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 LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/ex3_forlist.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:19:28,529 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:19:28,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:19:28,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:19:28,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:19:28,555 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:19:28,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:19:28,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:19:28,569 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:19:28,570 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:19:28,571 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:19:28,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:19:28,574 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:19:28,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:19:28,578 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:19:28,580 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:19:28,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:19:28,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:19:28,586 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:19:28,588 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:19:28,591 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:19:28,593 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:19:28,594 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:19:28,595 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:19:28,597 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:19:28,597 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:19:28,597 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:19:28,598 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:19:28,599 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:19:28,600 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 23:19:28,600 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 23:19:28,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 23:19:28,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 23:19:28,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 23:19:28,603 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 23:19:28,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 23:19:28,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 23:19:28,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 23:19:28,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:19:28,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:19:28,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:19:28,606 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 23:19:28,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:19:28,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:19:28,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:19:28,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:19:28,623 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:19:28,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:19:28,623 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:19:28,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:19:28,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:19:28,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:19:28,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:19:28,624 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:19:28,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:19:28,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:19:28,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:19:28,625 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:19:28,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:19:28,626 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:19:28,626 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:19:28,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:19:28,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:19:28,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:19:28,627 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:19:28,627 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:19:28,627 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:19:28,627 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:19:28,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:19:28,628 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:19:28,628 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 -> LoopFreeBlock 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 23:19:28,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:19:28,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:19:28,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:19:28,678 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:19:28,678 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:19:28,679 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/ex3_forlist.i [2019-09-20 23:19:28,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5b0e595/6909e6e98bb94b0fb3a262cebe61f65e/FLAG8a66947a1 [2019-09-20 23:19:29,208 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:19:29,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/ex3_forlist.i [2019-09-20 23:19:29,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5b0e595/6909e6e98bb94b0fb3a262cebe61f65e/FLAG8a66947a1 [2019-09-20 23:19:29,553 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d5b0e595/6909e6e98bb94b0fb3a262cebe61f65e [2019-09-20 23:19:29,562 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:19:29,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:19:29,565 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:29,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:19:29,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:19:29,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:29" (1/1) ... [2019-09-20 23:19:29,573 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66eca274 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29, skipping insertion in model container [2019-09-20 23:19:29,574 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:19:29" (1/1) ... [2019-09-20 23:19:29,579 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:19:29,596 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:19:29,788 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:29,795 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:19:29,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:19:29,839 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:19:29,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29 WrapperNode [2019-09-20 23:19:29,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:19:29,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:19:29,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:19:29,841 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:19:29,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29" (1/1) ... [2019-09-20 23:19:29,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29" (1/1) ... [2019-09-20 23:19:29,949 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29" (1/1) ... [2019-09-20 23:19:29,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29" (1/1) ... [2019-09-20 23:19:29,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29" (1/1) ... [2019-09-20 23:19:29,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29" (1/1) ... [2019-09-20 23:19:29,982 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29" (1/1) ... [2019-09-20 23:19:29,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:19:29,989 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:19:29,989 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:19:29,990 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:19:29,990 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:19:29" (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 23:19:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:19:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:19:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2019-09-20 23:19:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-20 23:19:30,051 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 23:19:30,052 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-20 23:19:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure malloc [2019-09-20 23:19:30,055 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:19:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:19:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2019-09-20 23:19:30,055 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-20 23:19:30,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 23:19:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 23:19:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 23:19:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 23:19:30,057 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-20 23:19:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 23:19:30,058 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 23:19:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:19:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:19:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 23:19:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 23:19:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 23:19:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:19:30,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 23:19:30,524 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:19:30,525 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-20 23:19:30,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:30 BoogieIcfgContainer [2019-09-20 23:19:30,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:19:30,527 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:19:30,527 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:19:30,527 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:19:30,528 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:19:30" (1/1) ... [2019-09-20 23:19:30,529 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-20 23:19:30,557 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:19:30,557 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:19:30,569 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:19:30,580 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:19:30,581 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:19:30,995 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2019-09-20 23:19:31,157 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 23:19:32,236 WARN L191 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-20 23:19:32,734 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2019-09-20 23:19:33,022 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 23:19:33,344 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2019-09-20 23:19:35,416 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 38 [2019-09-20 23:19:36,264 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2019-09-20 23:19:36,447 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2019-09-20 23:19:36,617 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 51 [2019-09-20 23:19:36,824 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 56 [2019-09-20 23:19:37,131 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 23:19:37,327 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 23:19:37,527 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 23:19:37,799 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 23:19:38,167 WARN L191 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-20 23:19:38,281 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 23:19:38,482 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 51 [2019-09-20 23:19:38,672 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 51 [2019-09-20 23:19:39,018 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-09-20 23:19:39,338 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-09-20 23:19:39,616 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2019-09-20 23:19:40,050 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 23:19:40,410 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 66 [2019-09-20 23:19:40,534 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2019-09-20 23:19:40,666 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2019-09-20 23:19:40,893 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 51 [2019-09-20 23:19:41,430 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2019-09-20 23:19:41,468 INFO L199 IcfgInterpreter]: Interpreting procedure g with input of size 48 for LOIs [2019-09-20 23:19:41,599 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 72 [2019-09-20 23:19:42,044 WARN L191 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 75 [2019-09-20 23:19:42,214 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-20 23:19:42,410 WARN L191 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 77 [2019-09-20 23:19:42,679 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 23:19:42,868 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-20 23:19:43,571 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-20 23:19:44,045 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2019-09-20 23:19:44,492 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 23:19:44,844 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-20 23:19:45,644 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 23:19:46,315 WARN L191 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 23:19:47,702 WARN L191 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-09-20 23:19:48,514 WARN L191 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2019-09-20 23:19:48,795 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 157 [2019-09-20 23:19:48,822 INFO L199 IcfgInterpreter]: Interpreting procedure __blast_assert with input of size 13 for LOIs [2019-09-20 23:19:48,827 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:19:48,827 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:19:48,828 INFO L193 IcfgInterpreter]: Reachable states at location __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 250#(exists ((v_g_~i~2_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_int| |~#pstate~0.base|) (+ |~#pstate~0.offset| (* 4 v_g_~i~2_BEFORE_CALL_7))) 1))) [2019-09-20 23:19:48,840 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:19:48,840 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:19:48,841 INFO L168 Benchmark]: Toolchain (without parser) took 19278.13 ms. Allocated memory was 133.7 MB in the beginning and 379.1 MB in the end (delta: 245.4 MB). Free memory was 90.1 MB in the beginning and 308.9 MB in the end (delta: -218.8 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:48,842 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 23:19:48,842 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.67 ms. Allocated memory is still 133.7 MB. Free memory was 90.1 MB in the beginning and 79.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:48,842 INFO L168 Benchmark]: Boogie Preprocessor took 144.48 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 79.3 MB in the beginning and 175.8 MB in the end (delta: -96.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:48,843 INFO L168 Benchmark]: RCFGBuilder took 537.16 ms. Allocated memory is still 200.8 MB. Free memory was 175.8 MB in the beginning and 150.5 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:48,843 INFO L168 Benchmark]: Sifa took 18313.28 ms. Allocated memory was 200.8 MB in the beginning and 379.1 MB in the end (delta: 178.3 MB). Free memory was 150.5 MB in the beginning and 308.9 MB in the end (delta: -158.5 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2019-09-20 23:19:48,845 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.67 ms. Allocated memory is still 133.7 MB. Free memory was 90.1 MB in the beginning and 79.3 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 144.48 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 79.3 MB in the beginning and 175.8 MB in the end (delta: -96.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 537.16 ms. Allocated memory is still 200.8 MB. Free memory was 175.8 MB in the beginning and 150.5 MB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Sifa took 18313.28 ms. Allocated memory was 200.8 MB in the beginning and 379.1 MB in the end (delta: 178.3 MB). Free memory was 150.5 MB in the beginning and 308.9 MB in the end (delta: -158.5 MB). Peak memory consumption was 19.8 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]: 18272, ICFG_INTERPRETER_ENTERED_PROCEDURES: 4, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 134, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 99, TOOLS_POST_TIME[ms]: 10011, TOOLS_POST_CALL_APPLICATIONS: 17, TOOLS_POST_CALL_TIME[ms]: 1757, TOOLS_POST_RETURN_APPLICATIONS: 13, TOOLS_POST_RETURN_TIME[ms]: 26, TOOLS_QUANTIFIERELIM_APPLICATIONS: 129, TOOLS_QUANTIFIERELIM_TIME[ms]: 11722, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 1831, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 154, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 43, DOMAIN_JOIN_TIME[ms]: 4562, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 8, DOMAIN_WIDEN_TIME[ms]: 1753, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 27, DOMAIN_ISBOTTOM_APPLICATIONS: 12, DOMAIN_ISBOTTOM_TIME[ms]: 32, LOOP_SUMMARIZER_APPLICATIONS: 12, LOOP_SUMMARIZER_CACHE_MISSES: 12, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 11079, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 11079, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 13, CALL_SUMMARIZER_CACHE_MISSES: 6, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9308, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 9308, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 167, DAG_COMPRESSION_RETAINED_NODES: 88 - 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 250#(exists ((v_g_~i~2_BEFORE_CALL_7 Int)) (not (= (select (select |#memory_int| |~#pstate~0.base|) (+ |~#pstate~0.offset| (* 4 v_g_~i~2_BEFORE_CALL_7))) 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...