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 TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-19 21:43:13,665 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-19 21:43:13,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-19 21:43:13,679 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-19 21:43:13,679 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-19 21:43:13,681 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-19 21:43:13,682 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-19 21:43:13,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-19 21:43:13,685 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-19 21:43:13,686 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-19 21:43:13,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-19 21:43:13,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-19 21:43:13,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-19 21:43:13,690 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-19 21:43:13,691 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-19 21:43:13,692 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-19 21:43:13,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-19 21:43:13,694 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-19 21:43:13,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-19 21:43:13,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-19 21:43:13,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-19 21:43:13,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-19 21:43:13,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-19 21:43:13,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-19 21:43:13,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-19 21:43:13,705 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-19 21:43:13,705 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-19 21:43:13,706 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-19 21:43:13,707 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-19 21:43:13,707 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-19 21:43:13,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-19 21:43:13,708 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-19 21:43:13,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-19 21:43:13,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-19 21:43:13,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-19 21:43:13,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-19 21:43:13,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-19 21:43:13,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-19 21:43:13,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-19 21:43:13,713 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-19 21:43:13,714 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-19 21:43:13,715 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 [2019-09-19 21:43:13,729 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-19 21:43:13,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-19 21:43:13,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-19 21:43:13,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-19 21:43:13,731 INFO L138 SettingsManager]: * Use SBE=true [2019-09-19 21:43:13,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-19 21:43:13,731 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-19 21:43:13,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-19 21:43:13,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-19 21:43:13,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-19 21:43:13,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-19 21:43:13,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-19 21:43:13,735 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-19 21:43:13,735 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-19 21:43:13,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-19 21:43:13,735 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-19 21:43:13,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-19 21:43:13,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-19 21:43:13,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-19 21:43:13,737 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-19 21:43:13,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-19 21:43:13,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-19 21:43:13,738 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-19 21:43:13,738 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-19 21:43:13,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-19 21:43:13,739 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-19 21:43:13,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-19 21:43:13,739 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-19 21:43:13,739 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 -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-19 21:43:13,789 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-19 21:43:13,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-19 21:43:13,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-19 21:43:13,807 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-19 21:43:13,808 INFO L275 PluginConnector]: CDTParser initialized [2019-09-19 21:43:13,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2019-09-19 21:43:13,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f1d8125/27de8e3aa9754a59916d989c237dd7a5/FLAGb9fbd0899 [2019-09-19 21:43:14,392 INFO L306 CDTParser]: Found 1 translation units. [2019-09-19 21:43:14,393 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lh-reducer.c [2019-09-19 21:43:14,403 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f1d8125/27de8e3aa9754a59916d989c237dd7a5/FLAGb9fbd0899 [2019-09-19 21:43:14,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72f1d8125/27de8e3aa9754a59916d989c237dd7a5 [2019-09-19 21:43:14,725 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-19 21:43:14,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-19 21:43:14,727 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-19 21:43:14,727 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-19 21:43:14,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-19 21:43:14,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:43:14" (1/1) ... [2019-09-19 21:43:14,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f723ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:14, skipping insertion in model container [2019-09-19 21:43:14,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.09 09:43:14" (1/1) ... [2019-09-19 21:43:14,740 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-19 21:43:14,771 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-19 21:43:15,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:43:15,168 INFO L188 MainTranslator]: Completed pre-run [2019-09-19 21:43:15,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-19 21:43:15,269 INFO L192 MainTranslator]: Completed translation [2019-09-19 21:43:15,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:15 WrapperNode [2019-09-19 21:43:15,269 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-19 21:43:15,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-19 21:43:15,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-19 21:43:15,270 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-19 21:43:15,284 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:15" (1/1) ... [2019-09-19 21:43:15,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:15" (1/1) ... [2019-09-19 21:43:15,302 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:15" (1/1) ... [2019-09-19 21:43:15,302 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:15" (1/1) ... [2019-09-19 21:43:15,352 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:15" (1/1) ... [2019-09-19 21:43:15,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:15" (1/1) ... [2019-09-19 21:43:15,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:15" (1/1) ... [2019-09-19 21:43:15,368 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-19 21:43:15,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-19 21:43:15,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-19 21:43:15,369 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-19 21:43:15,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.09 09:43:15" (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 [2019-09-19 21:43:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-19 21:43:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-19 21:43:15,456 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-19 21:43:15,456 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-19 21:43:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-19 21:43:15,457 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-19 21:43:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-19 21:43:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-19 21:43:15,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-19 21:43:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-19 21:43:15,459 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-19 21:43:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-19 21:43:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-19 21:43:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-19 21:43:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-19 21:43:15,460 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-19 21:43:15,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-19 21:43:16,192 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-19 21:43:16,193 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-19 21:43:16,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:43:16 BoogieIcfgContainer [2019-09-19 21:43:16,195 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-19 21:43:16,195 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-19 21:43:16,196 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-19 21:43:16,196 INFO L275 PluginConnector]: Sifa initialized [2019-09-19 21:43:16,197 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.09 09:43:16" (1/1) ... [2019-09-19 21:43:16,198 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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=NeverFluid [2019-09-19 21:43:16,231 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-19 21:43:16,231 INFO L169 IcfgInterpreter]: Building call graph [2019-09-19 21:43:16,240 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-19 21:43:16,253 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-19 21:43:16,255 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-19 21:43:16,591 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-19 21:43:16,843 WARN L191 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 82 [2019-09-19 21:43:17,057 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-19 21:43:17,064 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 88 for LOIs [2019-09-19 21:44:10,230 WARN L191 SmtUtils]: Spent 28.55 s on a formula simplification that was a NOOP. DAG size: 932 [2019-09-19 21:44:47,908 WARN L191 SmtUtils]: Spent 16.38 s on a formula simplification that was a NOOP. DAG size: 971 [2019-09-19 21:45:21,553 WARN L191 SmtUtils]: Spent 33.59 s on a formula simplification. DAG size of input: 1010 DAG size of output: 981 [2019-09-19 21:45:37,969 WARN L191 SmtUtils]: Spent 16.41 s on a formula simplification that was a NOOP. DAG size: 981 [2019-09-19 21:46:34,006 WARN L191 SmtUtils]: Spent 56.02 s on a formula simplification. DAG size of input: 990 DAG size of output: 987 [2019-09-19 21:47:02,277 WARN L191 SmtUtils]: Spent 28.27 s on a formula simplification that was a NOOP. DAG size: 987 [2019-09-19 21:47:59,038 WARN L191 SmtUtils]: Spent 56.69 s on a formula simplification. DAG size of input: 1018 DAG size of output: 988 [2019-09-19 21:48:27,264 WARN L191 SmtUtils]: Spent 28.22 s on a formula simplification that was a NOOP. DAG size: 988 [2019-09-19 21:49:47,158 WARN L191 SmtUtils]: Spent 1.33 m on a formula simplification. DAG size of input: 995 DAG size of output: 994 [2019-09-19 21:50:27,367 WARN L191 SmtUtils]: Spent 40.21 s on a formula simplification that was a NOOP. DAG size: 994 [2019-09-19 21:51:47,680 WARN L191 SmtUtils]: Spent 1.34 m on a formula simplification. DAG size of input: 1022 DAG size of output: 993 [2019-09-19 21:52:27,311 WARN L191 SmtUtils]: Spent 39.63 s on a formula simplification that was a NOOP. DAG size: 993 [2019-09-19 21:54:10,853 WARN L191 SmtUtils]: Spent 1.73 m on a formula simplification. DAG size of input: 1002 DAG size of output: 1001 [2019-09-19 21:54:10,938 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-19 21:54:10,938 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-19 21:54:10,940 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 54#(and (= main_~Id_MCDC_89____CPAchecker_TMP_1~0 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__Id_MCDC_92~1) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (= main_~__tmp_3~0 main_~Id_MCDC_89____CPAchecker_TMP_1~0)) [2019-09-19 21:54:10,963 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-19 21:54:10,964 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-19 21:54:10,966 INFO L168 Benchmark]: Toolchain (without parser) took 656238.87 ms. Allocated memory was 132.6 MB in the beginning and 136.3 MB in the end (delta: 3.7 MB). Free memory was 87.6 MB in the beginning and 65.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-19 21:54:10,969 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-19 21:54:10,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 542.49 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.4 MB in the beginning and 170.3 MB in the end (delta: -82.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. [2019-09-19 21:54:10,978 INFO L168 Benchmark]: Boogie Preprocessor took 97.73 ms. Allocated memory is still 200.8 MB. Free memory was 170.3 MB in the beginning and 166.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-19 21:54:10,979 INFO L168 Benchmark]: RCFGBuilder took 826.77 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 92.5 MB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. [2019-09-19 21:54:10,979 INFO L168 Benchmark]: Sifa took 654768.30 ms. Allocated memory was 200.8 MB in the beginning and 136.3 MB in the end (delta: -64.5 MB). Free memory was 92.5 MB in the beginning and 65.0 MB in the end (delta: 27.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-19 21:54:10,993 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 542.49 ms. Allocated memory was 132.6 MB in the beginning and 200.8 MB in the end (delta: 68.2 MB). Free memory was 87.4 MB in the beginning and 170.3 MB in the end (delta: -82.9 MB). Peak memory consumption was 25.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.73 ms. Allocated memory is still 200.8 MB. Free memory was 170.3 MB in the beginning and 166.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 826.77 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 92.5 MB in the end (delta: 73.6 MB). Peak memory consumption was 73.6 MB. Max. memory is 7.1 GB. * Sifa took 654768.30 ms. Allocated memory was 200.8 MB in the beginning and 136.3 MB in the end (delta: -64.5 MB). Free memory was 92.5 MB in the beginning and 65.0 MB in the end (delta: 27.6 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]: 654710, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 31, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 28, TOOLS_POST_TIME[ms]: 91569, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 33, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 3, TOOLS_QUANTIFIERELIM_APPLICATIONS: 31, TOOLS_QUANTIFIERELIM_TIME[ms]: 91557, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 90836, FLUID_QUERY_TIME[ms]: 0, FLUID_QUERIES: 35, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6, DOMAIN_JOIN_TIME[ms]: 255059, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 307910, DOMAIN_ISSUBSETEQ_APPLICATIONS: 4, DOMAIN_ISSUBSETEQ_TIME[ms]: 49, DOMAIN_ISBOTTOM_APPLICATIONS: 0, DOMAIN_ISBOTTOM_TIME[ms]: 0, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 562975, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 562974, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 4, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 1, CALL_SUMMARIZER_OVERALL_TIME[ms]: 733, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 733, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 4, PATH_EXPR_TIME[ms]: 4, REGEX_TO_DAG_TIME[ms]: 3, DAG_COMPRESSION_TIME[ms]: 20, DAG_COMPRESSION_PROCESSED_NODES: 66, DAG_COMPRESSION_RETAINED_NODES: 36 - UnprovableResult [Line: 219]: 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 54#(and (= main_~Id_MCDC_89____CPAchecker_TMP_1~0 0) (= main_~__tmp_3~0 main_~__VERIFIER_assert__Id_MCDC_92~1) (not (< (mod ~Id_MCDC_93~0 4294967296) 42)) (= main_~__tmp_3~0 main_~Id_MCDC_89____CPAchecker_TMP_1~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...