java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer ReUseSupersetCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 20:22:51,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 20:22:51,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 20:22:51,738 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 20:22:51,739 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 20:22:51,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 20:22:51,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 20:22:51,754 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 20:22:51,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 20:22:51,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 20:22:51,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 20:22:51,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 20:22:51,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 20:22:51,759 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 20:22:51,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 20:22:51,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 20:22:51,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 20:22:51,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 20:22:51,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 20:22:51,770 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 20:22:51,771 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 20:22:51,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 20:22:51,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 20:22:51,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 20:22:51,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 20:22:51,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 20:22:51,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 20:22:51,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 20:22:51,800 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 20:22:51,821 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 20:22:51,822 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 20:22:51,824 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 20:22:51,824 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 20:22:51,824 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 20:22:51,825 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 20:22:51,825 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 20:22:51,825 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 20:22:51,825 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 20:22:51,825 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 20:22:51,827 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 20:22:51,827 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 20:22:51,827 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 20:22:51,827 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 20:22:51,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 20:22:51,828 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 20:22:51,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 20:22:51,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 20:22:51,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 20:22:51,829 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 20:22:51,829 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 20:22:51,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 20:22:51,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 20:22:51,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 20:22:51,830 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 20:22:51,830 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 20:22:51,830 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 20:22:51,830 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 20:22:51,831 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> ReUseSupersetCallSummarizer 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 20:22:51,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 20:22:51,885 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 20:22:51,890 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 20:22:51,891 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 20:22:51,891 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 20:22:51,892 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-20 20:22:51,969 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923e6553c/b816a46d8cf34a43a5b9680dffee2d5b/FLAG6f3df0264 [2019-09-20 20:22:52,406 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 20:22:52,408 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-20 20:22:52,416 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923e6553c/b816a46d8cf34a43a5b9680dffee2d5b/FLAG6f3df0264 [2019-09-20 20:22:52,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/923e6553c/b816a46d8cf34a43a5b9680dffee2d5b [2019-09-20 20:22:52,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 20:22:52,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 20:22:52,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 20:22:52,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 20:22:52,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 20:22:52,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:22:52" (1/1) ... [2019-09-20 20:22:52,825 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@219fad61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:52, skipping insertion in model container [2019-09-20 20:22:52,825 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 08:22:52" (1/1) ... [2019-09-20 20:22:52,833 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 20:22:52,855 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 20:22:53,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:22:53,074 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 20:22:53,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 20:22:53,196 INFO L192 MainTranslator]: Completed translation [2019-09-20 20:22:53,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:53 WrapperNode [2019-09-20 20:22:53,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 20:22:53,197 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 20:22:53,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 20:22:53,198 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 20:22:53,210 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:53" (1/1) ... [2019-09-20 20:22:53,210 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:53" (1/1) ... [2019-09-20 20:22:53,219 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:53" (1/1) ... [2019-09-20 20:22:53,220 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:53" (1/1) ... [2019-09-20 20:22:53,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:53" (1/1) ... [2019-09-20 20:22:53,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:53" (1/1) ... [2019-09-20 20:22:53,244 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:53" (1/1) ... [2019-09-20 20:22:53,246 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 20:22:53,247 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 20:22:53,247 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 20:22:53,247 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 20:22:53,248 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 08:22:53" (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 20:22:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 20:22:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 20:22:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-20 20:22:53,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 20:22:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 20:22:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 20:22:53,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-20 20:22:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-20 20:22:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 20:22:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 20:22:53,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 20:22:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 20:22:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 20:22:53,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 20:22:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 20:22:53,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 20:22:53,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 20:22:53,752 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 20:22:53,753 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 20:22:53,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:22:53 BoogieIcfgContainer [2019-09-20 20:22:53,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 20:22:53,755 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 20:22:53,755 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 20:22:53,755 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 20:22:53,756 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 08:22:53" (1/1) ... [2019-09-20 20:22:53,757 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 20:22:53,782 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 20:22:53,782 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 20:22:53,790 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 20:22:53,800 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 20:22:53,802 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 20:22:53,947 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 20:22:54,276 WARN L191 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-09-20 20:22:54,536 WARN L191 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 20:22:54,769 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:22:54,962 WARN L191 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2019-09-20 20:23:05,999 WARN L191 SmtUtils]: Spent 10.93 s on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-09-20 20:23:10,768 WARN L191 SmtUtils]: Spent 4.72 s on a formula simplification that was a NOOP. DAG size: 162 [2019-09-20 20:23:15,399 WARN L191 SmtUtils]: Spent 4.62 s on a formula simplification that was a NOOP. DAG size: 159 [2019-09-20 20:23:17,828 WARN L191 SmtUtils]: Spent 2.31 s on a formula simplification that was a NOOP. DAG size: 181 [2019-09-20 20:23:18,301 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-20 20:23:18,489 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-20 20:23:18,692 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-20 20:23:18,810 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-20 20:23:19,059 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 20:23:19,219 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-20 20:23:19,519 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-20 20:23:19,968 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-20 20:23:21,044 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 151 [2019-09-20 20:23:21,292 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 168 [2019-09-20 20:23:21,506 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 20:23:21,507 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 20:23:21,509 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 141#(exists ((v_main_~pa~0.base_BEFORE_CALL_1 Int) (v_main_~pa~0.offset_BEFORE_CALL_1 Int)) (and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (<= (select (select |#memory_int| v_main_~pa~0.base_BEFORE_CALL_1) v_main_~pa~0.offset_BEFORE_CALL_1) main_~i~0) (not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))))) [2019-09-20 20:23:21,531 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 20:23:21,531 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 20:23:21,533 INFO L168 Benchmark]: Toolchain (without parser) took 28718.44 ms. Allocated memory was 132.1 MB in the beginning and 307.8 MB in the end (delta: 175.6 MB). Free memory was 88.2 MB in the beginning and 154.9 MB in the end (delta: -66.7 MB). Peak memory consumption was 108.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:23:21,534 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 20:23:21,536 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.07 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.7 MB in the beginning and 174.5 MB in the end (delta: -86.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:23:21,542 INFO L168 Benchmark]: Boogie Preprocessor took 49.06 ms. Allocated memory is still 198.7 MB. Free memory was 174.5 MB in the beginning and 172.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 20:23:21,547 INFO L168 Benchmark]: RCFGBuilder took 507.33 ms. Allocated memory is still 198.7 MB. Free memory was 172.6 MB in the beginning and 150.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-20 20:23:21,548 INFO L168 Benchmark]: Sifa took 27776.47 ms. Allocated memory was 198.7 MB in the beginning and 307.8 MB in the end (delta: 109.1 MB). Free memory was 150.1 MB in the beginning and 154.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 104.2 MB. Max. memory is 7.1 GB. [2019-09-20 20:23:21,556 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 132.1 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 380.07 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 87.7 MB in the beginning and 174.5 MB in the end (delta: -86.7 MB). Peak memory consumption was 24.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.06 ms. Allocated memory is still 198.7 MB. Free memory was 174.5 MB in the beginning and 172.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 507.33 ms. Allocated memory is still 198.7 MB. Free memory was 172.6 MB in the beginning and 150.1 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Sifa took 27776.47 ms. Allocated memory was 198.7 MB in the beginning and 307.8 MB in the end (delta: 109.1 MB). Free memory was 150.1 MB in the beginning and 154.9 MB in the end (delta: -4.8 MB). Peak memory consumption was 104.2 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]: 27727, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 47, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 40, TOOLS_POST_TIME[ms]: 23179, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 18, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 63, TOOLS_QUANTIFIERELIM_APPLICATIONS: 46, TOOLS_QUANTIFIERELIM_TIME[ms]: 23224, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20439, FLUID_QUERY_TIME[ms]: 5, FLUID_QUERIES: 60, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 19, DOMAIN_JOIN_TIME[ms]: 522, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 16, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 3720, DOMAIN_ISSUBSETEQ_APPLICATIONS: 16, DOMAIN_ISSUBSETEQ_TIME[ms]: 104, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 20, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 25556, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 25555, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 82, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 16, DAG_COMPRESSION_PROCESSED_NODES: 119, DAG_COMPRESSION_RETAINED_NODES: 43 - UnprovableResult [Line: 51]: 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 141#(exists ((v_main_~pa~0.base_BEFORE_CALL_1 Int) (v_main_~pa~0.offset_BEFORE_CALL_1 Int)) (and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (<= (select (select |#memory_int| v_main_~pa~0.base_BEFORE_CALL_1) v_main_~pa~0.offset_BEFORE_CALL_1) main_~i~0) (not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|))))) (+ (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) (select (select |#memory_$Pointer$.offset| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (* 4 main_~i~0) (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|)))) 4)))))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...