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-fea9116 [2019-09-20 17:25:58,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 17:25:58,684 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 17:25:58,696 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 17:25:58,696 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 17:25:58,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 17:25:58,698 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 17:25:58,700 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 17:25:58,703 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 17:25:58,704 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 17:25:58,705 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 17:25:58,706 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 17:25:58,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 17:25:58,708 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 17:25:58,709 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 17:25:58,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 17:25:58,711 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 17:25:58,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 17:25:58,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 17:25:58,715 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 17:25:58,717 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 17:25:58,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 17:25:58,719 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 17:25:58,720 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 17:25:58,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 17:25:58,723 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 17:25:58,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 17:25:58,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 17:25:58,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 17:25:58,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 17:25:58,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 17:25:58,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 17:25:58,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 17:25:58,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 17:25:58,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 17:25:58,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 17:25:58,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 17:25:58,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 17:25:58,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 17:25:58,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 17:25:58,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 17:25:58,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-20 17:25:58,748 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 17:25:58,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 17:25:58,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 17:25:58,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 17:25:58,751 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 17:25:58,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 17:25:58,751 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 17:25:58,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 17:25:58,751 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 17:25:58,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 17:25:58,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 17:25:58,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 17:25:58,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 17:25:58,752 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 17:25:58,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 17:25:58,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 17:25:58,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 17:25:58,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 17:25:58,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 17:25:58,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 17:25:58,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 17:25:58,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:25:58,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 17:25:58,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 17:25:58,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 17:25:58,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 17:25:58,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 17:25:58,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 17:25:58,756 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 [2019-09-20 17:25:58,796 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 17:25:58,807 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 17:25:58,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 17:25:58,812 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 17:25:58,813 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 17:25:58,813 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-09-20 17:25:58,875 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a68eab2/2b1d8d2edb6f415395e703f5b636e2c8/FLAG46d31e50d [2019-09-20 17:25:59,303 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 17:25:59,304 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-09-20 17:25:59,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a68eab2/2b1d8d2edb6f415395e703f5b636e2c8/FLAG46d31e50d [2019-09-20 17:25:59,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89a68eab2/2b1d8d2edb6f415395e703f5b636e2c8 [2019-09-20 17:25:59,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 17:25:59,702 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 17:25:59,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 17:25:59,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 17:25:59,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 17:25:59,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:25:59" (1/1) ... [2019-09-20 17:25:59,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c97aa4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59, skipping insertion in model container [2019-09-20 17:25:59,712 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 05:25:59" (1/1) ... [2019-09-20 17:25:59,720 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 17:25:59,741 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 17:25:59,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:25:59,962 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 17:25:59,978 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 17:25:59,993 INFO L192 MainTranslator]: Completed translation [2019-09-20 17:25:59,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59 WrapperNode [2019-09-20 17:25:59,993 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 17:25:59,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 17:25:59,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 17:25:59,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 17:26:00,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59" (1/1) ... [2019-09-20 17:26:00,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59" (1/1) ... [2019-09-20 17:26:00,111 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59" (1/1) ... [2019-09-20 17:26:00,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59" (1/1) ... [2019-09-20 17:26:00,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59" (1/1) ... [2019-09-20 17:26:00,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59" (1/1) ... [2019-09-20 17:26:00,137 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59" (1/1) ... [2019-09-20 17:26:00,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 17:26:00,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 17:26:00,141 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 17:26:00,141 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 17:26:00,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 05:25:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 17:26:00,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 17:26:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 17:26:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-20 17:26:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 17:26:00,195 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 17:26:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 17:26:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-20 17:26:00,195 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 17:26:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 17:26:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 17:26:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 17:26:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 17:26:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 17:26:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 17:26:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 17:26:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 17:26:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 17:26:00,604 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 17:26:00,604 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 17:26:00,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:26:00 BoogieIcfgContainer [2019-09-20 17:26:00,606 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 17:26:00,606 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 17:26:00,606 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 17:26:00,607 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 17:26:00,608 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 05:26:00" (1/1) ... [2019-09-20 17:26:00,609 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 [2019-09-20 17:26:00,631 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 17:26:00,631 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 17:26:00,638 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 17:26:00,646 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 17:26:00,648 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 17:26:00,852 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-20 17:26:01,781 WARN L191 SmtUtils]: Spent 845.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2019-09-20 17:26:02,570 WARN L191 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:26:03,282 WARN L191 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2019-09-20 17:26:03,805 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2019-09-20 17:26:04,318 WARN L191 SmtUtils]: Spent 500.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:26:04,936 WARN L191 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2019-09-20 17:26:05,739 WARN L191 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-20 17:26:06,041 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-20 17:26:07,059 WARN L191 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 126 DAG size of output: 118 [2019-09-20 17:26:07,609 WARN L191 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2019-09-20 17:26:07,994 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2019-09-20 17:26:08,168 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 17:26:08,873 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 62 [2019-09-20 17:26:09,109 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-20 17:26:09,442 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 62 [2019-09-20 17:26:10,716 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 113 DAG size of output: 110 [2019-09-20 17:26:11,166 WARN L191 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 17:26:11,912 WARN L191 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 144 [2019-09-20 17:26:12,718 WARN L191 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2019-09-20 17:26:13,989 WARN L191 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 143 DAG size of output: 139 [2019-09-20 17:26:14,542 WARN L191 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-09-20 17:26:15,072 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2019-09-20 17:26:15,588 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-20 17:26:16,029 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2019-09-20 17:26:16,472 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-20 17:26:16,890 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 17:26:17,417 WARN L191 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2019-09-20 17:26:17,667 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:26:18,299 WARN L191 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-20 17:26:18,625 WARN L191 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:26:18,914 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 17:26:19,516 WARN L191 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 90 [2019-09-20 17:26:19,517 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 17:26:19,517 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 17:26:19,519 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))))) [2019-09-20 17:26:19,533 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 17:26:19,533 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 17:26:19,535 INFO L168 Benchmark]: Toolchain (without parser) took 19835.65 ms. Allocated memory was 140.5 MB in the beginning and 351.8 MB in the end (delta: 211.3 MB). Free memory was 88.3 MB in the beginning and 177.8 MB in the end (delta: -89.5 MB). Peak memory consumption was 121.8 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:19,536 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 17:26:19,537 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.12 ms. Allocated memory is still 140.5 MB. Free memory was 88.1 MB in the beginning and 78.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:19,537 INFO L168 Benchmark]: Boogie Preprocessor took 146.12 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 78.0 MB in the beginning and 176.8 MB in the end (delta: -98.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:19,538 INFO L168 Benchmark]: RCFGBuilder took 465.36 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 156.7 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:19,539 INFO L168 Benchmark]: Sifa took 18927.27 ms. Allocated memory was 200.3 MB in the beginning and 351.8 MB in the end (delta: 151.5 MB). Free memory was 156.7 MB in the beginning and 177.8 MB in the end (delta: -21.1 MB). Peak memory consumption was 130.4 MB. Max. memory is 7.1 GB. [2019-09-20 17:26:19,542 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 291.12 ms. Allocated memory is still 140.5 MB. Free memory was 88.1 MB in the beginning and 78.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 146.12 ms. Allocated memory was 140.5 MB in the beginning and 200.3 MB in the end (delta: 59.8 MB). Free memory was 78.0 MB in the beginning and 176.8 MB in the end (delta: -98.7 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 465.36 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 156.7 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Sifa took 18927.27 ms. Allocated memory was 200.3 MB in the beginning and 351.8 MB in the end (delta: 151.5 MB). Free memory was 156.7 MB in the beginning and 177.8 MB in the end (delta: -21.1 MB). Peak memory consumption was 130.4 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]: 18888, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 10188, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 3251, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 1735, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 15153, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 5722, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 3642, 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]: 1425, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1424, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 2, DAG_COMPRESSION_TIME[ms]: 14, 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...