/usr/bin/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 CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 10:59:19,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 10:59:19,203 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 10:59:19,214 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 10:59:19,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 10:59:19,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 10:59:19,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 10:59:19,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 10:59:19,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 10:59:19,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 10:59:19,221 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 10:59:19,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 10:59:19,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 10:59:19,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 10:59:19,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 10:59:19,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 10:59:19,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 10:59:19,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 10:59:19,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 10:59:19,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 10:59:19,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 10:59:19,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 10:59:19,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 10:59:19,241 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 10:59:19,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 10:59:19,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 10:59:19,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 10:59:19,248 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 10:59:19,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 10:59:19,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 10:59:19,252 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 10:59:19,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 10:59:19,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 10:59:19,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 10:59:19,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 10:59:19,257 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 10:59:19,257 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 10:59:19,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 10:59:19,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 10:59:19,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 10:59:19,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 10:59:19,263 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 [2019-11-07 10:59:19,285 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 10:59:19,285 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 10:59:19,287 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 10:59:19,287 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 10:59:19,287 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 10:59:19,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 10:59:19,288 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 10:59:19,288 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 10:59:19,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 10:59:19,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 10:59:19,289 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 10:59:19,289 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 10:59:19,290 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 10:59:19,290 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 10:59:19,290 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 10:59:19,290 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 10:59:19,291 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 10:59:19,291 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 10:59:19,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 10:59:19,291 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 10:59:19,291 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 10:59:19,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 10:59:19,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 10:59:19,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 10:59:19,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 10:59:19,293 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 10:59:19,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 10:59:19,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 10:59:19,294 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-11-07 10:59:19,554 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 10:59:19,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 10:59:19,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 10:59:19,577 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 10:59:19,578 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 10:59:19,578 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2019-11-07 10:59:19,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb6154f9/6fc2235f19814598b900991ead5ba09c/FLAGa78287d14 [2019-11-07 10:59:20,145 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 10:59:20,147 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_STARTPALS_Triplicated.1.ufo.BOUNDED-10.pals.c [2019-11-07 10:59:20,164 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb6154f9/6fc2235f19814598b900991ead5ba09c/FLAGa78287d14 [2019-11-07 10:59:20,464 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9fb6154f9/6fc2235f19814598b900991ead5ba09c [2019-11-07 10:59:20,473 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 10:59:20,475 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 10:59:20,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 10:59:20,476 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 10:59:20,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 10:59:20,481 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:59:20" (1/1) ... [2019-11-07 10:59:20,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a032d29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:20, skipping insertion in model container [2019-11-07 10:59:20,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 10:59:20" (1/1) ... [2019-11-07 10:59:20,492 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 10:59:20,538 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 10:59:20,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:59:20,895 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 10:59:20,977 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 10:59:21,005 INFO L192 MainTranslator]: Completed translation [2019-11-07 10:59:21,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:21 WrapperNode [2019-11-07 10:59:21,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 10:59:21,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 10:59:21,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 10:59:21,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 10:59:21,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:21" (1/1) ... [2019-11-07 10:59:21,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:21" (1/1) ... [2019-11-07 10:59:21,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:21" (1/1) ... [2019-11-07 10:59:21,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:21" (1/1) ... [2019-11-07 10:59:21,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:21" (1/1) ... [2019-11-07 10:59:21,064 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:21" (1/1) ... [2019-11-07 10:59:21,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:21" (1/1) ... [2019-11-07 10:59:21,073 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 10:59:21,074 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 10:59:21,074 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 10:59:21,074 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 10:59:21,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 10:59:21" (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 [2019-11-07 10:59:21,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 10:59:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 10:59:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure add_history_type [2019-11-07 10:59:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_int8 [2019-11-07 10:59:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure read_history_bool [2019-11-07 10:59:21,133 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_int8 [2019-11-07 10:59:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure write_history_bool [2019-11-07 10:59:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-11-07 10:59:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-11-07 10:59:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure gate1_each_pals_period [2019-11-07 10:59:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure gate2_each_pals_period [2019-11-07 10:59:21,134 INFO L138 BoogieDeclarations]: Found implementation of procedure gate3_each_pals_period [2019-11-07 10:59:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure voter [2019-11-07 10:59:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 10:59:21,135 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-11-07 10:59:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 10:59:21,135 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 10:59:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 10:59:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 10:59:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 10:59:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 10:59:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 10:59:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_bool [2019-11-07 10:59:21,136 INFO L130 BoogieDeclarations]: Found specification of procedure read_history_int8 [2019-11-07 10:59:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure add_history_type [2019-11-07 10:59:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_int8 [2019-11-07 10:59:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure write_history_bool [2019-11-07 10:59:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 10:59:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 10:59:21,137 INFO L130 BoogieDeclarations]: Found specification of procedure gate1_each_pals_period [2019-11-07 10:59:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure gate2_each_pals_period [2019-11-07 10:59:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure gate3_each_pals_period [2019-11-07 10:59:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure voter [2019-11-07 10:59:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 10:59:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 10:59:21,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 10:59:22,362 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 10:59:22,363 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-11-07 10:59:22,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:59:22 BoogieIcfgContainer [2019-11-07 10:59:22,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 10:59:22,365 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-11-07 10:59:22,365 INFO L271 PluginConnector]: Initializing Sifa... [2019-11-07 10:59:22,365 INFO L275 PluginConnector]: Sifa initialized [2019-11-07 10:59:22,366 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 10:59:22" (1/1) ... [2019-11-07 10:59:22,367 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-11-07 10:59:22,390 INFO L159 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-11-07 10:59:22,391 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 10:59:22,400 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 10:59:22,407 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 10:59:22,409 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-11-07 10:59:22,660 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-11-07 10:59:22,773 INFO L197 IcfgInterpreter]: Interpreting procedure main with input of size 136 for LOIs [2019-11-07 10:59:25,579 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 226 [2019-11-07 10:59:26,067 INFO L197 IcfgInterpreter]: Interpreting procedure gate1_each_pals_period with input of size 140 for LOIs [2019-11-07 10:59:26,073 INFO L197 IcfgInterpreter]: Interpreting procedure gate2_each_pals_period with input of size 135 for LOIs [2019-11-07 10:59:26,151 INFO L197 IcfgInterpreter]: Interpreting procedure check with input of size 33 for LOIs [2019-11-07 10:59:26,840 INFO L197 IcfgInterpreter]: Interpreting procedure voter with input of size 111 for LOIs [2019-11-07 10:59:26,918 INFO L197 IcfgInterpreter]: Interpreting procedure write_history_int8 with input of size 45 for LOIs [2019-11-07 10:59:26,933 INFO L197 IcfgInterpreter]: Interpreting procedure init with input of size 78 for LOIs [2019-11-07 10:59:27,075 INFO L197 IcfgInterpreter]: Interpreting procedure add_history_type with input of size 113 for LOIs [2019-11-07 10:59:27,545 WARN L191 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-11-07 10:59:27,678 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-11-07 10:59:27,781 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-11-07 10:59:27,984 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_bool with input of size 20 for LOIs [2019-11-07 10:59:28,005 INFO L197 IcfgInterpreter]: Interpreting procedure read_history_int8 with input of size 11 for LOIs [2019-11-07 10:59:28,020 INFO L197 IcfgInterpreter]: Interpreting procedure gate3_each_pals_period with input of size 130 for LOIs [2019-11-07 10:59:28,037 INFO L197 IcfgInterpreter]: Interpreting procedure write_history_bool with input of size 29 for LOIs [2019-11-07 10:59:28,053 INFO L197 IcfgInterpreter]: Interpreting procedure assert with input of size 41 for LOIs [2019-11-07 10:59:28,054 INFO L180 IcfgInterpreter]: Interpretation finished [2019-11-07 10:59:28,072 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-11-07 10:59:28,072 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-11-07 10:59:28,076 INFO L168 Benchmark]: Toolchain (without parser) took 7600.06 ms. Allocated memory was 145.2 MB in the beginning and 370.7 MB in the end (delta: 225.4 MB). Free memory was 102.1 MB in the beginning and 303.0 MB in the end (delta: -200.9 MB). Peak memory consumption was 24.5 MB. Max. memory is 7.1 GB. [2019-11-07 10:59:28,077 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 10:59:28,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 530.13 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.7 MB in the beginning and 176.7 MB in the end (delta: -75.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. [2019-11-07 10:59:28,086 INFO L168 Benchmark]: Boogie Preprocessor took 67.05 ms. Allocated memory is still 202.9 MB. Free memory was 176.7 MB in the beginning and 173.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:59:28,088 INFO L168 Benchmark]: RCFGBuilder took 1290.79 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 173.9 MB in the beginning and 187.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. [2019-11-07 10:59:28,089 INFO L168 Benchmark]: Sifa took 5707.80 ms. Allocated memory was 235.9 MB in the beginning and 370.7 MB in the end (delta: 134.7 MB). Free memory was 187.6 MB in the beginning and 303.0 MB in the end (delta: -115.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 7.1 GB. [2019-11-07 10:59:28,100 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 145.2 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 530.13 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 101.7 MB in the beginning and 176.7 MB in the end (delta: -75.0 MB). Peak memory consumption was 22.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.05 ms. Allocated memory is still 202.9 MB. Free memory was 176.7 MB in the beginning and 173.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1290.79 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 173.9 MB in the beginning and 187.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 89.8 MB. Max. memory is 7.1 GB. * Sifa took 5707.80 ms. Allocated memory was 235.9 MB in the beginning and 370.7 MB in the end (delta: 134.7 MB). Free memory was 187.6 MB in the beginning and 303.0 MB in the end (delta: -115.4 MB). Peak memory consumption was 19.4 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]: 5667, ICFG_INTERPRETER_ENTERED_PROCEDURES: 14, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 129, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 576, TOOLS_POST_TIME[ms]: 682, TOOLS_POST_CALL_APPLICATIONS: 167, TOOLS_POST_CALL_TIME[ms]: 1085, TOOLS_POST_RETURN_APPLICATIONS: 128, TOOLS_POST_RETURN_TIME[ms]: 268, TOOLS_QUANTIFIERELIM_APPLICATIONS: 800, TOOLS_QUANTIFIERELIM_TIME[ms]: 1719, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 408, FLUID_QUERY_TIME[ms]: 29, FLUID_QUERIES: 898, FLUID_YES_ANSWERS: 3, DOMAIN_JOIN_APPLICATIONS: 119, DOMAIN_JOIN_TIME[ms]: 2774, DOMAIN_ALPHA_APPLICATIONS: 3, DOMAIN_ALPHA_TIME[ms]: 9, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 177, DOMAIN_ISSUBSETEQ_APPLICATIONS: 50, DOMAIN_ISSUBSETEQ_TIME[ms]: 90, DOMAIN_ISBOTTOM_APPLICATIONS: 129, DOMAIN_ISBOTTOM_TIME[ms]: 313, LOOP_SUMMARIZER_APPLICATIONS: 45, LOOP_SUMMARIZER_CACHE_MISSES: 45, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 1369, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1368, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 50, CALL_SUMMARIZER_APPLICATIONS: 128, CALL_SUMMARIZER_CACHE_MISSES: 13, CALL_SUMMARIZER_OVERALL_TIME[ms]: 2390, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2389, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 81, DAG_COMPRESSION_PROCESSED_NODES: 3412, DAG_COMPRESSION_RETAINED_NODES: 396 - UnprovableResult [Line: 581]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 1931#(and (= ~g3v~0 0) (or (and (<= ~g3v~0 0) (<= (+ ~g3v_new~0 1) 0) (<= 0 ~g1v~0) (<= 0 (+ ~g1v_new~0 1)) (<= ~g2v~0 0) (<= (+ ~g1v_new~0 1) 0) (<= |assert_#in~arg| 1) (<= 0 (+ ~nomsg~0 1)) (<= 0 (+ ~g2v_new~0 1)) (<= 1 |assert_#in~arg|) (<= (+ ~nomsg~0 1) 0) (<= ~g1v~0 0) (<= 0 (+ ~g3v_new~0 1)) (<= (+ ~g2v_new~0 1) 0) (<= 0 ~g2v~0) (<= 0 ~g3v~0)) (and (<= ~g3v~0 0) (<= (+ ~g3v_new~0 1) 0) (<= 0 ~g1v~0) (<= 0 (+ ~g1v_new~0 1)) (<= ~g2v~0 0) (<= (+ ~g1v_new~0 1) 0) (<= |assert_#in~arg| 0) (<= 0 (+ ~nomsg~0 1)) (<= 0 (+ ~g2v_new~0 1)) (<= (+ ~nomsg~0 1) 0) (<= ~g1v~0 0) (<= 0 (+ ~g3v_new~0 1)) (<= (+ ~g2v_new~0 1) 0) (<= 0 |assert_#in~arg|) (<= 0 ~g2v~0) (<= 0 ~g3v~0))) (= (mod assert_~arg 256) 0) (= ~g1v~0 0) (= ~nomsg~0 (- 1)) (= ~g2v~0 0) (= assert_~arg |assert_#in~arg|)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...