/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml --sifa.abstract.domain EqDomain -i ../sv-benchmarks/c/loops-crafted-1/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-01 11:10:37,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-01 11:10:37,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-01 11:10:37,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-01 11:10:37,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-01 11:10:37,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-01 11:10:37,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-01 11:10:37,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-01 11:10:37,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-01 11:10:37,881 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-01 11:10:37,882 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-01 11:10:37,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-01 11:10:37,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-01 11:10:37,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-01 11:10:37,884 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-01 11:10:37,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-01 11:10:37,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-01 11:10:37,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-01 11:10:37,886 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-01 11:10:37,887 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-01 11:10:37,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-01 11:10:37,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-01 11:10:37,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-01 11:10:37,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-01 11:10:37,892 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-01 11:10:37,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-01 11:10:37,893 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-01 11:10:37,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-01 11:10:37,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-01 11:10:37,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-01 11:10:37,894 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-01 11:10:37,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-01 11:10:37,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-01 11:10:37,895 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-01 11:10:37,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-01 11:10:37,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-01 11:10:37,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-01 11:10:37,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-01 11:10:37,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-01 11:10:37,897 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-01 11:10:37,898 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-01 11:10:37,903 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/taipan/svcomp-Reach-32bit-Taipan_Default.epf [2023-04-01 11:10:37,920 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-01 11:10:37,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-01 11:10:37,920 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-01 11:10:37,920 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-01 11:10:37,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-01 11:10:37,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-01 11:10:37,921 INFO L138 SettingsManager]: * User list type=DISABLED [2023-04-01 11:10:37,921 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-04-01 11:10:37,921 INFO L138 SettingsManager]: * Explicit value domain=true [2023-04-01 11:10:37,921 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-04-01 11:10:37,921 INFO L138 SettingsManager]: * Octagon Domain=false [2023-04-01 11:10:37,921 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2023-04-01 11:10:37,921 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-04-01 11:10:37,922 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-04-01 11:10:37,922 INFO L138 SettingsManager]: * Interval Domain=false [2023-04-01 11:10:37,922 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-04-01 11:10:37,922 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-04-01 11:10:37,922 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2023-04-01 11:10:37,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-01 11:10:37,922 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-01 11:10:37,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-01 11:10:37,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-01 11:10:37,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-01 11:10:37,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:10:37,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-01 11:10:37,924 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2023-04-01 11:10:37,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-01 11:10:37,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-01 11:10:37,924 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-04-01 11:10:37,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-01 11:10:37,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-01 11:10:37,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-04-01 11:10:37,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> EqDomain [2023-04-01 11:10:38,104 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-01 11:10:38,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-01 11:10:38,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-01 11:10:38,133 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-01 11:10:38,133 INFO L275 PluginConnector]: CDTParser initialized [2023-04-01 11:10:38,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops-crafted-1/net_reset.c [2023-04-01 11:10:39,198 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-01 11:10:39,349 INFO L351 CDTParser]: Found 1 translation units. [2023-04-01 11:10:39,349 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/net_reset.c [2023-04-01 11:10:39,353 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4989f1a7c/37d3d660b5444861bf37e315e48a8a19/FLAGafa51329f [2023-04-01 11:10:39,362 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4989f1a7c/37d3d660b5444861bf37e315e48a8a19 [2023-04-01 11:10:39,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-01 11:10:39,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-01 11:10:39,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-01 11:10:39,365 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-01 11:10:39,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-01 11:10:39,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:10:39" (1/1) ... [2023-04-01 11:10:39,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69a9fc58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:39, skipping insertion in model container [2023-04-01 11:10:39,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.04 11:10:39" (1/1) ... [2023-04-01 11:10:39,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-01 11:10:39,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-01 11:10:39,533 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/net_reset.c[4546,4559] [2023-04-01 11:10:39,546 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:10:40,151 INFO L203 MainTranslator]: Completed pre-run [2023-04-01 11:10:40,168 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops-crafted-1/net_reset.c[4546,4559] [2023-04-01 11:10:40,171 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-01 11:10:40,177 WARN L667 CHandler]: The function addrcmp is called, but not defined or handled by StandardFunctionHandler. [2023-04-01 11:10:40,181 INFO L208 MainTranslator]: Completed translation [2023-04-01 11:10:40,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40 WrapperNode [2023-04-01 11:10:40,181 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-01 11:10:40,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-01 11:10:40,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-01 11:10:40,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-01 11:10:40,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (1/1) ... [2023-04-01 11:10:40,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (1/1) ... [2023-04-01 11:10:40,212 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (1/1) ... [2023-04-01 11:10:40,212 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (1/1) ... [2023-04-01 11:10:40,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (1/1) ... [2023-04-01 11:10:40,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (1/1) ... [2023-04-01 11:10:40,228 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (1/1) ... [2023-04-01 11:10:40,229 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (1/1) ... [2023-04-01 11:10:40,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-01 11:10:40,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-01 11:10:40,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-01 11:10:40,231 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-01 11:10:40,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (1/1) ... [2023-04-01 11:10:40,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-01 11:10:40,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-01 11:10:40,286 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-04-01 11:10:40,305 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-04-01 11:10:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-01 11:10:40,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-01 11:10:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-01 11:10:40,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-04-01 11:10:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reset [2023-04-01 11:10:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure net_send_batch [2023-04-01 11:10:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reopen [2023-04-01 11:10:40,316 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-01 11:10:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-01 11:10:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-01 11:10:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-01 11:10:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-01 11:10:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure net_reset [2023-04-01 11:10:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure net_reopen [2023-04-01 11:10:40,316 INFO L130 BoogieDeclarations]: Found specification of procedure net_send_batch [2023-04-01 11:10:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2023-04-01 11:10:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-04-01 11:10:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-01 11:10:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-01 11:10:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-04-01 11:10:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-01 11:10:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-01 11:10:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-01 11:10:40,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-01 11:10:40,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-01 11:10:40,434 INFO L236 CfgBuilder]: Building ICFG [2023-04-01 11:10:40,436 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-01 11:10:40,539 INFO L277 CfgBuilder]: Performing block encoding [2023-04-01 11:10:40,614 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-01 11:10:40,614 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-04-01 11:10:40,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:10:40 BoogieIcfgContainer [2023-04-01 11:10:40,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-01 11:10:40,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-01 11:10:40,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-01 11:10:40,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-01 11:10:40,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.04 11:10:39" (1/3) ... [2023-04-01 11:10:40,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c563125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:10:40, skipping insertion in model container [2023-04-01 11:10:40,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.04 11:10:40" (2/3) ... [2023-04-01 11:10:40,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c563125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.04 11:10:40, skipping insertion in model container [2023-04-01 11:10:40,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.04 11:10:40" (3/3) ... [2023-04-01 11:10:40,621 INFO L112 eAbstractionObserver]: Analyzing ICFG net_reset.c [2023-04-01 11:10:40,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-01 11:10:40,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-01 11:10:40,662 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-01 11:10:40,675 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4fe02296, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-04-01 11:10:40,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-01 11:10:40,678 INFO L276 IsEmpty]: Start isEmpty. Operand has 28 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-04-01 11:10:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-04-01 11:10:40,683 INFO L187 NwaCegarLoop]: Found error trace [2023-04-01 11:10:40,683 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-01 11:10:40,683 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-01 11:10:40,686 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-01 11:10:40,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1397933407, now seen corresponding path program 1 times [2023-04-01 11:10:40,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-04-01 11:10:40,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025645618] [2023-04-01 11:10:40,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-01 11:10:40,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-01 11:10:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-01 11:10:41,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-04-01 11:10:41,025 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-04-01 11:10:41,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025645618] [2023-04-01 11:10:41,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025645618] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-01 11:10:41,026 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-01 11:10:41,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-04-01 11:10:41,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802953385] [2023-04-01 11:10:41,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-01 11:10:41,030 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-04-01 11:10:41,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-04-01 11:10:41,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-04-01 11:10:41,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-04-01 11:10:41,056 INFO L87 Difference]: Start difference. First operand has 28 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 15 states have internal predecessors, (17), 6 states have call successors, (6), 6 states have call predecessors, (6), 6 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 11:10:41,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-01 11:10:41,103 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2023-04-01 11:10:41,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-04-01 11:10:41,105 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2023-04-01 11:10:41,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-01 11:10:41,108 INFO L225 Difference]: With dead ends: 36 [2023-04-01 11:10:41,108 INFO L226 Difference]: Without dead ends: 0 [2023-04-01 11:10:41,110 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-04-01 11:10:41,112 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 26 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-01 11:10:41,113 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 16 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-01 11:10:41,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-04-01 11:10:41,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-04-01 11:10:41,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-04-01 11:10:41,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-04-01 11:10:41,126 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2023-04-01 11:10:41,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-01 11:10:41,127 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-04-01 11:10:41,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-04-01 11:10:41,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-04-01 11:10:41,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-04-01 11:10:41,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-04-01 11:10:41,129 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-01 11:10:41,130 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-04-01 11:10:41,211 INFO L899 garLoopResultBuilder]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2023-04-01 11:10:41,211 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line 3) no Hoare annotation was computed. [2023-04-01 11:10:41,211 INFO L895 garLoopResultBuilder]: At program point L235(line 235) the Hoare annotation is: (or (= ~batch_at~0 0) (not (= ~fstTTL~0 1)) (not (= |old(~batch_at~0)| 0))) [2023-04-01 11:10:41,211 INFO L899 garLoopResultBuilder]: For program point L235-1(line 235) no Hoare annotation was computed. [2023-04-01 11:10:41,212 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 233 237) the Hoare annotation is: (or (= ~batch_at~0 0) (not (= ~fstTTL~0 1)) (not (= |old(~batch_at~0)| 0))) [2023-04-01 11:10:41,212 INFO L899 garLoopResultBuilder]: For program point mainEXIT(lines 233 237) no Hoare annotation was computed. [2023-04-01 11:10:41,212 INFO L899 garLoopResultBuilder]: For program point net_reopenEXIT(lines 216 231) no Hoare annotation was computed. [2023-04-01 11:10:41,212 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 216 231) the Hoare annotation is: (or (= ~batch_at~0 0) (not (= ~fstTTL~0 1)) (not (= |old(~batch_at~0)| 0))) [2023-04-01 11:10:41,212 INFO L899 garLoopResultBuilder]: For program point L230(line 230) no Hoare annotation was computed. [2023-04-01 11:10:41,212 INFO L895 garLoopResultBuilder]: At program point L229(line 229) the Hoare annotation is: (or (= ~batch_at~0 0) (not (= ~fstTTL~0 1)) (not (= |old(~batch_at~0)| 0))) [2023-04-01 11:10:41,212 INFO L895 garLoopResultBuilder]: At program point L229-1(line 229) the Hoare annotation is: (or (= ~batch_at~0 0) (not (= ~fstTTL~0 1)) (not (= |old(~batch_at~0)| 0))) [2023-04-01 11:10:41,212 INFO L899 garLoopResultBuilder]: For program point net_resetEXIT(lines 200 204) no Hoare annotation was computed. [2023-04-01 11:10:41,212 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 200 204) the Hoare annotation is: (or (= ~batch_at~0 0) (not (= ~fstTTL~0 1)) (not (= |old(~batch_at~0)| 0))) [2023-04-01 11:10:41,213 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 11:10:41,213 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2023-04-01 11:10:41,213 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-04-01 11:10:41,213 INFO L895 garLoopResultBuilder]: At program point L-1(line -1) the Hoare annotation is: (and (= ~batch_at~0 0) (= ~fstTTL~0 1)) [2023-04-01 11:10:41,213 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2023-04-01 11:10:41,213 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2023-04-01 11:10:41,213 INFO L899 garLoopResultBuilder]: For program point L194-2(lines 193 198) no Hoare annotation was computed. [2023-04-01 11:10:41,213 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertEXIT(lines 193 198) no Hoare annotation was computed. [2023-04-01 11:10:41,213 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 193 198) the Hoare annotation is: true [2023-04-01 11:10:41,213 INFO L899 garLoopResultBuilder]: For program point L195(line 195) no Hoare annotation was computed. [2023-04-01 11:10:41,213 INFO L899 garLoopResultBuilder]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) no Hoare annotation was computed. [2023-04-01 11:10:41,214 INFO L899 garLoopResultBuilder]: For program point L194(lines 194 196) no Hoare annotation was computed. [2023-04-01 11:10:41,214 INFO L899 garLoopResultBuilder]: For program point net_send_batchEXIT(lines 205 215) no Hoare annotation was computed. [2023-04-01 11:10:41,214 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (or (not (= ~fstTTL~0 1)) (not (= ~batch_at~0 0))) [2023-04-01 11:10:41,214 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2023-04-01 11:10:41,214 INFO L895 garLoopResultBuilder]: At program point L208-3(lines 208 213) the Hoare annotation is: (or (not (= ~fstTTL~0 1)) (= net_send_batch_~i~0 0) (not (= ~batch_at~0 0))) [2023-04-01 11:10:41,214 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 205 215) the Hoare annotation is: true [2023-04-01 11:10:41,216 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-04-01 11:10:41,217 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-04-01 11:10:41,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.04 11:10:41 BoogieIcfgContainer [2023-04-01 11:10:41,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-04-01 11:10:41,227 INFO L158 Benchmark]: Toolchain (without parser) took 1862.27ms. Allocated memory was 406.8MB in the beginning and 813.7MB in the end (delta: 406.8MB). Free memory was 367.3MB in the beginning and 654.1MB in the end (delta: -286.8MB). Peak memory consumption was 122.6MB. Max. memory is 8.0GB. [2023-04-01 11:10:41,227 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 228.6MB. Free memory was 174.8MB in the beginning and 174.6MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. [2023-04-01 11:10:41,227 INFO L158 Benchmark]: CACSL2BoogieTranslator took 816.47ms. Allocated memory was 406.8MB in the beginning and 813.7MB in the end (delta: 406.8MB). Free memory was 367.3MB in the beginning and 665.6MB in the end (delta: -298.3MB). Peak memory consumption was 172.5MB. Max. memory is 8.0GB. [2023-04-01 11:10:41,228 INFO L158 Benchmark]: Boogie Preprocessor took 48.44ms. Allocated memory is still 813.7MB. Free memory was 665.6MB in the beginning and 663.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-04-01 11:10:41,228 INFO L158 Benchmark]: RCFGBuilder took 385.10ms. Allocated memory is still 813.7MB. Free memory was 663.5MB in the beginning and 703.2MB in the end (delta: -39.7MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. [2023-04-01 11:10:41,228 INFO L158 Benchmark]: TraceAbstraction took 608.99ms. Allocated memory is still 813.7MB. Free memory was 702.4MB in the beginning and 654.1MB in the end (delta: 48.3MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-04-01 11:10:41,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 228.6MB. Free memory was 174.8MB in the beginning and 174.6MB in the end (delta: 164.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 816.47ms. Allocated memory was 406.8MB in the beginning and 813.7MB in the end (delta: 406.8MB). Free memory was 367.3MB in the beginning and 665.6MB in the end (delta: -298.3MB). Peak memory consumption was 172.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.44ms. Allocated memory is still 813.7MB. Free memory was 665.6MB in the beginning and 663.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 385.10ms. Allocated memory is still 813.7MB. Free memory was 663.5MB in the beginning and 703.2MB in the end (delta: -39.7MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. * TraceAbstraction took 608.99ms. Allocated memory is still 813.7MB. Free memory was 702.4MB in the beginning and 654.1MB in the end (delta: 48.3MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 195]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 27 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 21 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 12 mSDtfsCounter, 21 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28occurred in iteration=0, InterpolantAutomatonStates: 4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 13 PreInvPairs, 14 NumberOfFragments, 104 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 46 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 54 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 216]: Loop Invariant Derived loop invariant: (batch_at == 0 || !(fstTTL == 1)) || !(\old(batch_at) == 0) - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: (!(fstTTL == 1) || i == 0) || !(batch_at == 0) RESULT: Ultimate proved your program to be correct! [2023-04-01 11:10:41,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...