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_floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:45:29,527 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:45:29,529 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:45:29,542 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:45:29,542 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:45:29,543 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:45:29,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:45:29,547 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:45:29,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:45:29,549 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:45:29,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:45:29,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:45:29,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:45:29,553 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:45:29,554 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:45:29,555 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:45:29,556 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:45:29,557 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:45:29,559 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:45:29,561 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:45:29,563 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:45:29,564 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:45:29,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:45:29,567 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:45:29,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:45:29,570 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:45:29,570 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:45:29,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:45:29,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:45:29,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:45:29,573 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:45:29,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:45:29,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:45:29,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:45:29,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:45:29,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:45:29,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:45:29,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:45:29,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:45:29,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:45:29,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:45:29,581 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 12:45:29,608 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:45:29,609 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:45:29,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:45:29,611 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:45:29,611 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:45:29,611 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:45:29,611 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:45:29,612 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:45:29,612 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:45:29,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:45:29,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:45:29,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:45:29,613 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:45:29,613 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:45:29,613 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:45:29,614 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:45:29,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:45:29,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:45:29,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:45:29,615 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:45:29,616 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:45:29,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:45:29,616 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:45:29,616 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:45:29,617 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:45:29,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:45:29,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:45:29,617 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:45:29,618 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 12:45:29,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:45:29,697 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:45:29,701 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:45:29,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:45:29,703 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:45:29,704 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-06 12:45:29,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9cc9bea8/6d6b15f04c774ce7aa1ce156f79a8260/FLAG9fd3523d9 [2019-09-06 12:45:30,343 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:45:30,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.4.ufo.BOUNDED-6.pals.c.v+nlh-reducer.c [2019-09-06 12:45:30,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9cc9bea8/6d6b15f04c774ce7aa1ce156f79a8260/FLAG9fd3523d9 [2019-09-06 12:45:30,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a9cc9bea8/6d6b15f04c774ce7aa1ce156f79a8260 [2019-09-06 12:45:30,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:45:30,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:45:30,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:45:30,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:45:30,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:45:30,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:45:30" (1/1) ... [2019-09-06 12:45:30,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e83ef61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:30, skipping insertion in model container [2019-09-06 12:45:30,640 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:45:30" (1/1) ... [2019-09-06 12:45:30,646 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:45:30,713 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:45:31,260 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:45:31,277 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:45:31,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:45:31,449 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:45:31,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:31 WrapperNode [2019-09-06 12:45:31,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:45:31,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:45:31,450 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:45:31,450 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:45:31,462 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:31" (1/1) ... [2019-09-06 12:45:31,462 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:31" (1/1) ... [2019-09-06 12:45:31,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:31" (1/1) ... [2019-09-06 12:45:31,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:31" (1/1) ... [2019-09-06 12:45:31,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:31" (1/1) ... [2019-09-06 12:45:31,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:31" (1/1) ... [2019-09-06 12:45:31,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:31" (1/1) ... [2019-09-06 12:45:31,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:45:31,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:45:31,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:45:31,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:45:31,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:45:31" (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 12:45:31,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:45:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:45:31,648 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:45:31,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:45:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:45:31,649 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:45:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:45:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:45:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 12:45:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 12:45:31,650 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 12:45:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 12:45:31,651 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 12:45:31,652 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 12:45:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 12:45:31,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:45:31,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:45:31,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:45:33,045 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:45:33,045 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 12:45:33,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:45:33 BoogieIcfgContainer [2019-09-06 12:45:33,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:45:33,048 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:45:33,048 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:45:33,049 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:45:33,050 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:45:33" (1/1) ... [2019-09-06 12:45:33,051 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 12:45:33,089 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 12:45:33,089 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:45:33,108 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:45:33,117 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:45:33,118 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:45:33,292 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 263 for LOIs [2019-09-06 12:45:53,694 WARN L188 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:46:13,750 WARN L188 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:46:31,756 WARN L188 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:46:39,003 WARN L188 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:46:54,856 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:47:02,114 WARN L188 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:47:17,845 WARN L188 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:47:34,266 WARN L188 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:47:41,391 WARN L188 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:47:57,935 WARN L188 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:48:13,652 WARN L188 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:48:31,739 WARN L188 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:48:38,438 WARN L188 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:48:54,472 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:49:01,269 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:49:16,679 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:49:20,791 WARN L188 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:49:36,920 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:49:41,063 WARN L188 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:49:46,788 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:49:52,036 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:49:58,705 WARN L188 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:50:14,371 WARN L188 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:50:18,529 WARN L188 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:50:24,630 WARN L188 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:50:29,203 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:50:33,635 WARN L188 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:50:37,795 WARN L188 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:50:42,913 WARN L188 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:50:47,086 WARN L188 SmtUtils]: Spent 3.42 s on a formula simplification. DAG size of input: 358 DAG size of output: 331 [2019-09-06 12:50:47,278 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 12:50:47,278 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 12:50:47,280 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 317842#(or (and (<= 0 ~__return_2183~0) (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= 0 main_~__tmp_4~0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= main_~main__c1~0 1) (<= ~r3~0 2) (<= ~mode3~0 0) (<= ~__return_2183~0 1) (<= main_~check__tmp~3 1) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 main_~check__tmp~3)) (and (<= ~__return_2292~0 1) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= 0 main_~check__tmp~4) (<= main_~check__tmp~4 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 ~__return_2292~0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1))) [2019-09-06 12:50:47,301 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 12:50:47,301 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 12:50:47,303 INFO L168 Benchmark]: Toolchain (without parser) took 316672.46 ms. Allocated memory was 132.1 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 85.6 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 484.2 MB. Max. memory is 7.1 GB. [2019-09-06 12:50:47,303 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 12:50:47,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 818.59 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.4 MB in the beginning and 160.9 MB in the end (delta: -75.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. [2019-09-06 12:50:47,305 INFO L168 Benchmark]: Boogie Preprocessor took 89.50 ms. Allocated memory is still 199.8 MB. Free memory was 160.9 MB in the beginning and 156.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-06 12:50:47,306 INFO L168 Benchmark]: RCFGBuilder took 1507.98 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 156.9 MB in the beginning and 155.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-09-06 12:50:47,307 INFO L168 Benchmark]: Sifa took 314252.67 ms. Allocated memory was 222.3 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 155.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 463.7 MB. Max. memory is 7.1 GB. [2019-09-06 12:50:47,311 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 132.1 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 818.59 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.4 MB in the beginning and 160.9 MB in the end (delta: -75.5 MB). Peak memory consumption was 31.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.50 ms. Allocated memory is still 199.8 MB. Free memory was 160.9 MB in the beginning and 156.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1507.98 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 156.9 MB in the beginning and 155.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * Sifa took 314252.67 ms. Allocated memory was 222.3 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 155.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 463.7 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]: 314192, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 225893, DAG_INTERPRETER_EARLY_EXITS: 7967, TOOLS_POST_APPLICATIONS: 218422, TOOLS_POST_TIME[ms]: 147965, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 61, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 24, TOOLS_QUANTIFIERELIM_TIME[ms]: 131485, FLUID_QUERY_TIME[ms]: 1597, FLUID_QUERIES: 226166, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 99361, DOMAIN_JOIN_TIME[ms]: 33088, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 54, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 273, DOMAIN_ISSUBSETEQ_TIME[ms]: 156, DOMAIN_ISBOTTOM_APPLICATIONS: 101219, DOMAIN_ISBOTTOM_TIME[ms]: 113536, LOOP_SUMMARIZER_APPLICATIONS: 219, LOOP_SUMMARIZER_CACHE_MISSES: 219, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 127667, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 127641, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 273, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 53, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 50, REGEX_TO_DAG_TIME[ms]: 639, DAG_COMPRESSION_TIME[ms]: 8427, DAG_COMPRESSION_PROCESSED_NODES: 794004, DAG_COMPRESSION_RETAINED_NODES: 304599 - UnprovableResult [Line: 804]: 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 317842#(or (and (<= 0 ~__return_2183~0) (<= 2 ~r3~0) (<= 0 ~mode3~0) (<= 0 main_~__tmp_4~0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= main_~main__c1~0 1) (<= ~r3~0 2) (<= ~mode3~0 0) (<= ~__return_2183~0 1) (<= main_~check__tmp~3 1) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 main_~check__tmp~3)) (and (<= ~__return_2292~0 1) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= 0 main_~check__tmp~4) (<= main_~check__tmp~4 1) (<= 0 main_~__tmp_4~0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 ~__return_2292~0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...