated memory is still 182.5MB. Free memory was 119.5MB in the beginning and 87.0MB in the end (delta: 32.4MB). Peak memory consumption was 72.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:49:26,218 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.yml/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-dev-a9b967e-m [2024-09-11 20:49:27,894 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:49:27,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:49:27,955 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:49:27,955 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:49:27,978 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:49:27,979 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:49:27,979 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:49:27,980 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:49:27,982 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:49:27,982 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:49:27,983 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:49:27,983 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:49:27,983 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:49:27,983 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:49:27,984 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:49:27,984 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:49:27,984 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:49:27,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:49:27,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:49:27,985 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:49:27,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:49:27,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:49:27,986 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:49:27,986 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:49:27,987 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:49:27,987 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:49:27,987 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:49:27,988 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:49:27,988 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:49:27,988 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:49:27,989 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:49:27,989 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:49:27,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:49:27,989 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:27,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:49:27,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:49:27,990 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:49:27,990 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:49:27,990 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:49:27,990 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:49:27,991 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:49:27,992 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:49:27,992 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:49:27,992 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:49:27,992 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:49:28,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:49:28,250 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:49:28,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:49:28,252 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:49:28,254 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:49:28,254 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/egcd3-ll_valuebound2.yml/witness-2.1.yml [2024-09-11 20:49:28,299 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:49:28,300 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:49:28,300 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-09-11 20:49:29,537 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:49:29,687 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:49:29,687 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/egcd3-ll_valuebound2.c [2024-09-11 20:49:29,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/21c7cc512/88357fb3597a472c80ef62c511a2d37c/FLAG14efcc10e [2024-09-11 20:49:29,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/21c7cc512/88357fb3597a472c80ef62c511a2d37c [2024-09-11 20:49:29,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:49:29,711 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:49:29,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:29,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:49:29,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:49:29,717 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:28" (1/2) ... [2024-09-11 20:49:29,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6f84fa and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:29, skipping insertion in model container [2024-09-11 20:49:29,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:28" (1/2) ... [2024-09-11 20:49:29,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@1bd35f1a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:49:29, skipping insertion in model container [2024-09-11 20:49:29,721 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:29" (2/2) ... [2024-09-11 20:49:29,721 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b6f84fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:29, skipping insertion in model container [2024-09-11 20:49:29,721 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:49:29" (2/2) ... [2024-09-11 20:49:29,730 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:49:29,730 INFO L1541 ArrayList]: Loop invariant at [L42-L62] (((((((((((((((c == 0) && (b == 1)) && (p == 1)) && (r == 0)) && (q == 0)) && (y == 1)) && (1 <= x)) && (k == x)) && (a == x)) && (x <= 2)) && (s == 1)) || ((((((((((c == 0) && (b == 1)) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a)) && (2 == k))) || (((((((((((c == 0) && (k == 1)) && (p == 1)) && (b == y)) && (b == x)) && (r == 0)) && (q == 0)) && (1 <= x)) && (a == x)) && (x <= 2)) && (s == 1))) || ((((((((((b == 1) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (k == 0)) && (s == 0)) && (r == 1)) && (2 == a)) && (2 == c))) || ((((((((((((p == 1) && (1 <= y)) && (a == c)) && (b == y)) && (b <= 2)) && (r == 0)) && (q == 0)) && (k == 0)) && (1 <= x)) && (a == x)) && (x <= 2)) && (s == 1))) [2024-09-11 20:49:29,731 INFO L1541 ArrayList]: Loop invariant at [L35-L73] (((((((((((((1 <= p) && ((s + ((__int128) 2 * r)) == 1)) && (y <= 2)) && (b == 0)) && (0 <= r)) && (1 <= a)) && (1 <= x)) && ((q + ((__int128) 2 * p)) == 0)) && ((((__int128) r * y) + ((__int128) p * x)) == a)) && (((__int128) a + 1) <= y)) || ((((((((b == 1) && (p == 0)) && (a == y)) && (x == 1)) && (q == 1)) && (s == 0)) && (r == 1)) && (2 == a))) || (((((((((y == ((a + ((__int128) s * y)) + ((__int128) q * x))) && (p == 0)) && (a == y)) && (a <= 2)) && (b == 0)) && (1 <= a)) && (1 <= x)) && (r == 1)) && (x <= 2))) || ((((((((((p == 1) && (b == y)) && (b <= 2)) && (1 <= b)) && (r == 0)) && (q == 0)) && (1 <= x)) && (a == x)) && (x <= 2)) && (s == 1))) [2024-09-11 20:49:29,731 INFO L1541 ArrayList]: Loop invariant at [L49-L59] ((((((((((((((b == 1) && (p == 0)) && (2 == y)) && (x == 1)) && (q == 1)) && (d == v)) && (k == 0)) && (s == 0)) && (r == 1)) && (2 == a)) && ((2 == v) || (v < 2))) && (2 == c)) || (((((((((((((d == 1) && (p == 1)) && (1 <= y)) && (a == c)) && (b == y)) && (b == v)) && (r == 0)) && (q == 0)) && (k == 0)) && (b <= c)) && (a == x)) && (x <= 2)) && (s == 1))) || (((((((((((((((v / 2) * 2) <= c) && (p == 1)) && ((y + ((__int128) d * y)) == (b + x))) && (((__int128) b * d) == v)) && (b == y)) && (r == 0)) && (q == 0)) && (k == 0)) && (1 <= x)) && (c <= 2)) && (((__int128) 2 * b) == v)) && (a == x)) && (s == 1))) [2024-09-11 20:49:29,731 INFO L1541 ArrayList]: Function contract at [L7]: requires null, ensures (\old(cond) != 0) [2024-09-11 20:49:29,731 INFO L1541 ArrayList]: Function contract at [L10]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:49:29,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:49:29,880 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/egcd3-ll_valuebound2.c[490,503] [2024-09-11 20:49:29,907 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:29,919 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global Start Parsing Global [2024-09-11 20:49:29,948 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/egcd3-ll_valuebound2.c[490,503] Start Parsing Local Start Parsing Local Start Parsing Local [2024-09-11 20:49:29,989 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:49:30,006 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:49:30,007 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30 WrapperNode [2024-09-11 20:49:30,007 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:49:30,008 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:49:30,008 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:49:30,008 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:49:30,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,018 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,025 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,043 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 [2024-09-11 20:49:30,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,052 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,055 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,059 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:49:30,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:49:30,059 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:49:30,060 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:49:30,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (1/1) ... [2024-09-11 20:49:30,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:49:30,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:49:30,087 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) [2024-09-11 20:49:30,088 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 [2024-09-11 20:49:30,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:49:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:49:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:49:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:49:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:49:30,119 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:49:30,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:49:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:49:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:49:30,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:49:30,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:49:30,175 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:49:30,179 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:49:39,167 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:49:39,277 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-09-11 20:49:39,277 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:49:39,296 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:49:39,296 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-11 20:49:39,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:39 BoogieIcfgContainer [2024-09-11 20:49:39,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:49:39,297 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:49:39,297 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:49:39,297 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:49:39,297 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 11.09 08:49:28" (1/4) ... [2024-09-11 20:49:39,298 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@334830a0 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:49:39, skipping insertion in model container [2024-09-11 20:49:39,298 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:49:29" (2/4) ... [2024-09-11 20:49:39,298 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@334830a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:39, skipping insertion in model container [2024-09-11 20:49:39,298 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:49:30" (3/4) ... [2024-09-11 20:49:39,298 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@334830a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:49:39, skipping insertion in model container [2024-09-11 20:49:39,298 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:49:39" (4/4) ... [2024-09-11 20:49:39,299 INFO L79 RefereeObserver]: Analyzing ICFG egcd3-ll_valuebound2.c [2024-09-11 20:49:39,302 INFO L112 InvariantChecker]: Found 3 loops. [2024-09-11 20:49:39,302 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:39,302 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:39,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-11 20:49:39,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:39,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:39,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr4REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:49:39,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 6 edges. [2024-09-11 20:49:39,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L35-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:39,303 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 11 edges. [2024-09-11 20:49:39,304 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-11 20:49:39,304 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L42-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:49:39,304 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to LOOP_INVARIANT_ERROR_LOC mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-11 20:49:39,304 INFO L367 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:39,304 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L49-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:49:39,304 INFO L130 InvariantChecker]: Will check 3 loop-free subgraphs from procedure entry to error location, 5 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 5 loop-free subgraphs from loop head to error location [2024-09-11 20:49:39,350 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:49:39,350 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:39,351 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:39,351 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:39,352 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:39,353 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,358 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:49:39,359 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,359 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:39,359 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:39,359 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:39,361 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:39,373 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location assume_abort_if_notErr0ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:39,400 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:39,400 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:39,400 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:39,400 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:39,400 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:39,400 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,417 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:39,418 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,418 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:39,418 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:39,418 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:39,418 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:39,421 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:39,444 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 7 edges [2024-09-11 20:49:39,446 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:39,446 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:39,446 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:39,447 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:39,447 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,473 INFO L101 BaseMinimizeStates]: Removed 14 edges and 4 locations by large block encoding [2024-09-11 20:49:39,473 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:39,473 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:39,473 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:39,473 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:39,479 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:40,424 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:40,525 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 6 edges [2024-09-11 20:49:40,525 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:40,525 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:40,525 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:40,526 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:40,526 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,537 INFO L101 BaseMinimizeStates]: Removed 10 edges and 3 locations by large block encoding [2024-09-11 20:49:40,537 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:40,537 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:40,538 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:40,538 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:40,541 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:44,743 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:44,824 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-11 20:49:44,825 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:44,825 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:44,825 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:44,825 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:44,825 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:44,834 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-11 20:49:44,834 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:44,834 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:44,835 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:44,835 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:44,835 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:48,993 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:49,076 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:49,076 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:49,076 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:49,076 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:49,076 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:49,076 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:49,083 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:49,083 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:49,084 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:49,084 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:49,084 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:49,084 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:51,713 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr4REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:49:51,780 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:49:51,780 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:51,781 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:51,781 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:51,781 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:51,781 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:51,793 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:49:51,793 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:51,793 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:51,793 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:51,794 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:51,794 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:55,967 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:49:56,037 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:56,037 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:56,037 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:56,038 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:56,038 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:56,038 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,053 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:56,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:56,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:56,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:56,054 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:56,065 INFO L514 InvariantChecker]: The annotation(s) from loop head L35-3 to loop head mainErr1ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:56,076 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-11 20:49:56,076 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:56,076 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:56,077 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:56,077 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:56,077 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,094 INFO L101 BaseMinimizeStates]: Removed 22 edges and 8 locations by large block encoding [2024-09-11 20:49:56,095 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,095 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:56,095 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:56,095 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:56,099 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:56,721 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:49:56,722 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:56,722 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:56,722 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:56,722 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:56,722 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,725 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:49:56,725 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,725 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:56,725 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:56,726 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:56,726 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:56,728 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:49:56,737 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:49:56,738 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:56,738 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:56,738 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:56,738 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:56,738 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,744 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:49:56,747 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,747 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:56,747 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:56,747 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:56,747 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:49:56,770 INFO L514 InvariantChecker]: The annotation(s) from loop head L42-3 to loop head mainErr2ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:49:56,784 INFO L314 BlockEncoder]: Initial Icfg 9 locations, 8 edges [2024-09-11 20:49:56,784 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:49:56,785 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:49:56,785 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:49:56,785 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:49:56,785 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,809 INFO L101 BaseMinimizeStates]: Removed 14 edges and 7 locations by large block encoding [2024-09-11 20:49:56,810 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:49:56,810 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:49:56,810 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:49:56,810 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:49:56,810 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:01,032 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:50:01,123 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:01,124 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:01,124 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:01,124 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:01,124 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:01,124 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,125 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:01,125 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,125 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:01,125 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:01,125 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:01,126 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:01,129 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:50:01,137 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:50:01,138 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:50:01,138 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:50:01,138 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:50:01,138 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:50:01,138 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,141 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:50:01,142 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:50:01,142 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:50:01,142 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:50:01,142 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:50:01,142 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:50:01,597 INFO L514 InvariantChecker]: The annotation(s) from loop head L49-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:50:01,641 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-11 20:50:01,642 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@334830a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:50:01, skipping insertion in model container [2024-09-11 20:50:01,642 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:50:01,643 INFO L158 Benchmark]: Toolchain (without parser) took 31931.80ms. Allocated memory is still 81.8MB. Free memory was 49.2MB in the beginning and 33.7MB in the end (delta: 15.5MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,644 INFO L158 Benchmark]: Witness Parser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:01,644 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 33.2MB in the beginning and 33.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:50:01,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 294.21ms. Allocated memory is still 81.8MB. Free memory was 48.9MB in the beginning and 54.9MB in the end (delta: -6.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,646 INFO L158 Benchmark]: Boogie Preprocessor took 51.13ms. Allocated memory is still 81.8MB. Free memory was 54.9MB in the beginning and 52.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,646 INFO L158 Benchmark]: RCFGBuilder took 9237.05ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 51.2MB in the end (delta: 1.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,647 INFO L158 Benchmark]: Referee took 22344.91ms. Allocated memory is still 81.8MB. Free memory was 51.2MB in the beginning and 33.7MB in the end (delta: 17.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-09-11 20:50:01,649 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 49 to loop head at line 42. One counterexample starts in a=2, b=1, c=2, d=-9223372035755868156, k=0, p=0, q=1, r=1, s=0, v=-9223372035755868156, x=1, y=2 and ends in . Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 49 to loop head at line 49. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 35 to check that procedure precondition always holds at line 35. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 51. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 52. Annotation is valid for all loop-free paths from loop head at line 35 to loop head at line 42. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from entry of procedure assume_abort_if_not to exit of procedure assume_abort_if_not. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 35. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 49. 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 12. Annotation is valid for all loop-free paths from loop head at line 49 to check that procedure precondition always holds at line 50. Annotation is valid for all loop-free paths from loop head at line 42 to loop head at line 35. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.17ms. Allocated memory is still 56.6MB. Free memory was 35.5MB in the beginning and 35.4MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.15ms. Allocated memory is still 56.6MB. Free memory was 33.2MB in the beginning and 33.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 294.21ms. Allocated memory is still 81.8MB. Free memory was 48.9MB in the beginning and 54.9MB in the end (delta: -6.0MB). Peak memory consumption was 11.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.13ms. Allocated memory is still 81.8MB. Free memory was 54.9MB in the beginning and 52.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 9237.05ms. Allocated memory is still 81.8MB. Free memory was 52.2MB in the beginning and 51.2MB in the end (delta: 1.0MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB. * Referee took 22344.91ms. Allocated memory is still 81.8MB. Free memory was 51.2MB in the beginning and 33.7MB in the end (delta: 17.5MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:50:01,737 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE