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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/ex3_forlist.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:26:59,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:26:59,878 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:26:59,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:26:59,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:26:59,897 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:26:59,898 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:26:59,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:26:59,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:26:59,910 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:26:59,911 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:26:59,912 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:26:59,912 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:26:59,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:26:59,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:26:59,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:26:59,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:26:59,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:26:59,919 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:26:59,921 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:26:59,922 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:26:59,923 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:26:59,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:26:59,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:26:59,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 19:26:59,929 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 19:26:59,929 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 19:26:59,930 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 19:26:59,931 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 19:26:59,934 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 19:26:59,934 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 19:26:59,935 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 19:26:59,936 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 19:26:59,937 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 19:26:59,938 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 19:26:59,938 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 19:26:59,939 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 19:26:59,939 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 19:26:59,939 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:26:59,940 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:26:59,941 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:26:59,942 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 [2019-09-20 19:26:59,956 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:26:59,956 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:26:59,957 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:26:59,957 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:26:59,958 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:26:59,958 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:26:59,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:26:59,958 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:26:59,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:26:59,959 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:26:59,959 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:26:59,959 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:26:59,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:26:59,959 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:26:59,960 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:26:59,960 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:26:59,960 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:26:59,960 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:26:59,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:26:59,961 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:26:59,961 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:26:59,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:26:59,961 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:26:59,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:26:59,962 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:26:59,962 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:26:59,962 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:26:59,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:26:59,962 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 19:26:59,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:27:00,006 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:27:00,010 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:27:00,011 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:27:00,012 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:27:00,012 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/ex3_forlist.i [2019-09-20 19:27:00,079 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054aed0a3/40cb1685657d476ebd0dbca586ea13ac/FLAG3cfa271cf [2019-09-20 19:27:00,512 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:27:00,512 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/ex3_forlist.i [2019-09-20 19:27:00,519 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054aed0a3/40cb1685657d476ebd0dbca586ea13ac/FLAG3cfa271cf [2019-09-20 19:27:00,924 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/054aed0a3/40cb1685657d476ebd0dbca586ea13ac [2019-09-20 19:27:00,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:27:00,936 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:27:00,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:00,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:27:00,941 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:27:00,942 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:00" (1/1) ... [2019-09-20 19:27:00,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e00ab7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:00, skipping insertion in model container [2019-09-20 19:27:00,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:00" (1/1) ... [2019-09-20 19:27:00,954 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:27:00,973 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:27:01,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:01,186 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:27:01,207 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:01,315 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:27:01,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:01 WrapperNode [2019-09-20 19:27:01,316 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:01,317 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:27:01,317 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:27:01,317 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:27:01,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:01" (1/1) ... [2019-09-20 19:27:01,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:01" (1/1) ... [2019-09-20 19:27:01,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:01" (1/1) ... [2019-09-20 19:27:01,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:01" (1/1) ... [2019-09-20 19:27:01,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:01" (1/1) ... [2019-09-20 19:27:01,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:01" (1/1) ... [2019-09-20 19:27:01,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:01" (1/1) ... [2019-09-20 19:27:01,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:27:01,369 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:27:01,369 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:27:01,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:27:01,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:01" (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 [2019-09-20 19:27:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:27:01,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:27:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 19:27:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 19:27:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 19:27:01,434 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-20 19:27:01,435 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc [2019-09-20 19:27:01,436 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:27:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:27:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 19:27:01,436 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 19:27:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:27:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:27:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 19:27:01,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:27:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-20 19:27:01,438 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:27:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 19:27:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:27:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:27:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:27:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 19:27:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:27:01,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:27:01,440 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:27:01,836 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:27:01,837 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 19:27:01,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:01 BoogieIcfgContainer [2019-09-20 19:27:01,839 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:27:01,839 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:27:01,839 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:27:01,839 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:27:01,841 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:01" (1/1) ... [2019-09-20 19:27:01,841 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:27:01,873 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:27:01,873 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:27:01,882 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:27:01,891 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:27:01,893 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:27:02,437 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2019-09-20 19:27:02,603 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 19:27:03,107 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2019-09-20 19:27:03,459 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 19:27:03,757 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-09-20 19:27:04,036 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2019-09-20 19:27:04,325 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 19:27:04,430 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 19:27:04,464 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:04,471 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:04,476 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:04,481 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-20 19:27:04,916 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2019-09-20 19:27:05,209 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-20 19:27:05,481 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2019-09-20 19:27:05,767 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2019-09-20 19:27:06,791 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2019-09-20 19:27:07,293 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 19:27:07,570 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 19:27:07,961 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2019-09-20 19:27:08,076 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-09-20 19:27:09,522 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2019-09-20 19:27:09,696 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-20 19:27:09,855 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 51 [2019-09-20 19:27:10,014 WARN L191 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 55 [2019-09-20 19:27:10,454 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 19:27:10,923 WARN L191 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 19:27:11,080 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:27:11,282 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2019-09-20 19:27:11,492 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 51 [2019-09-20 19:27:11,873 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2019-09-20 19:27:12,351 WARN L191 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 62 [2019-09-20 19:27:12,505 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2019-09-20 19:27:12,732 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 50 [2019-09-20 19:27:12,928 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 19:27:13,220 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 19:27:13,608 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2019-09-20 19:27:14,136 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-20 19:27:14,180 INFO L199 IcfgInterpreter]: Interpreting procedure g with input of size 48 for LOIs [2019-09-20 19:27:14,345 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 19:27:14,774 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 19:27:14,950 WARN L191 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 19:27:15,170 WARN L191 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-20 19:27:15,445 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:27:15,643 WARN L191 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 19:27:16,341 WARN L191 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-20 19:27:16,443 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 19:27:16,844 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-20 19:27:16,962 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 19:27:17,315 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 19:27:17,687 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 19:27:18,429 WARN L191 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 19:27:19,096 WARN L191 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 19:27:20,803 WARN L191 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 19:27:21,480 WARN L191 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 19:27:21,994 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-20 19:27:22,456 WARN L191 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2019-09-20 19:27:22,834 WARN L191 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 66 [2019-09-20 19:27:22,835 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 66 for LOIs [2019-09-20 19:27:22,997 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 19:27:23,026 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:27:23,026 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:27:23,029 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 414#(and (= |#NULL.base| 0) (= |~#pstate~0.offset| 0) (= |~#pp~0.offset| 0) (= |#NULL.offset| 0)) [2019-09-20 19:27:23,039 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:27:23,040 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:27:23,041 INFO L168 Benchmark]: Toolchain (without parser) took 22105.49 ms. Allocated memory was 135.3 MB in the beginning and 387.4 MB in the end (delta: 252.2 MB). Free memory was 89.5 MB in the beginning and 260.5 MB in the end (delta: -171.0 MB). Peak memory consumption was 81.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:23,041 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:27:23,042 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.24 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 89.1 MB in the beginning and 177.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:23,042 INFO L168 Benchmark]: Boogie Preprocessor took 51.85 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:23,042 INFO L168 Benchmark]: RCFGBuilder took 469.85 ms. Allocated memory is still 200.8 MB. Free memory was 175.1 MB in the beginning and 151.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:23,043 INFO L168 Benchmark]: Sifa took 21200.69 ms. Allocated memory was 200.8 MB in the beginning and 387.4 MB in the end (delta: 186.6 MB). Free memory was 150.6 MB in the beginning and 260.5 MB in the end (delta: -109.9 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:23,044 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 135.3 MB. Free memory was 108.4 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 379.24 ms. Allocated memory was 135.3 MB in the beginning and 200.8 MB in the end (delta: 65.5 MB). Free memory was 89.1 MB in the beginning and 177.8 MB in the end (delta: -88.7 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.85 ms. Allocated memory is still 200.8 MB. Free memory was 177.8 MB in the beginning and 175.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 469.85 ms. Allocated memory is still 200.8 MB. Free memory was 175.1 MB in the beginning and 151.2 MB in the end (delta: 23.9 MB). Peak memory consumption was 23.9 MB. Max. memory is 7.1 GB. * Sifa took 21200.69 ms. Allocated memory was 200.8 MB in the beginning and 387.4 MB in the end (delta: 186.6 MB). Free memory was 150.6 MB in the beginning and 260.5 MB in the end (delta: -109.9 MB). Peak memory consumption was 76.7 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]: 21156, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 288, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 251, TOOLS_POST_TIME[ms]: 10764, TOOLS_POST_CALL_APPLICATIONS: 17, TOOLS_POST_CALL_TIME[ms]: 2207, TOOLS_POST_RETURN_APPLICATIONS: 13, TOOLS_POST_RETURN_TIME[ms]: 21, TOOLS_QUANTIFIERELIM_APPLICATIONS: 280, TOOLS_QUANTIFIERELIM_TIME[ms]: 12902, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1655, FLUID_QUERY_TIME[ms]: 12, FLUID_QUERIES: 306, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 49, DOMAIN_JOIN_TIME[ms]: 6040, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME[ms]: 1894, DOMAIN_ISSUBSETEQ_APPLICATIONS: 18, DOMAIN_ISSUBSETEQ_TIME[ms]: 23, DOMAIN_ISBOTTOM_APPLICATIONS: 19, DOMAIN_ISBOTTOM_TIME[ms]: 64, LOOP_SUMMARIZER_APPLICATIONS: 13, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11283, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11282, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 18, CALL_SUMMARIZER_APPLICATIONS: 13, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 10650, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10650, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 37, DAG_COMPRESSION_PROCESSED_NODES: 325, DAG_COMPRESSION_RETAINED_NODES: 177 - 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 414#(and (= |#NULL.base| 0) (= |~#pstate~0.offset| 0) (= |~#pp~0.offset| 0) (= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...