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 SingleStatement --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/ldv-regression/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 19:27:17,379 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 19:27:17,381 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 19:27:17,392 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 19:27:17,393 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 19:27:17,394 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 19:27:17,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 19:27:17,397 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 19:27:17,398 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 19:27:17,399 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 19:27:17,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 19:27:17,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 19:27:17,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 19:27:17,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 19:27:17,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 19:27:17,405 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 19:27:17,405 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 19:27:17,406 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 19:27:17,408 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 19:27:17,410 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 19:27:17,412 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 19:27:17,413 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 19:27:17,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 19:27:17,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 19:27:17,419 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 19:27:17,432 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 19:27:17,433 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 19:27:17,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 19:27:17,434 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 19:27:17,461 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 19:27:17,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 19:27:17,463 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 19:27:17,463 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 19:27:17,463 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 19:27:17,463 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 19:27:17,464 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 19:27:17,464 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 19:27:17,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 19:27:17,464 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 19:27:17,464 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 19:27:17,464 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 19:27:17,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 19:27:17,465 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 19:27:17,465 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 19:27:17,465 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 19:27:17,465 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 19:27:17,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 19:27:17,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 19:27:17,466 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 19:27:17,466 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 19:27:17,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 19:27:17,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 19:27:17,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 19:27:17,467 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 19:27:17,467 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 19:27:17,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 19:27:17,468 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 19:27:17,468 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 -> SingleStatement 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 19:27:17,505 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 19:27:17,521 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 19:27:17,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 19:27:17,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 19:27:17,527 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 19:27:17,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-09-20 19:27:17,602 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f7bb6fc/9d756680e3754b098d7fe03cc977f7c2/FLAG779a0b462 [2019-09-20 19:27:18,040 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 19:27:18,043 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-09-20 19:27:18,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f7bb6fc/9d756680e3754b098d7fe03cc977f7c2/FLAG779a0b462 [2019-09-20 19:27:18,421 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6f7bb6fc/9d756680e3754b098d7fe03cc977f7c2 [2019-09-20 19:27:18,430 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 19:27:18,431 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 19:27:18,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:18,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 19:27:18,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 19:27:18,436 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:18" (1/1) ... [2019-09-20 19:27:18,439 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cf23f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18, skipping insertion in model container [2019-09-20 19:27:18,440 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 07:27:18" (1/1) ... [2019-09-20 19:27:18,446 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 19:27:18,462 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 19:27:18,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:18,620 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 19:27:18,638 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 19:27:18,655 INFO L192 MainTranslator]: Completed translation [2019-09-20 19:27:18,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18 WrapperNode [2019-09-20 19:27:18,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 19:27:18,657 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 19:27:18,657 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 19:27:18,657 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 19:27:18,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18" (1/1) ... [2019-09-20 19:27:18,760 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18" (1/1) ... [2019-09-20 19:27:18,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18" (1/1) ... [2019-09-20 19:27:18,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18" (1/1) ... [2019-09-20 19:27:18,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18" (1/1) ... [2019-09-20 19:27:18,777 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18" (1/1) ... [2019-09-20 19:27:18,779 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18" (1/1) ... [2019-09-20 19:27:18,782 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 19:27:18,782 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 19:27:18,782 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 19:27:18,783 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 19:27:18,784 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 07:27:18" (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 19:27:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 19:27:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 19:27:18,835 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-20 19:27:18,836 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 19:27:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 19:27:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 19:27:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-20 19:27:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 19:27:18,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 19:27:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 19:27:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 19:27:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 19:27:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 19:27:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 19:27:18,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 19:27:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 19:27:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 19:27:18,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 19:27:19,134 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 19:27:19,135 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 19:27:19,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:19 BoogieIcfgContainer [2019-09-20 19:27:19,136 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 19:27:19,137 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 19:27:19,137 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 19:27:19,137 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 19:27:19,138 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 07:27:19" (1/1) ... [2019-09-20 19:27:19,139 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_DDA ♦ Intern Fluid=SizeLimitFluid [2019-09-20 19:27:19,167 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 19:27:19,167 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 19:27:19,176 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 19:27:19,185 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 19:27:19,186 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 19:27:19,377 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 23 for LOIs [2019-09-20 19:27:19,687 WARN L191 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2019-09-20 19:27:19,883 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 46 [2019-09-20 19:27:20,199 WARN L191 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2019-09-20 19:27:20,594 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-09-20 19:27:20,780 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 19:27:20,923 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2019-09-20 19:27:20,923 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 19:27:20,924 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 19:27:20,926 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 59#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |main_~#pb~1.offset|) (= |#length| (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#pa~1.base| 4) |main_~#pb~1.base| 4)) (= 0 |#NULL.base|) (< |main_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (not (= 0 |main_~#a~0.base|)) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base|) 0) (not (= 0 |main_~#pa~1.base|)) (<= (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483647) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base|) 0) (= |main_~#b~0.offset| 0) (< |main_~#pb~1.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) (= (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base| 1) |#valid|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483648)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (= |#NULL.offset| 0) (= |main_~#b~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= 0 |main_~#pa~1.offset|)) [2019-09-20 19:27:20,947 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 19:27:20,948 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 19:27:20,950 INFO L168 Benchmark]: Toolchain (without parser) took 2518.26 ms. Allocated memory was 132.6 MB in the beginning and 223.9 MB in the end (delta: 91.2 MB). Free memory was 87.1 MB in the beginning and 85.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:20,950 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 19:27:20,951 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.91 ms. Allocated memory is still 132.6 MB. Free memory was 86.9 MB in the beginning and 77.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:20,952 INFO L168 Benchmark]: Boogie Preprocessor took 124.79 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 77.0 MB in the beginning and 176.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:20,953 INFO L168 Benchmark]: RCFGBuilder took 354.25 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 156.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:20,954 INFO L168 Benchmark]: Sifa took 1811.14 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 156.6 MB in the beginning and 85.8 MB in the end (delta: 70.8 MB). Peak memory consumption was 94.4 MB. Max. memory is 7.1 GB. [2019-09-20 19:27:20,958 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 132.6 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 224.91 ms. Allocated memory is still 132.6 MB. Free memory was 86.9 MB in the beginning and 77.0 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.79 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 77.0 MB in the beginning and 176.0 MB in the end (delta: -99.0 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 354.25 ms. Allocated memory is still 200.3 MB. Free memory was 176.0 MB in the beginning and 156.6 MB in the end (delta: 19.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. * Sifa took 1811.14 ms. Allocated memory was 200.3 MB in the beginning and 223.9 MB in the end (delta: 23.6 MB). Free memory was 156.6 MB in the beginning and 85.8 MB in the end (delta: 70.8 MB). Peak memory consumption was 94.4 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]: 1760, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 33, TOOLS_POST_TIME[ms]: 489, TOOLS_POST_CALL_APPLICATIONS: 3, TOOLS_POST_CALL_TIME[ms]: 814, TOOLS_POST_RETURN_APPLICATIONS: 2, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_APPLICATIONS: 38, TOOLS_QUANTIFIERELIM_TIME[ms]: 1282, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 780, FLUID_QUERY_TIME[ms]: 6, FLUID_QUERIES: 36, FLUID_YES_ANSWERS: 1, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME[ms]: 339, DOMAIN_ALPHA_APPLICATIONS: 1, DOMAIN_ALPHA_TIME[ms]: 15, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, 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: 2, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 533, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 532, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 24, DAG_COMPRESSION_PROCESSED_NODES: 110, DAG_COMPRESSION_RETAINED_NODES: 69 - UnprovableResult [Line: 22]: 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 59#(and (< |main_~#a~0.base| |#StackHeapBarrier|) (= 0 |main_~#pb~1.offset|) (= |#length| (store (store (store (store |old(#length)| |main_~#a~0.base| 4) |main_~#b~0.base| 4) |main_~#pa~1.base| 4) |main_~#pb~1.base| 4)) (= 0 |#NULL.base|) (< |main_~#pa~1.base| |#StackHeapBarrier|) (not (= |main_~#b~0.base| 0)) (= 0 (select |old(#valid)| |main_~#a~0.base|)) (not (= 0 |main_~#a~0.base|)) (= (select (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base|) 0) (not (= 0 |main_~#pa~1.base|)) (<= (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483647) (= (select (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base|) 0) (= |main_~#b~0.offset| 0) (< |main_~#pb~1.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| 0) (< |main_~#b~0.base| |#StackHeapBarrier|) (= |main_~#a~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pa~1.base|) |main_~#pa~1.offset|)) (not (= (select (select |#memory_int| |main_~#b~0.base|) |main_~#b~0.offset|) (select (select |#memory_int| |main_~#a~0.base|) |main_~#a~0.offset|))) (= (store (store (store (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base| 1) |main_~#pa~1.base| 1) |main_~#pb~1.base| 1) |#valid|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pa~1.base|) |main_~#pa~1.offset|) |main_~#a~0.base|) (= (select (select |old(#memory_$Pointer$.base)| |main_~#pb~1.base|) |main_~#pb~1.offset|) |main_~#b~0.base|) (<= 0 (+ (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483648)) (= 0 (select |old(#valid)| 0)) (<= 0 (+ (select (select |old(#memory_int)| |main_~#a~0.base|) |main_~#a~0.offset|) 2147483648)) (= (select (store |old(#valid)| |main_~#a~0.base| 1) |main_~#b~0.base|) 0) (<= (select (select |old(#memory_int)| |main_~#b~0.base|) |main_~#b~0.offset|) 2147483647) (not (= |main_~#pb~1.base| 0)) (= |#NULL.offset| 0) (= |main_~#b~0.offset| (select (select |old(#memory_$Pointer$.offset)| |main_~#pb~1.base|) |main_~#pb~1.offset|)) (= 0 |main_~#pa~1.offset|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...