java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loops/matrix-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-18 11:18:50,996 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-18 11:18:50,999 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-18 11:18:51,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-18 11:18:51,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-18 11:18:51,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-18 11:18:51,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-18 11:18:51,026 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-18 11:18:51,028 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-18 11:18:51,029 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-18 11:18:51,031 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-18 11:18:51,032 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-18 11:18:51,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-18 11:18:51,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-18 11:18:51,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-18 11:18:51,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-18 11:18:51,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-18 11:18:51,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-18 11:18:51,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-18 11:18:51,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-18 11:18:51,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-18 11:18:51,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-18 11:18:51,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-18 11:18:51,058 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-18 11:18:51,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-18 11:18:51,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-18 11:18:51,061 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-18 11:18:51,062 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-18 11:18:51,064 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-18 11:18:51,065 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-18 11:18:51,066 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-18 11:18:51,066 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-18 11:18:51,067 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-18 11:18:51,068 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-18 11:18:51,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-18 11:18:51,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-18 11:18:51,070 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-18 11:18:51,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-18 11:18:51,071 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-18 11:18:51,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-18 11:18:51,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-18 11:18:51,074 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 [2019-09-18 11:18:51,095 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-18 11:18:51,095 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-18 11:18:51,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-18 11:18:51,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-18 11:18:51,098 INFO L138 SettingsManager]: * Use SBE=true [2019-09-18 11:18:51,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-18 11:18:51,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-18 11:18:51,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-18 11:18:51,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-18 11:18:51,099 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-18 11:18:51,100 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-18 11:18:51,100 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-18 11:18:51,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-18 11:18:51,101 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-18 11:18:51,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-18 11:18:51,101 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-18 11:18:51,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-18 11:18:51,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-18 11:18:51,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-18 11:18:51,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-18 11:18:51,102 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-18 11:18:51,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-18 11:18:51,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-18 11:18:51,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-18 11:18:51,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-18 11:18:51,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-18 11:18:51,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-18 11:18:51,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-18 11:18:51,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-18 11:18:51,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-18 11:18:51,182 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-18 11:18:51,187 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-18 11:18:51,188 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-18 11:18:51,189 INFO L275 PluginConnector]: CDTParser initialized [2019-09-18 11:18:51,189 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/matrix-1.c [2019-09-18 11:18:51,259 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f523c24f0/a9d3896392144025bbcbf6f3b8b2e734/FLAG15ef53194 [2019-09-18 11:18:51,647 INFO L306 CDTParser]: Found 1 translation units. [2019-09-18 11:18:51,648 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/matrix-1.c [2019-09-18 11:18:51,654 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f523c24f0/a9d3896392144025bbcbf6f3b8b2e734/FLAG15ef53194 [2019-09-18 11:18:52,015 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f523c24f0/a9d3896392144025bbcbf6f3b8b2e734 [2019-09-18 11:18:52,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-18 11:18:52,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-18 11:18:52,034 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-18 11:18:52,034 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-18 11:18:52,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-18 11:18:52,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a7e2964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52, skipping insertion in model container [2019-09-18 11:18:52,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,049 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-18 11:18:52,062 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-18 11:18:52,227 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:18:52,231 INFO L188 MainTranslator]: Completed pre-run [2019-09-18 11:18:52,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-18 11:18:52,363 INFO L192 MainTranslator]: Completed translation [2019-09-18 11:18:52,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52 WrapperNode [2019-09-18 11:18:52,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-18 11:18:52,365 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-18 11:18:52,365 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-18 11:18:52,365 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-18 11:18:52,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,385 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-18 11:18:52,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-18 11:18:52,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-18 11:18:52,402 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-18 11:18:52,403 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.09 11:18:52" (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 [2019-09-18 11:18:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-18 11:18:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-18 11:18:52,466 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-18 11:18:52,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-18 11:18:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-18 11:18:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-18 11:18:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-18 11:18:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-18 11:18:52,467 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-18 11:18:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-18 11:18:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-18 11:18:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-18 11:18:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-18 11:18:52,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-18 11:18:52,749 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-18 11:18:52,749 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-18 11:18:52,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:52 BoogieIcfgContainer [2019-09-18 11:18:52,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-18 11:18:52,751 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-18 11:18:52,751 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-18 11:18:52,752 INFO L275 PluginConnector]: Sifa initialized [2019-09-18 11:18:52,753 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.09 11:18:52" (1/1) ... [2019-09-18 11:18:52,753 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-18 11:18:52,776 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-18 11:18:52,777 INFO L169 IcfgInterpreter]: Building call graph [2019-09-18 11:18:52,783 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-18 11:18:52,790 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-18 11:18:52,792 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-18 11:18:52,978 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 17 for LOIs [2019-09-18 11:18:53,473 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-18 11:18:53,532 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:18:55,201 WARN L191 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-18 11:18:56,208 WARN L191 SmtUtils]: Spent 990.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 11:18:56,610 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 11:18:56,838 WARN L191 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 11:18:56,985 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 11:18:57,116 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:18:57,254 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 11:18:57,361 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:18:57,600 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 11:18:57,815 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 11:18:57,985 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 11:18:58,126 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-18 11:18:58,435 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 11:18:58,734 WARN L191 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 11:18:59,025 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 11:18:59,312 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 11:19:00,016 WARN L191 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 117 [2019-09-18 11:19:00,300 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-18 11:19:00,367 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:03,027 WARN L191 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-18 11:19:03,401 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 11:19:03,644 WARN L191 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 11:19:03,815 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 11:19:03,950 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 11:19:04,080 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:19:04,200 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 11:19:04,843 WARN L191 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 120 [2019-09-18 11:19:05,116 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-18 11:19:07,824 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:09,036 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:09,226 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:09,320 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:09,333 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:09,346 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:09,357 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:09,374 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:12,638 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:12,649 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:12,660 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:12,781 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:12,799 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:13,992 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,040 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,056 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,068 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,080 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,097 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,186 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,230 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,241 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,336 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:14,346 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:16,248 WARN L191 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 130 DAG size of output: 130 [2019-09-18 11:19:16,527 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-18 11:19:16,549 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:19,101 WARN L191 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-18 11:19:19,488 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 11:19:19,751 WARN L191 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 11:19:19,940 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 11:19:20,080 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 11:19:20,194 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:19:20,310 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 11:19:20,422 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:19:20,939 WARN L191 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-09-18 11:19:21,196 WARN L191 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2019-09-18 11:19:21,286 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:23,257 WARN L191 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 98 DAG size of output: 74 [2019-09-18 11:19:23,500 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 11:19:23,664 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:19:23,793 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 11:19:23,907 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2019-09-18 11:19:26,051 WARN L191 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 11:19:28,291 WARN L191 SmtUtils]: Spent 2.24 s on a formula simplification that was a NOOP. DAG size: 139 [2019-09-18 11:19:30,224 WARN L191 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-18 11:19:30,538 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 11:19:30,732 WARN L191 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 11:19:30,886 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 11:19:31,013 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:19:31,132 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 11:19:31,242 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-09-18 11:19:31,500 WARN L191 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-18 11:19:31,519 WARN L225 Elim1Store]: Array PQE input equivalent to false [2019-09-18 11:19:33,441 WARN L191 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 90 DAG size of output: 83 [2019-09-18 11:19:33,960 WARN L191 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-18 11:19:36,157 WARN L191 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 78 [2019-09-18 11:19:36,399 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2019-09-18 11:19:36,554 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-18 11:19:36,681 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2019-09-18 11:19:36,797 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-18 11:19:37,105 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-18 11:19:37,271 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-18 11:19:37,345 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-18 11:19:37,360 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-18 11:19:37,360 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-18 11:19:37,362 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 323#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-09-18 11:19:37,375 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-18 11:19:37,375 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-18 11:19:37,379 INFO L168 Benchmark]: Toolchain (without parser) took 45348.63 ms. Allocated memory was 137.9 MB in the beginning and 370.7 MB in the end (delta: 232.8 MB). Free memory was 85.4 MB in the beginning and 126.9 MB in the end (delta: -41.5 MB). Peak memory consumption was 191.3 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:37,382 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-18 11:19:37,385 INFO L168 Benchmark]: CACSL2BoogieTranslator took 330.85 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 85.2 MB in the beginning and 177.2 MB in the end (delta: -91.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:37,386 INFO L168 Benchmark]: Boogie Preprocessor took 36.21 ms. Allocated memory is still 198.7 MB. Free memory was 177.2 MB in the beginning and 174.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:37,386 INFO L168 Benchmark]: RCFGBuilder took 349.55 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 157.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:37,387 INFO L168 Benchmark]: Sifa took 44624.73 ms. Allocated memory was 198.7 MB in the beginning and 370.7 MB in the end (delta: 172.0 MB). Free memory was 157.9 MB in the beginning and 126.9 MB in the end (delta: 31.1 MB). Peak memory consumption was 203.0 MB. Max. memory is 7.1 GB. [2019-09-18 11:19:37,389 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 137.9 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 330.85 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 85.2 MB in the beginning and 177.2 MB in the end (delta: -91.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 36.21 ms. Allocated memory is still 198.7 MB. Free memory was 177.2 MB in the beginning and 174.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 349.55 ms. Allocated memory is still 198.7 MB. Free memory was 174.8 MB in the beginning and 157.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 7.1 GB. * Sifa took 44624.73 ms. Allocated memory was 198.7 MB in the beginning and 370.7 MB in the end (delta: 172.0 MB). Free memory was 157.9 MB in the beginning and 126.9 MB in the end (delta: 31.1 MB). Peak memory consumption was 203.0 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]: 44586, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 184, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 175, TOOLS_POST_TIME[ms]: 33745, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 29, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 2, TOOLS_QUANTIFIERELIM_APPLICATIONS: 179, TOOLS_QUANTIFIERELIM_TIME[ms]: 33701, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 11125, FLUID_QUERY_TIME[ms]: 9, FLUID_QUERIES: 191, FLUID_YES_ANSWERS: 4, DOMAIN_JOIN_APPLICATIONS: 34, DOMAIN_JOIN_TIME[ms]: 10547, DOMAIN_ALPHA_APPLICATIONS: 4, DOMAIN_ALPHA_TIME[ms]: 19, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 24, DOMAIN_ISSUBSETEQ_APPLICATIONS: 7, DOMAIN_ISSUBSETEQ_TIME[ms]: 13, DOMAIN_ISBOTTOM_APPLICATIONS: 19, DOMAIN_ISBOTTOM_TIME[ms]: 92, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 41254, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 41253, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 130, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 129, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 8, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 36, DAG_COMPRESSION_PROCESSED_NODES: 221, DAG_COMPRESSION_RETAINED_NODES: 125 - 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 323#(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...