/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:30:29,167 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:30:29,170 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:30:29,223 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 00:30:29,224 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 00:30:29,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 00:30:29,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 00:30:29,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 00:30:29,244 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 00:30:29,250 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 00:30:29,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 00:30:29,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 00:30:29,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:30:29,258 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:30:29,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:30:29,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:30:29,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:30:29,287 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:30:29,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:30:29,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:30:29,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:30:29,307 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:30:29,309 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:30:29,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:30:29,326 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 00:30:29,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 00:30:29,328 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 00:30:29,330 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 00:30:29,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 00:30:29,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 00:30:29,333 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 00:30:29,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 00:30:29,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 00:30:29,340 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 00:30:29,342 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 00:30:29,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 00:30:29,343 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 00:30:29,343 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 00:30:29,343 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 00:30:29,344 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 00:30:29,345 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 00:30:29,346 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:30:29,372 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:30:29,372 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:30:29,378 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:30:29,378 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:30:29,378 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:30:29,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:30:29,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:30:29,379 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:30:29,379 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:30:29,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:30:29,381 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:30:29,381 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:30:29,382 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:30:29,382 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:30:29,382 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:30:29,383 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:30:29,383 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:30:29,383 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:30:29,383 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:30:29,384 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:30:29,384 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:30:29,384 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:30:29,384 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:30:29,819 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:30:29,871 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:30:29,875 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:30:29,876 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:30:29,877 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:30:29,878 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c [2021-02-24 00:30:29,971 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4388209b0/9015ef66f51347749d38838e9a43bb63/FLAG2a58810ae [2021-02-24 00:30:30,697 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:30:30,698 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c [2021-02-24 00:30:30,710 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4388209b0/9015ef66f51347749d38838e9a43bb63/FLAG2a58810ae [2021-02-24 00:30:31,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4388209b0/9015ef66f51347749d38838e9a43bb63 [2021-02-24 00:30:31,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:30:31,088 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:30:31,094 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:30:31,094 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:30:31,099 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:30:31,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:30:31" (1/1) ... [2021-02-24 00:30:31,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@609ad88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:31, skipping insertion in model container [2021-02-24 00:30:31,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:30:31" (1/1) ... [2021-02-24 00:30:31,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:30:31,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:30:31,445 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c[4546,4559] [2021-02-24 00:30:31,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:30:32,617 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:30:32,711 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/loops-crafted-1/net_reset.c[4546,4559] [2021-02-24 00:30:32,725 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:30:32,775 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:30:32,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32 WrapperNode [2021-02-24 00:30:32,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:30:32,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:30:32,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:30:32,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:30:32,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32" (1/1) ... [2021-02-24 00:30:32,810 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32" (1/1) ... [2021-02-24 00:30:32,834 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32" (1/1) ... [2021-02-24 00:30:32,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32" (1/1) ... [2021-02-24 00:30:32,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32" (1/1) ... [2021-02-24 00:30:32,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32" (1/1) ... [2021-02-24 00:30:32,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32" (1/1) ... [2021-02-24 00:30:32,866 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:30:32,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:30:32,868 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:30:32,868 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:30:32,869 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:30:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:30:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:30:33,036 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2021-02-24 00:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reset [2021-02-24 00:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure net_send_batch [2021-02-24 00:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reopen [2021-02-24 00:30:33,037 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:30:33,038 INFO L130 BoogieDeclarations]: Found specification of procedure net_reset [2021-02-24 00:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure net_reopen [2021-02-24 00:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure net_send_batch [2021-02-24 00:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2021-02-24 00:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2021-02-24 00:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:30:33,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:30:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:30:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:30:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:30:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:30:33,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:30:33,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:30:33,804 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 00:30:33,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:30:33 BoogieIcfgContainer [2021-02-24 00:30:33,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:30:33,809 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:30:33,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:30:33,812 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:30:33,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:30:31" (1/3) ... [2021-02-24 00:30:33,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44068196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:30:33, skipping insertion in model container [2021-02-24 00:30:33,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:30:32" (2/3) ... [2021-02-24 00:30:33,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44068196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:30:33, skipping insertion in model container [2021-02-24 00:30:33,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:30:33" (3/3) ... [2021-02-24 00:30:33,817 INFO L111 eAbstractionObserver]: Analyzing ICFG net_reset.c [2021-02-24 00:30:33,825 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:30:33,832 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:30:33,853 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:30:33,879 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:30:33,880 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:30:33,880 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:30:33,880 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:30:33,880 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:30:33,880 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:30:33,880 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:30:33,881 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:30:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states. [2021-02-24 00:30:33,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-02-24 00:30:33,909 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:30:33,910 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:30:33,910 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:30:33,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:30:33,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1258947725, now seen corresponding path program 1 times [2021-02-24 00:30:33,927 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:30:33,928 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1868228684] [2021-02-24 00:30:33,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:30:34,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:30:34,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:30:34,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:30:34,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:30:34,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 00:30:34,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:30:34,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:30:34,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:30:34,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:30:34,576 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-02-24 00:30:34,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:30:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:30:34,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:30:34,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:30:34,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2021-02-24 00:30:34,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:30:34,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:30:34,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 00:30:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:30:34,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1868228684] [2021-02-24 00:30:34,765 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:30:34,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-24 00:30:34,766 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [196758337] [2021-02-24 00:30:34,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-24 00:30:34,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:30:34,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-24 00:30:34,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-24 00:30:34,795 INFO L87 Difference]: Start difference. First operand 86 states. Second operand 6 states. [2021-02-24 00:30:35,224 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-02-24 00:30:35,365 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-02-24 00:30:35,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:30:35,467 INFO L93 Difference]: Finished difference Result 101 states and 108 transitions. [2021-02-24 00:30:35,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 00:30:35,469 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2021-02-24 00:30:35,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:30:35,477 INFO L225 Difference]: With dead ends: 101 [2021-02-24 00:30:35,477 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 00:30:35,481 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-02-24 00:30:35,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 00:30:35,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 00:30:35,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 00:30:35,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 00:30:35,511 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2021-02-24 00:30:35,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:30:35,512 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 00:30:35,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-24 00:30:35,512 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 00:30:35,512 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 00:30:35,513 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:30:35,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 00:30:35,891 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 13 [2021-02-24 00:30:37,006 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-24 00:30:37,007 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-24 00:30:37,007 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-24 00:30:37,007 INFO L192 CegarLoopUtils]: At program point L190(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,007 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2021-02-24 00:30:37,007 INFO L192 CegarLoopUtils]: At program point L190-1(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,008 INFO L192 CegarLoopUtils]: At program point L188(line 188) the Hoare annotation is: true [2021-02-24 00:30:37,008 INFO L192 CegarLoopUtils]: At program point L190-2(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,008 INFO L192 CegarLoopUtils]: At program point L188-1(line 188) the Hoare annotation is: true [2021-02-24 00:30:37,008 INFO L192 CegarLoopUtils]: At program point L190-3(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,008 INFO L185 CegarLoopUtils]: At program point L186(line 186) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,008 INFO L192 CegarLoopUtils]: At program point L190-4(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,009 INFO L192 CegarLoopUtils]: At program point L190-5(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,009 INFO L192 CegarLoopUtils]: At program point L190-6(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,009 INFO L192 CegarLoopUtils]: At program point L190-7(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,009 INFO L192 CegarLoopUtils]: At program point L190-8(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,009 INFO L192 CegarLoopUtils]: At program point L190-9(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,009 INFO L192 CegarLoopUtils]: At program point L190-10(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,009 INFO L192 CegarLoopUtils]: At program point L190-11(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,010 INFO L192 CegarLoopUtils]: At program point L190-12(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,010 INFO L192 CegarLoopUtils]: At program point L190-13(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,010 INFO L192 CegarLoopUtils]: At program point L190-14(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,010 INFO L192 CegarLoopUtils]: At program point L190-15(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,010 INFO L192 CegarLoopUtils]: At program point L190-16(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,010 INFO L192 CegarLoopUtils]: At program point L190-17(line 190) the Hoare annotation is: true [2021-02-24 00:30:37,011 INFO L185 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,011 INFO L185 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,011 INFO L185 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,011 INFO L185 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,011 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,011 INFO L185 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,012 INFO L185 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,012 INFO L185 CegarLoopUtils]: At program point L3-5(line 3) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,012 INFO L185 CegarLoopUtils]: At program point L210(line 210) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,012 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~batch_at~0 |old(~batch_at~0)|) (= |#memory_int| |old(#memory_int)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~__tmpTR__int_1~0 |old(~__tmpTR__int_1~0)|) (= |~#unspec_addr~0.offset| |old(~#unspec_addr~0.offset)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#host~0.offset| |old(~#host~0.offset)|)) [2021-02-24 00:30:37,013 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-24 00:30:37,013 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,013 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 00:30:37,013 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-24 00:30:37,013 INFO L185 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,013 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 233 237) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,014 INFO L185 CegarLoopUtils]: At program point mainFINAL(lines 233 237) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,014 INFO L185 CegarLoopUtils]: At program point L235(line 235) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,014 INFO L185 CegarLoopUtils]: At program point L234(line 234) the Hoare annotation is: (= ~batch_at~0 |old(~batch_at~0)|) [2021-02-24 00:30:37,014 INFO L185 CegarLoopUtils]: At program point L234-1(line 234) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,014 INFO L185 CegarLoopUtils]: At program point mainEXIT(lines 233 237) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,015 INFO L185 CegarLoopUtils]: At program point L234-2(line 234) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,015 INFO L192 CegarLoopUtils]: At program point L194-2(lines 193 198) the Hoare annotation is: true [2021-02-24 00:30:37,015 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 193 198) the Hoare annotation is: true [2021-02-24 00:30:37,015 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertEXIT(lines 193 198) the Hoare annotation is: true [2021-02-24 00:30:37,015 INFO L192 CegarLoopUtils]: At program point L195(line 195) the Hoare annotation is: true [2021-02-24 00:30:37,015 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 195) the Hoare annotation is: true [2021-02-24 00:30:37,016 INFO L192 CegarLoopUtils]: At program point L194(lines 194 196) the Hoare annotation is: true [2021-02-24 00:30:37,016 INFO L192 CegarLoopUtils]: At program point L195-1(line 195) the Hoare annotation is: true [2021-02-24 00:30:37,016 INFO L185 CegarLoopUtils]: At program point net_reopenEXIT(lines 216 231) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,016 INFO L185 CegarLoopUtils]: At program point L223(line 223) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,016 INFO L185 CegarLoopUtils]: At program point L223-1(line 223) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,016 INFO L185 CegarLoopUtils]: At program point L230(line 230) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,017 INFO L185 CegarLoopUtils]: At program point L230-1(line 230) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,017 INFO L185 CegarLoopUtils]: At program point L226(line 226) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,017 INFO L185 CegarLoopUtils]: At program point L226-1(line 226) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,017 INFO L185 CegarLoopUtils]: At program point net_reopenENTRY(lines 216 231) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,017 INFO L185 CegarLoopUtils]: At program point L220(line 220) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,017 INFO L185 CegarLoopUtils]: At program point net_reopenFINAL(lines 216 231) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,018 INFO L185 CegarLoopUtils]: At program point L218(line 218) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,018 INFO L185 CegarLoopUtils]: At program point L218-1(line 218) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,018 INFO L185 CegarLoopUtils]: At program point L218-2(lines 218 228) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,018 INFO L185 CegarLoopUtils]: At program point L218-3(lines 218 228) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,018 INFO L185 CegarLoopUtils]: At program point L229(line 229) the Hoare annotation is: (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) [2021-02-24 00:30:37,018 INFO L185 CegarLoopUtils]: At program point L229-1(line 229) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,019 INFO L185 CegarLoopUtils]: At program point net_send_batchENTRY(lines 205 215) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) [2021-02-24 00:30:37,019 INFO L185 CegarLoopUtils]: At program point net_send_batchFINAL(lines 205 215) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2021-02-24 00:30:37,019 INFO L185 CegarLoopUtils]: At program point net_send_batchEXIT(lines 205 215) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2021-02-24 00:30:37,019 INFO L185 CegarLoopUtils]: At program point L210(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,019 INFO L185 CegarLoopUtils]: At program point L210-1(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,019 INFO L185 CegarLoopUtils]: At program point L208(line 208) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) [2021-02-24 00:30:37,020 INFO L185 CegarLoopUtils]: At program point L210-2(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,020 INFO L185 CegarLoopUtils]: At program point L210-3(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,020 INFO L185 CegarLoopUtils]: At program point L210-4(lines 210 211) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,020 INFO L185 CegarLoopUtils]: At program point L210-5(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,020 INFO L185 CegarLoopUtils]: At program point L208-3(lines 208 213) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,020 INFO L185 CegarLoopUtils]: At program point L208-4(line 208) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,020 INFO L185 CegarLoopUtils]: At program point L210-7(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,021 INFO L185 CegarLoopUtils]: At program point L208-5(line 208) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2021-02-24 00:30:37,021 INFO L185 CegarLoopUtils]: At program point L208-6(lines 208 213) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2021-02-24 00:30:37,021 INFO L185 CegarLoopUtils]: At program point L208-7(lines 208 213) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (and (<= ~batch_at~0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))) [2021-02-24 00:30:37,021 INFO L185 CegarLoopUtils]: At program point net_resetENTRY(lines 200 204) the Hoare annotation is: (= |old(~batch_at~0)| ~batch_at~0) [2021-02-24 00:30:37,021 INFO L185 CegarLoopUtils]: At program point net_resetEXIT(lines 200 204) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,021 INFO L185 CegarLoopUtils]: At program point net_resetFINAL(lines 200 204) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2021-02-24 00:30:37,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 12:30:37 BoogieIcfgContainer [2021-02-24 00:30:37,043 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 00:30:37,045 INFO L168 Benchmark]: Toolchain (without parser) took 5970.51 ms. Allocated memory was 151.0 MB in the beginning and 402.7 MB in the end (delta: 251.7 MB). Free memory was 106.8 MB in the beginning and 277.4 MB in the end (delta: -170.6 MB). Peak memory consumption was 145.0 MB. Max. memory is 8.0 GB. [2021-02-24 00:30:37,046 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 00:30:37,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1682.09 ms. Allocated memory was 151.0 MB in the beginning and 237.0 MB in the end (delta: 86.0 MB). Free memory was 105.4 MB in the beginning and 140.5 MB in the end (delta: -35.1 MB). Peak memory consumption was 140.2 MB. Max. memory is 8.0 GB. [2021-02-24 00:30:37,048 INFO L168 Benchmark]: Boogie Preprocessor took 89.54 ms. Allocated memory is still 237.0 MB. Free memory was 140.5 MB in the beginning and 138.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-24 00:30:37,049 INFO L168 Benchmark]: RCFGBuilder took 939.57 ms. Allocated memory is still 237.0 MB. Free memory was 138.9 MB in the beginning and 113.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-02-24 00:30:37,050 INFO L168 Benchmark]: TraceAbstraction took 3234.51 ms. Allocated memory was 237.0 MB in the beginning and 402.7 MB in the end (delta: 165.7 MB). Free memory was 113.8 MB in the beginning and 277.4 MB in the end (delta: -163.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 8.0 GB. [2021-02-24 00:30:37,054 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1682.09 ms. Allocated memory was 151.0 MB in the beginning and 237.0 MB in the end (delta: 86.0 MB). Free memory was 105.4 MB in the beginning and 140.5 MB in the end (delta: -35.1 MB). Peak memory consumption was 140.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 89.54 ms. Allocated memory is still 237.0 MB. Free memory was 140.5 MB in the beginning and 138.9 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 939.57 ms. Allocated memory is still 237.0 MB. Free memory was 138.9 MB in the beginning and 113.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3234.51 ms. Allocated memory was 237.0 MB in the beginning and 402.7 MB in the end (delta: 165.7 MB). Free memory was 113.8 MB in the beginning and 277.4 MB in the end (delta: -163.6 MB). Peak memory consumption was 66.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 195]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 208]: Loop Invariant Derived loop invariant: !(batch_at + 1 <= fstTTL) || (batch_at <= i && \old(__tmpTR__int_1) == __tmpTR__int_1) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: \old(__tmpTR__int_1) == __tmpTR__int_1 && \old(batch_at) == batch_at - ProcedureContractResult [Line: 233]: Procedure Contract for main Derived contract for procedure main: batch_at + 1 <= fstTTL - ProcedureContractResult [Line: 193]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert: 1 - ProcedureContractResult [Line: 205]: Procedure Contract for net_send_batch Derived contract for procedure net_send_batch: !(batch_at + 1 <= fstTTL) || (batch_at <= i && \old(__tmpTR__int_1) == __tmpTR__int_1) - ProcedureContractResult [Line: 216]: Procedure Contract for net_reopen Derived contract for procedure net_reopen: batch_at + 1 <= fstTTL - ProcedureContractResult [Line: 200]: Procedure Contract for net_reset Derived contract for procedure net_reset: batch_at + 1 <= fstTTL - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 89 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 64 SDtfs, 45 SDslu, 111 SDs, 0 SdLazy, 99 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=0, 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, 86 LocationsWithAnnotation, 86 PreInvPairs, 101 NumberOfFragments, 424 HoareAnnotationTreeSize, 86 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 86 FomulaSimplificationsInter, 1074 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 55 NumberOfCodeBlocks, 55 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 7452 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...