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 --sifa.simplification.technique SIMPLIFY_DDA -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a2187f8 [2019-09-02 15:15:30,028 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-02 15:15:30,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-02 15:15:30,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-02 15:15:30,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-02 15:15:30,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-02 15:15:30,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-02 15:15:30,046 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-02 15:15:30,047 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-02 15:15:30,048 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-02 15:15:30,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-02 15:15:30,050 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-02 15:15:30,050 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-02 15:15:30,051 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-02 15:15:30,052 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-02 15:15:30,053 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-02 15:15:30,054 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-02 15:15:30,055 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-02 15:15:30,056 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-02 15:15:30,058 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-02 15:15:30,059 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-02 15:15:30,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-02 15:15:30,061 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-02 15:15:30,062 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-02 15:15:30,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-02 15:15:30,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-02 15:15:30,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-02 15:15:30,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-02 15:15:30,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-02 15:15:30,066 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-02 15:15:30,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-02 15:15:30,067 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-02 15:15:30,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-02 15:15:30,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-02 15:15:30,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-02 15:15:30,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-02 15:15:30,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-02 15:15:30,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-02 15:15:30,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-02 15:15:30,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-02 15:15:30,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-02 15:15:30,073 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 [2019-09-02 15:15:30,086 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-02 15:15:30,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-02 15:15:30,088 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-02 15:15:30,088 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-02 15:15:30,088 INFO L138 SettingsManager]: * Use SBE=true [2019-09-02 15:15:30,088 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-02 15:15:30,089 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-02 15:15:30,089 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-02 15:15:30,089 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-02 15:15:30,089 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-02 15:15:30,089 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-02 15:15:30,089 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-02 15:15:30,090 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-02 15:15:30,090 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-02 15:15:30,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-02 15:15:30,090 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-02 15:15:30,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-02 15:15:30,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-02 15:15:30,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-02 15:15:30,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-02 15:15:30,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-02 15:15:30,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-02 15:15:30,092 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-02 15:15:30,092 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-02 15:15:30,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-02 15:15:30,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-02 15:15:30,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-02 15:15:30,093 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-02 15:15:30,093 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: Simplification Technique -> SIMPLIFY_DDA [2019-09-02 15:15:30,123 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-02 15:15:30,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-02 15:15:30,141 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-02 15:15:30,142 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-02 15:15:30,143 INFO L275 PluginConnector]: CDTParser initialized [2019-09-02 15:15:30,143 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-02 15:15:30,210 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11804e26/6a2b90d8c9af4017a9634d1af16affb8/FLAG47a09a08b [2019-09-02 15:15:30,652 INFO L306 CDTParser]: Found 1 translation units. [2019-09-02 15:15:30,652 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c [2019-09-02 15:15:30,659 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11804e26/6a2b90d8c9af4017a9634d1af16affb8/FLAG47a09a08b [2019-09-02 15:15:31,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b11804e26/6a2b90d8c9af4017a9634d1af16affb8 [2019-09-02 15:15:31,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-02 15:15:31,084 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-02 15:15:31,085 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:31,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-02 15:15:31,089 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-02 15:15:31,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@180dd6be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31, skipping insertion in model container [2019-09-02 15:15:31,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,101 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-02 15:15:31,121 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-02 15:15:31,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:31,332 INFO L188 MainTranslator]: Completed pre-run [2019-09-02 15:15:31,355 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-02 15:15:31,460 INFO L192 MainTranslator]: Completed translation [2019-09-02 15:15:31,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31 WrapperNode [2019-09-02 15:15:31,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-02 15:15:31,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-02 15:15:31,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-02 15:15:31,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-02 15:15:31,471 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,480 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,496 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-02 15:15:31,501 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-02 15:15:31,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-02 15:15:31,503 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-02 15:15:31,504 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.09 03:15:31" (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 [2019-09-02 15:15:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-02 15:15:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-02 15:15:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-02 15:15:31,562 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-02 15:15:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-02 15:15:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-02 15:15:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-02 15:15:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-02 15:15:31,563 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-02 15:15:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-02 15:15:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-02 15:15:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-02 15:15:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-02 15:15:31,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-02 15:15:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-02 15:15:31,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-02 15:15:31,868 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-02 15:15:31,868 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-02 15:15:31,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:31 BoogieIcfgContainer [2019-09-02 15:15:31,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-02 15:15:31,877 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-02 15:15:31,877 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-02 15:15:31,878 INFO L275 PluginConnector]: Sifa initialized [2019-09-02 15:15:31,879 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.09 03:15:31" (1/1) ... [2019-09-02 15:15:31,880 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-02 15:15:31,943 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-02 15:15:31,944 INFO L169 IcfgInterpreter]: Building call graph [2019-09-02 15:15:31,951 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-02 15:15:31,960 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-02 15:15:31,962 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-02 15:15:32,174 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-02 15:15:33,173 WARN L188 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 201 [2019-09-02 15:15:33,843 WARN L188 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2019-09-02 15:15:34,511 WARN L188 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 287 [2019-09-02 15:15:34,633 WARN L188 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 287 [2019-09-02 15:15:35,472 WARN L188 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2019-09-02 15:15:35,589 WARN L188 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2019-09-02 15:15:35,893 WARN L188 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 374 [2019-09-02 15:15:37,363 WARN L188 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 463 DAG size of output: 390 [2019-09-02 15:15:37,968 WARN L188 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-09-02 15:15:38,145 WARN L188 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 390 [2019-09-02 15:15:39,654 WARN L188 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-02 15:15:39,911 WARN L188 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-02 15:15:40,143 WARN L188 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2019-09-02 15:15:43,338 WARN L188 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 622 DAG size of output: 512 [2019-09-02 15:15:43,803 WARN L188 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-02 15:15:44,650 WARN L188 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 512 [2019-09-02 15:15:47,672 WARN L188 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-09-02 15:15:48,394 WARN L188 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-09-02 15:15:48,833 WARN L188 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 636 [2019-09-02 15:15:58,789 WARN L188 SmtUtils]: Spent 9.06 s on a formula simplification that was a NOOP. DAG size: 809 [2019-09-02 15:15:59,517 WARN L188 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2019-09-02 15:15:59,674 WARN L188 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 55 [2019-09-02 15:16:00,070 WARN L188 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-02 15:16:00,198 WARN L188 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-02 15:16:00,443 WARN L188 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 60 [2019-09-02 15:16:00,664 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-02 15:16:00,769 WARN L188 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-09-02 15:16:00,980 WARN L188 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2019-09-02 15:16:01,299 WARN L188 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 64 [2019-09-02 15:16:01,453 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-02 15:16:01,453 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-02 15:16:01,455 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 157#(and (<= 10 main_~j~0) (not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|) 4))))) [2019-09-02 15:16:01,471 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-02 15:16:01,471 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-02 15:16:01,479 INFO L168 Benchmark]: Toolchain (without parser) took 30389.10 ms. Allocated memory was 132.1 MB in the beginning and 320.9 MB in the end (delta: 188.7 MB). Free memory was 87.3 MB in the beginning and 156.9 MB in the end (delta: -69.5 MB). Peak memory consumption was 119.2 MB. Max. memory is 7.1 GB. [2019-09-02 15:16:01,480 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-02 15:16:01,484 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.26 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.1 MB in the beginning and 175.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2019-09-02 15:16:01,485 INFO L168 Benchmark]: Boogie Preprocessor took 39.75 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 173.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-02 15:16:01,487 INFO L168 Benchmark]: RCFGBuilder took 372.84 ms. Allocated memory is still 199.2 MB. Free memory was 173.2 MB in the beginning and 156.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-09-02 15:16:01,491 INFO L168 Benchmark]: Sifa took 29594.34 ms. Allocated memory was 199.2 MB in the beginning and 320.9 MB in the end (delta: 121.6 MB). Free memory was 156.5 MB in the beginning and 156.9 MB in the end (delta: -348.7 kB). Peak memory consumption was 121.3 MB. Max. memory is 7.1 GB. [2019-09-02 15:16:01,499 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 375.26 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.1 MB in the beginning and 175.1 MB in the end (delta: -88.0 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 39.75 ms. Allocated memory is still 199.2 MB. Free memory was 175.1 MB in the beginning and 173.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 372.84 ms. Allocated memory is still 199.2 MB. Free memory was 173.2 MB in the beginning and 156.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * Sifa took 29594.34 ms. Allocated memory was 199.2 MB in the beginning and 320.9 MB in the end (delta: 121.6 MB). Free memory was 156.5 MB in the beginning and 156.9 MB in the end (delta: -348.7 kB). Peak memory consumption was 121.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions 29.5s OVERALL_TIME, 2 ICFG_INTERPRETER_ENTERED_PROCEDURES, 49 DAG_INTERPRETER_EARLY_EXIT_QUERIES, 3 DAG_INTERPRETER_EARLY_EXITS, 44 TOOLS_POST_APPLICATIONS, 4.7s TOOLS_POST_TIME, 3 TOOLS_POST_CALL_APPLICATIONS, 0.0s TOOLS_POST_CALL_TIME, 2 TOOLS_POST_RETURN_APPLICATIONS, 0.0s TOOLS_POST_RETURN_TIME, 4.8s TOOLS_QUANTIFIERELIM_TIME, 0.0s FLUID_QUERY_TIME, 60 FLUID_QUERIES, 0 FLUID_YES_ANSWERS, 16 DOMAIN_JOIN_APPLICATIONS, 5.2s DOMAIN_JOIN_TIME, 0 DOMAIN_ALPHA_APPLICATIONS, 0.0s DOMAIN_ALPHA_TIME, 9 DOMAIN_WIDEN_APPLICATIONS, 17.5s DOMAIN_WIDEN_TIME, 11 DOMAIN_ISSUBSETEQ_APPLICATIONS, 1.8s DOMAIN_ISSUBSETEQ_TIME, 7 DOMAIN_ISBOTTOM_APPLICATIONS, 0.0s DOMAIN_ISBOTTOM_TIME, 2 LOOP_SUMMARIZER_APPLICATIONS, 2 LOOP_SUMMARIZER_CACHE_MISSES, 29.0s LOOP_SUMMARIZER_OVERALL_TIME, 29.0s LOOP_SUMMARIZER_NEW_COMPUTATION_TIME, 11 LOOP_SUMMARIZER_FIXPOINT_ITERATIONS, 2 CALL_SUMMARIZER_APPLICATIONS, 0 CALL_SUMMARIZER_CACHE_MISSES, 0.2s CALL_SUMMARIZER_OVERALL_TIME, 0.0s CALL_SUMMARIZER_NEW_COMPUTATION_TIME, 0.0s PROCEDURE_GRAPH_BUILDER_TIME, 0.0s PATH_EXPR_TIME, 0.0s REGEX_TO_DAG_TIME, 0.0s DAG_COMPRESSION_TIME, 209 DAG_COMPRESSION_PROCESSED_NODES, 71 DAG_COMPRESSION_RETAINED_NODES - UnprovableResult [Line: 48]: 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 157#(and (<= 10 main_~j~0) (not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|) 4))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...