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 IntervalDomain --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 09:50:42,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 09:50:42,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 09:50:42,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 09:50:42,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 09:50:42,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 09:50:42,714 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 09:50:42,716 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 09:50:42,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 09:50:42,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 09:50:42,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 09:50:42,721 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 09:50:42,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 09:50:42,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 09:50:42,723 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 09:50:42,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 09:50:42,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 09:50:42,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 09:50:42,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 09:50:42,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 09:50:42,731 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 09:50:42,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 09:50:42,737 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 09:50:42,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 09:50:42,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 09:50:42,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 09:50:42,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 09:50:42,743 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 09:50:42,744 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 09:50:42,745 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 09:50:42,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 09:50:42,746 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 09:50:42,747 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 09:50:42,748 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 09:50:42,751 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 09:50:42,752 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 09:50:42,752 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 09:50:42,753 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 09:50:42,753 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 09:50:42,754 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 09:50:42,754 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 09:50:42,755 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 09:50:42,778 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 09:50:42,778 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 09:50:42,780 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 09:50:42,780 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 09:50:42,780 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 09:50:42,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 09:50:42,781 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 09:50:42,781 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 09:50:42,781 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 09:50:42,781 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 09:50:42,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 09:50:42,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 09:50:42,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 09:50:42,782 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 09:50:42,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 09:50:42,782 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 09:50:42,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 09:50:42,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 09:50:42,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 09:50:42,783 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 09:50:42,783 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 09:50:42,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 09:50:42,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 09:50:42,784 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 09:50:42,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 09:50:42,784 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 09:50:42,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 09:50:42,785 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 09:50:42,785 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain 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 09:50:42,831 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 09:50:42,848 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 09:50:42,852 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 09:50:42,853 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 09:50:42,853 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 09:50:42,854 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test05.c [2019-09-17 09:50:42,928 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eab9066d4/4b5ed32a536b4e6bb82e4942dfae0d2f/FLAGe7f4674af [2019-09-17 09:50:43,367 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 09:50:43,368 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test05.c [2019-09-17 09:50:43,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eab9066d4/4b5ed32a536b4e6bb82e4942dfae0d2f/FLAGe7f4674af [2019-09-17 09:50:43,731 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eab9066d4/4b5ed32a536b4e6bb82e4942dfae0d2f [2019-09-17 09:50:43,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 09:50:43,744 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 09:50:43,745 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 09:50:43,745 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 09:50:43,748 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 09:50:43,749 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:50:43" (1/1) ... [2019-09-17 09:50:43,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7ff4c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:43, skipping insertion in model container [2019-09-17 09:50:43,752 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 09:50:43" (1/1) ... [2019-09-17 09:50:43,759 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 09:50:43,776 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 09:50:43,959 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:50:43,976 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 09:50:43,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 09:50:44,009 INFO L192 MainTranslator]: Completed translation [2019-09-17 09:50:44,010 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:44 WrapperNode [2019-09-17 09:50:44,010 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 09:50:44,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 09:50:44,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 09:50:44,011 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 09:50:44,119 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:44" (1/1) ... [2019-09-17 09:50:44,121 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:44" (1/1) ... [2019-09-17 09:50:44,129 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:44" (1/1) ... [2019-09-17 09:50:44,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:44" (1/1) ... [2019-09-17 09:50:44,137 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:44" (1/1) ... [2019-09-17 09:50:44,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:44" (1/1) ... [2019-09-17 09:50:44,145 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:44" (1/1) ... [2019-09-17 09:50:44,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 09:50:44,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 09:50:44,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 09:50:44,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 09:50:44,154 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 09:50:44" (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 09:50:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 09:50:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 09:50:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2019-09-17 09:50:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-17 09:50:44,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 09:50:44,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 09:50:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure g [2019-09-17 09:50:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 09:50:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 09:50:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 09:50:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-17 09:50:44,200 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 09:50:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 09:50:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 09:50:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 09:50:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 09:50:44,201 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 09:50:44,569 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 09:50:44,569 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-17 09:50:44,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:50:44 BoogieIcfgContainer [2019-09-17 09:50:44,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 09:50:44,571 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 09:50:44,571 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 09:50:44,571 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 09:50:44,572 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 09:50:44" (1/1) ... [2019-09-17 09:50:44,573 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ 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 09:50:44,602 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 09:50:44,602 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 09:50:44,613 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 09:50:44,624 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 09:50:44,626 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 09:50:44,781 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-17 09:50:45,569 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2019-09-17 09:50:46,236 WARN L191 SmtUtils]: Spent 645.00 ms on a formula simplification that was a NOOP. DAG size: 132 [2019-09-17 09:50:46,847 WARN L191 SmtUtils]: Spent 588.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-09-17 09:50:47,269 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2019-09-17 09:50:47,710 WARN L191 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-09-17 09:50:48,333 WARN L191 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 114 [2019-09-17 09:50:49,116 WARN L191 SmtUtils]: Spent 663.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2019-09-17 09:50:49,395 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2019-09-17 09:50:49,947 WARN L191 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2019-09-17 09:50:50,623 WARN L191 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2019-09-17 09:50:51,036 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2019-09-17 09:50:51,223 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2019-09-17 09:50:52,358 WARN L191 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 84 [2019-09-17 09:50:52,582 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-17 09:50:53,338 WARN L191 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 88 [2019-09-17 09:50:53,620 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2019-09-17 09:50:53,904 WARN L191 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-17 09:50:54,147 WARN L191 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2019-09-17 09:50:54,204 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 09:50:54,205 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 09:50:54,207 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 28#(and (<= |main_~#p2~0.offset| 0) (<= |main_~#b~0.offset| 0) (<= 0 |main_~#p2~0.offset|) (<= |#NULL.base| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= |main_~#p1~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)) [2019-09-17 09:50:54,220 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 09:50:54,220 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 09:50:54,222 INFO L168 Benchmark]: Toolchain (without parser) took 10477.74 ms. Allocated memory was 138.9 MB in the beginning and 312.0 MB in the end (delta: 173.0 MB). Free memory was 86.9 MB in the beginning and 122.8 MB in the end (delta: -35.9 MB). Peak memory consumption was 137.1 MB. Max. memory is 7.1 GB. [2019-09-17 09:50:54,223 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-17 09:50:54,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.20 ms. Allocated memory is still 138.9 MB. Free memory was 86.5 MB in the beginning and 76.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-17 09:50:54,224 INFO L168 Benchmark]: Boogie Preprocessor took 136.83 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 76.2 MB in the beginning and 175.5 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-09-17 09:50:54,225 INFO L168 Benchmark]: RCFGBuilder took 422.77 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 154.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-09-17 09:50:54,226 INFO L168 Benchmark]: Sifa took 9649.35 ms. Allocated memory was 198.7 MB in the beginning and 312.0 MB in the end (delta: 113.2 MB). Free memory was 154.8 MB in the beginning and 122.8 MB in the end (delta: 31.9 MB). Peak memory consumption was 145.2 MB. Max. memory is 7.1 GB. [2019-09-17 09:50:54,229 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory is still 104.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.20 ms. Allocated memory is still 138.9 MB. Free memory was 86.5 MB in the beginning and 76.2 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 136.83 ms. Allocated memory was 138.9 MB in the beginning and 198.7 MB in the end (delta: 59.8 MB). Free memory was 76.2 MB in the beginning and 175.5 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 422.77 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 154.8 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * Sifa took 9649.35 ms. Allocated memory was 198.7 MB in the beginning and 312.0 MB in the end (delta: 113.2 MB). Free memory was 154.8 MB in the beginning and 122.8 MB in the end (delta: 31.9 MB). Peak memory consumption was 145.2 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]: 9605, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 17, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 13, TOOLS_POST_TIME[ms]: 5490, TOOLS_POST_CALL_APPLICATIONS: 4, TOOLS_POST_CALL_TIME[ms]: 2910, TOOLS_POST_RETURN_APPLICATIONS: 3, TOOLS_POST_RETURN_TIME[ms]: 998, TOOLS_QUANTIFIERELIM_APPLICATIONS: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 9377, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 3546, FLUID_QUERY_TIME[ms]: 4, FLUID_QUERIES: 17, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 126, 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]: 8, 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]: 465, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 464, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 12, 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 28#(and (<= |main_~#p2~0.offset| 0) (<= |main_~#b~0.offset| 0) (<= 0 |main_~#p2~0.offset|) (<= |#NULL.base| 0) (<= 0 |main_~#b~0.offset|) (<= 0 |main_~#p1~0.offset|) (<= 0 |main_~#a~0.offset|) (<= 0 |#NULL.base|) (<= |main_~#a~0.offset| 0) (<= |main_~#p1~0.offset| 0) (<= 0 |#NULL.offset|) (<= |#NULL.offset| 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...