java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 14:31:24,085 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 14:31:24,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 14:31:24,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 14:31:24,099 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 14:31:24,100 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 14:31:24,101 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 14:31:24,103 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 14:31:24,107 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 14:31:24,108 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 14:31:24,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 14:31:24,111 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 14:31:24,111 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 14:31:24,112 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 14:31:24,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 14:31:24,117 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 14:31:24,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 14:31:24,120 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 14:31:24,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 14:31:24,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 14:31:24,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 14:31:24,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 14:31:24,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 14:31:24,134 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 14:31:24,137 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 14:31:24,137 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 14:31:24,137 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 14:31:24,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 14:31:24,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 14:31:24,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 14:31:24,143 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 14:31:24,145 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 14:31:24,145 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 14:31:24,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 14:31:24,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 14:31:24,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 14:31:24,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 14:31:24,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 14:31:24,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 14:31:24,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 14:31:24,155 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 14:31:24,157 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 14:31:24,175 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 14:31:24,175 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 14:31:24,176 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 14:31:24,177 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 14:31:24,177 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 14:31:24,177 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 14:31:24,177 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 14:31:24,177 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 14:31:24,178 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 14:31:24,178 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 14:31:24,178 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 14:31:24,178 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 14:31:24,178 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 14:31:24,178 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 14:31:24,179 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 14:31:24,179 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 14:31:24,179 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 14:31:24,179 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 14:31:24,179 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 14:31:24,180 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 14:31:24,180 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 14:31:24,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:31:24,180 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 14:31:24,180 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 14:31:24,181 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 14:31:24,181 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 14:31:24,181 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 14:31:24,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 14:31:24,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 14:31:24,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 14:31:24,240 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 14:31:24,243 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 14:31:24,245 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 14:31:24,245 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 14:31:24,246 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:31:24,307 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e593f8321/44c35fe8aa8b4101828587cc7af535b1/FLAGf2638117f [2019-09-06 14:31:24,895 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 14:31:24,896 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_opt-floodmax.3.4.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-06 14:31:24,922 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e593f8321/44c35fe8aa8b4101828587cc7af535b1/FLAGf2638117f [2019-09-06 14:31:25,138 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e593f8321/44c35fe8aa8b4101828587cc7af535b1 [2019-09-06 14:31:25,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 14:31:25,150 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 14:31:25,151 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 14:31:25,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 14:31:25,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 14:31:25,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:31:25" (1/1) ... [2019-09-06 14:31:25,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57e7121e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:25, skipping insertion in model container [2019-09-06 14:31:25,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 02:31:25" (1/1) ... [2019-09-06 14:31:25,165 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 14:31:25,249 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 14:31:25,823 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:31:25,837 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 14:31:25,989 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 14:31:26,010 INFO L192 MainTranslator]: Completed translation [2019-09-06 14:31:26,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:26 WrapperNode [2019-09-06 14:31:26,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 14:31:26,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 14:31:26,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 14:31:26,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 14:31:26,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:26" (1/1) ... [2019-09-06 14:31:26,025 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:26" (1/1) ... [2019-09-06 14:31:26,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:26" (1/1) ... [2019-09-06 14:31:26,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:26" (1/1) ... [2019-09-06 14:31:26,090 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:26" (1/1) ... [2019-09-06 14:31:26,120 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:26" (1/1) ... [2019-09-06 14:31:26,133 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:26" (1/1) ... [2019-09-06 14:31:26,142 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 14:31:26,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 14:31:26,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 14:31:26,143 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 14:31:26,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 02:31:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 14:31:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 14:31:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 14:31:26,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 14:31:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 14:31:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 14:31:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 14:31:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 14:31:26,213 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 14:31:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 14:31:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 14:31:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 14:31:26,214 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 14:31:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 14:31:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 14:31:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 14:31:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 14:31:26,215 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 14:31:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 14:31:26,216 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 14:31:27,711 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 14:31:27,712 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-06 14:31:27,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:31:27 BoogieIcfgContainer [2019-09-06 14:31:27,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 14:31:27,714 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 14:31:27,714 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 14:31:27,715 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 14:31:27,716 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 02:31:27" (1/1) ... [2019-09-06 14:31:27,719 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 14:31:27,760 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 14:31:27,761 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 14:31:27,789 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 14:31:27,805 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 14:31:27,807 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 14:31:27,992 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 268 for LOIs [2019-09-06 14:32:21,493 WARN L188 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:32:24,786 WARN L188 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:32:28,293 WARN L188 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:32:31,606 WARN L188 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 362 DAG size of output: 337 [2019-09-06 14:32:48,909 WARN L188 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:32:52,154 WARN L188 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:32:55,532 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:32:58,788 WARN L188 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 358 DAG size of output: 333 [2019-09-06 14:33:04,825 WARN L188 SmtUtils]: Spent 3.48 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:33:08,068 WARN L188 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:33:11,511 WARN L188 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:33:14,743 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:33:30,862 WARN L188 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:33:34,163 WARN L188 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:33:37,435 WARN L188 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:33:40,796 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 362 DAG size of output: 337 [2019-09-06 14:33:53,996 WARN L188 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:33:57,160 WARN L188 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:34:00,463 WARN L188 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:34:03,751 WARN L188 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 362 DAG size of output: 337 [2019-09-06 14:34:18,472 WARN L188 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:34:21,671 WARN L188 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:34:24,993 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:34:28,276 WARN L188 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:34:33,257 WARN L188 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:34:36,455 WARN L188 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:34:39,776 WARN L188 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:34:43,071 WARN L188 SmtUtils]: Spent 3.29 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:34:56,954 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:35:00,184 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:35:03,492 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:35:06,700 WARN L188 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:35:11,370 WARN L188 SmtUtils]: Spent 3.15 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:35:14,646 WARN L188 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:35:18,019 WARN L188 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:35:21,243 WARN L188 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:35:28,488 WARN L188 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:35:31,785 WARN L188 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:35:35,235 WARN L188 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:35:38,451 WARN L188 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 358 DAG size of output: 333 [2019-09-06 14:35:48,195 WARN L188 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:35:51,465 WARN L188 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:35:54,818 WARN L188 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:35:58,044 WARN L188 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 362 DAG size of output: 337 [2019-09-06 14:36:04,629 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:36:07,896 WARN L188 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:36:11,150 WARN L188 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 358 DAG size of output: 333 [2019-09-06 14:36:14,470 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:36:30,109 WARN L188 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:36:33,304 WARN L188 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:36:36,599 WARN L188 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 358 DAG size of output: 333 [2019-09-06 14:36:39,920 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 362 DAG size of output: 337 [2019-09-06 14:36:44,941 WARN L188 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:36:48,113 WARN L188 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:36:51,422 WARN L188 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:36:54,701 WARN L188 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 362 DAG size of output: 337 [2019-09-06 14:36:58,679 WARN L188 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:37:01,876 WARN L188 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:37:05,226 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 358 DAG size of output: 333 [2019-09-06 14:37:08,487 WARN L188 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:37:12,769 WARN L188 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 355 DAG size of output: 331 [2019-09-06 14:37:16,006 WARN L188 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 359 DAG size of output: 335 [2019-09-06 14:37:19,372 WARN L188 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 362 DAG size of output: 338 [2019-09-06 14:37:22,562 WARN L188 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 358 DAG size of output: 333 [2019-09-06 14:37:26,876 WARN L188 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:37:30,080 WARN L188 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:37:33,348 WARN L188 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:37:36,806 WARN L188 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 362 DAG size of output: 337 [2019-09-06 14:37:44,659 WARN L188 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:37:47,980 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:37:51,488 WARN L188 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 362 DAG size of output: 337 [2019-09-06 14:37:54,849 WARN L188 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 358 DAG size of output: 333 [2019-09-06 14:37:59,089 WARN L188 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 359 DAG size of output: 334 [2019-09-06 14:38:02,415 WARN L188 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 355 DAG size of output: 330 [2019-09-06 14:38:05,863 WARN L188 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 362 DAG size of output: 337 [2019-09-06 14:38:09,252 WARN L188 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 358 DAG size of output: 334 [2019-09-06 14:38:09,502 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 14:38:09,503 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 14:38:09,506 INFO L193 IcfgInterpreter]: Reachable states at location mainErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 193867#(or (and (<= 0 ~__return_2526~0) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= ~__return_2526~0 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) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1)) (and (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= 0 ~__return_2401~0) (<= main_~check__tmp~3 1) (<= 0 main_~__tmp_4~0) (<= ~__return_2401~0 1) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= main_~assert__arg~3 1) (<= 0 main_~check__tmp~3) (<= main_~__tmp_4~0 1))) [2019-09-06 14:38:09,517 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 14:38:09,517 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 14:38:09,519 INFO L168 Benchmark]: Toolchain (without parser) took 404369.37 ms. Allocated memory was 134.2 MB in the beginning and 2.3 GB in the end (delta: 2.2 GB). Free memory was 88.6 MB in the beginning and 587.9 MB in the end (delta: -499.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-09-06 14:38:09,519 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 108.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 14:38:09,520 INFO L168 Benchmark]: CACSL2BoogieTranslator took 860.82 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 88.6 MB in the beginning and 163.4 MB in the end (delta: -74.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2019-09-06 14:38:09,521 INFO L168 Benchmark]: Boogie Preprocessor took 130.40 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 158.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-06 14:38:09,522 INFO L168 Benchmark]: RCFGBuilder took 1571.39 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 158.6 MB in the beginning and 144.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. [2019-09-06 14:38:09,523 INFO L168 Benchmark]: Sifa took 401803.05 ms. Allocated memory was 229.1 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 144.6 MB in the beginning and 587.9 MB in the end (delta: -443.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-09-06 14:38:09,526 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory is still 108.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 860.82 ms. Allocated memory was 134.2 MB in the beginning and 201.9 MB in the end (delta: 67.6 MB). Free memory was 88.6 MB in the beginning and 163.4 MB in the end (delta: -74.8 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.40 ms. Allocated memory is still 201.9 MB. Free memory was 163.4 MB in the beginning and 158.6 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1571.39 ms. Allocated memory was 201.9 MB in the beginning and 229.1 MB in the end (delta: 27.3 MB). Free memory was 158.6 MB in the beginning and 144.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 83.6 MB. Max. memory is 7.1 GB. * Sifa took 401803.05 ms. Allocated memory was 229.1 MB in the beginning and 2.3 GB in the end (delta: 2.1 GB). Free memory was 144.6 MB in the beginning and 587.9 MB in the end (delta: -443.4 MB). Peak memory consumption was 1.7 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]: 401746, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 133236, DAG_INTERPRETER_EARLY_EXITS: 2611, TOOLS_POST_APPLICATIONS: 130167, TOOLS_POST_TIME[ms]: 269571, TOOLS_POST_CALL_APPLICATIONS: 2, TOOLS_POST_CALL_TIME[ms]: 64, TOOLS_POST_RETURN_APPLICATIONS: 1, TOOLS_POST_RETURN_TIME[ms]: 20, TOOLS_QUANTIFIERELIM_TIME[ms]: 257706, FLUID_QUERY_TIME[ms]: 1123, FLUID_QUERIES: 133276, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 63675, DOMAIN_JOIN_TIME[ms]: 33278, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 20, DOMAIN_WIDEN_TIME[ms]: 3, DOMAIN_ISSUBSETEQ_APPLICATIONS: 40, DOMAIN_ISSUBSETEQ_TIME[ms]: 24, DOMAIN_ISBOTTOM_APPLICATIONS: 54543, DOMAIN_ISBOTTOM_TIME[ms]: 84309, LOOP_SUMMARIZER_APPLICATIONS: 20, LOOP_SUMMARIZER_CACHE_MISSES: 20, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 40079, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 40076, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 40, CALL_SUMMARIZER_APPLICATIONS: 1, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 59, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 16, PATH_EXPR_TIME[ms]: 63, REGEX_TO_DAG_TIME[ms]: 310, DAG_COMPRESSION_TIME[ms]: 6863, DAG_COMPRESSION_PROCESSED_NODES: 682451, DAG_COMPRESSION_RETAINED_NODES: 270867 - UnprovableResult [Line: 897]: 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 193867#(or (and (<= 0 ~__return_2526~0) (<= ~mode3~0 1) (<= main_~main__c1~0 1) (<= ~__return_2526~0 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) (<= main_~assert__arg~3 1) (<= main_~__tmp_4~0 1)) (and (<= main_~main__c1~0 1) (<= 0 ~mode3~0) (<= ~mode3~0 0) (<= 0 ~__return_2401~0) (<= main_~check__tmp~3 1) (<= 0 main_~__tmp_4~0) (<= ~__return_2401~0 1) (<= 0 main_~main__c1~0) (<= 0 main_~assert__arg~3) (<= main_~assert__arg~3 1) (<= 0 main_~check__tmp~3) (<= main_~__tmp_4~0 1))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...