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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-lit/hhk2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 15:46:11,797 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 15:46:11,799 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 15:46:11,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 15:46:11,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 15:46:11,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 15:46:11,813 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 15:46:11,815 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 15:46:11,816 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 15:46:11,817 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 15:46:11,818 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 15:46:11,819 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 15:46:11,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 15:46:11,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 15:46:11,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 15:46:11,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 15:46:11,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 15:46:11,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 15:46:11,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 15:46:11,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 15:46:11,829 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 15:46:11,831 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 15:46:11,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 15:46:11,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 15:46:11,835 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 15:46:11,835 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 15:46:11,835 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 15:46:11,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 15:46:11,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 15:46:11,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 15:46:11,838 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 15:46:11,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 15:46:11,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 15:46:11,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 15:46:11,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 15:46:11,841 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 15:46:11,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 15:46:11,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 15:46:11,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 15:46:11,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 15:46:11,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 15:46:11,845 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 [2019-09-17 15:46:11,858 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 15:46:11,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 15:46:11,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 15:46:11,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 15:46:11,860 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 15:46:11,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 15:46:11,861 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 15:46:11,861 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 15:46:11,861 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 15:46:11,861 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 15:46:11,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 15:46:11,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 15:46:11,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 15:46:11,862 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 15:46:11,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 15:46:11,862 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 15:46:11,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 15:46:11,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 15:46:11,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 15:46:11,863 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 15:46:11,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 15:46:11,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 15:46:11,864 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 15:46:11,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 15:46:11,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 15:46:11,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 15:46:11,865 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 15:46:11,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 15:46:11,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain 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 -> 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 [2019-09-17 15:46:11,894 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 15:46:11,905 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 15:46:11,909 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 15:46:11,910 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 15:46:11,910 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 15:46:11,911 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/hhk2008.i [2019-09-17 15:46:11,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c689dce6b/2c32fbd1b04c48a2998ccedd4a0aafc0/FLAG4d358411a [2019-09-17 15:46:12,388 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 15:46:12,389 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/hhk2008.i [2019-09-17 15:46:12,395 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c689dce6b/2c32fbd1b04c48a2998ccedd4a0aafc0/FLAG4d358411a [2019-09-17 15:46:12,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c689dce6b/2c32fbd1b04c48a2998ccedd4a0aafc0 [2019-09-17 15:46:12,812 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 15:46:12,814 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 15:46:12,814 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 15:46:12,814 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 15:46:12,817 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 15:46:12,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:46:12" (1/1) ... [2019-09-17 15:46:12,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2a32ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:12, skipping insertion in model container [2019-09-17 15:46:12,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 03:46:12" (1/1) ... [2019-09-17 15:46:12,827 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 15:46:12,843 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 15:46:13,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:46:13,032 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 15:46:13,046 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 15:46:13,059 INFO L192 MainTranslator]: Completed translation [2019-09-17 15:46:13,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:13 WrapperNode [2019-09-17 15:46:13,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 15:46:13,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 15:46:13,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 15:46:13,060 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 15:46:13,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:13" (1/1) ... [2019-09-17 15:46:13,160 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:13" (1/1) ... [2019-09-17 15:46:13,165 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:13" (1/1) ... [2019-09-17 15:46:13,165 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:13" (1/1) ... [2019-09-17 15:46:13,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:13" (1/1) ... [2019-09-17 15:46:13,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:13" (1/1) ... [2019-09-17 15:46:13,174 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:13" (1/1) ... [2019-09-17 15:46:13,175 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 15:46:13,176 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 15:46:13,176 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 15:46:13,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 15:46:13,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 03:46:13" (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 [2019-09-17 15:46:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 15:46:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 15:46:13,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-17 15:46:13,236 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 15:46:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 15:46:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-17 15:46:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-17 15:46:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 15:46:13,236 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 15:46:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 15:46:13,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 15:46:13,408 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 15:46:13,409 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-17 15:46:13,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:46:13 BoogieIcfgContainer [2019-09-17 15:46:13,410 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 15:46:13,411 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 15:46:13,411 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 15:46:13,411 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 15:46:13,412 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 03:46:13" (1/1) ... [2019-09-17 15:46:13,413 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-17 15:46:13,436 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 15:46:13,436 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 15:46:13,443 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 15:46:13,451 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 15:46:13,453 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 15:46:13,517 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-17 15:46:13,661 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 18 [2019-09-17 15:46:14,356 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-09-17 15:46:14,520 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-09-17 15:46:14,935 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2019-09-17 15:46:15,271 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 48 [2019-09-17 15:46:15,450 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2019-09-17 15:46:15,561 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2019-09-17 15:46:15,733 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 49 [2019-09-17 15:46:15,898 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 60 [2019-09-17 15:46:16,118 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 60 [2019-09-17 15:46:16,240 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-09-17 15:46:16,432 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2019-09-17 15:46:16,641 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-17 15:46:16,925 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 69 [2019-09-17 15:46:17,089 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 67 [2019-09-17 15:46:17,300 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2019-09-17 15:46:17,472 WARN L191 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 72 [2019-09-17 15:46:17,703 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 69 [2019-09-17 15:46:17,847 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 70 [2019-09-17 15:46:18,053 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 70 [2019-09-17 15:46:18,229 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 76 [2019-09-17 15:46:18,493 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2019-09-17 15:46:18,647 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2019-09-17 15:46:18,887 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 78 [2019-09-17 15:46:19,130 WARN L191 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 85 [2019-09-17 15:46:19,467 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-17 15:46:19,686 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2019-09-17 15:46:19,787 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-17 15:46:19,973 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2019-09-17 15:46:20,209 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-17 15:46:20,311 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 15:46:20,576 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 95 [2019-09-17 15:46:20,774 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 96 [2019-09-17 15:46:21,067 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 93 [2019-09-17 15:46:21,319 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 102 [2019-09-17 15:46:21,427 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-17 15:46:21,668 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 98 [2019-09-17 15:46:21,868 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 98 [2019-09-17 15:46:22,134 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 98 [2019-09-17 15:46:22,376 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 104 [2019-09-17 15:46:22,480 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-09-17 15:46:22,762 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 105 [2019-09-17 15:46:22,969 WARN L191 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 106 [2019-09-17 15:46:23,296 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 105 [2019-09-17 15:46:23,610 WARN L191 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 114 [2019-09-17 15:46:23,734 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-17 15:46:24,006 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 116 [2019-09-17 15:46:24,253 WARN L191 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2019-09-17 15:46:24,363 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-17 15:46:24,604 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 113 [2019-09-17 15:46:24,929 WARN L191 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 122 [2019-09-17 15:46:25,057 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 15:46:25,351 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 122 [2019-09-17 15:46:25,632 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 125 [2019-09-17 15:46:25,757 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 125 [2019-09-17 15:46:26,041 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 123 [2019-09-17 15:46:26,394 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 133 [2019-09-17 15:46:26,549 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2019-09-17 15:46:26,879 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 134 [2019-09-17 15:46:27,186 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2019-09-17 15:46:27,336 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2019-09-17 15:46:27,680 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2019-09-17 15:46:28,072 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 145 [2019-09-17 15:46:28,257 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 145 [2019-09-17 15:46:28,645 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 144 [2019-09-17 15:46:28,964 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 143 [2019-09-17 15:46:29,114 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 15:46:29,427 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 134 [2019-09-17 15:46:29,814 WARN L191 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 143 [2019-09-17 15:46:29,964 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 143 [2019-09-17 15:46:30,302 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 143 [2019-09-17 15:46:30,590 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 144 [2019-09-17 15:46:30,734 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 15:46:31,072 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 140 [2019-09-17 15:46:31,430 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 149 [2019-09-17 15:46:31,591 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2019-09-17 15:46:31,931 WARN L191 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 149 [2019-09-17 15:46:32,252 WARN L191 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 151 [2019-09-17 15:46:32,404 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2019-09-17 15:46:32,738 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 151 [2019-09-17 15:46:33,181 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 158 [2019-09-17 15:46:33,304 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-17 15:46:33,338 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 15:46:33,338 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 15:46:33,341 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 201#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-17 15:46:33,354 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 15:46:33,354 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 15:46:33,356 INFO L168 Benchmark]: Toolchain (without parser) took 20542.47 ms. Allocated memory was 138.9 MB in the beginning and 399.0 MB in the end (delta: 260.0 MB). Free memory was 86.3 MB in the beginning and 198.2 MB in the end (delta: -111.9 MB). Peak memory consumption was 148.1 MB. Max. memory is 7.1 GB. [2019-09-17 15:46:33,357 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 15:46:33,357 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.20 ms. Allocated memory is still 138.9 MB. Free memory was 86.1 MB in the beginning and 76.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-17 15:46:33,358 INFO L168 Benchmark]: Boogie Preprocessor took 115.54 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 76.7 MB in the beginning and 177.2 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-17 15:46:33,360 INFO L168 Benchmark]: RCFGBuilder took 234.87 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 164.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-09-17 15:46:33,360 INFO L168 Benchmark]: Sifa took 19943.54 ms. Allocated memory was 199.2 MB in the beginning and 399.0 MB in the end (delta: 199.8 MB). Free memory was 164.7 MB in the beginning and 198.2 MB in the end (delta: -33.5 MB). Peak memory consumption was 166.3 MB. Max. memory is 7.1 GB. [2019-09-17 15:46:33,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 245.20 ms. Allocated memory is still 138.9 MB. Free memory was 86.1 MB in the beginning and 76.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.54 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 76.7 MB in the beginning and 177.2 MB in the end (delta: -100.5 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 234.87 ms. Allocated memory is still 199.2 MB. Free memory was 177.2 MB in the beginning and 164.7 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Sifa took 19943.54 ms. Allocated memory was 199.2 MB in the beginning and 399.0 MB in the end (delta: 199.8 MB). Free memory was 164.7 MB in the beginning and 198.2 MB in the end (delta: -33.5 MB). Peak memory consumption was 166.3 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]: 19905, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 32, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 28, TOOLS_POST_TIME[ms]: 92, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 0, TOOLS_QUANTIFIERELIM_APPLICATIONS: 32, TOOLS_QUANTIFIERELIM_TIME[ms]: 82, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 13, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 52, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 22, DOMAIN_JOIN_TIME[ms]: 9047, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 19, DOMAIN_WIDEN_TIME[ms]: 10625, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME[ms]: 47, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 19751, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 19751, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 28, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 28, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 14, DAG_COMPRESSION_PROCESSED_NODES: 56, DAG_COMPRESSION_RETAINED_NODES: 33 - UnprovableResult [Line: 5]: 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 201#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...