/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test_address.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 20:19:19,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 20:19:19,085 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 20:19:19,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 20:19:19,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 20:19:19,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 20:19:19,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 20:19:19,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 20:19:19,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 20:19:19,114 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 20:19:19,115 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 20:19:19,116 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 20:19:19,116 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 20:19:19,117 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 20:19:19,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 20:19:19,119 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 20:19:19,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 20:19:19,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 20:19:19,123 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 20:19:19,124 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 20:19:19,126 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 20:19:19,127 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 20:19:19,128 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 20:19:19,129 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 20:19:19,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 20:19:19,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 20:19:19,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 20:19:19,132 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 20:19:19,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 20:19:19,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 20:19:19,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 20:19:19,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 20:19:19,135 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 20:19:19,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 20:19:19,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 20:19:19,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 20:19:19,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 20:19:19,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 20:19:19,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 20:19:19,139 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 20:19:19,140 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 20:19:19,140 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 [2020-08-18 20:19:19,165 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 20:19:19,166 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 20:19:19,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 20:19:19,167 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 20:19:19,167 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 20:19:19,167 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 20:19:19,168 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 20:19:19,170 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 20:19:19,170 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 20:19:19,170 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 20:19:19,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 20:19:19,171 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 20:19:19,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 20:19:19,171 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 20:19:19,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 20:19:19,171 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 20:19:19,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 20:19:19,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 20:19:19,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 20:19:19,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 20:19:19,172 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 20:19:19,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 20:19:19,177 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 20:19:19,177 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 20:19:19,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 20:19:19,178 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 20:19:19,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 20:19:19,178 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 20:19:19,178 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 20:19:19,178 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SHALLOWEST; [2020-08-18 20:19:19,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 20:19:19,511 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 20:19:19,516 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 20:19:19,518 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 20:19:19,518 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 20:19:19,520 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test_address.i [2020-08-18 20:19:19,597 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6f0e0d35/4fe0fc21af7048ceb26dfcba3d70cb80/FLAG653290871 [2020-08-18 20:19:20,140 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 20:19:20,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/test_address.i [2020-08-18 20:19:20,157 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6f0e0d35/4fe0fc21af7048ceb26dfcba3d70cb80/FLAG653290871 [2020-08-18 20:19:20,480 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f6f0e0d35/4fe0fc21af7048ceb26dfcba3d70cb80 [2020-08-18 20:19:20,489 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 20:19:20,491 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 20:19:20,492 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 20:19:20,492 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 20:19:20,497 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 20:19:20,498 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:19:20" (1/1) ... [2020-08-18 20:19:20,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@704da3f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:20, skipping insertion in model container [2020-08-18 20:19:20,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 08:19:20" (1/1) ... [2020-08-18 20:19:20,510 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 20:19:20,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 20:19:20,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:19:20,961 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 20:19:21,000 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 20:19:21,066 INFO L208 MainTranslator]: Completed translation [2020-08-18 20:19:21,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21 WrapperNode [2020-08-18 20:19:21,068 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 20:19:21,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 20:19:21,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 20:19:21,069 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 20:19:21,083 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21" (1/1) ... [2020-08-18 20:19:21,085 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21" (1/1) ... [2020-08-18 20:19:21,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21" (1/1) ... [2020-08-18 20:19:21,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21" (1/1) ... [2020-08-18 20:19:21,115 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21" (1/1) ... [2020-08-18 20:19:21,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21" (1/1) ... [2020-08-18 20:19:21,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21" (1/1) ... [2020-08-18 20:19:21,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 20:19:21,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 20:19:21,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 20:19:21,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 20:19:21,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21" (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 [2020-08-18 20:19:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 20:19:21,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 20:19:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-18 20:19:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2020-08-18 20:19:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure rr_fail_path [2020-08-18 20:19:21,193 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 20:19:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 20:19:21,193 INFO L130 BoogieDeclarations]: Found specification of procedure __underflow [2020-08-18 20:19:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure __uflow [2020-08-18 20:19:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure __overflow [2020-08-18 20:19:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_getc [2020-08-18 20:19:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_putc [2020-08-18 20:19:21,194 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_feof [2020-08-18 20:19:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ferror [2020-08-18 20:19:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_peekc_locked [2020-08-18 20:19:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_flockfile [2020-08-18 20:19:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_funlockfile [2020-08-18 20:19:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_ftrylockfile [2020-08-18 20:19:21,195 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfscanf [2020-08-18 20:19:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_vfprintf [2020-08-18 20:19:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_padn [2020-08-18 20:19:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_sgetn [2020-08-18 20:19:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekoff [2020-08-18 20:19:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_seekpos [2020-08-18 20:19:21,196 INFO L130 BoogieDeclarations]: Found specification of procedure _IO_free_backup_area [2020-08-18 20:19:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure remove [2020-08-18 20:19:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure rename [2020-08-18 20:19:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure renameat [2020-08-18 20:19:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure tmpfile [2020-08-18 20:19:21,197 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam [2020-08-18 20:19:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure tmpnam_r [2020-08-18 20:19:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure tempnam [2020-08-18 20:19:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure fclose [2020-08-18 20:19:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2020-08-18 20:19:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure fflush_unlocked [2020-08-18 20:19:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2020-08-18 20:19:21,198 INFO L130 BoogieDeclarations]: Found specification of procedure freopen [2020-08-18 20:19:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure fdopen [2020-08-18 20:19:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure fmemopen [2020-08-18 20:19:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure open_memstream [2020-08-18 20:19:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure setbuf [2020-08-18 20:19:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure setvbuf [2020-08-18 20:19:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure setbuffer [2020-08-18 20:19:21,199 INFO L130 BoogieDeclarations]: Found specification of procedure setlinebuf [2020-08-18 20:19:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure fprintf [2020-08-18 20:19:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 20:19:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure sprintf [2020-08-18 20:19:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure vfprintf [2020-08-18 20:19:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure vprintf [2020-08-18 20:19:21,200 INFO L130 BoogieDeclarations]: Found specification of procedure vsprintf [2020-08-18 20:19:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-08-18 20:19:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure vsnprintf [2020-08-18 20:19:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure vdprintf [2020-08-18 20:19:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure dprintf [2020-08-18 20:19:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure fscanf [2020-08-18 20:19:21,201 INFO L130 BoogieDeclarations]: Found specification of procedure scanf [2020-08-18 20:19:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure sscanf [2020-08-18 20:19:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure vfscanf [2020-08-18 20:19:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure vscanf [2020-08-18 20:19:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure vsscanf [2020-08-18 20:19:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc [2020-08-18 20:19:21,202 INFO L130 BoogieDeclarations]: Found specification of procedure getc [2020-08-18 20:19:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure getchar [2020-08-18 20:19:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure getc_unlocked [2020-08-18 20:19:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure getchar_unlocked [2020-08-18 20:19:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure fgetc_unlocked [2020-08-18 20:19:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure fputc [2020-08-18 20:19:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure putc [2020-08-18 20:19:21,203 INFO L130 BoogieDeclarations]: Found specification of procedure putchar [2020-08-18 20:19:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure fputc_unlocked [2020-08-18 20:19:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure putc_unlocked [2020-08-18 20:19:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure putchar_unlocked [2020-08-18 20:19:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure getw [2020-08-18 20:19:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure putw [2020-08-18 20:19:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2020-08-18 20:19:21,204 INFO L130 BoogieDeclarations]: Found specification of procedure gets [2020-08-18 20:19:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure __getdelim [2020-08-18 20:19:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure getdelim [2020-08-18 20:19:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure getline [2020-08-18 20:19:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure fputs [2020-08-18 20:19:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2020-08-18 20:19:21,205 INFO L130 BoogieDeclarations]: Found specification of procedure ungetc [2020-08-18 20:19:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure fread [2020-08-18 20:19:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite [2020-08-18 20:19:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure fread_unlocked [2020-08-18 20:19:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure fwrite_unlocked [2020-08-18 20:19:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure fseek [2020-08-18 20:19:21,206 INFO L130 BoogieDeclarations]: Found specification of procedure ftell [2020-08-18 20:19:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure rewind [2020-08-18 20:19:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure fseeko [2020-08-18 20:19:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure ftello [2020-08-18 20:19:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure fgetpos [2020-08-18 20:19:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure fsetpos [2020-08-18 20:19:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr [2020-08-18 20:19:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure feof [2020-08-18 20:19:21,207 INFO L130 BoogieDeclarations]: Found specification of procedure ferror [2020-08-18 20:19:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure clearerr_unlocked [2020-08-18 20:19:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure feof_unlocked [2020-08-18 20:19:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure ferror_unlocked [2020-08-18 20:19:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure perror [2020-08-18 20:19:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure fileno [2020-08-18 20:19:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure fileno_unlocked [2020-08-18 20:19:21,208 INFO L130 BoogieDeclarations]: Found specification of procedure popen [2020-08-18 20:19:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure pclose [2020-08-18 20:19:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure ctermid [2020-08-18 20:19:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure flockfile [2020-08-18 20:19:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure ftrylockfile [2020-08-18 20:19:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure funlockfile [2020-08-18 20:19:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 20:19:21,209 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-18 20:19:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-18 20:19:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 20:19:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-18 20:19:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure memalign [2020-08-18 20:19:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-18 20:19:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure pvalloc [2020-08-18 20:19:21,210 INFO L130 BoogieDeclarations]: Found specification of procedure __default_morecore [2020-08-18 20:19:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure mallinfo [2020-08-18 20:19:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure mallopt [2020-08-18 20:19:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_trim [2020-08-18 20:19:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_usable_size [2020-08-18 20:19:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_stats [2020-08-18 20:19:21,211 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_info [2020-08-18 20:19:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_get_state [2020-08-18 20:19:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure malloc_set_state [2020-08-18 20:19:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure __malloc_check_init [2020-08-18 20:19:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-18 20:19:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2020-08-18 20:19:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure rr_fail_path [2020-08-18 20:19:21,212 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 20:19:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 20:19:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 20:19:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 20:19:21,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 20:19:21,627 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 20:19:21,627 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 20:19:21,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:19:21 BoogieIcfgContainer [2020-08-18 20:19:21,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 20:19:21,633 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 20:19:21,633 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 20:19:21,636 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 20:19:21,637 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 08:19:20" (1/3) ... [2020-08-18 20:19:21,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e23551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:19:21, skipping insertion in model container [2020-08-18 20:19:21,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 08:19:21" (2/3) ... [2020-08-18 20:19:21,638 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e23551 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 08:19:21, skipping insertion in model container [2020-08-18 20:19:21,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 08:19:21" (3/3) ... [2020-08-18 20:19:21,640 INFO L109 eAbstractionObserver]: Analyzing ICFG test_address.i [2020-08-18 20:19:21,651 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 20:19:21,659 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 20:19:21,674 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 20:19:21,696 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 20:19:21,696 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 20:19:21,696 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 20:19:21,697 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 20:19:21,697 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 20:19:21,697 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 20:19:21,697 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 20:19:21,697 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 20:19:21,713 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2020-08-18 20:19:21,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-18 20:19:21,718 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 20:19:21,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 20:19:21,720 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 20:19:21,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 20:19:21,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1486323812, now seen corresponding path program 1 times [2020-08-18 20:19:21,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 20:19:21,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665128205] [2020-08-18 20:19:21,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 20:19:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:19:22,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 20:19:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 20:19:22,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 20:19:22,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665128205] [2020-08-18 20:19:22,085 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 20:19:22,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 20:19:22,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334697802] [2020-08-18 20:19:22,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 20:19:22,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 20:19:22,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 20:19:22,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-08-18 20:19:22,133 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 8 states. [2020-08-18 20:19:22,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 20:19:22,328 INFO L93 Difference]: Finished difference Result 34 states and 33 transitions. [2020-08-18 20:19:22,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-18 20:19:22,330 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 13 [2020-08-18 20:19:22,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 20:19:22,337 INFO L225 Difference]: With dead ends: 34 [2020-08-18 20:19:22,337 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 20:19:22,341 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-08-18 20:19:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 20:19:22,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 20:19:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 20:19:22,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 20:19:22,369 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2020-08-18 20:19:22,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 20:19:22,369 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 20:19:22,369 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 20:19:22,369 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 20:19:22,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 20:19:22,370 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 20:19:22,372 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 20:19:22,453 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:19:22,454 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-18 20:19:22,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:19:22,454 INFO L268 CegarLoopResult]: For program point rr_fail_pathFINAL(lines 867 870) no Hoare annotation was computed. [2020-08-18 20:19:22,454 INFO L271 CegarLoopResult]: At program point rr_fail_pathENTRY(lines 867 870) the Hoare annotation is: true [2020-08-18 20:19:22,455 INFO L264 CegarLoopResult]: At program point L869(line 869) the Hoare annotation is: (or (not (= rr_fail_path_~pi.base 0)) (= |rr_fail_path_#in~pi.base| 0)) [2020-08-18 20:19:22,455 INFO L268 CegarLoopResult]: For program point rr_fail_pathEXIT(lines 867 870) no Hoare annotation was computed. [2020-08-18 20:19:22,455 INFO L271 CegarLoopResult]: At program point list_addENTRY(lines 863 865) the Hoare annotation is: true [2020-08-18 20:19:22,455 INFO L268 CegarLoopResult]: For program point L864(line 864) no Hoare annotation was computed. [2020-08-18 20:19:22,455 INFO L264 CegarLoopResult]: At program point L864-2(line 864) the Hoare annotation is: (= |list_add_#in~new.base| 0) [2020-08-18 20:19:22,455 INFO L268 CegarLoopResult]: For program point L864-3(lines 863 865) no Hoare annotation was computed. [2020-08-18 20:19:22,456 INFO L268 CegarLoopResult]: For program point list_addEXIT(lines 863 865) no Hoare annotation was computed. [2020-08-18 20:19:22,456 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 854) no Hoare annotation was computed. [2020-08-18 20:19:22,456 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 852 855) no Hoare annotation was computed. [2020-08-18 20:19:22,456 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 852 855) no Hoare annotation was computed. [2020-08-18 20:19:22,456 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 852 855) the Hoare annotation is: true [2020-08-18 20:19:22,456 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 20:19:22,457 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-18 20:19:22,457 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 20:19:22,457 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 20:19:22,457 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 873 876) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-08-18 20:19:22,457 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 873 876) no Hoare annotation was computed. [2020-08-18 20:19:22,457 INFO L264 CegarLoopResult]: At program point L875(line 875) the Hoare annotation is: (not (= |main_~#pi~0.base| 0)) [2020-08-18 20:19:22,458 INFO L268 CegarLoopResult]: For program point L875-1(line 875) no Hoare annotation was computed. [2020-08-18 20:19:22,458 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 873 876) no Hoare annotation was computed. [2020-08-18 20:19:22,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 08:19:22 BoogieIcfgContainer [2020-08-18 20:19:22,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 20:19:22,467 INFO L168 Benchmark]: Toolchain (without parser) took 1975.09 ms. Allocated memory was 138.4 MB in the beginning and 232.3 MB in the end (delta: 93.8 MB). Free memory was 100.2 MB in the beginning and 187.7 MB in the end (delta: -87.5 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2020-08-18 20:19:22,468 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-08-18 20:19:22,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.16 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.0 MB in the beginning and 167.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2020-08-18 20:19:22,470 INFO L168 Benchmark]: Boogie Preprocessor took 56.75 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 164.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-08-18 20:19:22,471 INFO L168 Benchmark]: RCFGBuilder took 505.91 ms. Allocated memory is still 200.8 MB. Free memory was 164.0 MB in the beginning and 125.2 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2020-08-18 20:19:22,472 INFO L168 Benchmark]: TraceAbstraction took 831.36 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 124.6 MB in the beginning and 187.7 MB in the end (delta: -63.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 20:19:22,476 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 576.16 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 100.0 MB in the beginning and 167.3 MB in the end (delta: -67.3 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.75 ms. Allocated memory is still 200.8 MB. Free memory was 167.3 MB in the beginning and 164.0 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 505.91 ms. Allocated memory is still 200.8 MB. Free memory was 164.0 MB in the beginning and 125.2 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 831.36 ms. Allocated memory was 200.8 MB in the beginning and 232.3 MB in the end (delta: 31.5 MB). Free memory was 124.6 MB in the beginning and 187.7 MB in the end (delta: -63.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 854]: 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 6 procedures, 25 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, 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, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 10 LocationsWithAnnotation, 10 PreInvPairs, 10 NumberOfFragments, 33 HoareAnnotationTreeSize, 10 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 55 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 432 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...