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.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:29:12,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:29:12,377 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:29:12,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:29:12,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:29:12,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:29:12,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:29:12,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:29:12,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:29:12,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:29:12,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:29:12,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:29:12,409 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:29:12,410 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:29:12,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:29:12,414 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:29:12,415 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:29:12,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:29:12,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:29:12,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:29:12,427 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:29:12,428 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:29:12,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:29:12,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:29:12,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:29:12,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:29:12,436 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:29:12,437 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:29:12,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:29:12,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:29:12,439 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:29:12,440 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:29:12,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:29:12,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:29:12,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:29:12,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:29:12,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:29:12,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:29:12,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:29:12,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:29:12,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:29:12,452 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 14:29:12,471 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:29:12,471 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:29:12,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:29:12,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:29:12,474 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:29:12,474 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:29:12,474 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:29:12,475 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:29:12,475 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:29:12,475 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:29:12,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:29:12,476 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:29:12,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:29:12,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:29:12,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:29:12,477 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:29:12,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:29:12,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:29:12,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:29:12,478 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:29:12,478 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:29:12,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:29:12,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:29:12,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:29:12,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:29:12,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:29:12,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:29:12,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:29:12,480 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 14:29:12,537 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:29:12,555 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:29:12,560 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:29:12,565 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:29:12,565 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:29:12,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-09-06 14:29:12,634 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e7b606e7/a0c6165f300b479cb24b3afd71aa9de3/FLAGbc47ad99e [2019-09-06 14:29:13,214 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:29:13,214 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-09-06 14:29:13,230 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e7b606e7/a0c6165f300b479cb24b3afd71aa9de3/FLAGbc47ad99e [2019-09-06 14:29:13,455 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e7b606e7/a0c6165f300b479cb24b3afd71aa9de3 [2019-09-06 14:29:13,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:29:13,466 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:29:13,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:29:13,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:29:13,471 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:29:13,471 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:29:13" (1/1) ... [2019-09-06 14:29:13,474 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@248babf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:13, skipping insertion in model container [2019-09-06 14:29:13,474 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:29:13" (1/1) ... [2019-09-06 14:29:13,481 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:29:13,545 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:29:14,161 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:29:14,184 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:29:14,635 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:29:14,658 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:29:14,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:14 WrapperNode [2019-09-06 14:29:14,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:29:14,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:29:14,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:29:14,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:29:14,670 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:14" (1/1) ... [2019-09-06 14:29:14,670 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:14" (1/1) ... [2019-09-06 14:29:14,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:14" (1/1) ... [2019-09-06 14:29:14,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:14" (1/1) ... [2019-09-06 14:29:14,721 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:14" (1/1) ... [2019-09-06 14:29:14,753 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:14" (1/1) ... [2019-09-06 14:29:14,767 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:14" (1/1) ... [2019-09-06 14:29:14,784 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:29:14,787 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:29:14,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:29:14,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:29:14,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:29:14" (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 14:29:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:29:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:29:14,871 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:29:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:29:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:29:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:29:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:29:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:29:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:29:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:29:14,874 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:29:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:29:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:29:14,875 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:29:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:29:14,876 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:29:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:29:14,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:29:16,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:29:16,623 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:29:16,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:29:16 BoogieIcfgContainer [2019-09-06 14:29:16,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:29:16,626 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:29:16,626 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:29:16,626 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:29:16,627 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:29:16" (1/1) ... [2019-09-06 14:29:16,628 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 14:29:16,676 INFO L162 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-09-06 14:29:16,676 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:29:16,709 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:29:16,726 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:29:16,728 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:29:16,924 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 313 for LOIs [2019-09-06 14:29:36,866 WARN L188 SmtUtils]: Spent 4.84 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:30:15,911 WARN L188 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:31:23,172 WARN L188 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:31:56,752 WARN L188 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:32:04,727 WARN L188 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:33:10,234 WARN L188 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:33:27,695 WARN L188 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:33:37,918 WARN L188 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:33:43,677 WARN L188 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:33:49,990 WARN L188 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:33:57,307 WARN L188 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:03,332 WARN L188 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:10,269 WARN L188 SmtUtils]: Spent 4.50 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:16,519 WARN L188 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:22,181 WARN L188 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:28,963 WARN L188 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:34,394 WARN L188 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:39,684 WARN L188 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:45,726 WARN L188 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:52,643 WARN L188 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:34:58,034 WARN L188 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:35:04,129 WARN L188 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:35:09,412 WARN L188 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:35:14,733 WARN L188 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:35:20,795 WARN L188 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:35:26,610 WARN L188 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:35:39,447 WARN L188 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:35:45,778 WARN L188 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:35:53,038 WARN L188 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:35:59,270 WARN L188 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:36:06,128 WARN L188 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:36:12,355 WARN L188 SmtUtils]: Spent 4.43 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:36:18,047 WARN L188 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:36:25,024 WARN L188 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:36:31,217 WARN L188 SmtUtils]: Spent 4.39 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:36:36,704 WARN L188 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:36:42,781 WARN L188 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:36:49,629 WARN L188 SmtUtils]: Spent 4.42 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:36:54,997 WARN L188 SmtUtils]: Spent 4.48 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:37:01,032 WARN L188 SmtUtils]: Spent 4.49 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:37:07,096 WARN L188 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:37:12,361 WARN L188 SmtUtils]: Spent 4.45 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:37:17,535 WARN L188 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:37:23,567 WARN L188 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:37:28,830 WARN L188 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:37:34,120 WARN L188 SmtUtils]: Spent 4.44 s on a formula simplification. DAG size of input: 420 DAG size of output: 393 [2019-09-06 14:37:34,338 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:37:34,338 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:37:34,341 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 504307#(and (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= main_~main__c1~0 0) (<= main_~check__tmp~4 0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= ~nl3~0 1) (<= 0 ~__return_3013~0) (<= ~r3~0 2) (<= 0 main_~check__tmp~4) (<= ~mode3~0 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= ~__return_3013~0 0) (<= 1 ~nl3~0)) [2019-09-06 14:37:34,341 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 501194#(and (<= ~__return_2950~0 0) (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= 0 ~__return_2950~0) (<= main_~check__tmp~5 0) (<= main_~assert__arg~5 1) (<= ~r3~0 2) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 1 ~st3~0) (<= 0 main_~check__tmp~5)) [2019-09-06 14:37:34,342 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 503753#(and (<= main_~check__tmp~3 0) (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~3 1) (<= 0 ~__return_3044~0) (<= main_~__tmp_4~0 1) (<= ~r3~0 2) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= ~__return_3044~0 0) (<= 0 main_~check__tmp~3) (<= 1 ~st3~0)) [2019-09-06 14:37:34,342 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 503160#(and (<= 0 main_~check__tmp~8) (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~main__c1~0 0) (<= 0 main_~assert__arg~7) (<= 0 main_~__tmp_8~0) (<= main_~assert__arg~7 1) (<= main_~check__tmp~8 0) (<= ~r3~0 2) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= 0 ~__return_2803~0) (<= ~__return_2803~0 0) (<= 0 main_~main__c1~0) (<= 1 ~st3~0)) [2019-09-06 14:37:34,342 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 485296#(and (<= main_~__tmp_7~0 1) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 main_~__tmp_7~0) (<= main_~assert__arg~6 1) (<= 0 ~mode3~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~6)) [2019-09-06 14:37:34,364 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:37:34,364 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:37:34,367 INFO L168 Benchmark]: Toolchain (without parser) took 500899.78 ms. Allocated memory was 133.7 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 87.8 MB in the beginning and 532.3 MB in the end (delta: -444.5 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-09-06 14:37:34,368 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 14:37:34,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1192.27 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 153.2 MB in the end (delta: -65.4 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. [2019-09-06 14:37:34,370 INFO L168 Benchmark]: Boogie Preprocessor took 127.58 ms. Allocated memory is still 201.3 MB. Free memory was 153.2 MB in the beginning and 148.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-06 14:37:34,370 INFO L168 Benchmark]: RCFGBuilder took 1837.71 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 148.4 MB in the beginning and 95.6 MB in the end (delta: 52.7 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. [2019-09-06 14:37:34,372 INFO L168 Benchmark]: Sifa took 497738.71 ms. Allocated memory was 227.0 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 95.6 MB in the beginning and 532.3 MB in the end (delta: -436.7 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-09-06 14:37:34,375 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 133.7 MB. Free memory is still 107.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1192.27 ms. Allocated memory was 133.7 MB in the beginning and 201.3 MB in the end (delta: 67.6 MB). Free memory was 87.8 MB in the beginning and 153.2 MB in the end (delta: -65.4 MB). Peak memory consumption was 34.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.58 ms. Allocated memory is still 201.3 MB. Free memory was 153.2 MB in the beginning and 148.4 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1837.71 ms. Allocated memory was 201.3 MB in the beginning and 227.0 MB in the end (delta: 25.7 MB). Free memory was 148.4 MB in the beginning and 95.6 MB in the end (delta: 52.7 MB). Peak memory consumption was 78.4 MB. Max. memory is 7.1 GB. * Sifa took 497738.71 ms. Allocated memory was 227.0 MB in the beginning and 2.3 GB in the end (delta: 2.0 GB). Free memory was 95.6 MB in the beginning and 532.3 MB in the end (delta: -436.7 MB). Peak memory consumption was 1.6 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]: 497666, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 348575, DAG_INTERPRETER_EARLY_EXITS: 3600, TOOLS_POST_APPLICATIONS: 338996, TOOLS_POST_TIME[ms]: 282967, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 73, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 15, TOOLS_QUANTIFIERELIM_TIME[ms]: 258108, FLUID_QUERY_TIME[ms]: 2038, FLUID_QUERIES: 348741, FLUID_YES_ANSWERS: 14, DOMAIN_JOIN_APPLICATIONS: 165217, DOMAIN_JOIN_TIME[ms]: 48683, DOMAIN_ALPHA_APPLICATIONS: 14, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 75, DOMAIN_WIDEN_TIME[ms]: 28, DOMAIN_ISSUBSETEQ_APPLICATIONS: 166, DOMAIN_ISSUBSETEQ_TIME[ms]: 184, DOMAIN_ISBOTTOM_APPLICATIONS: 133462, DOMAIN_ISBOTTOM_TIME[ms]: 148183, LOOP_SUMMARIZER_APPLICATIONS: 91, LOOP_SUMMARIZER_CACHE_MISSES: 91, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 179929, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 179914, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 166, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 71, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 13, PATH_EXPR_TIME[ms]: 93, REGEX_TO_DAG_TIME[ms]: 108, DAG_COMPRESSION_TIME[ms]: 5649, DAG_COMPRESSION_PROCESSED_NODES: 486287, DAG_COMPRESSION_RETAINED_NODES: 192460 - UnprovableResult [Line: 903]: 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 504307#(and (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= main_~main__c1~0 0) (<= main_~check__tmp~4 0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= ~nl3~0 1) (<= 0 ~__return_3013~0) (<= ~r3~0 2) (<= 0 main_~check__tmp~4) (<= ~mode3~0 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= ~__return_3013~0 0) (<= 1 ~nl3~0)). Possible FailurePath: - UnprovableResult [Line: 1011]: 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 501194#(and (<= ~__return_2950~0 0) (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= 0 ~__return_2950~0) (<= main_~check__tmp~5 0) (<= main_~assert__arg~5 1) (<= ~r3~0 2) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 1 ~st3~0) (<= 0 main_~check__tmp~5)). Possible FailurePath: - UnprovableResult [Line: 858]: 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 503753#(and (<= main_~check__tmp~3 0) (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~3 1) (<= 0 ~__return_3044~0) (<= main_~__tmp_4~0 1) (<= ~r3~0 2) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= ~__return_3044~0 0) (<= 0 main_~check__tmp~3) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 1883]: 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 503160#(and (<= 0 main_~check__tmp~8) (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~main__c1~0 0) (<= 0 main_~assert__arg~7) (<= 0 main_~__tmp_8~0) (<= main_~assert__arg~7 1) (<= main_~check__tmp~8 0) (<= ~r3~0 2) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= 0 ~__return_2803~0) (<= ~__return_2803~0 0) (<= 0 main_~main__c1~0) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 1078]: 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 485296#(and (<= main_~__tmp_7~0 1) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 main_~__tmp_7~0) (<= main_~assert__arg~6 1) (<= 0 ~mode3~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~6)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...