java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 08:57:41,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 08:57:41,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 08:57:41,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 08:57:41,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 08:57:41,822 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 08:57:41,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 08:57:41,827 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 08:57:41,828 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 08:57:41,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 08:57:41,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 08:57:41,832 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 08:57:41,832 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 08:57:41,833 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 08:57:41,834 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 08:57:41,835 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 08:57:41,836 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 08:57:41,837 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 08:57:41,838 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 08:57:41,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 08:57:41,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 08:57:41,843 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 08:57:41,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 08:57:41,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 08:57:41,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 08:57:41,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 08:57:41,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 08:57:41,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 08:57:41,849 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 08:57:41,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 08:57:41,851 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 08:57:41,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 08:57:41,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 08:57:41,853 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 08:57:41,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 08:57:41,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 08:57:41,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 08:57:41,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 08:57:41,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 08:57:41,856 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 08:57:41,857 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 08:57:41,858 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 08:57:41,874 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 08:57:41,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 08:57:41,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 08:57:41,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 08:57:41,875 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 08:57:41,876 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 08:57:41,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 08:57:41,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 08:57:41,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 08:57:41,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 08:57:41,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 08:57:41,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 08:57:41,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 08:57:41,877 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 08:57:41,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 08:57:41,878 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 08:57:41,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 08:57:41,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 08:57:41,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 08:57:41,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 08:57:41,879 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 08:57:41,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:57:41,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 08:57:41,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 08:57:41,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 08:57:41,880 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 08:57:41,880 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 08:57:41,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 08:57:41,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 08:57:41,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 08:57:41,936 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 08:57:41,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 08:57:41,944 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 08:57:41,944 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 08:57:41,945 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2019-09-06 08:57:42,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a28850e7d/00d4e358997c449a80784b26802d3866/FLAG54ba8f648 [2019-09-06 08:57:42,499 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 08:57:42,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2019-09-06 08:57:42,510 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a28850e7d/00d4e358997c449a80784b26802d3866/FLAG54ba8f648 [2019-09-06 08:57:42,864 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a28850e7d/00d4e358997c449a80784b26802d3866 [2019-09-06 08:57:42,874 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 08:57:42,876 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 08:57:42,879 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 08:57:42,880 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 08:57:42,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 08:57:42,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:57:42" (1/1) ... [2019-09-06 08:57:42,887 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15c59f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:42, skipping insertion in model container [2019-09-06 08:57:42,888 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 08:57:42" (1/1) ... [2019-09-06 08:57:42,895 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 08:57:42,915 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 08:57:43,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:57:43,289 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 08:57:43,334 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 08:57:43,354 INFO L192 MainTranslator]: Completed translation [2019-09-06 08:57:43,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:43 WrapperNode [2019-09-06 08:57:43,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 08:57:43,355 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 08:57:43,355 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 08:57:43,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 08:57:43,366 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:43" (1/1) ... [2019-09-06 08:57:43,366 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:43" (1/1) ... [2019-09-06 08:57:43,377 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:43" (1/1) ... [2019-09-06 08:57:43,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:43" (1/1) ... [2019-09-06 08:57:43,388 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:43" (1/1) ... [2019-09-06 08:57:43,390 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:43" (1/1) ... [2019-09-06 08:57:43,392 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:43" (1/1) ... [2019-09-06 08:57:43,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 08:57:43,400 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 08:57:43,400 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 08:57:43,400 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 08:57:43,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 08:57:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 08:57:43,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 08:57:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 08:57:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-06 08:57:43,460 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2019-09-06 08:57:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2019-09-06 08:57:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2019-09-06 08:57:43,461 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2019-09-06 08:57:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2019-09-06 08:57:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2019-09-06 08:57:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 08:57:43,462 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2019-09-06 08:57:43,463 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 08:57:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-06 08:57:43,464 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-09-06 08:57:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2019-09-06 08:57:43,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-06 08:57:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2019-09-06 08:57:43,467 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2019-09-06 08:57:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-06 08:57:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2019-09-06 08:57:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 08:57:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2019-09-06 08:57:43,468 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2019-09-06 08:57:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2019-09-06 08:57:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-06 08:57:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-06 08:57:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-06 08:57:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 08:57:43,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 08:57:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 08:57:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-06 08:57:43,471 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-06 08:57:43,869 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 08:57:43,870 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 08:57:43,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:57:43 BoogieIcfgContainer [2019-09-06 08:57:43,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 08:57:43,872 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 08:57:43,872 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 08:57:43,872 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 08:57:43,873 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 08:57:43" (1/1) ... [2019-09-06 08:57:43,873 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 08:57:43,895 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 08:57:43,895 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 08:57:43,903 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 08:57:43,914 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 08:57:43,915 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 08:57:43,992 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 44 for LOIs [2019-09-06 08:57:44,181 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 08:57:53,731 WARN L188 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-09-06 08:58:05,084 WARN L188 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-06 08:58:11,098 WARN L188 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2019-09-06 08:58:11,126 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 08:58:11,444 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-06 08:58:14,949 WARN L188 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 58 [2019-09-06 08:58:17,344 WARN L188 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-06 08:58:19,356 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2019-09-06 08:58:20,385 WARN L188 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2019-09-06 08:58:21,014 WARN L188 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2019-09-06 08:58:21,465 WARN L188 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 64 [2019-09-06 08:58:21,618 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-06 08:58:21,683 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-06 08:58:21,698 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-06 08:58:21,712 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2019-09-06 08:58:21,826 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 12 for LOIs [2019-09-06 08:58:21,831 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 08:58:21,832 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 08:58:21,838 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 89#(and (<= |#NULL.base| 0) (<= 0 ~freed_tmp_slot~0) (<= 0 |#NULL.base|) (<= ~freed_tmp_slot~0 0) (<= ~used_tmp_slot~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 ~used_tmp_slot~0)) [2019-09-06 08:58:21,856 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 08:58:21,857 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 08:58:21,863 INFO L168 Benchmark]: Toolchain (without parser) took 38983.16 ms. Allocated memory was 134.7 MB in the beginning and 293.1 MB in the end (delta: 158.3 MB). Free memory was 90.4 MB in the beginning and 227.4 MB in the end (delta: -136.9 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:21,864 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 08:58:21,868 INFO L168 Benchmark]: CACSL2BoogieTranslator took 475.27 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 90.2 MB in the beginning and 174.4 MB in the end (delta: -84.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:21,870 INFO L168 Benchmark]: Boogie Preprocessor took 40.77 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 172.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:21,871 INFO L168 Benchmark]: RCFGBuilder took 471.86 ms. Allocated memory is still 199.2 MB. Free memory was 172.6 MB in the beginning and 149.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:21,871 INFO L168 Benchmark]: Sifa took 37985.21 ms. Allocated memory was 199.2 MB in the beginning and 293.1 MB in the end (delta: 93.8 MB). Free memory was 149.8 MB in the beginning and 227.4 MB in the end (delta: -77.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-06 08:58:21,873 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 134.7 MB. Free memory was 109.0 MB in the beginning and 108.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 475.27 ms. Allocated memory was 134.7 MB in the beginning and 199.2 MB in the end (delta: 64.5 MB). Free memory was 90.2 MB in the beginning and 174.4 MB in the end (delta: -84.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.77 ms. Allocated memory is still 199.2 MB. Free memory was 174.4 MB in the beginning and 172.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 471.86 ms. Allocated memory is still 199.2 MB. Free memory was 172.6 MB in the beginning and 149.8 MB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Sifa took 37985.21 ms. Allocated memory was 199.2 MB in the beginning and 293.1 MB in the end (delta: 93.8 MB). Free memory was 149.8 MB in the beginning and 227.4 MB in the end (delta: -77.6 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 37943, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 59, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 46, TOOLS_POST_TIME[ms]: 13279, TOOLS_POST_CALL_APPLICATIONS: 12, TOOLS_POST_CALL_TIME[ms]: 24265, TOOLS_POST_RETURN_APPLICATIONS: 10, TOOLS_POST_RETURN_TIME[ms]: 83, TOOLS_QUANTIFIERELIM_TIME[ms]: 37578, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 17, DOMAIN_JOIN_TIME[ms]: 38, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 148, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 6, DOMAIN_ISBOTTOM_APPLICATIONS: 6, DOMAIN_ISBOTTOM_TIME[ms]: 26, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 10, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 37837, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 21, DAG_COMPRESSION_PROCESSED_NODES: 148, DAG_COMPRESSION_RETAINED_NODES: 78 - UnprovableResult [Line: 6]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 89#(and (<= |#NULL.base| 0) (<= 0 ~freed_tmp_slot~0) (<= 0 |#NULL.base|) (<= ~freed_tmp_slot~0 0) (<= ~used_tmp_slot~0 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0) (<= 0 ~used_tmp_slot~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...