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/ldv-regression/test05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:25:43,615 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:25:43,617 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:25:43,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:25:43,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:25:43,630 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:25:43,632 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:25:43,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:25:43,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:25:43,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:25:43,637 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:25:43,638 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:25:43,638 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:25:43,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:25:43,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:25:43,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:25:43,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:25:43,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:25:43,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:25:43,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:25:43,648 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:25:43,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:25:43,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:25:43,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:25:43,653 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:25:43,653 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:25:43,654 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:25:43,655 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:25:43,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:25:43,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:25:43,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:25:43,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:25:43,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:25:43,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:25:43,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:25:43,660 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:25:43,661 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:25:43,661 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:25:43,661 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:25:43,662 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:25:43,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:25:43,663 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 16:25:43,677 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:25:43,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:25:43,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:25:43,679 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:25:43,679 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:25:43,679 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:25:43,680 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:25:43,680 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:25:43,680 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:25:43,680 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:25:43,680 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:25:43,681 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:25:43,681 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:25:43,681 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:25:43,681 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:25:43,681 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:25:43,682 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:25:43,682 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:25:43,682 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:25:43,682 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:25:43,682 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:25:43,683 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:25:43,683 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:25:43,683 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:25:43,683 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:25:43,683 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:25:43,684 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:25:43,684 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:25:43,684 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 16:25:43,714 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:25:43,726 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:25:43,730 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:25:43,731 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:25:43,731 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:25:43,732 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-09-17 16:25:43,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea8af661f/e80a8a50f5974ad6b321ed399ddac2f4/FLAG51ed91661 [2019-09-17 16:25:44,238 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:25:44,239 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-09-17 16:25:44,245 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea8af661f/e80a8a50f5974ad6b321ed399ddac2f4/FLAG51ed91661 [2019-09-17 16:25:44,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea8af661f/e80a8a50f5974ad6b321ed399ddac2f4 [2019-09-17 16:25:44,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:25:44,649 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:25:44,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:25:44,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:25:44,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:25:44,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:25:44" (1/1) ... [2019-09-17 16:25:44,656 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73613047 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44, skipping insertion in model container [2019-09-17 16:25:44,656 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:25:44" (1/1) ... [2019-09-17 16:25:44,663 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:25:44,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:25:44,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:25:44,849 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:25:44,868 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:25:44,888 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:25:44,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44 WrapperNode [2019-09-17 16:25:44,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:25:44,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:25:44,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:25:44,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:25:44,994 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44" (1/1) ... [2019-09-17 16:25:44,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44" (1/1) ... [2019-09-17 16:25:45,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44" (1/1) ... [2019-09-17 16:25:45,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44" (1/1) ... [2019-09-17 16:25:45,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44" (1/1) ... [2019-09-17 16:25:45,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44" (1/1) ... [2019-09-17 16:25:45,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44" (1/1) ... [2019-09-17 16:25:45,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:25:45,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:25:45,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:25:45,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:25:45,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:25:44" (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 16:25:45,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:25:45,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:25:45,080 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-17 16:25:45,080 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-17 16:25:45,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:25:45,080 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:25:45,081 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-17 16:25:45,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:25:45,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:25:45,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:25:45,081 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-17 16:25:45,081 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:25:45,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 16:25:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:25:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:25:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:25:45,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:25:45,444 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:25:45,444 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 16:25:45,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:25:45 BoogieIcfgContainer [2019-09-17 16:25:45,445 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:25:45,446 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:25:45,446 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:25:45,446 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:25:45,447 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:25:45" (1/1) ... [2019-09-17 16:25:45,448 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 16:25:45,472 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:25:45,472 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:25:45,479 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:25:45,487 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:25:45,488 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:25:45,691 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:25:46,566 WARN L191 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-17 16:25:47,326 WARN L191 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 16:25:47,979 WARN L191 SmtUtils]: Spent 632.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-17 16:25:48,456 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-17 16:25:48,929 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 16:25:49,562 WARN L191 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-17 16:25:50,336 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-17 16:25:50,647 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-17 16:25:51,622 WARN L191 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2019-09-17 16:25:52,185 WARN L191 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2019-09-17 16:25:52,583 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2019-09-17 16:25:52,730 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 16:25:53,500 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-17 16:25:53,736 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-17 16:25:54,052 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-17 16:25:55,303 WARN L191 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2019-09-17 16:25:55,726 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-17 16:25:56,631 WARN L191 SmtUtils]: Spent 846.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-17 16:25:57,346 WARN L191 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-17 16:25:58,524 WARN L191 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-17 16:25:59,056 WARN L191 SmtUtils]: Spent 509.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-17 16:25:59,576 WARN L191 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-17 16:26:00,039 WARN L191 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 16:26:00,477 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-17 16:26:00,901 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-17 16:26:01,300 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-17 16:26:01,818 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-17 16:26:02,064 WARN L191 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-17 16:26:02,581 WARN L191 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-17 16:26:02,869 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-17 16:26:03,147 WARN L191 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-17 16:26:03,729 WARN L191 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-17 16:26:03,730 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:26:03,730 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:26:03,732 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 46#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (or (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (= 0 (select (select |#memory_int| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (<= 0 |#NULL.offset|) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (<= 0 |#NULL.offset|) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (and (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))))) [2019-09-17 16:26:03,745 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:26:03,746 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:26:03,747 INFO L168 Benchmark]: Toolchain (without parser) took 19098.29 ms. Allocated memory was 136.8 MB in the beginning and 417.3 MB in the end (delta: 280.5 MB). Free memory was 84.4 MB in the beginning and 332.5 MB in the end (delta: -248.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:03,748 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-17 16:26:03,750 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.59 ms. Allocated memory is still 136.8 MB. Free memory was 84.2 MB in the beginning and 73.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:03,751 INFO L168 Benchmark]: Boogie Preprocessor took 133.99 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 73.8 MB in the beginning and 174.3 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:03,752 INFO L168 Benchmark]: RCFGBuilder took 421.44 ms. Allocated memory is still 197.7 MB. Free memory was 174.3 MB in the beginning and 154.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:03,753 INFO L168 Benchmark]: Sifa took 18300.00 ms. Allocated memory was 197.7 MB in the beginning and 417.3 MB in the end (delta: 219.7 MB). Free memory was 153.4 MB in the beginning and 332.5 MB in the end (delta: -179.1 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:03,756 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.59 ms. Allocated memory is still 136.8 MB. Free memory was 84.2 MB in the beginning and 73.8 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.99 ms. Allocated memory was 136.8 MB in the beginning and 197.7 MB in the end (delta: 60.8 MB). Free memory was 73.8 MB in the beginning and 174.3 MB in the end (delta: -100.4 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 421.44 ms. Allocated memory is still 197.7 MB. Free memory was 174.3 MB in the beginning and 154.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * Sifa took 18300.00 ms. Allocated memory was 197.7 MB in the beginning and 417.3 MB in the end (delta: 219.7 MB). Free memory was 153.4 MB in the beginning and 332.5 MB in the end (delta: -179.1 MB). Peak memory consumption was 40.6 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]: 18261, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 9839, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 3189, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 1686, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 14695, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5573, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 3476, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 7, LOOP_SUMMARIZER_APPLICATIONS: 0, LOOP_SUMMARIZER_CACHE_MISSES: 0, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 0, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 0, CALL_SUMMARIZER_APPLICATIONS: 3, CALL_SUMMARIZER_CACHE_MISSES: 3, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1471, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1471, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 13, DAG_COMPRESSION_PROCESSED_NODES: 53, DAG_COMPRESSION_RETAINED_NODES: 31 - UnprovableResult [Line: 44]: 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 46#(and (not (= (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) 0)) (or (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.base|) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (= 0 (select (select |#memory_int| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#p1~0.offset|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (<= 0 |#NULL.offset|) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))) (and (< |main_~#a~0.base| |#StackHeapBarrier|) (< |main_~#p2~0.base| |#StackHeapBarrier|) (= (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.offset| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (not (= |main_~#b~0.base| 0)) (<= 0 |#NULL.base|) (not (= 0 |main_~#a~0.base|)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (<= 0 |#NULL.offset|) (= 1 (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|)) (= 0 |main_~#p2~0.offset|) (= |main_~#b~0.offset| 0) (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) (select (select |#memory_$Pointer$.base| |main_~#p1~0.base|) |main_~#p1~0.offset|)) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#p1~0.base| 4) |main_~#p2~0.base| 4) |#length|) (<= |#NULL.base| 0) (< |main_~#p1~0.base| |#StackHeapBarrier|) (= 0 |main_~#p1~0.offset|) (and (= (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|) |main_~#a~0.base|) (= |main_~#a~0.offset| (select (select |#memory_$Pointer$.offset| |main_~#p2~0.base|) |main_~#p2~0.offset|))) (not (= |main_~#p1~0.base| 0)) (not (= 0 |main_~#p2~0.base|)) (<= |#NULL.offset| 0) (= 0 (select |old(#valid)| 0)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base|) 0) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base|) 0) (= |#valid| (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#p1~0.base| 1) |main_~#p2~0.base| 1))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...