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 IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:19:37,181 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:19:37,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:19:37,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:19:37,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:19:37,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:19:37,198 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:19:37,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:19:37,201 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:19:37,202 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:19:37,203 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:19:37,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:19:37,204 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:19:37,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:19:37,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:19:37,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:19:37,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:19:37,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:19:37,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:19:37,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:19:37,214 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:19:37,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:19:37,217 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:19:37,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:19:37,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:19:37,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:19:37,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:19:37,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:19:37,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:19:37,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:19:37,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:19:37,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:19:37,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:19:37,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:19:37,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:19:37,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:19:37,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:19:37,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:19:37,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:19:37,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:19:37,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:19:37,230 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 [2019-09-06 14:19:37,244 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:19:37,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:19:37,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:19:37,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:19:37,246 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:19:37,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:19:37,246 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:19:37,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:19:37,247 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:19:37,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:19:37,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:19:37,247 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:19:37,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:19:37,248 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:19:37,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:19:37,248 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:19:37,248 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:19:37,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:19:37,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:19:37,249 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:19:37,249 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:19:37,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:19:37,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:19:37,250 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:19:37,250 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:19:37,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:19:37,250 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:19:37,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:19:37,251 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 14:19:37,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:19:37,295 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:19:37,302 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:19:37,304 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:19:37,304 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:19:37,305 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-06 14:19:37,385 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894e12055/0a05b0e19dd747528ff717c61a994fee/FLAG015f01dc4 [2019-09-06 14:19:37,988 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:19:37,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-06 14:19:38,007 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894e12055/0a05b0e19dd747528ff717c61a994fee/FLAG015f01dc4 [2019-09-06 14:19:38,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/894e12055/0a05b0e19dd747528ff717c61a994fee [2019-09-06 14:19:38,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:19:38,252 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:19:38,253 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:19:38,253 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:19:38,257 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:19:38,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:19:38" (1/1) ... [2019-09-06 14:19:38,260 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a0320eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38, skipping insertion in model container [2019-09-06 14:19:38,261 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:19:38" (1/1) ... [2019-09-06 14:19:38,268 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:19:38,340 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:19:38,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:19:38,822 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:19:38,957 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:19:38,980 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:19:38,980 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38 WrapperNode [2019-09-06 14:19:38,980 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:19:38,981 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:19:38,981 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:19:38,981 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:19:38,996 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38" (1/1) ... [2019-09-06 14:19:38,996 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38" (1/1) ... [2019-09-06 14:19:39,010 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38" (1/1) ... [2019-09-06 14:19:39,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38" (1/1) ... [2019-09-06 14:19:39,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38" (1/1) ... [2019-09-06 14:19:39,050 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38" (1/1) ... [2019-09-06 14:19:39,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38" (1/1) ... [2019-09-06 14:19:39,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:19:39,063 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:19:39,064 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:19:39,064 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:19:39,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:19:38" (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 [2019-09-06 14:19:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:19:39,148 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:19:39,149 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:19:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:19:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:19:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:19:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:19:39,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:19:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:19:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:19:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:19:39,150 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:19:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:19:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:19:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:19:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:19:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:19:39,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:19:40,457 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:19:40,458 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:19:40,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:19:40 BoogieIcfgContainer [2019-09-06 14:19:40,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:19:40,460 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:19:40,460 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:19:40,460 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:19:40,462 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:19:40" (1/1) ... [2019-09-06 14:19:40,462 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 14:19:40,494 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:19:40,495 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:19:40,523 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:19:40,538 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:19:40,540 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:19:40,749 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 268 for LOIs [2019-09-06 14:19:53,757 WARN L188 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 370 DAG size of output: 343 [2019-09-06 14:19:57,381 WARN L188 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 366 DAG size of output: 339 [2019-09-06 14:20:01,453 WARN L188 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 369 DAG size of output: 342 [2019-09-06 14:20:05,244 WARN L188 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 373 DAG size of output: 346 [2019-09-06 14:20:18,343 WARN L188 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 370 DAG size of output: 343 [2019-09-06 14:20:21,958 WARN L188 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 366 DAG size of output: 339 [2019-09-06 14:20:26,325 WARN L188 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 369 DAG size of output: 342 [2019-09-06 14:20:30,019 WARN L188 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 373 DAG size of output: 346 [2019-09-06 14:20:37,553 WARN L188 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 370 DAG size of output: 343 [2019-09-06 14:20:41,099 WARN L188 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 366 DAG size of output: 339 [2019-09-06 14:20:45,044 WARN L188 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 373 DAG size of output: 346 [2019-09-06 14:20:48,689 WARN L188 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 369 DAG size of output: 342 [2019-09-06 14:20:54,807 WARN L188 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 366 DAG size of output: 339 [2019-09-06 14:20:58,460 WARN L188 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 370 DAG size of output: 343 [2019-09-06 14:21:02,579 WARN L188 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 373 DAG size of output: 346 [2019-09-06 14:21:06,190 WARN L188 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 369 DAG size of output: 342 [2019-09-06 14:21:13,892 WARN L188 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 369 DAG size of output: 342 [2019-09-06 14:21:17,587 WARN L188 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 373 DAG size of output: 346 [2019-09-06 14:21:21,360 WARN L188 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 370 DAG size of output: 343 [2019-09-06 14:21:25,024 WARN L188 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 366 DAG size of output: 339 [2019-09-06 14:21:25,091 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:21:25,091 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:21:25,095 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 10094#(and (<= 0 main_~__tmp_2~0) (<= main_~assert__arg~1 0) (<= 0 main_~assert__arg~1) (<= 0 ~mode3~0) (<= main_~check__tmp~1 0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~1) (<= ~__return_1517~0 0) (<= ~mode3~0 0) (<= ~r1~0 2) (<= 0 main_~main__c1~0) (<= main_~__tmp_2~0 0) (<= 0 ~__return_1517~0)) [2019-09-06 14:21:25,108 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:21:25,109 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:21:25,111 INFO L168 Benchmark]: Toolchain (without parser) took 106858.71 ms. Allocated memory was 133.2 MB in the beginning and 1.5 GB in the end (delta: 1.4 GB). Free memory was 87.6 MB in the beginning and 534.3 MB in the end (delta: -446.7 MB). Peak memory consumption was 955.2 MB. Max. memory is 7.1 GB. [2019-09-06 14:21:25,112 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-06 14:21:25,113 INFO L168 Benchmark]: CACSL2BoogieTranslator took 727.79 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.4 MB in the beginning and 164.5 MB in the end (delta: -77.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. [2019-09-06 14:21:25,113 INFO L168 Benchmark]: Boogie Preprocessor took 81.78 ms. Allocated memory is still 200.3 MB. Free memory was 164.5 MB in the beginning and 160.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-06 14:21:25,114 INFO L168 Benchmark]: RCFGBuilder took 1396.32 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 160.7 MB in the beginning and 186.0 MB in the end (delta: -25.3 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. [2019-09-06 14:21:25,115 INFO L168 Benchmark]: Sifa took 104648.73 ms. Allocated memory was 224.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 186.0 MB in the beginning and 534.3 MB in the end (delta: -348.3 MB). Peak memory consumption was 961.9 MB. Max. memory is 7.1 GB. [2019-09-06 14:21:25,120 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 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 727.79 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.4 MB in the beginning and 164.5 MB in the end (delta: -77.1 MB). Peak memory consumption was 29.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.78 ms. Allocated memory is still 200.3 MB. Free memory was 164.5 MB in the beginning and 160.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1396.32 ms. Allocated memory was 200.3 MB in the beginning and 224.9 MB in the end (delta: 24.6 MB). Free memory was 160.7 MB in the beginning and 186.0 MB in the end (delta: -25.3 MB). Peak memory consumption was 89.1 MB. Max. memory is 7.1 GB. * Sifa took 104648.73 ms. Allocated memory was 224.9 MB in the beginning and 1.5 GB in the end (delta: 1.3 GB). Free memory was 186.0 MB in the beginning and 534.3 MB in the end (delta: -348.3 MB). Peak memory consumption was 961.9 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]: 104601, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 7011, DAG_INTERPRETER_EARLY_EXITS: 153, TOOLS_POST_APPLICATIONS: 7003, TOOLS_POST_TIME[ms]: 78478, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 82, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 76285, FLUID_QUERY_TIME[ms]: 243, FLUID_QUERIES: 7014, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3086, DOMAIN_JOIN_TIME[ms]: 8832, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 3, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 2972, DOMAIN_ISBOTTOM_TIME[ms]: 13762, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 31, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 30, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 3, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 62, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 12, PATH_EXPR_TIME[ms]: 60, REGEX_TO_DAG_TIME[ms]: 40, DAG_COMPRESSION_TIME[ms]: 2281, DAG_COMPRESSION_PROCESSED_NODES: 205819, DAG_COMPRESSION_RETAINED_NODES: 72539 - UnprovableResult [Line: 572]: 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 10094#(and (<= 0 main_~__tmp_2~0) (<= main_~assert__arg~1 0) (<= 0 main_~assert__arg~1) (<= 0 ~mode3~0) (<= main_~check__tmp~1 0) (<= main_~main__c1~0 0) (<= 0 main_~check__tmp~1) (<= ~__return_1517~0 0) (<= ~mode3~0 0) (<= ~r1~0 2) (<= 0 main_~main__c1~0) (<= main_~__tmp_2~0 0) (<= 0 ~__return_1517~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...