./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound50.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/ps2-ll_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound50.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 20:52:14,720 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:14,775 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:52:14,780 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:14,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:14,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:14,810 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:14,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:14,811 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:14,812 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:14,812 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:14,812 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:14,813 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:14,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:14,815 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:14,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:14,816 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:14,816 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:14,816 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:52:14,816 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:14,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:14,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:14,819 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:14,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:14,820 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:14,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:14,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:14,820 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:14,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:14,821 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:14,821 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:14,821 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:14,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:14,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:14,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:14,822 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:14,822 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:52:14,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:52:14,822 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:14,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:14,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:14,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:14,826 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:15,021 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:15,044 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:15,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:15,047 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:15,048 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:15,049 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2024-09-11 20:52:16,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:16,468 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:16,469 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2024-09-11 20:52:16,477 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/c27f3f2af/1b950219f96c4ff7b83b4b02ab3abe75/FLAGceb4d2ad0 [2024-09-11 20:52:16,491 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/c27f3f2af/1b950219f96c4ff7b83b4b02ab3abe75 [2024-09-11 20:52:16,493 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:16,494 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:16,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound50.yml/witness-2.1.yml [2024-09-11 20:52:16,531 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:16,532 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:16,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:16,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:16,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:16,540 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:16" (1/2) ... [2024-09-11 20:52:16,540 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1890ebf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,541 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:16" (1/2) ... [2024-09-11 20:52:16,542 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@47b37496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,542 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 08:52:16" (2/2) ... [2024-09-11 20:52:16,543 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1890ebf7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:16, skipping insertion in model container [2024-09-11 20:52:16,543 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 08:52:16" (2/2) ... [2024-09-11 20:52:16,551 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:16,551 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:16,552 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:16,568 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:16,716 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/ps2-ll_unwindbound50.c[454,467] [2024-09-11 20:52:16,728 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:16,735 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:16,763 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/ps2-ll_unwindbound50.c[454,467] Start Parsing Local [2024-09-11 20:52:16,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:16,785 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:16,785 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:16 WrapperNode [2024-09-11 20:52:16,785 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:16,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:16,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:16,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:16,797 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,798 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,803 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,810 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 [2024-09-11 20:52:16,811 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,811 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,815 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,820 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,821 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,822 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:16,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:16,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:16,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:16,825 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 08:52:16" (1/1) ... [2024-09-11 20:52:16,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:16,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:16,851 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 20:52:16,858 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 20:52:16,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:16,911 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:16,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:52:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:52:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:52:16,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:16,963 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:16,965 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:17,058 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:17,096 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:17,096 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:17,111 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:17,111 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:17,111 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:17 BoogieIcfgContainer [2024-09-11 20:52:17,111 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:17,112 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:17,112 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:17,112 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:17,113 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:16" (1/4) ... [2024-09-11 20:52:17,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2edd963a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:17, skipping insertion in model container [2024-09-11 20:52:17,113 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 08:52:16" (2/4) ... [2024-09-11 20:52:17,113 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2edd963a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:17, skipping insertion in model container [2024-09-11 20:52:17,113 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 08:52:16" (3/4) ... [2024-09-11 20:52:17,114 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2edd963a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:17, skipping insertion in model container [2024-09-11 20:52:17,114 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 08:52:17" (4/4) ... [2024-09-11 20:52:17,115 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound50.c [2024-09-11 20:52:17,118 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:17,119 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:17,119 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:17,119 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:52:17,120 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:52:17,120 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 20:52:17,120 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 20:52:17,120 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from loop head to error location, 1 loop-free subgraphs from loop head to loop head, 2 loop-free subgraphs from procedure entry to error location [2024-09-11 20:52:17,145 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:17,146 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,146 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,147 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,148 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,149 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,175 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:17,175 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,176 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,176 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,176 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,181 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,198 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:17,216 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:17,216 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,217 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,217 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,217 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,217 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,233 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:17,233 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,233 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,234 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,234 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,234 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,236 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:52:17,246 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:17,246 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,246 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,246 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,246 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,247 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,248 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:17,249 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,249 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,249 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,249 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,249 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,254 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:17,268 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:17,270 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,270 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,270 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,270 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,271 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,286 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:17,290 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,290 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,291 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,291 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,291 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,292 INFO L514 InvariantChecker]: The annotation(s) from loop head L27-4 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:17,302 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:17,303 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,303 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,303 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,303 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,303 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,309 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:17,309 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,310 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,310 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,310 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,311 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,315 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:17,324 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:17,325 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:17,325 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:17,325 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:17,326 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:17,326 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,328 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:17,328 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:17,328 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:17,329 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:17,329 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:17,329 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:17,331 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:17,336 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:52:17,336 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@2edd963a and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:17, skipping insertion in model container [2024-09-11 20:52:17,336 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:17,338 INFO L158 Benchmark]: Toolchain (without parser) took 804.87ms. Allocated memory is still 184.5MB. Free memory was 112.8MB in the beginning and 127.7MB in the end (delta: -14.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:17,338 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:17,338 INFO L158 Benchmark]: Witness Parser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:17,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.30ms. Allocated memory is still 184.5MB. Free memory was 112.6MB in the beginning and 98.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,341 INFO L158 Benchmark]: Boogie Preprocessor took 37.23ms. Allocated memory is still 184.5MB. Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,341 INFO L158 Benchmark]: RCFGBuilder took 287.39ms. Allocated memory is still 184.5MB. Free memory was 96.3MB in the beginning and 145.6MB in the end (delta: -49.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,342 INFO L158 Benchmark]: Referee took 224.50ms. Allocated memory is still 184.5MB. Free memory was 145.6MB in the beginning and 127.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-09-11 20:52:17,344 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 entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 11. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. 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: * CDTParser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.15ms. Allocated memory is still 184.5MB. Free memory is still 114.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.30ms. Allocated memory is still 184.5MB. Free memory was 112.6MB in the beginning and 98.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.23ms. Allocated memory is still 184.5MB. Free memory was 98.3MB in the beginning and 96.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 287.39ms. Allocated memory is still 184.5MB. Free memory was 96.3MB in the beginning and 145.6MB in the end (delta: -49.3MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Referee took 224.50ms. Allocated memory is still 184.5MB. Free memory was 145.6MB in the beginning and 127.7MB in the end (delta: 18.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:17,373 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/ps2-ll_unwindbound50.c ../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound50.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 20:52:19,508 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:52:19,565 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:52:19,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:52:19,569 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:52:19,591 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:52:19,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:52:19,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:52:19,593 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:52:19,595 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:52:19,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:52:19,595 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:52:19,596 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:52:19,596 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:52:19,599 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:52:19,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:52:19,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:52:19,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:52:19,600 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:52:19,600 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:52:19,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:52:19,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:52:19,601 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:52:19,601 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:52:19,601 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:52:19,601 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:52:19,601 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:52:19,602 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:52:19,602 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:52:19,602 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:52:19,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:52:19,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:52:19,603 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:52:19,603 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:52:19,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:19,603 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:52:19,603 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:52:19,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:52:19,604 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:52:19,604 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:52:19,605 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:52:19,607 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:52:19,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:52:19,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:52:19,608 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:52:19,608 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:52:19,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:52:19,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:52:19,901 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:52:19,902 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:52:19,903 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:52:19,904 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2024-09-11 20:52:21,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:52:21,508 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:52:21,509 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound50.c [2024-09-11 20:52:21,516 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/402acb8e5/b709897ce5574339b91d3b4c1ce1f154/FLAG569f79238 [2024-09-11 20:52:21,931 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/402acb8e5/b709897ce5574339b91d3b4c1ce1f154 [2024-09-11 20:52:21,933 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:52:21,934 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:52:21,935 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/ps2-ll_unwindbound50.yml/witness-2.1.yml [2024-09-11 20:52:21,983 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:52:21,985 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:52:21,987 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:21,987 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:52:21,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:52:21,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:21" (1/2) ... [2024-09-11 20:52:21,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc3bdce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:21, skipping insertion in model container [2024-09-11 20:52:21,995 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:52:21" (1/2) ... [2024-09-11 20:52:21,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@28eede6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:52:21, skipping insertion in model container [2024-09-11 20:52:21,997 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 08:52:21" (2/2) ... [2024-09-11 20:52:21,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc3bdce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:21, skipping insertion in model container [2024-09-11 20:52:21,997 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 08:52:21" (2/2) ... [2024-09-11 20:52:22,004 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:52:22,004 INFO L1541 ArrayList]: Loop invariant at [L27-L36] (((__int128) 2 * x) == (y + ((__int128) y * y))) [2024-09-11 20:52:22,004 INFO L1541 ArrayList]: Function contract at [L9]: requires (1 <= \old(cond)), ensures (1 <= \old(cond)) [2024-09-11 20:52:22,019 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:52:22,185 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/ps2-ll_unwindbound50.c[454,467] [2024-09-11 20:52:22,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:22,226 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:52:22,262 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/ps2-ll_unwindbound50.c[454,467] Start Parsing Local [2024-09-11 20:52:22,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:52:22,289 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:52:22,290 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:52:22 WrapperNode [2024-09-11 20:52:22,290 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:52:22,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:52:22,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:52:22,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:52:22,304 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,304 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,311 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,324 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 [2024-09-11 20:52:22,324 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,325 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,332 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,336 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,338 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,342 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:52:22,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:52:22,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:52:22,347 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:52:22,347 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 08:52:22" (1/1) ... [2024-09-11 20:52:22,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:52:22,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:52:22,379 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 20:52:22,386 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 20:52:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:52:22,447 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:52:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:52:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-09-11 20:52:22,448 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:52:22,449 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:52:22,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:52:22,513 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:52:22,518 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:52:23,268 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:52:23,312 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-09-11 20:52:23,313 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:52:23,332 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:52:23,332 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:52:23,332 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:52:23 BoogieIcfgContainer [2024-09-11 20:52:23,333 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:52:23,333 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:52:23,333 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:52:23,334 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:52:23,334 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:52:21" (1/4) ... [2024-09-11 20:52:23,334 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d56ca97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:52:23, skipping insertion in model container [2024-09-11 20:52:23,335 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 08:52:21" (2/4) ... [2024-09-11 20:52:23,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d56ca97 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:23, skipping insertion in model container [2024-09-11 20:52:23,335 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 08:52:22" (3/4) ... [2024-09-11 20:52:23,335 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d56ca97 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:52:23, skipping insertion in model container [2024-09-11 20:52:23,335 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 08:52:23" (4/4) ... [2024-09-11 20:52:23,336 INFO L79 RefereeObserver]: Analyzing ICFG ps2-ll_unwindbound50.c [2024-09-11 20:52:23,340 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:52:23,341 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 8 edges. [2024-09-11 20:52:23,341 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:52:23,341 INFO L367 InvariantChecker]: Will check inductivity from ENTRY $Ultimate##0 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 2 edges. [2024-09-11 20:52:23,341 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L27-4 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 6 edges. [2024-09-11 20:52:23,342 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 20:52:23,342 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 20:52:23,342 INFO L130 InvariantChecker]: Will check 1 loop-free subgraphs from loop head to loop head, 1 loop-free subgraphs from procedure entry to loop head, 2 loop-free subgraphs from procedure entry to error location, 2 loop-free subgraphs from loop head to error location [2024-09-11 20:52:23,375 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 8 edges [2024-09-11 20:52:23,376 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:23,376 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:23,377 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:23,378 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:23,379 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:23,424 INFO L101 BaseMinimizeStates]: Removed 14 edges and 5 locations by large block encoding [2024-09-11 20:52:23,425 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:23,425 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:23,425 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:23,426 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:23,440 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:27,521 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:27,566 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:52:27,566 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:27,566 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:27,566 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:27,567 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:27,567 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:27,587 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:52:27,588 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:27,588 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:27,588 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:27,588 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:27,588 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:31,656 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:31,688 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:52:31,689 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,689 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,689 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,689 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,689 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,698 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:52:31,698 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,699 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,699 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,699 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,699 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:31,703 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:52:31,713 INFO L314 BlockEncoder]: Initial Icfg 7 locations, 6 edges [2024-09-11 20:52:31,713 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:31,714 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:31,714 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:31,714 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:31,714 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,734 INFO L101 BaseMinimizeStates]: Removed 10 edges and 5 locations by large block encoding [2024-09-11 20:52:31,734 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:31,734 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:31,734 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:31,735 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:31,735 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,891 INFO L510 InvariantChecker]: unknown inductivity: todo good error message [2024-09-11 20:52:35,950 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:52:35,951 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,951 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,951 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,951 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,951 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,958 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:52:35,958 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,959 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,959 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,959 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,959 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,961 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:52:35,967 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:52:35,967 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:52:35,968 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:52:35,968 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:52:35,968 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:52:35,968 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,969 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:52:35,970 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:52:35,970 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:52:35,970 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:52:35,970 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:52:35,970 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:52:35,972 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:52:35,975 INFO L58 RefereeStarter]: Insufficient resources for checking whether annotation is a valid proof of correctness [2024-09-11 20:52:35,976 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@6d56ca97 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:52:35, skipping insertion in model container [2024-09-11 20:52:35,976 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:52:35,977 INFO L158 Benchmark]: Toolchain (without parser) took 13991.91ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 36.9MB in the beginning and 62.2MB in the end (delta: -25.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,978 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 23.2MB in the beginning and 23.1MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:35,978 INFO L158 Benchmark]: Witness Parser took 1.33ms. Allocated memory is still 71.3MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:52:35,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.71ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 42.7MB in the end (delta: -6.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,979 INFO L158 Benchmark]: Boogie Preprocessor took 53.70ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,979 INFO L158 Benchmark]: RCFGBuilder took 986.45ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 44.8MB in the end (delta: -4.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,980 INFO L158 Benchmark]: Referee took 12642.65ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 44.8MB in the beginning and 62.2MB in the end (delta: -17.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2024-09-11 20:52:35,982 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is a valid proof of correctness Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to loop head at line 27. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 28. Insufficient resources for checking whether annotation is valid for all loop-free paths from loop head at line 27 to check that procedure precondition always holds at line 27. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 27. 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 11. 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: * CDTParser took 0.14ms. Allocated memory is still 46.1MB. Free memory was 23.2MB in the beginning and 23.1MB in the end (delta: 60.9kB). There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 1.33ms. Allocated memory is still 71.3MB. Free memory is still 38.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.71ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 42.7MB in the end (delta: -6.0MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.70ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 40.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 986.45ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 44.8MB in the end (delta: -4.1MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. * Referee took 12642.65ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 44.8MB in the beginning and 62.2MB in the end (delta: -17.4MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:52:36,031 INFO L552 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN