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/test27-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-17 16:26:32,467 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-17 16:26:32,469 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-17 16:26:32,481 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-17 16:26:32,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-17 16:26:32,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-17 16:26:32,484 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-17 16:26:32,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-17 16:26:32,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-17 16:26:32,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-17 16:26:32,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-17 16:26:32,490 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-17 16:26:32,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-17 16:26:32,491 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-17 16:26:32,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-17 16:26:32,493 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-17 16:26:32,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-17 16:26:32,495 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-17 16:26:32,497 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-17 16:26:32,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-17 16:26:32,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-17 16:26:32,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-17 16:26:32,502 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-17 16:26:32,503 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-17 16:26:32,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-17 16:26:32,506 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-17 16:26:32,506 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-17 16:26:32,507 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-17 16:26:32,507 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-17 16:26:32,508 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-17 16:26:32,508 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-17 16:26:32,509 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-17 16:26:32,510 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-17 16:26:32,511 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-17 16:26:32,512 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-17 16:26:32,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-17 16:26:32,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-17 16:26:32,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-17 16:26:32,513 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-17 16:26:32,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-17 16:26:32,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-17 16:26:32,515 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 16:26:32,529 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-17 16:26:32,530 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-17 16:26:32,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-17 16:26:32,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-17 16:26:32,531 INFO L138 SettingsManager]: * Use SBE=true [2019-09-17 16:26:32,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-17 16:26:32,532 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-17 16:26:32,532 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-17 16:26:32,532 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-17 16:26:32,532 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-17 16:26:32,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-17 16:26:32,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-17 16:26:32,533 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-17 16:26:32,533 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-17 16:26:32,533 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-17 16:26:32,534 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-17 16:26:32,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-17 16:26:32,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-17 16:26:32,534 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-17 16:26:32,534 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-17 16:26:32,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-17 16:26:32,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-17 16:26:32,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-17 16:26:32,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-17 16:26:32,535 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-17 16:26:32,536 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-17 16:26:32,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-17 16:26:32,536 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-17 16:26:32,536 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 16:26:32,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-17 16:26:32,583 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-17 16:26:32,588 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-17 16:26:32,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-17 16:26:32,592 INFO L275 PluginConnector]: CDTParser initialized [2019-09-17 16:26:32,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-17 16:26:32,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a89712af/94ee5f4b1efb4107975ea6b968e7eca0/FLAGce2605eed [2019-09-17 16:26:33,111 INFO L306 CDTParser]: Found 1 translation units. [2019-09-17 16:26:33,112 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test27-1.c [2019-09-17 16:26:33,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a89712af/94ee5f4b1efb4107975ea6b968e7eca0/FLAGce2605eed [2019-09-17 16:26:33,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0a89712af/94ee5f4b1efb4107975ea6b968e7eca0 [2019-09-17 16:26:33,503 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-17 16:26:33,504 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-17 16:26:33,505 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-17 16:26:33,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-17 16:26:33,508 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-17 16:26:33,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:26:33" (1/1) ... [2019-09-17 16:26:33,512 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a0a704b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33, skipping insertion in model container [2019-09-17 16:26:33,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.09 04:26:33" (1/1) ... [2019-09-17 16:26:33,520 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-17 16:26:33,539 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-17 16:26:33,721 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:26:33,733 INFO L188 MainTranslator]: Completed pre-run [2019-09-17 16:26:33,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-17 16:26:33,873 INFO L192 MainTranslator]: Completed translation [2019-09-17 16:26:33,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33 WrapperNode [2019-09-17 16:26:33,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-17 16:26:33,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-17 16:26:33,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-17 16:26:33,875 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-17 16:26:33,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33" (1/1) ... [2019-09-17 16:26:33,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33" (1/1) ... [2019-09-17 16:26:33,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33" (1/1) ... [2019-09-17 16:26:33,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33" (1/1) ... [2019-09-17 16:26:33,908 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33" (1/1) ... [2019-09-17 16:26:33,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33" (1/1) ... [2019-09-17 16:26:33,916 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33" (1/1) ... [2019-09-17 16:26:33,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-17 16:26:33,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-17 16:26:33,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-17 16:26:33,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-17 16:26:33,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.09 04:26:33" (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 16:26:33,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-17 16:26:33,981 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-17 16:26:33,981 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-17 16:26:33,981 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-17 16:26:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-17 16:26:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-17 16:26:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-09-17 16:26:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-17 16:26:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-17 16:26:33,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-17 16:26:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-17 16:26:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-17 16:26:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-17 16:26:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-17 16:26:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-17 16:26:33,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-17 16:26:33,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-17 16:26:34,409 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-17 16:26:34,409 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-17 16:26:34,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:26:34 BoogieIcfgContainer [2019-09-17 16:26:34,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-17 16:26:34,411 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-17 16:26:34,411 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-17 16:26:34,412 INFO L275 PluginConnector]: Sifa initialized [2019-09-17 16:26:34,413 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.09 04:26:34" (1/1) ... [2019-09-17 16:26:34,414 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 16:26:34,436 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-17 16:26:34,436 INFO L169 IcfgInterpreter]: Building call graph [2019-09-17 16:26:34,442 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-17 16:26:34,449 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-17 16:26:34,450 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-17 16:26:34,640 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 25 for LOIs [2019-09-17 16:26:35,001 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2019-09-17 16:26:35,270 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-09-17 16:26:35,521 WARN L191 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 16:26:35,691 WARN L191 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 16:26:35,867 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2019-09-17 16:26:44,438 WARN L191 SmtUtils]: Spent 8.50 s on a formula simplification. DAG size of input: 165 DAG size of output: 163 [2019-09-17 16:26:48,657 WARN L191 SmtUtils]: Spent 4.18 s on a formula simplification that was a NOOP. DAG size: 164 [2019-09-17 16:26:51,395 WARN L191 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 161 [2019-09-17 16:26:53,972 WARN L191 SmtUtils]: Spent 2.45 s on a formula simplification that was a NOOP. DAG size: 183 [2019-09-17 16:26:54,455 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-09-17 16:26:54,635 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2019-09-17 16:26:54,834 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-09-17 16:26:54,952 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2019-09-17 16:26:55,229 WARN L191 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-17 16:26:55,399 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-09-17 16:26:55,698 WARN L191 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 95 [2019-09-17 16:26:56,140 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 93 [2019-09-17 16:26:57,641 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 169 [2019-09-17 16:26:57,966 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 188 [2019-09-17 16:26:58,389 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-17 16:26:58,389 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-17 16:26:58,392 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 199#(and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) 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))))) [2019-09-17 16:26:58,408 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-17 16:26:58,409 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-17 16:26:58,411 INFO L168 Benchmark]: Toolchain (without parser) took 24906.48 ms. Allocated memory was 138.9 MB in the beginning and 310.4 MB in the end (delta: 171.4 MB). Free memory was 86.4 MB in the beginning and 224.1 MB in the end (delta: -137.8 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:58,411 INFO L168 Benchmark]: CDTParser took 1.19 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 16:26:58,412 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.44 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 86.4 MB in the beginning and 178.3 MB in the end (delta: -91.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:58,413 INFO L168 Benchmark]: Boogie Preprocessor took 45.10 ms. Allocated memory is still 200.3 MB. Free memory was 178.3 MB in the beginning and 174.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:58,414 INFO L168 Benchmark]: RCFGBuilder took 491.40 ms. Allocated memory is still 200.3 MB. Free memory was 174.8 MB in the beginning and 153.5 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:58,415 INFO L168 Benchmark]: Sifa took 23997.51 ms. Allocated memory was 200.3 MB in the beginning and 310.4 MB in the end (delta: 110.1 MB). Free memory was 152.6 MB in the beginning and 224.1 MB in the end (delta: -71.6 MB). Peak memory consumption was 38.5 MB. Max. memory is 7.1 GB. [2019-09-17 16:26:58,418 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.19 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 368.44 ms. Allocated memory was 138.9 MB in the beginning and 200.3 MB in the end (delta: 61.3 MB). Free memory was 86.4 MB in the beginning and 178.3 MB in the end (delta: -91.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.10 ms. Allocated memory is still 200.3 MB. Free memory was 178.3 MB in the beginning and 174.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 491.40 ms. Allocated memory is still 200.3 MB. Free memory was 174.8 MB in the beginning and 153.5 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Sifa took 23997.51 ms. Allocated memory was 200.3 MB in the beginning and 310.4 MB in the end (delta: 110.1 MB). Free memory was 152.6 MB in the beginning and 224.1 MB in the end (delta: -71.6 MB). Peak memory consumption was 38.5 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]: 23957, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 46, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 39, TOOLS_POST_TIME[ms]: 18386, TOOLS_POST_CALL_APPLICATIONS: 5, TOOLS_POST_CALL_TIME[ms]: 19, TOOLS_POST_RETURN_APPLICATIONS: 4, TOOLS_POST_RETURN_TIME[ms]: 4, TOOLS_QUANTIFIERELIM_APPLICATIONS: 46, TOOLS_QUANTIFIERELIM_TIME[ms]: 18378, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15532, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 59, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 18, DOMAIN_JOIN_TIME[ms]: 950, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 93, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME[ms]: 4325, DOMAIN_ISSUBSETEQ_APPLICATIONS: 13, DOMAIN_ISSUBSETEQ_TIME[ms]: 103, DOMAIN_ISBOTTOM_APPLICATIONS: 2, DOMAIN_ISBOTTOM_TIME[ms]: 3, LOOP_SUMMARIZER_APPLICATIONS: 2, LOOP_SUMMARIZER_CACHE_MISSES: 2, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 21497, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 21497, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 13, CALL_SUMMARIZER_APPLICATIONS: 4, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 182, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 181, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 15, 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 199#(and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) 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...