/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/ldv-regression/test_address.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:55:44,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:55:44,184 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:55:44,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:55:44,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:55:44,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:55:44,256 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:55:44,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:55:44,265 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:55:44,273 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:55:44,275 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:55:44,276 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:55:44,277 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:55:44,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:55:44,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:55:44,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:55:44,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:55:44,290 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:55:44,299 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:55:44,307 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:55:44,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:55:44,311 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:55:44,313 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:55:44,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:55:44,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:55:44,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:55:44,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:55:44,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:55:44,344 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:55:44,345 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:55:44,346 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:55:44,347 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:55:44,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:55:44,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:55:44,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:55:44,352 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:55:44,353 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:55:44,353 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:55:44,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:55:44,355 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:55:44,355 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:55:44,364 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 19:55:44,421 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:55:44,421 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:55:44,426 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:55:44,427 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:55:44,427 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:55:44,427 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:55:44,427 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:55:44,428 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:55:44,428 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:55:44,428 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:55:44,429 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:55:44,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:55:44,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:55:44,430 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:55:44,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:55:44,431 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:55:44,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:55:44,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:55:44,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:55:44,432 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:55:44,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:55:44,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:55:44,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:55:44,433 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:55:44,433 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:55:44,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:55:44,434 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:55:44,434 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:55:44,434 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:55:44,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:55:44,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:55:44,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:55:44,939 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:55:44,941 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:55:44,942 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:55:44,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_address.i [2020-10-27 19:55:45,023 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e31b9eb3/89bb7231fa5247c08690cbd570791f18/FLAG5992f70f3 [2020-10-27 19:55:45,728 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:55:45,729 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test_address.i [2020-10-27 19:55:45,746 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e31b9eb3/89bb7231fa5247c08690cbd570791f18/FLAG5992f70f3 [2020-10-27 19:55:46,040 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8e31b9eb3/89bb7231fa5247c08690cbd570791f18 [2020-10-27 19:55:46,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:55:46,054 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:55:46,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:55:46,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:55:46,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:55:46,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:55:46" (1/1) ... [2020-10-27 19:55:46,069 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56228d23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46, skipping insertion in model container [2020-10-27 19:55:46,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:55:46" (1/1) ... [2020-10-27 19:55:46,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:55:46,121 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:55:46,424 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:55:46,442 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:55:46,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:55:46,615 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:55:46,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46 WrapperNode [2020-10-27 19:55:46,618 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:55:46,620 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:55:46,620 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:55:46,620 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:55:46,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46" (1/1) ... [2020-10-27 19:55:46,638 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46" (1/1) ... [2020-10-27 19:55:46,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46" (1/1) ... [2020-10-27 19:55:46,670 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46" (1/1) ... [2020-10-27 19:55:46,708 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46" (1/1) ... [2020-10-27 19:55:46,712 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46" (1/1) ... [2020-10-27 19:55:46,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46" (1/1) ... [2020-10-27 19:55:46,746 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:55:46,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:55:46,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:55:46,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:55:46,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46" (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 19:55:46,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:55:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:55:46,841 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:55:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-27 19:55:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-10-27 19:55:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_fail_path [2020-10-27 19:55:46,842 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:55:46,842 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:55:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:55:46,843 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:55:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:55:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-10-27 19:55:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-10-27 19:55:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-10-27 19:55:46,844 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-10-27 19:55:46,845 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-10-27 19:55:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-10-27 19:55:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-10-27 19:55:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-10-27 19:55:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-10-27 19:55:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-10-27 19:55:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-10-27 19:55:46,846 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-10-27 19:55:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-10-27 19:55:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-10-27 19:55:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-10-27 19:55:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-10-27 19:55:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-10-27 19:55:46,847 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-10-27 19:55:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-10-27 19:55:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-10-27 19:55:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-10-27 19:55:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-10-27 19:55:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-10-27 19:55:46,848 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-10-27 19:55:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-10-27 19:55:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-10-27 19:55:46,849 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-10-27 19:55:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-10-27 19:55:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-10-27 19:55:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-10-27 19:55:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-10-27 19:55:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-10-27 19:55:46,850 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-10-27 19:55:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-10-27 19:55:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-10-27 19:55:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-10-27 19:55:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-10-27 19:55:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-10-27 19:55:46,851 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 19:55:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-10-27 19:55:46,852 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-10-27 19:55:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-10-27 19:55:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-10-27 19:55:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-27 19:55:46,853 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-10-27 19:55:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-10-27 19:55:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-10-27 19:55:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-10-27 19:55:46,854 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-10-27 19:55:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-10-27 19:55:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-10-27 19:55:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-10-27 19:55:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-10-27 19:55:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-10-27 19:55:46,855 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-10-27 19:55:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-10-27 19:55:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-10-27 19:55:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-10-27 19:55:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-10-27 19:55:46,856 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-10-27 19:55:46,857 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-10-27 19:55:46,858 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-10-27 19:55:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-10-27 19:55:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-10-27 19:55:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-10-27 19:55:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-10-27 19:55:46,859 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-10-27 19:55:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-10-27 19:55:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-10-27 19:55:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-10-27 19:55:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-10-27 19:55:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-10-27 19:55:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-10-27 19:55:46,860 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-10-27 19:55:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-10-27 19:55:46,861 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-10-27 19:55:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-10-27 19:55:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-10-27 19:55:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-10-27 19:55:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-10-27 19:55:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-10-27 19:55:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-10-27 19:55:46,862 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-10-27 19:55:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-10-27 19:55:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-10-27 19:55:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-10-27 19:55:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-10-27 19:55:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-10-27 19:55:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-10-27 19:55:46,863 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-10-27 19:55:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-10-27 19:55:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-10-27 19:55:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-10-27 19:55:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-10-27 19:55:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-10-27 19:55:46,864 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-10-27 19:55:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-10-27 19:55:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-10-27 19:55:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-10-27 19:55:46,865 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-10-27 19:55:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-10-27 19:55:46,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 19:55:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 19:55:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 19:55:46,867 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 19:55:46,868 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 19:55:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-10-27 19:55:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 19:55:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-10-27 19:55:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-10-27 19:55:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-10-27 19:55:46,869 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-10-27 19:55:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-10-27 19:55:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-10-27 19:55:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-10-27 19:55:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-10-27 19:55:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-10-27 19:55:46,870 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-10-27 19:55:46,871 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-10-27 19:55:46,872 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-27 19:55:46,873 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-10-27 19:55:46,875 INFO L130 BoogieDeclarations]: Found specification of procedure rr_fail_path [2020-10-27 19:55:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:55:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:55:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:55:46,876 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:55:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:55:46,877 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:55:46,879 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:55:47,428 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:55:47,428 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 19:55:47,430 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:55:47 BoogieIcfgContainer [2020-10-27 19:55:47,430 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:55:47,432 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:55:47,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:55:47,436 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:55:47,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:55:46" (1/3) ... [2020-10-27 19:55:47,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4435486f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:55:47, skipping insertion in model container [2020-10-27 19:55:47,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:55:46" (2/3) ... [2020-10-27 19:55:47,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4435486f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:55:47, skipping insertion in model container [2020-10-27 19:55:47,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:55:47" (3/3) ... [2020-10-27 19:55:47,440 INFO L111 eAbstractionObserver]: Analyzing ICFG test_address.i [2020-10-27 19:55:47,451 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:55:47,456 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:55:47,472 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:55:47,502 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:55:47,503 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:55:47,503 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:55:47,503 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:55:47,503 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:55:47,503 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:55:47,504 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:55:47,504 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:55:47,524 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-10-27 19:55:47,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-27 19:55:47,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:55:47,532 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 19:55:47,533 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:55:47,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:55:47,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1285550891, now seen corresponding path program 1 times [2020-10-27 19:55:47,551 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:55:47,551 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [642656779] [2020-10-27 19:55:47,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:55:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:55:47,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:55:48,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:55:48,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 28 [2020-10-27 19:55:48,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:55:48,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 376 [2020-10-27 19:55:48,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:55:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:55:48,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 19:55:48,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:55:48,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 19:55:48,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:55:48,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:55:48,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:55:48,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:55:48,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:55:48,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:55:48,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 19:55:48,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:55:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:55:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:55:48,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:55:48,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:55:48,283 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 19:55:48,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [642656779] [2020-10-27 19:55:48,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:55:48,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 19:55:48,287 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395361137] [2020-10-27 19:55:48,293 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 19:55:48,293 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:55:48,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 19:55:48,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 19:55:48,312 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 8 states. [2020-10-27 19:55:48,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:55:48,587 INFO L93 Difference]: Finished difference Result 38 states and 37 transitions. [2020-10-27 19:55:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-27 19:55:48,589 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-27 19:55:48,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:55:48,596 INFO L225 Difference]: With dead ends: 38 [2020-10-27 19:55:48,597 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 19:55:48,601 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 19:55:48,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 19:55:48,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 19:55:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 19:55:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 19:55:48,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-27 19:55:48,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:55:48,631 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 19:55:48,631 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 19:55:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 19:55:48,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 19:55:48,632 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:55:48,634 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 19:55:48,815 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 19:55:48,815 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 19:55:48,815 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 19:55:48,815 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 19:55:48,816 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 19:55:48,816 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-27 19:55:48,816 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 19:55:48,816 INFO L274 CegarLoopResult]: For program point rr_fail_pathFINAL(lines 869 872) no Hoare annotation was computed. [2020-10-27 19:55:48,816 INFO L277 CegarLoopResult]: At program point rr_fail_pathENTRY(lines 869 872) the Hoare annotation is: true [2020-10-27 19:55:48,817 INFO L270 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: (or (not (= rr_fail_path_~pi.base 0)) (= |rr_fail_path_#in~pi.base| 0)) [2020-10-27 19:55:48,817 INFO L274 CegarLoopResult]: For program point rr_fail_pathEXIT(lines 869 872) no Hoare annotation was computed. [2020-10-27 19:55:48,817 INFO L277 CegarLoopResult]: At program point list_addENTRY(lines 865 867) the Hoare annotation is: true [2020-10-27 19:55:48,817 INFO L270 CegarLoopResult]: At program point L866-2(line 866) the Hoare annotation is: (= |list_add_#in~new.base| 0) [2020-10-27 19:55:48,817 INFO L274 CegarLoopResult]: For program point L866-3(lines 865 867) no Hoare annotation was computed. [2020-10-27 19:55:48,817 INFO L274 CegarLoopResult]: For program point list_addEXIT(lines 865 867) no Hoare annotation was computed. [2020-10-27 19:55:48,817 INFO L274 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-10-27 19:55:48,818 INFO L274 CegarLoopResult]: For program point __blast_assertEXIT(lines 854 857) no Hoare annotation was computed. [2020-10-27 19:55:48,818 INFO L274 CegarLoopResult]: For program point L856(line 856) no Hoare annotation was computed. [2020-10-27 19:55:48,818 INFO L274 CegarLoopResult]: For program point __blast_assertFINAL(lines 854 857) no Hoare annotation was computed. [2020-10-27 19:55:48,818 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 854 857) the Hoare annotation is: true [2020-10-27 19:55:48,818 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 19:55:48,818 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 19:55:48,819 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 19:55:48,819 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 19:55:48,819 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 875 878) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|)) [2020-10-27 19:55:48,819 INFO L270 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: (not (= |main_~#pi~0.base| 0)) [2020-10-27 19:55:48,820 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 875 878) no Hoare annotation was computed. [2020-10-27 19:55:48,820 INFO L274 CegarLoopResult]: For program point L877-1(line 877) no Hoare annotation was computed. [2020-10-27 19:55:48,820 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 875 878) no Hoare annotation was computed. [2020-10-27 19:55:48,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:55:48 BoogieIcfgContainer [2020-10-27 19:55:48,828 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 19:55:48,833 INFO L168 Benchmark]: Toolchain (without parser) took 2782.18 ms. Allocated memory is still 154.1 MB. Free memory was 128.0 MB in the beginning and 91.7 MB in the end (delta: 36.4 MB). Peak memory consumption was 37.9 MB. Max. memory is 8.0 GB. [2020-10-27 19:55:48,839 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 154.1 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 19:55:48,840 INFO L168 Benchmark]: CACSL2BoogieTranslator took 560.41 ms. Allocated memory is still 154.1 MB. Free memory was 127.4 MB in the beginning and 105.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-27 19:55:48,842 INFO L168 Benchmark]: Boogie Preprocessor took 126.02 ms. Allocated memory is still 154.1 MB. Free memory was 105.1 MB in the beginning and 136.4 MB in the end (delta: -31.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. [2020-10-27 19:55:48,843 INFO L168 Benchmark]: RCFGBuilder took 683.79 ms. Allocated memory is still 154.1 MB. Free memory was 136.4 MB in the beginning and 99.7 MB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. [2020-10-27 19:55:48,844 INFO L168 Benchmark]: TraceAbstraction took 1395.97 ms. Allocated memory is still 154.1 MB. Free memory was 99.2 MB in the beginning and 91.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 9.1 MB. Max. memory is 8.0 GB. [2020-10-27 19:55:48,854 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 154.1 MB. Free memory is still 127.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 560.41 ms. Allocated memory is still 154.1 MB. Free memory was 127.4 MB in the beginning and 105.1 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 126.02 ms. Allocated memory is still 154.1 MB. Free memory was 105.1 MB in the beginning and 136.4 MB in the end (delta: -31.3 MB). Peak memory consumption was 3.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 683.79 ms. Allocated memory is still 154.1 MB. Free memory was 136.4 MB in the beginning and 99.7 MB in the end (delta: 36.7 MB). Peak memory consumption was 35.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1395.97 ms. Allocated memory is still 154.1 MB. Free memory was 99.2 MB in the beginning and 91.7 MB in the end (delta: 7.5 MB). Peak memory consumption was 9.1 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 29 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 11 SDtfs, 13 SDslu, 47 SDs, 0 SdLazy, 49 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred 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, 11 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 59 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 135 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 14 NumberOfCodeBlocks, 14 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 754 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...