/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 20:31:35,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 20:31:35,707 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 20:31:35,767 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 20:31:35,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 20:31:35,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 20:31:35,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 20:31:35,782 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 20:31:35,785 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 20:31:35,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 20:31:35,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 20:31:35,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 20:31:35,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 20:31:35,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 20:31:35,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 20:31:35,803 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 20:31:35,805 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 20:31:35,809 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 20:31:35,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 20:31:35,824 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 20:31:35,827 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 20:31:35,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 20:31:35,830 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 20:31:35,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 20:31:35,851 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 20:31:35,851 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 20:31:35,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 20:31:35,854 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 20:31:35,855 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 20:31:35,856 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 20:31:35,856 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 20:31:35,858 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 20:31:35,860 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 20:31:35,861 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 20:31:35,862 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 20:31:35,862 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 20:31:35,863 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 20:31:35,863 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 20:31:35,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 20:31:35,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 20:31:35,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 20:31:35,873 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 20:31:35,928 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 20:31:35,929 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 20:31:35,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 20:31:35,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 20:31:35,934 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 20:31:35,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 20:31:35,935 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 20:31:35,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 20:31:35,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 20:31:35,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 20:31:35,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 20:31:35,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 20:31:35,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 20:31:35,937 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 20:31:35,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 20:31:35,938 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 20:31:35,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 20:31:35,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 20:31:35,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 20:31:35,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 20:31:35,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 20:31:35,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 20:31:35,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 20:31:35,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 20:31:35,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 20:31:35,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 20:31:35,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 20:31:35,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 20:31:35,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 20:31:35,941 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 20:31:36,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 20:31:36,409 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 20:31:36,412 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 20:31:36,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 20:31:36,414 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 20:31:36,415 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c [2020-10-27 20:31:36,503 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26c8d65cd/f6edd66e11664771872b1e9267bc22a0/FLAG5bfe5845c [2020-10-27 20:31:37,148 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 20:31:37,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops-crafted-1/net_reset.c [2020-10-27 20:31:37,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26c8d65cd/f6edd66e11664771872b1e9267bc22a0/FLAG5bfe5845c [2020-10-27 20:31:37,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/26c8d65cd/f6edd66e11664771872b1e9267bc22a0 [2020-10-27 20:31:37,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 20:31:37,499 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 20:31:37,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 20:31:37,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 20:31:37,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 20:31:37,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:31:37" (1/1) ... [2020-10-27 20:31:37,515 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f9fab5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:37, skipping insertion in model container [2020-10-27 20:31:37,516 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 08:31:37" (1/1) ... [2020-10-27 20:31:37,525 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 20:31:37,550 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 20:31:37,756 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:31:39,000 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 20:31:39,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 20:31:39,097 INFO L208 MainTranslator]: Completed translation [2020-10-27 20:31:39,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39 WrapperNode [2020-10-27 20:31:39,100 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 20:31:39,101 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 20:31:39,101 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 20:31:39,101 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 20:31:39,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39" (1/1) ... [2020-10-27 20:31:39,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39" (1/1) ... [2020-10-27 20:31:39,145 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39" (1/1) ... [2020-10-27 20:31:39,145 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39" (1/1) ... [2020-10-27 20:31:39,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39" (1/1) ... [2020-10-27 20:31:39,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39" (1/1) ... [2020-10-27 20:31:39,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39" (1/1) ... [2020-10-27 20:31:39,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 20:31:39,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 20:31:39,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 20:31:39,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 20:31:39,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-27 20:31:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 20:31:39,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 20:31:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 20:31:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-27 20:31:39,287 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reset [2020-10-27 20:31:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure net_send_batch [2020-10-27 20:31:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reopen [2020-10-27 20:31:39,288 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 20:31:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 20:31:39,289 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 20:31:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 20:31:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 20:31:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure net_reset [2020-10-27 20:31:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure net_reopen [2020-10-27 20:31:39,290 INFO L130 BoogieDeclarations]: Found specification of procedure net_send_batch [2020-10-27 20:31:39,291 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp [2020-10-27 20:31:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-27 20:31:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 20:31:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 20:31:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 20:31:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 20:31:39,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 20:31:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 20:31:39,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 20:31:39,794 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 20:31:39,795 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 20:31:39,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:31:39 BoogieIcfgContainer [2020-10-27 20:31:39,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 20:31:39,799 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 20:31:39,799 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 20:31:39,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 20:31:39,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 08:31:37" (1/3) ... [2020-10-27 20:31:39,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392dc597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:31:39, skipping insertion in model container [2020-10-27 20:31:39,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 08:31:39" (2/3) ... [2020-10-27 20:31:39,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392dc597 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 08:31:39, skipping insertion in model container [2020-10-27 20:31:39,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 08:31:39" (3/3) ... [2020-10-27 20:31:39,807 INFO L111 eAbstractionObserver]: Analyzing ICFG net_reset.c [2020-10-27 20:31:39,820 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 20:31:39,827 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 20:31:39,842 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 20:31:39,871 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 20:31:39,871 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 20:31:39,872 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 20:31:39,872 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 20:31:39,872 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 20:31:39,872 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 20:31:39,872 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 20:31:39,872 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 20:31:39,892 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-10-27 20:31:39,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-27 20:31:39,899 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 20:31:39,900 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] [2020-10-27 20:31:39,900 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 20:31:39,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 20:31:39,907 INFO L82 PathProgramCache]: Analyzing trace with hash -923595688, now seen corresponding path program 1 times [2020-10-27 20:31:39,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 20:31:39,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [401213459] [2020-10-27 20:31:39,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 20:31:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:31:40,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:31:40,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:31:41,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:31:41,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-27 20:31:41,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 20:31:41,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-27 20:31:41,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:31:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 20:31:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 20:31:41,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 20:31:41,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 20:31:41,354 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-27 20:31:41,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 20:31:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:31:41,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:31:41,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:31:41,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:31:41,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:31:41,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-27 20:31:41,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:31:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 20:31:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:31:41,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 20:31:41,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 20:31:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-27 20:31:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 20:31:41,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 20:31:41,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 20:31:41,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 20:31:41,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 20:31:41,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 20:31:41,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 20:31:41,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 20:31:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 20:31:41,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 20:31:41,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 20:31:41,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 20:31:41,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [401213459] [2020-10-27 20:31:41,450 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 20:31:41,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-27 20:31:41,454 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094759570] [2020-10-27 20:31:41,465 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 20:31:41,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 20:31:41,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 20:31:41,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-27 20:31:41,488 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 6 states. [2020-10-27 20:31:41,728 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2020-10-27 20:31:41,991 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-27 20:31:42,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 20:31:42,070 INFO L93 Difference]: Finished difference Result 56 states and 63 transitions. [2020-10-27 20:31:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 20:31:42,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-10-27 20:31:42,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 20:31:42,080 INFO L225 Difference]: With dead ends: 56 [2020-10-27 20:31:42,080 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 20:31:42,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-27 20:31:42,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 20:31:42,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 20:31:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 20:31:42,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 20:31:42,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2020-10-27 20:31:42,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 20:31:42,112 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 20:31:42,112 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 20:31:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 20:31:42,113 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 20:31:42,113 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 20:31:42,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 20:31:42,377 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-27 20:31:42,495 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 13 [2020-10-27 20:31:42,599 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 10 [2020-10-27 20:31:42,716 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 13 [2020-10-27 20:31:42,826 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 13 [2020-10-27 20:31:42,946 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 19 [2020-10-27 20:31:43,140 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 13 [2020-10-27 20:31:43,153 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 20:31:43,154 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 20:31:43,154 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 20:31:43,154 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 20:31:43,154 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:31:43,155 INFO L270 CegarLoopResult]: 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)|)) [2020-10-27 20:31:43,155 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:31:43,155 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 20:31:43,156 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= (+ ~batch_at~0 1) ~fstTTL~0) [2020-10-27 20:31:43,156 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 20:31:43,156 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 20:31:43,156 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 233 237) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0))) [2020-10-27 20:31:43,156 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 233 237) no Hoare annotation was computed. [2020-10-27 20:31:43,157 INFO L270 CegarLoopResult]: At program point L235(line 235) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (= |old(~batch_at~0)| ~batch_at~0)) [2020-10-27 20:31:43,157 INFO L274 CegarLoopResult]: For program point L235-1(line 235) no Hoare annotation was computed. [2020-10-27 20:31:43,157 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 233 237) no Hoare annotation was computed. [2020-10-27 20:31:43,157 INFO L274 CegarLoopResult]: For program point L194-2(lines 193 198) no Hoare annotation was computed. [2020-10-27 20:31:43,157 INFO L277 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 193 198) the Hoare annotation is: true [2020-10-27 20:31:43,158 INFO L274 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 193 198) no Hoare annotation was computed. [2020-10-27 20:31:43,158 INFO L277 CegarLoopResult]: At program point L195(line 195) the Hoare annotation is: true [2020-10-27 20:31:43,158 INFO L274 CegarLoopResult]: For program point L194(lines 194 196) no Hoare annotation was computed. [2020-10-27 20:31:43,158 INFO L274 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-10-27 20:31:43,158 INFO L274 CegarLoopResult]: For program point net_reopenEXIT(lines 216 231) no Hoare annotation was computed. [2020-10-27 20:31:43,158 INFO L274 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-10-27 20:31:43,159 INFO L270 CegarLoopResult]: At program point net_reopenENTRY(lines 216 231) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0))) [2020-10-27 20:31:43,159 INFO L274 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-10-27 20:31:43,159 INFO L274 CegarLoopResult]: For program point net_reopenFINAL(lines 216 231) no Hoare annotation was computed. [2020-10-27 20:31:43,159 INFO L270 CegarLoopResult]: At program point L218(lines 218 228) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0))) [2020-10-27 20:31:43,159 INFO L274 CegarLoopResult]: For program point L230(line 230) no Hoare annotation was computed. [2020-10-27 20:31:43,160 INFO L270 CegarLoopResult]: At program point L229(line 229) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0))) [2020-10-27 20:31:43,160 INFO L270 CegarLoopResult]: At program point L229-1(line 229) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2020-10-27 20:31:43,160 INFO L274 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-10-27 20:31:43,160 INFO L270 CegarLoopResult]: 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)) [2020-10-27 20:31:43,161 INFO L274 CegarLoopResult]: For program point net_send_batchEXIT(lines 205 215) no Hoare annotation was computed. [2020-10-27 20:31:43,161 INFO L274 CegarLoopResult]: For program point net_send_batchFINAL(lines 205 215) no Hoare annotation was computed. [2020-10-27 20:31:43,161 INFO L270 CegarLoopResult]: At program point L210(line 210) the Hoare annotation is: (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) [2020-10-27 20:31:43,161 INFO L274 CegarLoopResult]: For program point L210-1(line 210) no Hoare annotation was computed. [2020-10-27 20:31:43,161 INFO L274 CegarLoopResult]: For program point L210-2(lines 210 211) no Hoare annotation was computed. [2020-10-27 20:31:43,161 INFO L274 CegarLoopResult]: For program point L208-2(lines 208 213) no Hoare annotation was computed. [2020-10-27 20:31:43,162 INFO L270 CegarLoopResult]: At program point L208-3(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))) [2020-10-27 20:31:43,162 INFO L274 CegarLoopResult]: For program point L208-4(lines 208 213) no Hoare annotation was computed. [2020-10-27 20:31:43,162 INFO L270 CegarLoopResult]: At program point net_resetENTRY(lines 200 204) the Hoare annotation is: (or (not (<= (+ |old(~batch_at~0)| 1) ~fstTTL~0)) (= |old(~batch_at~0)| ~batch_at~0)) [2020-10-27 20:31:43,162 INFO L274 CegarLoopResult]: For program point net_resetEXIT(lines 200 204) no Hoare annotation was computed. [2020-10-27 20:31:43,162 INFO L274 CegarLoopResult]: For program point net_resetFINAL(lines 200 204) no Hoare annotation was computed. [2020-10-27 20:31:43,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 08:31:43 BoogieIcfgContainer [2020-10-27 20:31:43,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 20:31:43,187 INFO L168 Benchmark]: Toolchain (without parser) took 5692.93 ms. Allocated memory was 173.0 MB in the beginning and 469.8 MB in the end (delta: 296.7 MB). Free memory was 148.1 MB in the beginning and 224.7 MB in the end (delta: -76.6 MB). Peak memory consumption was 220.3 MB. Max. memory is 8.0 GB. [2020-10-27 20:31:43,188 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 99.4 MB in the beginning and 99.2 MB in the end (delta: 131.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 20:31:43,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1597.88 ms. Allocated memory was 173.0 MB in the beginning and 234.9 MB in the end (delta: 61.9 MB). Free memory was 147.5 MB in the beginning and 136.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 126.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:31:43,190 INFO L168 Benchmark]: Boogie Preprocessor took 93.78 ms. Allocated memory is still 234.9 MB. Free memory was 136.8 MB in the beginning and 134.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 20:31:43,191 INFO L168 Benchmark]: RCFGBuilder took 600.47 ms. Allocated memory is still 234.9 MB. Free memory was 134.4 MB in the beginning and 112.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 20:31:43,192 INFO L168 Benchmark]: TraceAbstraction took 3385.54 ms. Allocated memory was 234.9 MB in the beginning and 469.8 MB in the end (delta: 234.9 MB). Free memory was 112.3 MB in the beginning and 224.7 MB in the end (delta: -112.4 MB). Peak memory consumption was 122.5 MB. Max. memory is 8.0 GB. [2020-10-27 20:31:43,196 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 125.8 MB. Free memory was 99.4 MB in the beginning and 99.2 MB in the end (delta: 131.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 1597.88 ms. Allocated memory was 173.0 MB in the beginning and 234.9 MB in the end (delta: 61.9 MB). Free memory was 147.5 MB in the beginning and 136.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 126.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.78 ms. Allocated memory is still 234.9 MB. Free memory was 136.8 MB in the beginning and 134.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 600.47 ms. Allocated memory is still 234.9 MB. Free memory was 134.4 MB in the beginning and 112.9 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3385.54 ms. Allocated memory was 234.9 MB in the beginning and 469.8 MB in the end (delta: 234.9 MB). Free memory was 112.3 MB in the beginning and 224.7 MB in the end (delta: -112.4 MB). Peak memory consumption was 122.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() 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(batch_at) + 1 <= fstTTL) || (\old(__tmpTR__int_1) == __tmpTR__int_1 && \old(batch_at) == batch_at) - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.2s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 23 SDtfs, 37 SDslu, 18 SDs, 0 SdLazy, 49 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 16 LocationsWithAnnotation, 16 PreInvPairs, 17 NumberOfFragments, 194 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 16 FomulaSimplificationsInter, 424 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 2121 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...