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.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:21:35,307 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:21:35,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:21:35,321 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:21:35,322 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:21:35,323 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:21:35,324 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:21:35,326 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:21:35,327 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:21:35,328 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:21:35,329 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:21:35,330 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:21:35,330 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:21:35,331 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:21:35,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:21:35,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:21:35,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:21:35,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:21:35,337 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:21:35,339 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:21:35,340 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:21:35,341 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:21:35,342 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:21:35,343 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:21:35,345 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:21:35,345 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:21:35,346 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:21:35,346 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:21:35,347 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:21:35,348 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:21:35,348 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:21:35,349 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:21:35,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:21:35,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:21:35,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:21:35,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:21:35,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:21:35,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:21:35,352 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:21:35,353 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:21:35,354 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:21:35,355 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 14:21:35,377 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:21:35,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:21:35,380 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:21:35,380 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:21:35,381 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:21:35,381 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:21:35,381 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:21:35,381 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:21:35,382 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:21:35,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:21:35,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:21:35,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:21:35,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:21:35,383 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:21:35,383 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:21:35,383 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:21:35,383 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:21:35,384 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:21:35,384 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:21:35,384 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:21:35,384 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:21:35,385 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:21:35,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:21:35,385 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:21:35,386 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:21:35,387 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:21:35,387 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:21:35,387 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:21:35,387 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 14:21:35,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:21:35,431 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:21:35,435 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:21:35,436 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:21:35,437 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:21:35,437 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:21:35,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a61a3f7c/7bcdf939cad2427a9a47b74da070bb77/FLAG492346d46 [2019-09-06 14:21:36,048 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:21:36,052 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:21:36,068 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a61a3f7c/7bcdf939cad2427a9a47b74da070bb77/FLAG492346d46 [2019-09-06 14:21:36,318 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a61a3f7c/7bcdf939cad2427a9a47b74da070bb77 [2019-09-06 14:21:36,329 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:21:36,331 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:21:36,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:21:36,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:21:36,334 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:21:36,335 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:21:36" (1/1) ... [2019-09-06 14:21:36,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76e6472d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:36, skipping insertion in model container [2019-09-06 14:21:36,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:21:36" (1/1) ... [2019-09-06 14:21:36,345 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:21:36,411 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:21:36,881 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:21:36,900 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:21:37,028 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:21:37,050 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:21:37,051 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:37 WrapperNode [2019-09-06 14:21:37,051 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:21:37,051 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:21:37,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:21:37,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:21:37,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:37" (1/1) ... [2019-09-06 14:21:37,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:37" (1/1) ... [2019-09-06 14:21:37,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:37" (1/1) ... [2019-09-06 14:21:37,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:37" (1/1) ... [2019-09-06 14:21:37,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:37" (1/1) ... [2019-09-06 14:21:37,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:37" (1/1) ... [2019-09-06 14:21:37,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:37" (1/1) ... [2019-09-06 14:21:37,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:21:37,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:21:37,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:21:37,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:21:37,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:21:37" (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 14:21:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:21:37,207 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:21:37,208 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:21:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:21:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:21:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:21:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:21:37,208 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:21:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:21:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:21:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:21:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:21:37,209 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:21:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:21:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:21:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:21:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:21:37,210 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:21:37,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:21:38,568 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:21:38,569 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:21:38,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:21:38 BoogieIcfgContainer [2019-09-06 14:21:38,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:21:38,571 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:21:38,571 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:21:38,572 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:21:38,573 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:21:38" (1/1) ... [2019-09-06 14:21:38,574 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 14:21:38,618 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:21:38,618 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:21:38,641 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:21:38,649 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:21:38,650 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:21:38,790 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 258 for LOIs [2019-09-06 14:25:29,736 WARN L188 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:25:35,958 WARN L188 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:25:42,184 WARN L188 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:25:48,329 WARN L188 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:25:53,089 WARN L188 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:25:57,236 WARN L188 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:26:02,483 WARN L188 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:26:07,554 WARN L188 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:26:20,082 WARN L188 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:26:23,802 WARN L188 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:26:27,592 WARN L188 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:26:31,662 WARN L188 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:26:38,261 WARN L188 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:26:42,282 WARN L188 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:26:48,929 WARN L188 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:26:53,042 WARN L188 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:26:57,161 WARN L188 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:27:03,841 WARN L188 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:27:07,832 WARN L188 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:27:12,916 WARN L188 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:27:18,043 WARN L188 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:27:22,102 WARN L188 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:27:26,920 WARN L188 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:27:30,832 WARN L188 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:27:34,716 WARN L188 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:27:38,804 WARN L188 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:27:42,895 WARN L188 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:27:47,431 WARN L188 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:27:51,906 WARN L188 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:27:55,569 WARN L188 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:00,615 WARN L188 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:28:04,574 WARN L188 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:09,800 WARN L188 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:28:14,795 WARN L188 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:18,942 WARN L188 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:22,665 WARN L188 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:28:26,891 WARN L188 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:30,951 WARN L188 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:34,908 WARN L188 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:39,264 WARN L188 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:42,861 WARN L188 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:46,654 WARN L188 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:28:51,180 WARN L188 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:28:54,787 WARN L188 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:28:58,906 WARN L188 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:02,786 WARN L188 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:07,136 WARN L188 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:29:11,331 WARN L188 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:29:15,073 WARN L188 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:19,317 WARN L188 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:23,774 WARN L188 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:27,271 WARN L188 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:30,777 WARN L188 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:35,300 WARN L188 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:38,978 WARN L188 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:29:42,718 WARN L188 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:46,460 WARN L188 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:29:50,750 WARN L188 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:29:55,710 WARN L188 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:01,434 WARN L188 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:05,706 WARN L188 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:10,107 WARN L188 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:15,033 WARN L188 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:30:18,597 WARN L188 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:30:21,983 WARN L188 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:26,927 WARN L188 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:31,203 WARN L188 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:34,811 WARN L188 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:39,720 WARN L188 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:43,614 WARN L188 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:47,105 WARN L188 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:30:50,526 WARN L188 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:30:53,922 WARN L188 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:30:58,267 WARN L188 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:31:02,166 WARN L188 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:31:05,711 WARN L188 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:31:09,676 WARN L188 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:31:13,262 WARN L188 SmtUtils]: Spent 2.98 s on a formula simplification. DAG size of input: 343 DAG size of output: 318 [2019-09-06 14:31:17,871 WARN L188 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:31:21,460 WARN L188 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 343 DAG size of output: 319 [2019-09-06 14:31:21,495 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:31:21,495 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:31:21,497 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 61092#(and (<= 0 main_~__tmp_2~0) (<= ~__return_1528~0 0) (<= 0 main_~assert__arg~1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= main_~__tmp_2~0 1) (<= main_~check__tmp~1 0) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= 0 ~__return_1528~0) (<= main_~assert__arg~1 1) (<= 0 main_~check__tmp~1)) [2019-09-06 14:31:21,518 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:31:21,519 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:31:21,521 INFO L168 Benchmark]: Toolchain (without parser) took 585189.75 ms. Allocated memory was 131.1 MB in the beginning and 5.5 GB in the end (delta: 5.4 GB). Free memory was 84.5 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. [2019-09-06 14:31:21,522 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-09-06 14:31:21,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 719.44 ms. Allocated memory was 131.1 MB in the beginning and 200.3 MB in the end (delta: 69.2 MB). Free memory was 84.3 MB in the beginning and 167.4 MB in the end (delta: -83.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-09-06 14:31:21,526 INFO L168 Benchmark]: Boogie Preprocessor took 80.96 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2019-09-06 14:31:21,527 INFO L168 Benchmark]: RCFGBuilder took 1438.00 ms. Allocated memory was 200.3 MB in the beginning and 220.2 MB in the end (delta: 19.9 MB). Free memory was 163.3 MB in the beginning and 188.2 MB in the end (delta: -24.9 MB). Peak memory consumption was 96.6 MB. Max. memory is 7.1 GB. [2019-09-06 14:31:21,532 INFO L168 Benchmark]: Sifa took 582947.88 ms. Allocated memory was 220.2 MB in the beginning and 5.5 GB in the end (delta: 5.3 GB). Free memory was 188.2 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. [2019-09-06 14:31:21,538 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 719.44 ms. Allocated memory was 131.1 MB in the beginning and 200.3 MB in the end (delta: 69.2 MB). Free memory was 84.3 MB in the beginning and 167.4 MB in the end (delta: -83.0 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 80.96 ms. Allocated memory is still 200.3 MB. Free memory was 167.4 MB in the beginning and 163.3 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1438.00 ms. Allocated memory was 200.3 MB in the beginning and 220.2 MB in the end (delta: 19.9 MB). Free memory was 163.3 MB in the beginning and 188.2 MB in the end (delta: -24.9 MB). Peak memory consumption was 96.6 MB. Max. memory is 7.1 GB. * Sifa took 582947.88 ms. Allocated memory was 220.2 MB in the beginning and 5.5 GB in the end (delta: 5.3 GB). Free memory was 188.2 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.9 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 582879, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 44855, DAG_INTERPRETER_EARLY_EXITS: 1010, TOOLS_POST_APPLICATIONS: 44079, TOOLS_POST_TIME[ms]: 266346, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 59, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 9, TOOLS_QUANTIFIERELIM_TIME[ms]: 255846, FLUID_QUERY_TIME[ms]: 927, FLUID_QUERIES: 44855, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 17008, DOMAIN_JOIN_TIME[ms]: 34036, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 0, DOMAIN_WIDEN_TIME[ms]: 0, DOMAIN_ISSUBSETEQ_APPLICATIONS: 0, DOMAIN_ISSUBSETEQ_TIME[ms]: 0, DOMAIN_ISBOTTOM_APPLICATIONS: 14936, DOMAIN_ISBOTTOM_TIME[ms]: 62930, 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: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 36, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 55, REGEX_TO_DAG_TIME[ms]: 18875, DAG_COMPRESSION_TIME[ms]: 152027, DAG_COMPRESSION_PROCESSED_NODES: 11026408, DAG_COMPRESSION_RETAINED_NODES: 4112862 - UnprovableResult [Line: 581]: 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 61092#(and (<= 0 main_~__tmp_2~0) (<= ~__return_1528~0 0) (<= 0 main_~assert__arg~1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= main_~__tmp_2~0 1) (<= main_~check__tmp~1 0) (<= 0 main_~main__c1~0) (<= main_~main__c1~0 0) (<= 0 ~__return_1528~0) (<= main_~assert__arg~1 1) (<= 0 main_~check__tmp~1)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...