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.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 12:44:36,364 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 12:44:36,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 12:44:36,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 12:44:36,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 12:44:36,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 12:44:36,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 12:44:36,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 12:44:36,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 12:44:36,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 12:44:36,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 12:44:36,411 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 12:44:36,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 12:44:36,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 12:44:36,415 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 12:44:36,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 12:44:36,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 12:44:36,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 12:44:36,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 12:44:36,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 12:44:36,429 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 12:44:36,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 12:44:36,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 12:44:36,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 12:44:36,437 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 12:44:36,437 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 12:44:36,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 12:44:36,439 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 12:44:36,440 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 12:44:36,441 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 12:44:36,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 12:44:36,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 12:44:36,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 12:44:36,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 12:44:36,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 12:44:36,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 12:44:36,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 12:44:36,448 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 12:44:36,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 12:44:36,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 12:44:36,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 12:44:36,451 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 12:44:36,488 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 12:44:36,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 12:44:36,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 12:44:36,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 12:44:36,492 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 12:44:36,492 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 12:44:36,492 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 12:44:36,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 12:44:36,492 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 12:44:36,493 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 12:44:36,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 12:44:36,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 12:44:36,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 12:44:36,493 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 12:44:36,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 12:44:36,494 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 12:44:36,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 12:44:36,497 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 12:44:36,498 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 12:44:36,498 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 12:44:36,498 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 12:44:36,498 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:44:36,498 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 12:44:36,499 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 12:44:36,499 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 12:44:36,499 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 12:44:36,500 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 12:44:36,500 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 12:44:36,500 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 12:44:36,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 12:44:36,566 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 12:44:36,570 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 12:44:36,572 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 12:44:36,573 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 12:44:36,573 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 12:44:36,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165fbe3be/a8a85884558c46c0be2980daae84f09d/FLAGf9df34b42 [2019-09-06 12:44:37,274 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 12:44:37,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.3.ufo.UNBOUNDED.pals.c.v+lhb-reducer.c [2019-09-06 12:44:37,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165fbe3be/a8a85884558c46c0be2980daae84f09d/FLAGf9df34b42 [2019-09-06 12:44:37,559 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/165fbe3be/a8a85884558c46c0be2980daae84f09d [2019-09-06 12:44:37,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 12:44:37,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 12:44:37,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 12:44:37,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 12:44:37,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 12:44:37,578 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:44:37" (1/1) ... [2019-09-06 12:44:37,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f641f0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:37, skipping insertion in model container [2019-09-06 12:44:37,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 12:44:37" (1/1) ... [2019-09-06 12:44:37,589 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 12:44:37,671 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 12:44:38,293 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:44:38,326 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 12:44:38,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 12:44:38,822 INFO L192 MainTranslator]: Completed translation [2019-09-06 12:44:38,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:38 WrapperNode [2019-09-06 12:44:38,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 12:44:38,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 12:44:38,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 12:44:38,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 12:44:38,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:38" (1/1) ... [2019-09-06 12:44:38,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:38" (1/1) ... [2019-09-06 12:44:38,852 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:38" (1/1) ... [2019-09-06 12:44:38,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:38" (1/1) ... [2019-09-06 12:44:38,883 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:38" (1/1) ... [2019-09-06 12:44:38,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:38" (1/1) ... [2019-09-06 12:44:38,914 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:38" (1/1) ... [2019-09-06 12:44:38,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 12:44:38,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 12:44:38,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 12:44:38,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 12:44:38,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 12:44:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 12:44:39,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 12:44:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 12:44:39,002 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 12:44:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 12:44:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 12:44:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 12:44:39,003 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 12:44:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 12:44:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 12:44:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 12:44:39,004 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 12:44:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 12:44:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 12:44:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 12:44:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 12:44:39,005 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 12:44:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 12:44:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 12:44:39,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 12:44:40,825 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 12:44:40,825 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 12:44:40,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:44:40 BoogieIcfgContainer [2019-09-06 12:44:40,828 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 12:44:40,828 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 12:44:40,829 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 12:44:40,829 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 12:44:40,830 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 12:44:40" (1/1) ... [2019-09-06 12:44:40,832 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 12:44:40,882 INFO L162 IcfgInterpreter]: Started Sifa with 5 locations of interest [2019-09-06 12:44:40,882 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 12:44:40,910 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 12:44:40,926 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 12:44:40,927 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 12:44:41,091 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 288 for LOIs [2019-09-06 12:45:06,571 WARN L188 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:45:22,074 WARN L188 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:45:34,518 WARN L188 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:45:41,104 WARN L188 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:45:57,260 WARN L188 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:46:14,015 WARN L188 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:46:23,656 WARN L188 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:46:31,005 WARN L188 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:46:42,867 WARN L188 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:46:50,633 WARN L188 SmtUtils]: Spent 3.94 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:47:01,459 WARN L188 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:47:07,559 WARN L188 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:47:14,878 WARN L188 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:47:27,260 WARN L188 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:47:35,330 WARN L188 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:47:50,394 WARN L188 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:47:58,424 WARN L188 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:48:03,362 WARN L188 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:48:11,224 WARN L188 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:48:16,866 WARN L188 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:48:21,906 WARN L188 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:48:33,820 WARN L188 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:48:40,677 WARN L188 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:48:46,174 WARN L188 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:48:51,687 WARN L188 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:48:56,637 WARN L188 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:49:02,903 WARN L188 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 377 DAG size of output: 352 [2019-09-06 12:49:14,458 WARN L188 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:49:20,030 WARN L188 SmtUtils]: Spent 3.75 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:49:25,080 WARN L188 SmtUtils]: Spent 3.82 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:49:30,079 WARN L188 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 377 DAG size of output: 353 [2019-09-06 12:49:30,469 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 12:49:30,469 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 12:49:30,472 INFO L193 IcfgInterpreter]: Reachable states at location mainErr2ASSERT_VIOLATIONERROR_FUNCTION satisfy 243858#(and (<= 0 main_~check__tmp~8) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= main_~assert__arg~5 1) (<= main_~check__tmp~8 0) (<= ~mode3~0 0) (<= 0 ~__return_2584~0) (<= ~__return_2584~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 1 ~st3~0)) [2019-09-06 12:49:30,473 INFO L193 IcfgInterpreter]: Reachable states at location mainErr1ASSERT_VIOLATIONERROR_FUNCTION satisfy 234852#(or (and (<= main_~main__c1~0 1) (<= ~mode3~0 1) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4)) (and (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= main_~main__c1~0 0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= 0 ~__return_2683~0) (<= ~nl3~0 1) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= 0 main_~check__tmp~7) (<= 1 ~nl3~0) (<= ~st3~0 0) (<= ~__return_2683~0 0))) [2019-09-06 12:49:30,473 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 239926#(and (<= main_~check__tmp~3 0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= ~__return_2840~0 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 ~__return_2840~0) (<= 0 main_~check__tmp~3) (<= 1 ~st3~0)) [2019-09-06 12:49:30,473 INFO L193 IcfgInterpreter]: Reachable states at location mainErr3ASSERT_VIOLATIONERROR_FUNCTION satisfy 242671#(and (<= main_~assert__arg~6 1) (<= 0 main_~check__tmp~9) (<= 0 ~mode3~0) (<= main_~main__c1~0 0) (<= ~__return_2553~0 0) (<= main_~check__tmp~9 0) (<= ~nl3~0 1) (<= main_~__tmp_7~0 1) (<= 0 main_~__tmp_7~0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 1 ~nl3~0) (<= 0 ~__return_2553~0) (<= 0 main_~assert__arg~6)) [2019-09-06 12:49:30,474 INFO L193 IcfgInterpreter]: Reachable states at location mainErr4ASSERT_VIOLATIONERROR_FUNCTION satisfy 241484#(and (<= 0 main_~check__tmp~10) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~check__tmp~10 0) (<= main_~main__c1~0 0) (<= 0 main_~assert__arg~7) (<= 0 main_~__tmp_8~0) (<= main_~assert__arg~7 1) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~__return_2494~0) (<= ~__return_2494~0 0) (<= 1 ~st3~0)) [2019-09-06 12:49:30,495 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 12:49:30,495 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 12:49:30,499 INFO L168 Benchmark]: Toolchain (without parser) took 292927.02 ms. Allocated memory was 132.1 MB in the beginning and 3.0 GB in the end (delta: 2.9 GB). Free memory was 85.0 MB in the beginning and 640.1 MB in the end (delta: -555.1 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2019-09-06 12:49:30,501 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 12:49:30,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1250.06 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 84.8 MB in the beginning and 153.4 MB in the end (delta: -68.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. [2019-09-06 12:49:30,502 INFO L168 Benchmark]: Boogie Preprocessor took 100.04 ms. Allocated memory is still 198.7 MB. Free memory was 153.4 MB in the beginning and 148.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2019-09-06 12:49:30,504 INFO L168 Benchmark]: RCFGBuilder took 1904.21 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 148.0 MB in the beginning and 103.1 MB in the end (delta: 44.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-09-06 12:49:30,504 INFO L168 Benchmark]: Sifa took 289667.23 ms. Allocated memory was 221.2 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 103.1 MB in the beginning and 640.1 MB in the end (delta: -537.1 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2019-09-06 12:49:30,509 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1250.06 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 84.8 MB in the beginning and 153.4 MB in the end (delta: -68.5 MB). Peak memory consumption was 33.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 100.04 ms. Allocated memory is still 198.7 MB. Free memory was 153.4 MB in the beginning and 148.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1904.21 ms. Allocated memory was 198.7 MB in the beginning and 221.2 MB in the end (delta: 22.5 MB). Free memory was 148.0 MB in the beginning and 103.1 MB in the end (delta: 44.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * Sifa took 289667.23 ms. Allocated memory was 221.2 MB in the beginning and 3.0 GB in the end (delta: 2.8 GB). Free memory was 103.1 MB in the beginning and 640.1 MB in the end (delta: -537.1 MB). Peak memory consumption was 2.3 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]: 289592, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 165377, DAG_INTERPRETER_EARLY_EXITS: 947, TOOLS_POST_APPLICATIONS: 160791, TOOLS_POST_TIME[ms]: 145753, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 71, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 10, TOOLS_QUANTIFIERELIM_TIME[ms]: 129792, FLUID_QUERY_TIME[ms]: 1721, FLUID_QUERIES: 165492, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 83017, DOMAIN_JOIN_TIME[ms]: 48363, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 45, DOMAIN_WIDEN_TIME[ms]: 6, DOMAIN_ISSUBSETEQ_APPLICATIONS: 115, DOMAIN_ISSUBSETEQ_TIME[ms]: 66, DOMAIN_ISBOTTOM_APPLICATIONS: 52107, DOMAIN_ISBOTTOM_TIME[ms]: 79260, LOOP_SUMMARIZER_APPLICATIONS: 70, LOOP_SUMMARIZER_CACHE_MISSES: 70, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 43664, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 43658, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 115, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 50, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 95, REGEX_TO_DAG_TIME[ms]: 1308, DAG_COMPRESSION_TIME[ms]: 6982, DAG_COMPRESSION_PROCESSED_NODES: 870906, DAG_COMPRESSION_RETAINED_NODES: 263993 - UnprovableResult [Line: 1901]: 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 243858#(and (<= 0 main_~check__tmp~8) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~assert__arg~5) (<= main_~main__c1~0 0) (<= main_~assert__arg~5 1) (<= main_~check__tmp~8 0) (<= ~mode3~0 0) (<= 0 ~__return_2584~0) (<= ~__return_2584~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_6~0) (<= main_~__tmp_6~0 1) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 888]: 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 234852#(or (and (<= main_~main__c1~0 1) (<= ~mode3~0 1) (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4)) (and (<= 0 ~mode3~0) (<= main_~__tmp_5~0 1) (<= main_~main__c1~0 0) (<= 0 main_~__tmp_5~0) (<= 0 main_~assert__arg~4) (<= 0 ~__return_2683~0) (<= ~nl3~0 1) (<= ~mode3~0 0) (<= main_~check__tmp~7 0) (<= main_~assert__arg~4 1) (<= 0 main_~main__c1~0) (<= 0 main_~check__tmp~7) (<= 1 ~nl3~0) (<= ~st3~0 0) (<= ~__return_2683~0 0))). Possible FailurePath: - UnprovableResult [Line: 823]: 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 239926#(and (<= main_~check__tmp~3 0) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= 0 main_~__tmp_4~0) (<= main_~main__c1~0 0) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1) (<= ~__return_2840~0 0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= 0 ~__return_2840~0) (<= 0 main_~check__tmp~3) (<= 1 ~st3~0)). Possible FailurePath: - UnprovableResult [Line: 1946]: 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 242671#(and (<= main_~assert__arg~6 1) (<= 0 main_~check__tmp~9) (<= 0 ~mode3~0) (<= main_~main__c1~0 0) (<= ~__return_2553~0 0) (<= main_~check__tmp~9 0) (<= ~nl3~0 1) (<= main_~__tmp_7~0 1) (<= 0 main_~__tmp_7~0) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 1 ~nl3~0) (<= 0 ~__return_2553~0) (<= 0 main_~assert__arg~6)). Possible FailurePath: - UnprovableResult [Line: 2056]: 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 241484#(and (<= 0 main_~check__tmp~10) (<= 0 ~mode3~0) (<= ~st3~0 1) (<= main_~check__tmp~10 0) (<= main_~main__c1~0 0) (<= 0 main_~assert__arg~7) (<= 0 main_~__tmp_8~0) (<= main_~assert__arg~7 1) (<= main_~__tmp_8~0 1) (<= ~mode3~0 0) (<= 0 main_~main__c1~0) (<= 0 ~__return_2494~0) (<= ~__return_2494~0 0) (<= 1 ~st3~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...