./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench/hard2.c --full-output --witness-type correctness_witness --validate ../results/cpachecker-verification-files/SV-COMP24_unreach-call/hard2.yml/output/witness-2.1.yml --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 27b49876 Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/certificate-witnesses-artifact/referee/data/config -Xmx15G -Xms4m -jar /storage/repos/certificate-witnesses-artifact/referee/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/certificate-witnesses-artifact/referee/data -tc /storage/repos/certificate-witnesses-artifact/referee/config/RefereeReachWitnessValidation.xml -i ../sv-benchmarks/c/nla-digbench/hard2.c ../results/cpachecker-verification-files/SV-COMP24_unreach-call/hard2.yml/output/witness-2.1.yml -s /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --- Real Ultimate output --- This is Ultimate 0.2.4-tmp.dk.referee-eval-27b4987-m [2024-09-21 19:08:22,793 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-21 19:08:22,851 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-21 19:08:22,854 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-21 19:08:22,855 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-21 19:08:22,878 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-21 19:08:22,879 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-21 19:08:22,879 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-21 19:08:22,879 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-21 19:08:22,880 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-21 19:08:22,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-21 19:08:22,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-21 19:08:22,881 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-21 19:08:22,881 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-21 19:08:22,881 INFO L153 SettingsManager]: * Use SBE=true [2024-09-21 19:08:22,882 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-21 19:08:22,882 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-21 19:08:22,882 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-21 19:08:22,882 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-21 19:08:22,882 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-21 19:08:22,883 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-21 19:08:22,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-21 19:08:22,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-21 19:08:22,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-21 19:08:22,886 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-21 19:08:22,886 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-21 19:08:22,886 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-21 19:08:22,886 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-21 19:08:22,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-21 19:08:22,887 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-21 19:08:22,887 INFO L153 SettingsManager]: * Future-live optimization=false [2024-09-21 19:08:22,887 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-21 19:08:22,887 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-21 19:08:22,887 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:22,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-21 19:08:22,888 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-21 19:08:22,888 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-21 19:08:22,888 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-21 19:08:22,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-21 19:08:22,888 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-21 19:08:22,888 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-21 19:08:22,890 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-21 19:08:22,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-21 19:08:22,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-21 19:08:23,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-21 19:08:23,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-21 19:08:23,096 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-21 19:08:23,097 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-21 19:08:23,097 INFO L274 PluginConnector]: CDTParser initialized [2024-09-21 19:08:23,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench/hard2.c [2024-09-21 19:08:24,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-21 19:08:24,481 INFO L384 CDTParser]: Found 1 translation units. [2024-09-21 19:08:24,481 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/hard2.c [2024-09-21 19:08:24,487 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/a9e7420f6/6f9afcff615d43b6973560aa10ec681f/FLAG1f67fd7da [2024-09-21 19:08:24,500 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/a9e7420f6/6f9afcff615d43b6973560aa10ec681f [2024-09-21 19:08:24,504 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-21 19:08:24,504 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-21 19:08:24,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/cpachecker-verification-files/SV-COMP24_unreach-call/hard2.yml/output/witness-2.1.yml [2024-09-21 19:08:24,557 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-21 19:08:24,558 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-21 19:08:24,561 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:24,561 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-21 19:08:24,565 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-21 19:08:24,565 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:24" (1/2) ... [2024-09-21 19:08:24,566 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172109ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:24, skipping insertion in model container [2024-09-21 19:08:24,567 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 07:08:24" (1/2) ... [2024-09-21 19:08:24,568 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@5044a164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 07:08:24, skipping insertion in model container [2024-09-21 19:08:24,569 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:24" (2/2) ... [2024-09-21 19:08:24,569 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@172109ae and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:24, skipping insertion in model container [2024-09-21 19:08:24,569 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:24" (2/2) ... [2024-09-21 19:08:24,577 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-21 19:08:24,578 INFO L1541 ArrayList]: Loop invariant at [L33-L41] ( ( q == 0 ) && ( ( r == A ) && ( ( d == 1 ) && ( ( B == 1 ) && ( ( d == B ) && ( ( p == 1 ) && ( ( ( d == p ) && ( ! ( d == 2 ) ) ) && ( ! ( p == 2 ) ) ) ) ) ) ) ) ) || ( ( q == 0 ) && ( ( r == A ) && ( ( ! ( d == 1 ) ) && ( ( B == 1 ) && ( ( ! ( d == B ) ) && ( ( ! ( p == 1 ) ) && ( ( p == 2 ) && ( ( d == 2 ) && ( d == p ) ) ) ) ) ) ) ) ) || ( ( q == 0 ) && ( ( r == A ) && ( ( ! ( d == 1 ) ) && ( ( B == 1 ) && ( ( ! ( d == B ) ) && ( ( ! ( p == 1 ) ) && ( ( ( ! ( p == 2 ) ) || ( ( d == 2 ) && ( d == p ) ) ) && ( ( p == 2 ) || ( ( d == p ) && ( ! ( d == 2 ) ) ) ) ) ) ) ) ) ) ) || ( ( q == 0 ) && ( ( r == A ) && ( ( ! ( d == 1 ) ) && ( ( B == 1 ) && ( ( ! ( d == B ) ) && ( ( ! ( p == 1 ) ) && ( ( ( d == p ) && ( ! ( d == 2 ) ) ) && ( ! ( p == 2 ) ) ) ) ) ) ) ) ) [2024-09-21 19:08:24,578 INFO L1541 ArrayList]: Loop invariant at [L43-L55] ( ( ( ! ( q == 0 ) ) || ( ( r == A ) && ( ( ( ! ( d == 1 ) ) || ( ( B == 1 ) && ( ( d == B ) && ( ( p == 1 ) && ( ( ! ( ( ( d == ( B * p ) ) ? 1 : 0 ) == 0 ) ) && ( A == ( r + ( q * B ) ) ) ) ) ) ) ) && ( ( d == 1 ) || ( ( B == 1 ) && ( ( ! ( d == B ) ) && ( ( ! ( p == 1 ) ) && ( ( ! ( ( ( d == ( B * p ) ) ? 1 : 0 ) == 0 ) ) && ( A == ( r + ( q * B ) ) ) ) ) ) ) ) ) ) ) && ( ( q == 0 ) || ( ( ! ( r == A ) ) && ( ( ( ! ( d == 1 ) ) || ( ( B == 1 ) && ( ( d == B ) && ( ( p == 1 ) && ( ( ! ( ( ( d == ( B * p ) ) ? 1 : 0 ) == 0 ) ) && ( A == ( r + ( q * B ) ) ) ) ) ) ) ) && ( ( d == 1 ) || ( ( B == 1 ) && ( ( ! ( d == B ) ) && ( ( ! ( p == 1 ) ) && ( ( ! ( ( ( d == ( B * p ) ) ? 1 : 0 ) == 0 ) ) && ( A == ( r + ( q * B ) ) ) ) ) ) ) ) ) ) ) ) || ( ( q == 0 ) && ( ( r == A ) && ( ( d == 1 ) && ( ( B == 1 ) && ( ( d == B ) && ( ( p == 1 ) && ( ( ! ( ( ( d == ( B * p ) ) ? 1 : 0 ) == 0 ) ) && ( A == ( r + ( q * B ) ) ) ) ) ) ) ) ) ) || ( ( q == 0 ) && ( ( r == A ) && ( ( ! ( d == 1 ) ) && ( ( B == 1 ) && ( ( ! ( d == B ) ) && ( ( ! ( p == 1 ) ) && ( ( ! ( ( ( d == ( B * p ) ) ? 1 : 0 ) == 0 ) ) && ( A == ( r + ( q * B ) ) ) ) ) ) ) ) ) ) [2024-09-21 19:08:24,578 INFO L1541 ArrayList]: Function contract at [L14]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:24,578 INFO L1541 ArrayList]: Function contract at [L22]: requires 1, ensures (!(1) || (1)) [2024-09-21 19:08:24,593 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-21 19:08:24,704 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/hard2.c[526,539] [2024-09-21 19:08:24,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:24,727 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-21 19:08:24,758 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench/hard2.c[526,539] Start Parsing Global Start Parsing Global Start Parsing Local Start Parsing Local [2024-09-21 19:08:24,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-21 19:08:24,798 INFO L204 MainTranslator]: Completed translation [2024-09-21 19:08:24,799 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:24 WrapperNode [2024-09-21 19:08:24,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-21 19:08:24,802 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-21 19:08:24,802 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-21 19:08:24,802 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-21 19:08:24,813 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,813 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,823 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,849 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Procedure __VERIFIER_assert is not part of the Ultimate memory model but has specification other that is not a ModifiesSpecification [2024-09-21 19:08:24,850 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,850 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,859 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,862 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,863 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,864 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,867 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-21 19:08:24,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-21 19:08:24,871 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-21 19:08:24,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-21 19:08:24,872 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 21.09 07:08:24" (1/1) ... [2024-09-21 19:08:24,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-21 19:08:24,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-21 19:08:24,894 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) [2024-09-21 19:08:24,895 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 [2024-09-21 19:08:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-21 19:08:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-21 19:08:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-21 19:08:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-21 19:08:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-21 19:08:24,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-21 19:08:24,932 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-21 19:08:24,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-21 19:08:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-21 19:08:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-21 19:08:24,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-21 19:08:24,982 INFO L242 CfgBuilder]: Building ICFG [2024-09-21 19:08:24,983 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-21 19:08:25,015 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:25,119 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-21 19:08:25,131 INFO L291 CfgBuilder]: Performing block encoding [2024-09-21 19:08:25,157 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-21 19:08:25,157 INFO L318 CfgBuilder]: Removed 3 assume(true) statements. [2024-09-21 19:08:25,158 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:25 BoogieIcfgContainer [2024-09-21 19:08:25,158 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-21 19:08:25,158 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-21 19:08:25,158 INFO L270 PluginConnector]: Initializing Referee... [2024-09-21 19:08:25,159 INFO L274 PluginConnector]: Referee initialized [2024-09-21 19:08:25,159 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 21.09 07:08:24" (1/4) ... [2024-09-21 19:08:25,160 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c333261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 21.09 07:08:25, skipping insertion in model container [2024-09-21 19:08:25,160 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 21.09 07:08:24" (2/4) ... [2024-09-21 19:08:25,160 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c333261 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:25, skipping insertion in model container [2024-09-21 19:08:25,160 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 21.09 07:08:24" (3/4) ... [2024-09-21 19:08:25,160 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c333261 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 21.09 07:08:25, skipping insertion in model container [2024-09-21 19:08:25,160 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 07:08:25" (4/4) ... [2024-09-21 19:08:25,161 INFO L79 RefereeObserver]: Analyzing ICFG hard2.c [2024-09-21 19:08:25,164 INFO L113 InvariantChecker]: Found 2 loops. [2024-09-21 19:08:25,164 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to ERROR_LOC mainErr5REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:25,164 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 9 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to LOOP_INVARIANT_ERROR_LOC mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 8 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to ERROR_LOC mainErr8REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 9 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to ERROR_LOC mainErr7REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 7 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from ENTRY mainENTRY to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to ERROR_LOC mainErr6REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to ERROR_LOC ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 2 edges. [2024-09-21 19:08:25,165 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L51-2 to ERROR_LOC mainErr9ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 11 edges. [2024-09-21 19:08:25,166 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:08:25,166 INFO L373 InvariantChecker]: Will check inductivity from ENTRY __VERIFIER_assertENTRY to ERROR_LOC __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION. Corresponding subgraph has 3 edges. [2024-09-21 19:08:25,166 INFO L373 InvariantChecker]: Will check inductivity from LOOP_HEAD L33-3 to ERROR_LOC mainErr3REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 5 edges. [2024-09-21 19:08:25,166 INFO L131 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 3 loop-free subgraphs from procedure entry to error location, 8 loop-free subgraphs from loop head to error location, 3 loop-free subgraphs from loop head to loop head [2024-09-21 19:08:25,199 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:25,200 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,200 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,200 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,201 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,202 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,212 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:25,212 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,213 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,213 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,213 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,213 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,223 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to error location mainErr5REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:25,239 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:25,240 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,240 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,240 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,240 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,240 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,242 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:25,242 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,242 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,242 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,242 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,242 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,243 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:25,260 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:08:25,262 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,262 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,262 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,263 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,263 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,274 INFO L101 BaseMinimizeStates]: Removed 16 edges and 6 locations by large block encoding [2024-09-21 19:08:25,274 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,274 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,274 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,275 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,279 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,282 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:25,296 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 8 edges [2024-09-21 19:08:25,296 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,296 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,297 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,297 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,297 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,323 INFO L101 BaseMinimizeStates]: Removed 14 edges and 6 locations by large block encoding [2024-09-21 19:08:25,324 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,324 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,324 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,324 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,332 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,344 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to loop head mainErr4ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:25,353 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 9 edges [2024-09-21 19:08:25,353 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,353 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,354 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,354 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,354 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,361 INFO L101 BaseMinimizeStates]: Removed 18 edges and 6 locations by large block encoding [2024-09-21 19:08:25,361 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,361 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,362 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,362 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,362 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,364 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to error location mainErr8REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:25,371 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:08:25,371 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,371 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,371 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,371 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,371 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,374 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:08:25,374 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,374 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,374 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,374 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,375 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,376 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:25,386 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-21 19:08:25,386 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,387 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,387 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,387 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,387 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,391 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-21 19:08:25,392 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,392 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,392 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,392 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,394 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,395 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to error location mainErr7REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:25,403 INFO L314 BlockEncoder]: Initial Icfg 8 locations, 7 edges [2024-09-21 19:08:25,403 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,404 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,405 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,406 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,406 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,412 INFO L101 BaseMinimizeStates]: Removed 12 edges and 6 locations by large block encoding [2024-09-21 19:08:25,412 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,412 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,412 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,413 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,413 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,416 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:25,425 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:25,426 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,427 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,427 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,427 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,427 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,429 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:25,429 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,429 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,429 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,429 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,429 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,435 INFO L520 InvariantChecker]: The annotation(s) from entry mainENTRY to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-21 19:08:25,441 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-21 19:08:25,441 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,442 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,442 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,442 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,442 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,445 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-21 19:08:25,445 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,445 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,446 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,446 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,446 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,447 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to error location mainErr6REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:25,455 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-21 19:08:25,456 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,456 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,456 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,456 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,456 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,457 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-21 19:08:25,457 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,457 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,457 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,457 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,457 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,458 INFO L520 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to error location ULTIMATE.startErr0REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:25,465 INFO L314 BlockEncoder]: Initial Icfg 10 locations, 11 edges [2024-09-21 19:08:25,466 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,466 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,467 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,467 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,467 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,477 INFO L101 BaseMinimizeStates]: Removed 26 edges and 8 locations by large block encoding [2024-09-21 19:08:25,478 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,478 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,478 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,478 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,478 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,479 INFO L520 InvariantChecker]: The annotation(s) from loop head L51-2 to error location mainErr9ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:25,485 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-21 19:08:25,486 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,486 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,486 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,487 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,487 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,488 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-21 19:08:25,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,488 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,488 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,489 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,490 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,491 INFO L520 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-21 19:08:25,497 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-21 19:08:25,497 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,498 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,498 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,498 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,498 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,499 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-21 19:08:25,499 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,499 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,499 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,499 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,500 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,513 INFO L314 BlockEncoder]: Initial Icfg 6 locations, 5 edges [2024-09-21 19:08:25,513 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-21 19:08:25,514 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-21 19:08:25,514 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-21 19:08:25,514 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-21 19:08:25,514 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,517 INFO L101 BaseMinimizeStates]: Removed 8 edges and 4 locations by large block encoding [2024-09-21 19:08:25,517 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-21 19:08:25,517 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-21 19:08:25,518 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-21 19:08:25,518 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-21 19:08:25,518 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-21 19:08:25,520 INFO L520 InvariantChecker]: The annotation(s) from loop head L33-3 to error location mainErr3REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-21 19:08:25,526 INFO L58 RefereeStarter]: Annotation is not a valid proof of correctness. [2024-09-21 19:08:25,528 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6c333261 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 21.09 07:08:25, skipping insertion in model container [2024-09-21 19:08:25,528 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-21 19:08:25,530 INFO L158 Benchmark]: Toolchain (without parser) took 970.36ms. Allocated memory is still 159.4MB. Free memory was 87.5MB in the beginning and 48.9MB in the end (delta: 38.6MB). Peak memory consumption was 40.2MB. Max. memory is 16.1GB. [2024-09-21 19:08:25,530 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 111.1MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:25,530 INFO L158 Benchmark]: Witness Parser took 1.19ms. Allocated memory is still 159.4MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-21 19:08:25,530 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.94ms. Allocated memory is still 159.4MB. Free memory was 87.3MB in the beginning and 72.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-21 19:08:25,531 INFO L158 Benchmark]: Boogie Preprocessor took 64.53ms. Allocated memory is still 159.4MB. Free memory was 72.7MB in the beginning and 129.4MB in the end (delta: -56.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-09-21 19:08:25,531 INFO L158 Benchmark]: RCFGBuilder took 290.61ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 112.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-21 19:08:25,531 INFO L158 Benchmark]: Referee took 369.83ms. Allocated memory is still 159.4MB. Free memory was 112.6MB in the beginning and 48.9MB in the end (delta: 63.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2024-09-21 19:08:25,536 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 16. One counterexample starts in \old(cond)=0 and ends in \old(cond)=0, cond=0. Annotation is valid for all loop-free paths from loop head at line 43 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 43 to check that procedure precondition always holds at line 43. 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 loop head at line 43 to check that procedure precondition always holds at line 57. Annotation is valid for all loop-free paths from loop head at line 43 to loop head at line 43. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 35. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 43 to exit of procedure main. Annotation is valid for all loop-free paths from entry of procedure ULTIMATE.start to check that procedure precondition always holds at line -1. Annotation is valid for all loop-free paths from loop head at line 43 to check that procedure precondition always holds at line 44. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from loop head at line 33 to check that procedure precondition always holds at line 34. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 33. Annotation is valid for all loop-free paths from loop head at line 33 to loop head at line 43. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44ms. Allocated memory is still 111.1MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.19ms. Allocated memory is still 159.4MB. Free memory is still 89.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.94ms. Allocated memory is still 159.4MB. Free memory was 87.3MB in the beginning and 72.7MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.53ms. Allocated memory is still 159.4MB. Free memory was 72.7MB in the beginning and 129.4MB in the end (delta: -56.7MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * RCFGBuilder took 290.61ms. Allocated memory is still 159.4MB. Free memory was 129.4MB in the beginning and 112.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Referee took 369.83ms. Allocated memory is still 159.4MB. Free memory was 112.6MB in the beginning and 48.9MB in the end (delta: 63.7MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-09-21 19:08:25,571 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE