/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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 SingleStatement --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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 03:15:25,217 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 03:15:25,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 03:15:25,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 03:15:25,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 03:15:25,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 03:15:25,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 03:15:25,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 03:15:25,255 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 03:15:25,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 03:15:25,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 03:15:25,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 03:15:25,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 03:15:25,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 03:15:25,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 03:15:25,263 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 03:15:25,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 03:15:25,265 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 03:15:25,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 03:15:25,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 03:15:25,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 03:15:25,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 03:15:25,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 03:15:25,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 03:15:25,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 03:15:25,278 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 03:15:25,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 03:15:25,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 03:15:25,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 03:15:25,283 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 03:15:25,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 03:15:25,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 03:15:25,285 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 03:15:25,288 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 03:15:25,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 03:15:25,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 03:15:25,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 03:15:25,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 03:15:25,292 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 03:15:25,293 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 03:15:25,299 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 03:15:25,300 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 [2020-09-25 03:15:25,351 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 03:15:25,352 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 03:15:25,353 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 03:15:25,354 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 03:15:25,354 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 03:15:25,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 03:15:25,354 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 03:15:25,354 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 03:15:25,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 03:15:25,355 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 03:15:25,355 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 03:15:25,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 03:15:25,356 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 03:15:25,357 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 03:15:25,357 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 03:15:25,357 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 03:15:25,357 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 03:15:25,357 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 03:15:25,358 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 03:15:25,358 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 03:15:25,358 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 03:15:25,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 03:15:25,358 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 03:15:25,359 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 03:15:25,359 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 03:15:25,359 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 03:15:25,359 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 03:15:25,359 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 03:15:25,360 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 03:15:25,360 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> SingleStatement 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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=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=WIDEST;log-additional-information=true; [2020-09-25 03:15:25,863 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 03:15:25,881 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 03:15:25,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 03:15:25,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 03:15:25,887 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 03:15:25,888 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-09-25 03:15:25,965 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8972d1b0/9b18adc38e014f7f93a391a3cf7dadf6/FLAG03fd5acd5 [2020-09-25 03:15:26,546 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 03:15:26,547 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_update_all_reverse.i [2020-09-25 03:15:26,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8972d1b0/9b18adc38e014f7f93a391a3cf7dadf6/FLAG03fd5acd5 [2020-09-25 03:15:26,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8972d1b0/9b18adc38e014f7f93a391a3cf7dadf6 [2020-09-25 03:15:26,841 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 03:15:26,847 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 03:15:26,848 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 03:15:26,848 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 03:15:26,852 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 03:15:26,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:15:26" (1/1) ... [2020-09-25 03:15:26,858 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c96dc2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:26, skipping insertion in model container [2020-09-25 03:15:26,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 03:15:26" (1/1) ... [2020-09-25 03:15:26,867 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 03:15:26,934 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 03:15:27,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:15:27,440 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 03:15:27,526 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 03:15:27,588 INFO L208 MainTranslator]: Completed translation [2020-09-25 03:15:27,589 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27 WrapperNode [2020-09-25 03:15:27,589 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 03:15:27,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 03:15:27,590 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 03:15:27,590 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 03:15:27,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27" (1/1) ... [2020-09-25 03:15:27,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27" (1/1) ... [2020-09-25 03:15:27,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27" (1/1) ... [2020-09-25 03:15:27,627 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27" (1/1) ... [2020-09-25 03:15:27,646 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27" (1/1) ... [2020-09-25 03:15:27,653 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27" (1/1) ... [2020-09-25 03:15:27,657 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27" (1/1) ... [2020-09-25 03:15:27,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 03:15:27,665 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 03:15:27,665 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 03:15:27,665 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 03:15:27,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27" (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 [2020-09-25 03:15:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 03:15:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 03:15:27,741 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-09-25 03:15:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-09-25 03:15:27,742 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-09-25 03:15:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-09-25 03:15:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-09-25 03:15:27,743 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-09-25 03:15:27,744 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-09-25 03:15:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-09-25 03:15:27,745 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 03:15:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 03:15:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-09-25 03:15:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-09-25 03:15:27,745 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-09-25 03:15:27,746 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-09-25 03:15:27,747 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-09-25 03:15:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-09-25 03:15:27,748 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-09-25 03:15:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-09-25 03:15:27,749 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-09-25 03:15:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-09-25 03:15:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-09-25 03:15:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-09-25 03:15:27,750 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-09-25 03:15:27,752 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-09-25 03:15:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-09-25 03:15:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-09-25 03:15:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-09-25 03:15:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-09-25 03:15:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-09-25 03:15:27,753 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-09-25 03:15:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-09-25 03:15:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-09-25 03:15:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-09-25 03:15:27,754 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-09-25 03:15:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-09-25 03:15:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-09-25 03:15:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-09-25 03:15:27,755 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-09-25 03:15:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-09-25 03:15:27,757 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-09-25 03:15:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-09-25 03:15:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-09-25 03:15:27,758 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-09-25 03:15:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-09-25 03:15:27,759 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-09-25 03:15:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-09-25 03:15:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-09-25 03:15:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-09-25 03:15:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-09-25 03:15:27,760 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-09-25 03:15:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-09-25 03:15:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-09-25 03:15:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-09-25 03:15:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-09-25 03:15:27,761 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-09-25 03:15:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-09-25 03:15:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-09-25 03:15:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-09-25 03:15:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-09-25 03:15:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-09-25 03:15:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-09-25 03:15:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-09-25 03:15:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 03:15:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-25 03:15:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-09-25 03:15:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 03:15:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-09-25 03:15:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-09-25 03:15:27,766 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-09-25 03:15:27,767 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-09-25 03:15:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-09-25 03:15:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 03:15:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-09-25 03:15:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-09-25 03:15:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-09-25 03:15:27,768 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-25 03:15:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-09-25 03:15:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-09-25 03:15:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-09-25 03:15:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-09-25 03:15:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-09-25 03:15:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-09-25 03:15:27,769 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-09-25 03:15:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-09-25 03:15:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-09-25 03:15:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-09-25 03:15:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-09-25 03:15:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-09-25 03:15:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-09-25 03:15:27,770 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-09-25 03:15:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-09-25 03:15:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-09-25 03:15:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-09-25 03:15:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-09-25 03:15:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-09-25 03:15:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-09-25 03:15:27,771 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-09-25 03:15:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-09-25 03:15:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-09-25 03:15:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-09-25 03:15:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-09-25 03:15:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-09-25 03:15:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-09-25 03:15:27,772 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-09-25 03:15:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-09-25 03:15:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-09-25 03:15:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-09-25 03:15:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-09-25 03:15:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-09-25 03:15:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-09-25 03:15:27,773 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-09-25 03:15:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-09-25 03:15:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-09-25 03:15:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-09-25 03:15:27,774 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-09-25 03:15:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-09-25 03:15:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-09-25 03:15:27,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 03:15:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 03:15:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 03:15:27,776 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-09-25 03:15:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-09-25 03:15:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 03:15:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 03:15:27,777 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-09-25 03:15:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 03:15:27,781 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-09-25 03:15:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 03:15:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 03:15:27,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 03:15:28,241 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-09-25 03:15:28,469 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 03:15:28,469 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-09-25 03:15:28,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:15:28 BoogieIcfgContainer [2020-09-25 03:15:28,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 03:15:28,476 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 03:15:28,476 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 03:15:28,479 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 03:15:28,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 03:15:26" (1/3) ... [2020-09-25 03:15:28,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325932b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:15:28, skipping insertion in model container [2020-09-25 03:15:28,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 03:15:27" (2/3) ... [2020-09-25 03:15:28,481 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@325932b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 03:15:28, skipping insertion in model container [2020-09-25 03:15:28,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 03:15:28" (3/3) ... [2020-09-25 03:15:28,484 INFO L109 eAbstractionObserver]: Analyzing ICFG dll2n_update_all_reverse.i [2020-09-25 03:15:28,495 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 03:15:28,507 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 03:15:28,527 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 03:15:28,552 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 03:15:28,552 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 03:15:28,552 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 03:15:28,552 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 03:15:28,553 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 03:15:28,553 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 03:15:28,553 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 03:15:28,553 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 03:15:28,577 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states. [2020-09-25 03:15:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-25 03:15:28,587 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 03:15:28,588 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] [2020-09-25 03:15:28,588 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 03:15:28,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 03:15:28,595 INFO L82 PathProgramCache]: Analyzing trace with hash 935667377, now seen corresponding path program 1 times [2020-09-25 03:15:28,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 03:15:28,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972712102] [2020-09-25 03:15:28,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 03:15:28,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:15:28,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:15:28,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:15:28,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:15:29,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:15:30,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:15:30,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-09-25 03:15:30,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-25 03:15:30,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1320 [2020-09-25 03:15:30,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:15:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-25 03:15:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 14 [2020-09-25 03:15:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-09-25 03:15:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 03:15:30,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 03:15:30,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:15:30,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:15:30,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:15:30,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 03:15:30,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:15:30,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 03:15:30,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:15:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 03:15:30,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:15:30,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 03:15:30,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 03:15:30,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-09-25 03:15:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:15:30,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:15:30,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:15:30,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:15:30,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 03:15:30,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 03:15:30,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 03:15:30,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:15:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 03:15:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 03:15:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:15:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:15:30,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-25 03:15:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 03:15:30,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 03:15:30,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 03:15:30,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 03:15:30,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 03:15:30,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 03:15:30,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDEST [2020-09-25 03:15:30,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-25 03:15:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-09-25 03:15:30,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-25 03:15:30,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 03:15:30,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 03:15:30,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972712102] [2020-09-25 03:15:30,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 03:15:30,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 03:15:30,349 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220900739] [2020-09-25 03:15:30,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 03:15:30,357 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 03:15:30,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 03:15:30,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-25 03:15:30,385 INFO L87 Difference]: Start difference. First operand 98 states. Second operand 8 states. [2020-09-25 03:15:31,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 03:15:31,000 INFO L93 Difference]: Finished difference Result 179 states and 223 transitions. [2020-09-25 03:15:31,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 03:15:31,003 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 38 [2020-09-25 03:15:31,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 03:15:31,014 INFO L225 Difference]: With dead ends: 179 [2020-09-25 03:15:31,014 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 03:15:31,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2020-09-25 03:15:31,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 03:15:31,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 03:15:31,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 03:15:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 03:15:31,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2020-09-25 03:15:31,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 03:15:31,055 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 03:15:31,055 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 03:15:31,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 03:15:31,056 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 03:15:31,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 03:15:31,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 03:15:31,326 INFO L268 CegarLoopResult]: For program point L609(line 609) no Hoare annotation was computed. [2020-09-25 03:15:31,326 INFO L268 CegarLoopResult]: For program point L608(line 608) no Hoare annotation was computed. [2020-09-25 03:15:31,326 INFO L268 CegarLoopResult]: For program point L609-1(line 609) no Hoare annotation was computed. [2020-09-25 03:15:31,326 INFO L268 CegarLoopResult]: For program point L608-1(line 608) no Hoare annotation was computed. [2020-09-25 03:15:31,327 INFO L268 CegarLoopResult]: For program point L609-2(line 609) no Hoare annotation was computed. [2020-09-25 03:15:31,327 INFO L268 CegarLoopResult]: For program point L606(lines 606 612) no Hoare annotation was computed. [2020-09-25 03:15:31,327 INFO L268 CegarLoopResult]: For program point L608-2(line 608) no Hoare annotation was computed. [2020-09-25 03:15:31,327 INFO L268 CegarLoopResult]: For program point L606-1(lines 606 612) no Hoare annotation was computed. [2020-09-25 03:15:31,328 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-09-25 03:15:31,328 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-09-25 03:15:31,328 INFO L264 CegarLoopResult]: At program point dll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-09-25 03:15:31,328 INFO L268 CegarLoopResult]: For program point dll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-09-25 03:15:31,328 INFO L268 CegarLoopResult]: For program point dll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-09-25 03:15:31,329 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-09-25 03:15:31,329 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed. [2020-09-25 03:15:31,329 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-09-25 03:15:31,329 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-09-25 03:15:31,329 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-09-25 03:15:31,329 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 561 563) the Hoare annotation is: true [2020-09-25 03:15:31,330 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 561 563) no Hoare annotation was computed. [2020-09-25 03:15:31,330 INFO L271 CegarLoopResult]: At program point L562(line 562) the Hoare annotation is: true [2020-09-25 03:15:31,330 INFO L268 CegarLoopResult]: For program point L578-1(lines 578 580) no Hoare annotation was computed. [2020-09-25 03:15:31,330 INFO L264 CegarLoopResult]: At program point dll_createENTRY(lines 574 591) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 03:15:31,330 INFO L268 CegarLoopResult]: For program point L574(lines 574 591) no Hoare annotation was computed. [2020-09-25 03:15:31,330 INFO L271 CegarLoopResult]: At program point L576-2(lines 576 589) the Hoare annotation is: true [2020-09-25 03:15:31,331 INFO L268 CegarLoopResult]: For program point L576-3(lines 576 589) no Hoare annotation was computed. [2020-09-25 03:15:31,331 INFO L268 CegarLoopResult]: For program point dll_createFINAL(lines 574 591) no Hoare annotation was computed. [2020-09-25 03:15:31,331 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-09-25 03:15:31,331 INFO L268 CegarLoopResult]: For program point L583(lines 576 589) no Hoare annotation was computed. [2020-09-25 03:15:31,331 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-09-25 03:15:31,331 INFO L271 CegarLoopResult]: At program point L579(line 579) the Hoare annotation is: true [2020-09-25 03:15:31,332 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-09-25 03:15:31,332 INFO L268 CegarLoopResult]: For program point L577-1(line 577) no Hoare annotation was computed. [2020-09-25 03:15:31,332 INFO L268 CegarLoopResult]: For program point L575(line 575) no Hoare annotation was computed. [2020-09-25 03:15:31,332 INFO L268 CegarLoopResult]: For program point dll_createEXIT(lines 574 591) no Hoare annotation was computed. [2020-09-25 03:15:31,332 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-09-25 03:15:31,332 INFO L268 CegarLoopResult]: For program point L588-1(line 588) no Hoare annotation was computed. [2020-09-25 03:15:31,332 INFO L268 CegarLoopResult]: For program point L588-2(line 588) no Hoare annotation was computed. [2020-09-25 03:15:31,333 INFO L268 CegarLoopResult]: For program point L584(lines 584 586) no Hoare annotation was computed. [2020-09-25 03:15:31,333 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-09-25 03:15:31,333 INFO L268 CegarLoopResult]: For program point L578(lines 578 580) no Hoare annotation was computed. [2020-09-25 03:15:31,333 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-09-25 03:15:31,333 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-09-25 03:15:31,333 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-09-25 03:15:31,334 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-09-25 03:15:31,334 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-09-25 03:15:31,334 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-09-25 03:15:31,334 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-09-25 03:15:31,334 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-09-25 03:15:31,334 INFO L268 CegarLoopResult]: For program point L71-1(line 71) no Hoare annotation was computed. [2020-09-25 03:15:31,335 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-09-25 03:15:31,335 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-09-25 03:15:31,335 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-09-25 03:15:31,335 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-09-25 03:15:31,335 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-09-25 03:15:31,335 INFO L268 CegarLoopResult]: For program point L604(line 604) no Hoare annotation was computed. [2020-09-25 03:15:31,335 INFO L268 CegarLoopResult]: For program point L604-1(line 604) no Hoare annotation was computed. [2020-09-25 03:15:31,336 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-09-25 03:15:31,336 INFO L268 CegarLoopResult]: For program point L601(line 601) no Hoare annotation was computed. [2020-09-25 03:15:31,336 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-09-25 03:15:31,336 INFO L268 CegarLoopResult]: For program point L601-1(line 601) no Hoare annotation was computed. [2020-09-25 03:15:31,336 INFO L268 CegarLoopResult]: For program point L602-2(line 602) no Hoare annotation was computed. [2020-09-25 03:15:31,336 INFO L268 CegarLoopResult]: For program point L599(lines 599 605) no Hoare annotation was computed. [2020-09-25 03:15:31,337 INFO L268 CegarLoopResult]: For program point L601-2(line 601) no Hoare annotation was computed. [2020-09-25 03:15:31,337 INFO L271 CegarLoopResult]: At program point L600-2(lines 600 603) the Hoare annotation is: true [2020-09-25 03:15:31,337 INFO L268 CegarLoopResult]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2020-09-25 03:15:31,337 INFO L268 CegarLoopResult]: For program point dll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2020-09-25 03:15:31,337 INFO L271 CegarLoopResult]: At program point dll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2020-09-25 03:15:31,337 INFO L268 CegarLoopResult]: For program point dll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2020-09-25 03:15:31,337 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2020-09-25 03:15:31,338 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-09-25 03:15:31,338 INFO L268 CegarLoopResult]: For program point L622-3(line 622) no Hoare annotation was computed. [2020-09-25 03:15:31,338 INFO L268 CegarLoopResult]: For program point L618(line 618) no Hoare annotation was computed. [2020-09-25 03:15:31,338 INFO L268 CegarLoopResult]: For program point L622-4(line 622) no Hoare annotation was computed. [2020-09-25 03:15:31,338 INFO L264 CegarLoopResult]: At program point L622-5(lines 622 627) the Hoare annotation is: (and (<= 2 main_~len~0) (<= 1 main_~i~0)) [2020-09-25 03:15:31,338 INFO L264 CegarLoopResult]: At program point L622-6(lines 622 627) the Hoare annotation is: (and (<= 2 main_~len~0) (<= 1 main_~i~0)) [2020-09-25 03:15:31,339 INFO L268 CegarLoopResult]: For program point L618-3(line 618) no Hoare annotation was computed. [2020-09-25 03:15:31,339 INFO L268 CegarLoopResult]: For program point L618-4(line 618) no Hoare annotation was computed. [2020-09-25 03:15:31,339 INFO L264 CegarLoopResult]: At program point L618-5(lines 618 621) the Hoare annotation is: (<= 2 main_~len~0) [2020-09-25 03:15:31,339 INFO L268 CegarLoopResult]: For program point L618-6(lines 618 621) no Hoare annotation was computed. [2020-09-25 03:15:31,339 INFO L268 CegarLoopResult]: For program point L631(line 631) no Hoare annotation was computed. [2020-09-25 03:15:31,339 INFO L268 CegarLoopResult]: For program point L623(line 623) no Hoare annotation was computed. [2020-09-25 03:15:31,339 INFO L268 CegarLoopResult]: For program point L619(line 619) no Hoare annotation was computed. [2020-09-25 03:15:31,340 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-09-25 03:15:31,340 INFO L268 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-09-25 03:15:31,340 INFO L264 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: false [2020-09-25 03:15:31,340 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-09-25 03:15:31,340 INFO L268 CegarLoopResult]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2020-09-25 03:15:31,340 INFO L268 CegarLoopResult]: For program point L624-3(line 624) no Hoare annotation was computed. [2020-09-25 03:15:31,341 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2020-09-25 03:15:31,341 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (<= 2 main_~len~0) [2020-09-25 03:15:31,341 INFO L268 CegarLoopResult]: For program point L624-4(line 624) no Hoare annotation was computed. [2020-09-25 03:15:31,341 INFO L268 CegarLoopResult]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2020-09-25 03:15:31,341 INFO L264 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= 2 main_~len~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 03:15:31,341 INFO L268 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-09-25 03:15:31,342 INFO L268 CegarLoopResult]: For program point L616-2(line 616) no Hoare annotation was computed. [2020-09-25 03:15:31,342 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 630) no Hoare annotation was computed. [2020-09-25 03:15:31,342 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-09-25 03:15:31,342 INFO L264 CegarLoopResult]: At program point L625(lines 613 632) the Hoare annotation is: false [2020-09-25 03:15:31,342 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-09-25 03:15:31,343 INFO L268 CegarLoopResult]: For program point dll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2020-09-25 03:15:31,343 INFO L264 CegarLoopResult]: At program point dll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-09-25 03:15:31,343 INFO L268 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2020-09-25 03:15:31,343 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-09-25 03:15:31,343 INFO L268 CegarLoopResult]: For program point L595-1(line 595) no Hoare annotation was computed. [2020-09-25 03:15:31,343 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-09-25 03:15:31,343 INFO L268 CegarLoopResult]: For program point L594-2(line 594) no Hoare annotation was computed. [2020-09-25 03:15:31,344 INFO L271 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-09-25 03:15:31,344 INFO L268 CegarLoopResult]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2020-09-25 03:15:31,344 INFO L268 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-09-25 03:15:31,344 INFO L268 CegarLoopResult]: For program point node_createENTRY(lines 564 573) no Hoare annotation was computed. [2020-09-25 03:15:31,344 INFO L268 CegarLoopResult]: For program point L570(line 570) no Hoare annotation was computed. [2020-09-25 03:15:31,344 INFO L268 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2020-09-25 03:15:31,345 INFO L268 CegarLoopResult]: For program point L567(line 567) no Hoare annotation was computed. [2020-09-25 03:15:31,345 INFO L268 CegarLoopResult]: For program point L566(lines 566 568) no Hoare annotation was computed. [2020-09-25 03:15:31,345 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 564 573) no Hoare annotation was computed. [2020-09-25 03:15:31,345 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-09-25 03:15:31,345 INFO L268 CegarLoopResult]: For program point L566-1(lines 566 568) no Hoare annotation was computed. [2020-09-25 03:15:31,345 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-09-25 03:15:31,345 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 564 573) no Hoare annotation was computed. [2020-09-25 03:15:31,370 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 03:15:31,371 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 03:15:31,371 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 03:15:31,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 03:15:31,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,372 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:15:31,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:15:31,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,373 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 03:15:31,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 03:15:31,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 03:15:31,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 03:15:31,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:15:31,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:15:31,375 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 03:15:31 BoogieIcfgContainer [2020-09-25 03:15:31,379 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-25 03:15:31,384 INFO L168 Benchmark]: Toolchain (without parser) took 4538.94 ms. Allocated memory was 142.1 MB in the beginning and 243.3 MB in the end (delta: 101.2 MB). Free memory was 103.6 MB in the beginning and 111.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 92.8 MB. Max. memory is 7.1 GB. [2020-09-25 03:15:31,387 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-25 03:15:31,391 INFO L168 Benchmark]: CACSL2BoogieTranslator took 741.53 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 102.9 MB in the beginning and 167.6 MB in the end (delta: -64.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-09-25 03:15:31,392 INFO L168 Benchmark]: Boogie Preprocessor took 74.26 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 165.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-09-25 03:15:31,392 INFO L168 Benchmark]: RCFGBuilder took 809.69 ms. Allocated memory is still 204.5 MB. Free memory was 164.3 MB in the beginning and 110.9 MB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. [2020-09-25 03:15:31,395 INFO L168 Benchmark]: TraceAbstraction took 2903.54 ms. Allocated memory was 204.5 MB in the beginning and 243.3 MB in the end (delta: 38.8 MB). Free memory was 110.3 MB in the beginning and 111.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2020-09-25 03:15:31,407 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.1 MB. Free memory was 123.6 MB in the beginning and 123.4 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 741.53 ms. Allocated memory was 142.1 MB in the beginning and 204.5 MB in the end (delta: 62.4 MB). Free memory was 102.9 MB in the beginning and 167.6 MB in the end (delta: -64.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.26 ms. Allocated memory is still 204.5 MB. Free memory was 167.6 MB in the beginning and 165.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 809.69 ms. Allocated memory is still 204.5 MB. Free memory was 164.3 MB in the beginning and 110.9 MB in the end (delta: 53.4 MB). Peak memory consumption was 53.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2903.54 ms. Allocated memory was 204.5 MB in the beginning and 243.3 MB in the end (delta: 38.8 MB). Free memory was 110.3 MB in the beginning and 111.9 MB in the end (delta: -1.6 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 630]: 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: 562]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 618]: Loop Invariant Derived loop invariant: 2 <= len - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 622]: Loop Invariant Derived loop invariant: 2 <= len && 1 <= i - InvariantResult [Line: 607]: Loop Invariant [2020-09-25 03:15:31,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 03:15:31,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 03:15:31,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 03:15:31,428 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 03:15:31,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:15:31,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:15:31,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 03:15:31,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-09-25 03:15:31,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 03:15:31,430 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-09-25 03:15:31,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:15:31,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-09-25 03:15:31,430 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-09-25 03:15:31,431 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 120 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 65 SDtfs, 124 SDslu, 129 SDs, 0 SdLazy, 288 SolverSat, 43 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=98occurred 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, 22 LocationsWithAnnotation, 34 PreInvPairs, 49 NumberOfFragments, 115 HoareAnnotationTreeSize, 34 FomulaSimplifications, 132 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 22 FomulaSimplificationsInter, 115 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 3515 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...