./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/loops/while_infinite_loop_2.c --full-output --witness-type correctness_witness --validate ../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_2.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/loops/while_infinite_loop_2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_2.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 20:46:26,667 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:26,731 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Default.epf [2024-09-11 20:46:26,737 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:26,738 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:26,755 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:26,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:26,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:26,757 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:26,758 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:26,758 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:26,759 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:26,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:26,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:26,761 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:26,761 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:26,761 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:26,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:26,762 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-09-11 20:46:26,762 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:26,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:26,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:26,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:26,767 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:26,767 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:26,767 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:26,767 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:26,768 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:26,768 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:26,768 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:26,768 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:26,768 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:26,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:26,769 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:26,769 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:26,769 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:26,769 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-09-11 20:46:26,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-09-11 20:46:26,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:26,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:26,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:26,771 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:26,771 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:26,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:27,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:27,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:27,007 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:27,007 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:27,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_2.yml/witness-2.1.yml [2024-09-11 20:46:27,077 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:27,078 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:27,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/while_infinite_loop_2.c [2024-09-11 20:46:28,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:28,520 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:28,521 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/while_infinite_loop_2.c [2024-09-11 20:46:28,527 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/35bfb4037/7e014b239a8f452ca0ec7f9a3f8924d3/FLAGb402b4845 [2024-09-11 20:46:28,926 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/35bfb4037/7e014b239a8f452ca0ec7f9a3f8924d3 [2024-09-11 20:46:28,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:28,927 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:28,928 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:28,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:28,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:28,934 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 08:46:27" (1/2) ... [2024-09-11 20:46:28,934 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6ae3ce and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:28, skipping insertion in model container [2024-09-11 20:46:28,935 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 08:46:27" (1/2) ... [2024-09-11 20:46:28,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@45bfa519 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:28, skipping insertion in model container [2024-09-11 20:46:28,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:28" (2/2) ... [2024-09-11 20:46:28,936 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e6ae3ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:28, skipping insertion in model container [2024-09-11 20:46:28,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:28" (2/2) ... [2024-09-11 20:46:28,943 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:28,943 INFO L1541 ArrayList]: Loop invariant at [L14-L17] (x == 0) [2024-09-11 20:46:28,944 INFO L1541 ArrayList]: Function contract at [L5]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:46:28,955 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:29,064 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/loops/while_infinite_loop_2.c[333,346] [2024-09-11 20:46:29,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:29,088 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:29,113 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/loops/while_infinite_loop_2.c[333,346] Start Parsing Local [2024-09-11 20:46:29,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:29,128 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:29,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29 WrapperNode [2024-09-11 20:46:29,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:29,129 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:29,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:29,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:29,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,143 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,149 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 20:46:29,150 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,150 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,152 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,154 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,155 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,156 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,157 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:29,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:29,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:29,158 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:29,158 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (1/1) ... [2024-09-11 20:46:29,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:29,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:29,183 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 20:46:29,184 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 20:46:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:29,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:29,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-09-11 20:46:29,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-09-11 20:46:29,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:29,274 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:29,275 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:29,344 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:29,369 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:29,369 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:29,386 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:29,386 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:29,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:29 BoogieIcfgContainer [2024-09-11 20:46:29,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:29,387 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:29,387 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:29,388 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:29,388 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 08:46:27" (1/4) ... [2024-09-11 20:46:29,392 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61e6fa7 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:29, skipping insertion in model container [2024-09-11 20:46:29,392 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:28" (2/4) ... [2024-09-11 20:46:29,392 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61e6fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:29, skipping insertion in model container [2024-09-11 20:46:29,392 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:29" (3/4) ... [2024-09-11 20:46:29,393 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61e6fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:29, skipping insertion in model container [2024-09-11 20:46:29,393 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:29" (4/4) ... [2024-09-11 20:46:29,394 INFO L79 RefereeObserver]: Analyzing ICFG while_infinite_loop_2.c [2024-09-11 20:46:29,397 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:29,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:46:29,398 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 20:46:29,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:46:29,398 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:29,398 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 20:46:29,398 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 20:46:29,399 INFO L130 InvariantChecker]: Will check 2 loop-free subgraphs from loop head to error location, 2 loop-free subgraphs from procedure entry to error location, 1 loop-free subgraphs from procedure entry to loop head, 1 loop-free subgraphs from loop head to loop head [2024-09-11 20:46:29,424 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:46:29,425 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:29,425 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:29,426 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:29,426 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:29,428 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,439 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:46:29,440 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,441 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:29,441 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:29,441 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:29,441 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:29,463 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:29,473 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:46:29,473 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:29,473 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:29,473 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:29,474 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:29,474 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,474 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:46:29,475 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,475 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:29,475 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:29,475 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:29,475 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:29,478 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:29,487 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:46:29,487 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:29,487 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:29,488 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:29,488 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:29,488 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,490 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:46:29,491 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,491 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:29,491 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:29,491 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:29,495 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:29,496 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:29,504 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:29,505 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:29,506 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:29,506 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:29,506 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:29,507 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,508 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:29,509 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,510 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:29,510 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:29,510 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:29,511 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:29,513 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:29,520 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:29,521 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:29,521 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:29,521 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:29,521 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:29,521 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,525 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:46:29,525 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,526 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:29,526 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:29,526 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:29,526 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:29,527 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:46:29,531 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:29,532 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:29,532 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:29,532 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:29,532 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:29,532 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,533 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:29,533 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:29,533 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:29,533 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:29,533 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:29,533 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:29,535 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:46:29,538 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:46:29,539 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@61e6fa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:46:29, skipping insertion in model container [2024-09-11 20:46:29,539 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:46:29,541 INFO L158 Benchmark]: Toolchain (without parser) took 612.84ms. Allocated memory is still 140.5MB. Free memory was 107.7MB in the beginning and 69.9MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2024-09-11 20:46:29,542 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:29,542 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:29,542 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.64ms. Allocated memory is still 140.5MB. Free memory was 107.7MB in the beginning and 94.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:29,543 INFO L158 Benchmark]: Boogie Preprocessor took 27.47ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:29,544 INFO L158 Benchmark]: RCFGBuilder took 229.41ms. Allocated memory is still 140.5MB. Free memory was 93.0MB in the beginning and 81.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-09-11 20:46:29,544 INFO L158 Benchmark]: Referee took 152.08ms. Allocated memory is still 140.5MB. Free memory was 81.1MB in the beginning and 69.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:29,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 14 to loop head at line 14. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 14. Annotation is valid for all loop-free paths from loop head at line 14 to check that procedure precondition always holds at line 14. Annotation is valid for all loop-free paths from loop head at line 14 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to exit of procedure __VERIFIER_assert. Annotation is valid for all loop-free paths from entry of procedure __VERIFIER_assert to check that a call to reach_error is unreachable at line 7. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Witness Parser took 0.30ms. Allocated memory is still 140.5MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CDTParser took 0.13ms. Allocated memory is still 140.5MB. Free memory is still 114.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.64ms. Allocated memory is still 140.5MB. Free memory was 107.7MB in the beginning and 94.6MB in the end (delta: 13.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.47ms. Allocated memory is still 140.5MB. Free memory was 94.6MB in the beginning and 93.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 229.41ms. Allocated memory is still 140.5MB. Free memory was 93.0MB in the beginning and 81.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Referee took 152.08ms. Allocated memory is still 140.5MB. Free memory was 81.1MB in the beginning and 69.9MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:29,571 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 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/loops/while_infinite_loop_2.c ../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_2.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 20:46:31,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-09-11 20:46:31,528 INFO L114 SettingsManager]: Loading settings from /storage/repos/certificate-witnesses-artifact/referee/config/svcomp-Reach-32bit-Referee_Bitvector.epf [2024-09-11 20:46:31,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-09-11 20:46:31,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-09-11 20:46:31,556 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-09-11 20:46:31,557 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-09-11 20:46:31,557 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-09-11 20:46:31,558 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-09-11 20:46:31,559 INFO L153 SettingsManager]: * Use memory slicer=true [2024-09-11 20:46:31,559 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-09-11 20:46:31,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-09-11 20:46:31,560 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-09-11 20:46:31,560 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-09-11 20:46:31,560 INFO L153 SettingsManager]: * Use SBE=true [2024-09-11 20:46:31,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-09-11 20:46:31,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-09-11 20:46:31,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-09-11 20:46:31,561 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-09-11 20:46:31,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-09-11 20:46:31,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-09-11 20:46:31,564 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-09-11 20:46:31,564 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-09-11 20:46:31,565 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-09-11 20:46:31,565 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-09-11 20:46:31,565 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-09-11 20:46:31,565 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-09-11 20:46:31,565 INFO L153 SettingsManager]: * sizeof long double=12 [2024-09-11 20:46:31,566 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-09-11 20:46:31,566 INFO L153 SettingsManager]: * Use constant arrays=true [2024-09-11 20:46:31,566 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-09-11 20:46:31,566 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-09-11 20:46:31,566 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-09-11 20:46:31,567 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-09-11 20:46:31,567 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:31,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-09-11 20:46:31,568 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-09-11 20:46:31,568 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-09-11 20:46:31,568 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-09-11 20:46:31,568 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-09-11 20:46:31,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-09-11 20:46:31,571 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-09-11 20:46:31,571 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-09-11 20:46:31,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-09-11 20:46:31,571 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2024-09-11 20:46:31,571 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None [2024-09-11 20:46:31,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-09-11 20:46:31,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-09-11 20:46:31,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-09-11 20:46:31,857 INFO L270 PluginConnector]: Initializing CDTParser... [2024-09-11 20:46:31,857 INFO L274 PluginConnector]: CDTParser initialized [2024-09-11 20:46:31,858 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../sv-benchmarks/c/loops/while_infinite_loop_2.c [2024-09-11 20:46:33,143 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-09-11 20:46:33,288 INFO L384 CDTParser]: Found 1 translation units. [2024-09-11 20:46:33,289 INFO L180 CDTParser]: Scanning /storage/repos/certificate-witnesses-artifact/sv-benchmarks/c/loops/while_infinite_loop_2.c [2024-09-11 20:46:33,297 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/certificate-witnesses-artifact/referee/data/6bc7dca03/c088d2fc777f4c61a1a38ec3404527c2/FLAGa085ec06f [2024-09-11 20:46:33,313 INFO L435 CDTParser]: Successfully deleted /storage/repos/certificate-witnesses-artifact/referee/data/6bc7dca03/c088d2fc777f4c61a1a38ec3404527c2 [2024-09-11 20:46:33,315 INFO L270 PluginConnector]: Initializing Witness Parser... [2024-09-11 20:46:33,316 INFO L274 PluginConnector]: Witness Parser initialized [2024-09-11 20:46:33,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/certificate-witnesses-artifact/referee/../results/automizer-verification-files/SV-COMP24_unreach-call/while_infinite_loop_2.yml/witness-2.1.yml [2024-09-11 20:46:33,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-09-11 20:46:33,370 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-09-11 20:46:33,372 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:33,372 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-09-11 20:46:33,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-09-11 20:46:33,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:33" (1/2) ... [2024-09-11 20:46:33,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e32b17e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:33, skipping insertion in model container [2024-09-11 20:46:33,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 08:46:33" (1/2) ... [2024-09-11 20:46:33,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@338b17c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 08:46:33, skipping insertion in model container [2024-09-11 20:46:33,382 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 08:46:33" (2/2) ... [2024-09-11 20:46:33,383 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e32b17e and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:33, skipping insertion in model container [2024-09-11 20:46:33,383 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 08:46:33" (2/2) ... [2024-09-11 20:46:33,388 INFO L93 nessWitnessExtractor]: Found the following entries in the witness: [2024-09-11 20:46:33,389 INFO L1541 ArrayList]: Loop invariant at [L14-L17] (x == 0) [2024-09-11 20:46:33,389 INFO L1541 ArrayList]: Function contract at [L5]: requires (\old(cond) != 0), ensures (\old(cond) != 0) [2024-09-11 20:46:33,402 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-09-11 20:46:33,531 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/loops/while_infinite_loop_2.c[333,346] [2024-09-11 20:46:33,544 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:33,558 INFO L200 MainTranslator]: Completed pre-run Start Parsing Global Start Parsing Global [2024-09-11 20:46:33,588 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/loops/while_infinite_loop_2.c[333,346] Start Parsing Local [2024-09-11 20:46:33,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-09-11 20:46:33,607 INFO L204 MainTranslator]: Completed translation [2024-09-11 20:46:33,608 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 11.09 08:46:33 WrapperNode [2024-09-11 20:46:33,608 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-09-11 20:46:33,609 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-09-11 20:46:33,610 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-09-11 20:46:33,610 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-09-11 20:46:33,620 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,620 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,625 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,635 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 20:46:33,636 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,636 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,641 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,644 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,648 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,649 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,651 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-09-11 20:46:33,651 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-09-11 20:46:33,651 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-09-11 20:46:33,651 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-09-11 20:46:33,652 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 08:46:33" (1/1) ... [2024-09-11 20:46:33,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-09-11 20:46:33,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/certificate-witnesses-artifact/referee/z3 [2024-09-11 20:46:33,681 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 20:46:33,685 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 20:46:33,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2024-09-11 20:46:33,729 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-09-11 20:46:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2024-09-11 20:46:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-09-11 20:46:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2024-09-11 20:46:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2024-09-11 20:46:33,730 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2024-09-11 20:46:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2024-09-11 20:46:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-09-11 20:46:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-09-11 20:46:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure main [2024-09-11 20:46:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2024-09-11 20:46:33,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-09-11 20:46:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-09-11 20:46:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-09-11 20:46:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-09-11 20:46:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-09-11 20:46:33,799 INFO L242 CfgBuilder]: Building ICFG [2024-09-11 20:46:33,801 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation [2024-09-11 20:46:33,882 WARN L783 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2024-09-11 20:46:33,917 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-09-11 20:46:33,917 INFO L291 CfgBuilder]: Performing block encoding [2024-09-11 20:46:33,948 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-09-11 20:46:33,950 INFO L318 CfgBuilder]: Removed 1 assume(true) statements. [2024-09-11 20:46:33,951 INFO L201 PluginConnector]: Adding new model witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 08:46:33 BoogieIcfgContainer [2024-09-11 20:46:33,951 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-09-11 20:46:33,951 INFO L112 PluginConnector]: ------------------------Referee---------------------------- [2024-09-11 20:46:33,951 INFO L270 PluginConnector]: Initializing Referee... [2024-09-11 20:46:33,952 INFO L274 PluginConnector]: Referee initialized [2024-09-11 20:46:33,952 INFO L184 PluginConnector]: Executing the observer RefereeObserver from plugin Referee for "CDTParser AST 11.09 08:46:33" (1/4) ... [2024-09-11 20:46:33,953 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11391562 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.referee AST 11.09 08:46:33, skipping insertion in model container [2024-09-11 20:46:33,954 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 08:46:33" (2/4) ... [2024-09-11 20:46:33,954 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11391562 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:33, skipping insertion in model container [2024-09-11 20:46:33,954 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 08:46:33" (3/4) ... [2024-09-11 20:46:33,954 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11391562 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CORRECTNESS_WITNESS 11.09 08:46:33, skipping insertion in model container [2024-09-11 20:46:33,954 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 08:46:33" (4/4) ... [2024-09-11 20:46:33,956 INFO L79 RefereeObserver]: Analyzing ICFG while_infinite_loop_2.c [2024-09-11 20:46:33,959 INFO L112 InvariantChecker]: Found 1 loops. [2024-09-11 20:46:33,960 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to LOOP_INVARIANT_ERROR_LOC mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT. Corresponding subgraph has 4 edges. [2024-09-11 20:46:33,960 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 20:46:33,961 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to ERROR_LOC mainErr2REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 4 edges. [2024-09-11 20:46:33,961 INFO L367 InvariantChecker]: Will check inductivity from LOOP_HEAD L16-1 to ERROR_LOC mainErr1REQUIRES_VIOLATIONPRE_CONDITION. Corresponding subgraph has 3 edges. [2024-09-11 20:46:33,961 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 20:46:33,961 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 20:46:33,961 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 20:46:34,001 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 4 edges [2024-09-11 20:46:34,003 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:34,003 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:34,003 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:34,004 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:34,006 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,020 INFO L101 BaseMinimizeStates]: Removed 6 edges and 3 locations by large block encoding [2024-09-11 20:46:34,021 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,021 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:34,021 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:34,022 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:34,022 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:34,039 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-1 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:34,050 INFO L314 BlockEncoder]: Initial Icfg 3 locations, 2 edges [2024-09-11 20:46:34,050 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:34,051 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:34,051 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:34,051 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:34,051 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,052 INFO L101 BaseMinimizeStates]: Removed 2 edges and 1 locations by large block encoding [2024-09-11 20:46:34,053 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,053 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:34,053 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:34,053 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:34,053 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:34,058 INFO L514 InvariantChecker]: The annotation(s) from entry $Ultimate##0 to loop head mainErr0ASSERT_VIOLATIONWITNESS_INVARIANT is inductive. [2024-09-11 20:46:34,079 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 4 edges [2024-09-11 20:46:34,079 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:34,079 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:34,079 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:34,079 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:34,079 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,084 INFO L101 BaseMinimizeStates]: Removed 6 edges and 2 locations by large block encoding [2024-09-11 20:46:34,085 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,086 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:34,086 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:34,086 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:34,090 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:34,094 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-1 to error location mainErr2REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:34,100 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:34,100 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:34,100 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:34,100 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:34,100 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:34,100 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,102 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:34,102 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,102 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:34,104 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:34,104 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:34,104 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:34,106 INFO L514 InvariantChecker]: The annotation(s) from loop head L16-1 to error location mainErr1REQUIRES_VIOLATIONPRE_CONDITION is inductive. [2024-09-11 20:46:34,115 INFO L314 BlockEncoder]: Initial Icfg 5 locations, 5 edges [2024-09-11 20:46:34,115 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:34,115 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:34,116 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:34,116 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:34,116 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,122 INFO L101 BaseMinimizeStates]: Removed 8 edges and 3 locations by large block encoding [2024-09-11 20:46:34,122 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,122 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:34,122 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:34,123 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:34,124 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:34,125 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr1ENSURES_VIOLATIONPOST_CONDITION is inductive. [2024-09-11 20:46:34,134 INFO L314 BlockEncoder]: Initial Icfg 4 locations, 3 edges [2024-09-11 20:46:34,134 INFO L264 BlockEncoder]: Using Maximize final states [2024-09-11 20:46:34,134 INFO L271 BlockEncoder]: Using Minimize states even if more edges are added than removed.=true [2024-09-11 20:46:34,135 INFO L277 BlockEncoder]: Using Minimize states using LBE with the strategy=MULTI [2024-09-11 20:46:34,135 INFO L172 BlockEncoder]: Using Apply optimizations until nothing changes=true [2024-09-11 20:46:34,135 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,136 INFO L101 BaseMinimizeStates]: Removed 4 edges and 2 locations by large block encoding [2024-09-11 20:46:34,136 INFO L71 MaximizeFinalStates]: 0 new accepting states [2024-09-11 20:46:34,136 INFO L101 BaseMinimizeStates]: Removed 0 edges and 0 locations by large block encoding [2024-09-11 20:46:34,138 INFO L238 BlockEncoder]: Using Create parallel compositions if possible [2024-09-11 20:46:34,138 INFO L68 ParallelComposer]: Creating parallel compositions [2024-09-11 20:46:34,138 INFO L314 BlockEncoder]: Encoded RCFG 2 locations, 1 edges [2024-09-11 20:46:34,139 INFO L514 InvariantChecker]: The annotation(s) from entry __VERIFIER_assertENTRY to error location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION is inductive. [2024-09-11 20:46:34,142 INFO L58 RefereeStarter]: Annotation is a valid proof of correctness [2024-09-11 20:46:34,144 INFO L204 PluginConnector]: Invalid model from Referee for observer de.uni_freiburg.informatik.ultimate.plugins.generator.referee.RefereeObserver@11391562 and model type witness-2.1.yml de.uni_freiburg.informatik.ultimate.plugins.generator.referee CFG 11.09 08:46:34, skipping insertion in model container [2024-09-11 20:46:34,144 INFO L131 PluginConnector]: ------------------------ END Referee---------------------------- [2024-09-11 20:46:34,146 INFO L158 Benchmark]: Toolchain (without parser) took 775.28ms. Allocated memory is still 67.1MB. Free memory was 45.5MB in the beginning and 37.8MB in the end (delta: 7.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-09-11 20:46:34,146 INFO L158 Benchmark]: CDTParser took 0.81ms. Allocated memory is still 50.3MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:34,147 INFO L158 Benchmark]: Witness Parser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-09-11 20:46:34,147 INFO L158 Benchmark]: CACSL2BoogieTranslator took 236.98ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 32.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:34,147 INFO L158 Benchmark]: Boogie Preprocessor took 41.18ms. Allocated memory is still 67.1MB. Free memory was 32.1MB in the beginning and 30.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-09-11 20:46:34,148 INFO L158 Benchmark]: RCFGBuilder took 299.62ms. Allocated memory is still 67.1MB. Free memory was 29.9MB in the beginning and 35.0MB in the end (delta: -5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-09-11 20:46:34,149 INFO L158 Benchmark]: Referee took 193.00ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 37.8MB in the end (delta: -2.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. [2024-09-11 20:46:34,151 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.referee: - AnnotationCheckResult: Annotation is a valid proof of correctness Annotation is a valid proof of correctness Annotation is valid for all loop-free paths from loop head at line 14 to loop head at line 14. Annotation is valid for all loop-free paths from loop head at line 14 to check that procedure precondition always holds at line 16. Annotation is valid for all loop-free paths from entry of procedure main to loop head at line 14. 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 14 to check that procedure precondition always holds at line 14. 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 7. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81ms. Allocated memory is still 50.3MB. Free memory is still 27.3MB. There was no memory consumed. Max. memory is 16.1GB. * Witness Parser took 0.30ms. Allocated memory is still 67.1MB. Free memory is still 47.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 236.98ms. Allocated memory is still 67.1MB. Free memory was 45.3MB in the beginning and 32.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.18ms. Allocated memory is still 67.1MB. Free memory was 32.1MB in the beginning and 30.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 299.62ms. Allocated memory is still 67.1MB. Free memory was 29.9MB in the beginning and 35.0MB in the end (delta: -5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Referee took 193.00ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 37.8MB in the end (delta: -2.8MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-09-11 20:46:34,178 INFO L540 MonitoredProcess]: [MP /storage/repos/certificate-witnesses-artifact/referee/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN