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.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/eca-rers2012/Problem04_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-14 00:54:28,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 00:54:28,485 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 00:54:28,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 00:54:28,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 00:54:28,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 00:54:28,499 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 00:54:28,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 00:54:28,503 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 00:54:28,504 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 00:54:28,505 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 00:54:28,506 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 00:54:28,507 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 00:54:28,508 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 00:54:28,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 00:54:28,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 00:54:28,511 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 00:54:28,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 00:54:28,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 00:54:28,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 00:54:28,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 00:54:28,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 00:54:28,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 00:54:28,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 00:54:28,523 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 00:54:28,524 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 00:54:28,524 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 00:54:28,525 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 00:54:28,526 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 00:54:28,527 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 00:54:28,527 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 00:54:28,528 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 00:54:28,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 00:54:28,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 00:54:28,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 00:54:28,531 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 00:54:28,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 00:54:28,531 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 00:54:28,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 00:54:28,532 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 00:54:28,533 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 00:54:28,534 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 [2019-10-14 00:54:28,557 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 00:54:28,557 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 00:54:28,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 00:54:28,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 00:54:28,559 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 00:54:28,559 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 00:54:28,560 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 00:54:28,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 00:54:28,560 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 00:54:28,560 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 00:54:28,560 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 00:54:28,560 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 00:54:28,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 00:54:28,561 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 00:54:28,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 00:54:28,561 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 00:54:28,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 00:54:28,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 00:54:28,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 00:54:28,562 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 00:54:28,562 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 00:54:28,562 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 00:54:28,563 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 00:54:28,563 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 00:54:28,563 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 00:54:28,563 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 00:54:28,564 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 00:54:28,564 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 00:54:28,564 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: Simplification Technique -> SIMPLIFY_QUICK [2019-10-14 00:54:28,857 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 00:54:28,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 00:54:28,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 00:54:28,877 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 00:54:28,877 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 00:54:28,878 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label05.c [2019-10-14 00:54:28,961 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235379c90/47165fec64274253a87cbec960797d8f/FLAGe0210ce7b [2019-10-14 00:54:29,841 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 00:54:29,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label05.c [2019-10-14 00:54:29,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235379c90/47165fec64274253a87cbec960797d8f/FLAGe0210ce7b [2019-10-14 00:54:29,918 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/235379c90/47165fec64274253a87cbec960797d8f [2019-10-14 00:54:29,930 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 00:54:29,932 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 00:54:29,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 00:54:29,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 00:54:29,940 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 00:54:29,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:54:29" (1/1) ... [2019-10-14 00:54:29,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c9fb768 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:29, skipping insertion in model container [2019-10-14 00:54:29,945 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:54:29" (1/1) ... [2019-10-14 00:54:29,955 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 00:54:30,137 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 00:54:31,571 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:54:31,577 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 00:54:32,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 00:54:32,306 INFO L192 MainTranslator]: Completed translation [2019-10-14 00:54:32,306 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:32 WrapperNode [2019-10-14 00:54:32,307 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 00:54:32,307 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 00:54:32,308 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 00:54:32,308 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 00:54:32,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:32" (1/1) ... [2019-10-14 00:54:32,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:32" (1/1) ... [2019-10-14 00:54:32,387 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:32" (1/1) ... [2019-10-14 00:54:32,388 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:32" (1/1) ... [2019-10-14 00:54:32,482 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:32" (1/1) ... [2019-10-14 00:54:32,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:32" (1/1) ... [2019-10-14 00:54:32,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:32" (1/1) ... [2019-10-14 00:54:32,560 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 00:54:32,561 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 00:54:32,561 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 00:54:32,561 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 00:54:32,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:54:32" (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 [2019-10-14 00:54:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 00:54:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 00:54:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-10-14 00:54:32,630 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-10-14 00:54:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-10-14 00:54:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-10-14 00:54:32,631 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 00:54:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-10-14 00:54:32,631 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-10-14 00:54:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-10-14 00:54:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-10-14 00:54:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 00:54:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 00:54:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-10-14 00:54:32,632 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 00:54:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 00:54:32,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 00:54:38,095 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 00:54:38,096 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-14 00:54:38,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:54:38 BoogieIcfgContainer [2019-10-14 00:54:38,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 00:54:38,099 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-14 00:54:38,100 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-14 00:54:38,100 INFO L275 PluginConnector]: Sifa initialized [2019-10-14 00:54:38,101 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:54:38" (1/1) ... [2019-10-14 00:54:38,102 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-14 00:54:38,149 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-14 00:54:38,150 INFO L169 IcfgInterpreter]: Building call graph [2019-10-14 00:54:38,173 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-14 00:54:38,187 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-14 00:54:38,189 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-14 00:54:38,422 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2019-10-14 00:54:38,560 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 103 for LOIs [2019-10-14 00:54:42,347 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-10-14 00:54:42,403 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6373 conjuctions. This might take some time... [2019-10-14 00:54:42,528 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-10-14 00:54:42,582 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6373 conjuctions. This might take some time... [2019-10-14 00:54:42,675 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-10-14 00:54:42,723 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6373 conjuctions. This might take some time... [2019-10-14 00:54:42,909 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 25 [2019-10-14 00:54:42,961 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 33 [2019-10-14 00:54:50,786 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 90 for LOIs [2019-10-14 00:54:53,756 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output2 with input of size 76 for LOIs [2019-10-14 00:54:56,946 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output3 with input of size 105 for LOIs [2019-10-14 00:54:59,472 INFO L199 IcfgInterpreter]: Interpreting procedure calculate_output4 with input of size 109 for LOIs [2019-10-14 00:55:00,464 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-10-14 00:55:00,596 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6571 conjuctions. This might take some time... [2019-10-14 00:55:00,855 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 28 [2019-10-14 00:55:00,934 WARN L177 XnfTransformerHelper]: Simplifying disjunction of 6571 conjuctions. This might take some time... [2019-10-14 00:55:01,221 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-14 00:55:01,221 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-14 00:55:01,223 INFO L193 IcfgInterpreter]: Reachable states at location calculate_output4Err0ASSERT_VIOLATIONERROR_FUNCTION satisfy 64123#(and (<= 1 ~a3~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a7~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= 16 ~a4~0) (<= ~a~0 1) (= 1 ~a7~0) (= ~a14~0 19) (<= ~d~0 4) (<= 15 ~a28~0) (<= ~a28~0 15) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (= ~a26~0 17) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~b~0 2) (<= 21 ~u~0) (<= ~a26~0 17) (<= |calculate_output4_#in~input| 6) (<= ~a7~0 1) (= ~a25~0 1) (<= 23 ~w~0) (<= 19 ~a14~0) (<= ~w~0 23) (<= 17 ~a26~0) (<= ~a4~0 16) (<= 5 ~e~0) (= 1 ~a1~0) (<= 1 ~a25~0) (<= ~a3~0 1) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a14~0 19) (<= 1 ~a1~0) (<= 2 ~b~0) (<= 4 ~d~0) (= ~a28~0 15) (<= ~a1~0 1) (<= ~e~0 5)) [2019-10-14 00:55:01,239 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-14 00:55:01,240 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-14 00:55:01,242 INFO L168 Benchmark]: Toolchain (without parser) took 31309.93 ms. Allocated memory was 137.9 MB in the beginning and 990.9 MB in the end (delta: 853.0 MB). Free memory was 87.2 MB in the beginning and 667.7 MB in the end (delta: -580.5 MB). Peak memory consumption was 272.6 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:01,243 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-14 00:55:01,244 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2371.81 ms. Allocated memory was 137.9 MB in the beginning and 256.4 MB in the end (delta: 118.5 MB). Free memory was 87.0 MB in the beginning and 175.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 118.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:01,245 INFO L168 Benchmark]: Boogie Preprocessor took 252.58 ms. Allocated memory is still 256.4 MB. Free memory was 175.6 MB in the beginning and 146.5 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:01,246 INFO L168 Benchmark]: RCFGBuilder took 5538.41 ms. Allocated memory was 256.4 MB in the beginning and 398.5 MB in the end (delta: 142.1 MB). Free memory was 146.5 MB in the beginning and 72.1 MB in the end (delta: 74.4 MB). Peak memory consumption was 236.3 MB. Max. memory is 7.1 GB. [2019-10-14 00:55:01,247 INFO L168 Benchmark]: Sifa took 23140.22 ms. Allocated memory was 398.5 MB in the beginning and 990.9 MB in the end (delta: 592.4 MB). Free memory was 72.1 MB in the beginning and 667.7 MB in the end (delta: -595.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-14 00:55:01,253 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2371.81 ms. Allocated memory was 137.9 MB in the beginning and 256.4 MB in the end (delta: 118.5 MB). Free memory was 87.0 MB in the beginning and 175.6 MB in the end (delta: -88.6 MB). Peak memory consumption was 118.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 252.58 ms. Allocated memory is still 256.4 MB. Free memory was 175.6 MB in the beginning and 146.5 MB in the end (delta: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5538.41 ms. Allocated memory was 256.4 MB in the beginning and 398.5 MB in the end (delta: 142.1 MB). Free memory was 146.5 MB in the beginning and 72.1 MB in the end (delta: 74.4 MB). Peak memory consumption was 236.3 MB. Max. memory is 7.1 GB. * Sifa took 23140.22 ms. Allocated memory was 398.5 MB in the beginning and 990.9 MB in the end (delta: 592.4 MB). Free memory was 72.1 MB in the beginning and 667.7 MB in the end (delta: -595.6 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 23074, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2293, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 2281, TOOLS_POST_TIME[ms]: 851, TOOLS_POST_CALL_APPLICATIONS: 11, TOOLS_POST_CALL_TIME[ms]: 64, TOOLS_POST_RETURN_APPLICATIONS: 6, TOOLS_POST_RETURN_TIME[ms]: 23, TOOLS_QUANTIFIERELIM_APPLICATIONS: 2298, TOOLS_QUANTIFIERELIM_TIME[ms]: 572, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 44, FLUID_QUERIES: 2295, FLUID_YES_ANSWERS: 1574, DOMAIN_JOIN_APPLICATIONS: 759, DOMAIN_JOIN_TIME[ms]: 6538, DOMAIN_ALPHA_APPLICATIONS: 1574, DOMAIN_ALPHA_TIME[ms]: 13662, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 38, DOMAIN_ISSUBSETEQ_APPLICATIONS: 2, DOMAIN_ISSUBSETEQ_TIME[ms]: 5, DOMAIN_ISBOTTOM_APPLICATIONS: 751, DOMAIN_ISBOTTOM_TIME[ms]: 1132, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 12211, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12211, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 6, CALL_SUMMARIZER_CACHE_MISSES: 5, CALL_SUMMARIZER_OVERALL_TIME[ms]: 12283, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 12282, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 85, REGEX_TO_DAG_TIME[ms]: 14, DAG_COMPRESSION_TIME[ms]: 322, DAG_COMPRESSION_PROCESSED_NODES: 37549, DAG_COMPRESSION_RETAINED_NODES: 1561 - UnprovableResult [Line: 4706]: 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 64123#(and (<= 1 ~a3~0) (<= ~x~0 24) (<= 6 ~f~0) (<= 1 ~a7~0) (<= 1 ~a~0) (<= 3 ~c~0) (<= ~c~0 3) (<= ~z~0 26) (= 16 ~a4~0) (<= ~a~0 1) (= 1 ~a7~0) (= ~a14~0 19) (<= ~d~0 4) (<= 15 ~a28~0) (<= ~a28~0 15) (<= 1 calculate_output4_~input) (<= calculate_output4_~input 6) (<= 25 ~y~0) (= ~a26~0 17) (<= 16 ~a4~0) (<= ~a25~0 1) (<= ~f~0 6) (<= 1 |calculate_output4_#in~input|) (= 1 ~a3~0) (<= ~v~0 22) (<= ~u~0 21) (<= 26 ~z~0) (<= 24 ~x~0) (<= ~b~0 2) (<= 21 ~u~0) (<= ~a26~0 17) (<= |calculate_output4_#in~input| 6) (<= ~a7~0 1) (= ~a25~0 1) (<= 23 ~w~0) (<= 19 ~a14~0) (<= ~w~0 23) (<= 17 ~a26~0) (<= ~a4~0 16) (<= 5 ~e~0) (= 1 ~a1~0) (<= 1 ~a25~0) (<= ~a3~0 1) (<= ~y~0 25) (<= 22 ~v~0) (<= ~a14~0 19) (<= 1 ~a1~0) (<= 2 ~b~0) (<= 4 ~d~0) (= ~a28~0 15) (<= ~a1~0 1) (<= ~e~0 5)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...