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/test22-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 22:05:33,655 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 22:05:33,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 22:05:33,671 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 22:05:33,671 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 22:05:33,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 22:05:33,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 22:05:33,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 22:05:33,686 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 22:05:33,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 22:05:33,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 22:05:33,692 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 22:05:33,692 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 22:05:33,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 22:05:33,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 22:05:33,695 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 22:05:33,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 22:05:33,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 22:05:33,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 22:05:33,705 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 22:05:33,707 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 22:05:33,708 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 22:05:33,709 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 22:05:33,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 22:05:33,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-19 22:05:33,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 22:05:33,715 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 22:05:33,716 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 22:05:33,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 22:05:33,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 22:05:33,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 22:05:33,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 22:05:33,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 22:05:33,719 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 22:05:33,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 22:05:33,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 22:05:33,722 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 [2019-09-19 22:05:33,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 22:05:33,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 22:05:33,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 22:05:33,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 22:05:33,741 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 22:05:33,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 22:05:33,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 22:05:33,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 22:05:33,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 22:05:33,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 22:05:33,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 22:05:33,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 22:05:33,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 22:05:33,744 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 22:05:33,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 22:05:33,745 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 22:05:33,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 22:05:33,747 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 22:05:33,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 22:05:33,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 22:05:33,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 22:05:33,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 22:05:33,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 22:05:33,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 22:05:33,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 22:05:33,749 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 22:05:33,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 22:05:33,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 22:05:33,749 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 [2019-09-19 22:05:33,788 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 22:05:33,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 22:05:33,815 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 22:05:33,817 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 22:05:33,818 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 22:05:33,818 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-19 22:05:33,900 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b463e1ca/99538645ad16449ea0fbf3ba376fa551/FLAGe286dcea7 [2019-09-19 22:05:34,363 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 22:05:34,364 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-1.c [2019-09-19 22:05:34,371 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b463e1ca/99538645ad16449ea0fbf3ba376fa551/FLAGe286dcea7 [2019-09-19 22:05:34,718 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b463e1ca/99538645ad16449ea0fbf3ba376fa551 [2019-09-19 22:05:34,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 22:05:34,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 22:05:34,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 22:05:34,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 22:05:34,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 22:05:34,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:05:34" (1/1) ... [2019-09-19 22:05:34,738 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b27c755 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:34, skipping insertion in model container [2019-09-19 22:05:34,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 10:05:34" (1/1) ... [2019-09-19 22:05:34,747 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 22:05:34,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 22:05:35,010 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:05:35,022 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 22:05:35,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 22:05:35,223 INFO L192 MainTranslator]: Completed translation [2019-09-19 22:05:35,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:35 WrapperNode [2019-09-19 22:05:35,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 22:05:35,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 22:05:35,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 22:05:35,225 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 22:05:35,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:35" (1/1) ... [2019-09-19 22:05:35,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:35" (1/1) ... [2019-09-19 22:05:35,252 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:35" (1/1) ... [2019-09-19 22:05:35,254 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:35" (1/1) ... [2019-09-19 22:05:35,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:35" (1/1) ... [2019-09-19 22:05:35,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:35" (1/1) ... [2019-09-19 22:05:35,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:35" (1/1) ... [2019-09-19 22:05:35,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 22:05:35,290 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 22:05:35,290 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 22:05:35,290 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 22:05:35,291 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 10:05:35" (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 [2019-09-19 22:05:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 22:05:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 22:05:35,350 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-19 22:05:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-09-19 22:05:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-19 22:05:35,351 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 22:05:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 22:05:35,351 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-19 22:05:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-19 22:05:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-19 22:05:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 22:05:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-09-19 22:05:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-19 22:05:35,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 22:05:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 22:05:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 22:05:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 22:05:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 22:05:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 22:05:35,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 22:05:35,786 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 22:05:35,786 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-19 22:05:35,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:05:35 BoogieIcfgContainer [2019-09-19 22:05:35,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 22:05:35,788 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 22:05:35,788 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 22:05:35,789 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 22:05:35,790 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 10:05:35" (1/1) ... [2019-09-19 22:05:35,791 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 [2019-09-19 22:05:35,817 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 22:05:35,818 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 22:05:35,832 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 22:05:35,841 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 22:05:35,843 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 22:05:36,252 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-09-19 22:05:36,391 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 47 for LOIs [2019-09-19 22:05:36,615 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-09-19 22:05:36,781 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-09-19 22:05:37,609 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 103 [2019-09-19 22:05:37,806 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-19 22:05:38,536 WARN L191 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 108 [2019-09-19 22:05:38,937 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-19 22:05:39,689 WARN L191 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2019-09-19 22:05:40,035 WARN L191 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-19 22:05:41,037 WARN L191 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 113 [2019-09-19 22:05:41,572 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-19 22:05:42,561 WARN L191 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 113 [2019-09-19 22:05:43,028 WARN L191 SmtUtils]: Spent 465.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-09-19 22:05:44,251 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 120 DAG size of output: 118 [2019-09-19 22:05:44,858 WARN L191 SmtUtils]: Spent 606.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-19 22:05:46,103 WARN L191 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 120 DAG size of output: 117 [2019-09-19 22:05:46,702 WARN L191 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-19 22:05:48,186 WARN L191 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 126 DAG size of output: 123 [2019-09-19 22:05:48,268 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 22:05:48,268 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 22:05:48,270 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 80#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))) [2019-09-19 22:05:48,281 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 22:05:48,281 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 22:05:48,283 INFO L168 Benchmark]: Toolchain (without parser) took 13554.49 ms. Allocated memory was 133.2 MB in the beginning and 338.2 MB in the end (delta: 205.0 MB). Free memory was 87.4 MB in the beginning and 132.8 MB in the end (delta: -45.3 MB). Peak memory consumption was 159.7 MB. Max. memory is 7.1 GB. [2019-09-19 22:05:48,284 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 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. [2019-09-19 22:05:48,286 INFO L168 Benchmark]: CACSL2BoogieTranslator took 494.71 ms. Allocated memory was 133.2 MB in the beginning and 204.5 MB in the end (delta: 71.3 MB). Free memory was 87.2 MB in the beginning and 181.0 MB in the end (delta: -93.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-19 22:05:48,286 INFO L168 Benchmark]: Boogie Preprocessor took 65.00 ms. Allocated memory is still 204.5 MB. Free memory was 181.0 MB in the beginning and 178.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-09-19 22:05:48,287 INFO L168 Benchmark]: RCFGBuilder took 497.48 ms. Allocated memory is still 204.5 MB. Free memory was 178.7 MB in the beginning and 155.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:05:48,288 INFO L168 Benchmark]: Sifa took 12493.18 ms. Allocated memory was 204.5 MB in the beginning and 338.2 MB in the end (delta: 133.7 MB). Free memory was 155.4 MB in the beginning and 132.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 156.3 MB. Max. memory is 7.1 GB. [2019-09-19 22:05:48,292 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 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 494.71 ms. Allocated memory was 133.2 MB in the beginning and 204.5 MB in the end (delta: 71.3 MB). Free memory was 87.2 MB in the beginning and 181.0 MB in the end (delta: -93.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 65.00 ms. Allocated memory is still 204.5 MB. Free memory was 181.0 MB in the beginning and 178.7 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 497.48 ms. Allocated memory is still 204.5 MB. Free memory was 178.7 MB in the beginning and 155.4 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Sifa took 12493.18 ms. Allocated memory was 204.5 MB in the beginning and 338.2 MB in the end (delta: 133.7 MB). Free memory was 155.4 MB in the beginning and 132.8 MB in the end (delta: 22.7 MB). Peak memory consumption was 156.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 12453, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 26, TOOLS_POST_TIME[ms]: 805, TOOLS_POST_CALL_APPLICATIONS: 9, TOOLS_POST_CALL_TIME[ms]: 315, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME[ms]: 21, TOOLS_QUANTIFIERELIM_APPLICATIONS: 43, TOOLS_QUANTIFIERELIM_TIME[ms]: 1101, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 374, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 41, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME[ms]: 5229, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 4, DOMAIN_WIDEN_TIME[ms]: 5954, DOMAIN_ISSUBSETEQ_APPLICATIONS: 5, DOMAIN_ISSUBSETEQ_TIME[ms]: 29, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 6, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 10945, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 10945, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 5, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1013, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1012, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 22, DAG_COMPRESSION_PROCESSED_NODES: 112, DAG_COMPRESSION_RETAINED_NODES: 48 - 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 80#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...