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/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:53:02,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:53:02,165 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:53:02,177 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:53:02,178 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:53:02,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:53:02,180 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:53:02,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:53:02,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:53:02,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:53:02,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:53:02,188 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:53:02,188 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:53:02,190 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:53:02,191 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:53:02,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:53:02,193 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:53:02,194 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:53:02,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:53:02,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:53:02,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:53:02,201 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:53:02,202 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:53:02,203 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:53:02,206 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 11:53:02,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:53:02,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:53:02,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:53:02,213 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:53:02,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:53:02,214 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:53:02,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:53:02,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:53:02,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:53:02,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:53:02,217 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:53:02,218 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 11:53:02,234 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:53:02,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:53:02,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:53:02,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:53:02,236 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:53:02,236 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:53:02,237 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:53:02,237 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:53:02,237 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:53:02,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:53:02,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:53:02,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:53:02,238 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:53:02,238 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:53:02,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:53:02,238 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:53:02,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:53:02,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:53:02,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:53:02,239 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:53:02,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:53:02,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:53:02,240 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:53:02,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:53:02,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:53:02,240 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:53:02,240 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:53:02,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:53:02,241 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 11:53:02,272 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:53:02,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:53:02,288 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:53:02,290 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:53:02,290 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:53:02,291 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c [2019-09-06 11:53:02,361 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4cabad2d/3e0678b357bb410792cd4ae6cf86e9da/FLAG086bc0622 [2019-09-06 11:53:02,926 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:53:02,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c [2019-09-06 11:53:02,949 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4cabad2d/3e0678b357bb410792cd4ae6cf86e9da/FLAG086bc0622 [2019-09-06 11:53:03,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4cabad2d/3e0678b357bb410792cd4ae6cf86e9da [2019-09-06 11:53:03,172 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:53:03,173 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:53:03,175 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:53:03,175 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:53:03,179 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:53:03,180 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:53:03" (1/1) ... [2019-09-06 11:53:03,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df37c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03, skipping insertion in model container [2019-09-06 11:53:03,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:53:03" (1/1) ... [2019-09-06 11:53:03,192 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:53:03,258 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:53:03,716 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:53:03,728 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:53:03,845 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:53:03,872 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:53:03,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03 WrapperNode [2019-09-06 11:53:03,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:53:03,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:53:03,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:53:03,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:53:03,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03" (1/1) ... [2019-09-06 11:53:03,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03" (1/1) ... [2019-09-06 11:53:03,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03" (1/1) ... [2019-09-06 11:53:03,902 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03" (1/1) ... [2019-09-06 11:53:03,929 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03" (1/1) ... [2019-09-06 11:53:03,956 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03" (1/1) ... [2019-09-06 11:53:03,962 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03" (1/1) ... [2019-09-06 11:53:03,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:53:03,971 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:53:03,971 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:53:03,971 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:53:03,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:53:03" (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 11:53:04,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:53:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:53:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-06 11:53:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-06 11:53:04,069 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-06 11:53:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-06 11:53:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-06 11:53:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-06 11:53:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:53:04,070 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-06 11:53:04,070 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:53:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-06 11:53:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-06 11:53:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-06 11:53:04,071 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-06 11:53:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-06 11:53:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-06 11:53:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-06 11:53:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-06 11:53:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-06 11:53:04,072 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-06 11:53:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-06 11:53:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-06 11:53:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-06 11:53:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:53:04,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:53:04,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:53:05,729 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:53:05,729 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-06 11:53:05,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:53:05 BoogieIcfgContainer [2019-09-06 11:53:05,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:53:05,732 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:53:05,732 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:53:05,732 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:53:05,734 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:53:05" (1/1) ... [2019-09-06 11:53:05,734 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 11:53:05,769 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:53:05,770 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:53:05,796 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:53:05,811 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:53:05,813 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:53:06,075 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 383 for LOIs [2019-09-06 11:55:32,940 WARN L188 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 277 DAG size of output: 276 [2019-09-06 11:55:34,650 WARN L188 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 274 DAG size of output: 272 [2019-09-06 11:55:36,442 WARN L188 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 274 DAG size of output: 273 [2019-09-06 11:55:38,125 WARN L188 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 271 DAG size of output: 269 [2019-09-06 11:55:39,702 WARN L188 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2019-09-06 11:55:40,995 WARN L188 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 234 DAG size of output: 232 [2019-09-06 11:55:42,368 WARN L188 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2019-09-06 11:55:43,019 WARN L188 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2019-09-06 11:55:44,111 WARN L188 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2019-09-06 11:55:45,105 WARN L188 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2019-09-06 11:55:46,173 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2019-09-06 11:55:46,667 WARN L188 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-06 11:55:47,706 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2019-09-06 11:55:48,201 WARN L188 SmtUtils]: Spent 493.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-06 11:55:49,245 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2019-09-06 11:55:49,727 WARN L188 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-06 11:55:50,757 WARN L188 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 200 DAG size of output: 199 [2019-09-06 11:55:51,748 WARN L188 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2019-09-06 11:55:52,787 WARN L188 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2019-09-06 11:55:53,274 WARN L188 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2019-09-06 11:55:54,625 WARN L188 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 163 DAG size of output: 162 [2019-09-06 11:55:55,327 WARN L188 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 158 [2019-09-06 11:55:56,272 WARN L188 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 165 [2019-09-06 11:55:57,000 WARN L188 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 161 [2019-09-06 11:55:58,343 INFO L199 IcfgInterpreter]: Interpreting procedure assert with input of size 157 for LOIs [2019-09-06 11:55:58,457 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:55:58,458 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:55:58,463 INFO L193 IcfgInterpreter]: Reachable states at location assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 59604#(and (<= 0 (+ ~id3~0 128)) (<= 0 ~p14~0) (<= ~mode2~0 1) (<= (+ ~p31_new~0 1) 0) (<= 0 ~p34~0) (<= (+ ~p32_new~0 1) 0) (<= 0 (+ ~p12_new~0 1)) (<= ~id1~0 127) (<= ~mode3~0 1) (<= ~p41~0 0) (<= (+ ~p41_new~0 1) 0) (<= 0 (+ ~p43_new~0 1)) (<= 0 ~p21~0) (<= 0 (+ ~p21_new~0 1)) (<= 0 (+ ~p23_new~0 1)) (<= 0 (+ ~p13_new~0 1)) (<= 0 ~p12~0) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= (+ ~nomsg~0 1) 0) (<= (+ ~p43_new~0 1) 0) (<= 0 ~p13~0) (<= 0 ~p43~0) (<= 0 ~p31~0) (<= (+ ~p42_new~0 1) 0) (<= 0 (+ ~p34_new~0 1)) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= ~p13~0 0) (<= 0 ~p32~0) (<= ~id4~0 127) (<= 0 (+ ~p32_new~0 1)) (<= ~p21~0 0) (<= 0 ~mode1~0) (<= assert_~arg 1) (<= 0 (+ ~p42_new~0 1)) (<= ~p32~0 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= (+ ~p12_new~0 1) 0) (<= 0 assert_~arg) (<= ~p12~0 0) (<= 0 ~p41~0) (<= ~p34~0 0) (<= (+ ~p14_new~0 1) 0) (<= 0 ~p24~0) (<= (+ ~p13_new~0 1) 0) (<= 0 |assert_#in~arg|) (<= 0 ~p42~0) (<= 0 (+ ~p24_new~0 1)) (<= ~p14~0 0) (<= ~id2~0 127) (<= 0 (+ ~p14_new~0 1)) (<= 0 (+ ~p41_new~0 1)) (<= ~p31~0 0) (<= 0 ~mode3~0) (<= |assert_#in~arg| 1) (<= (+ ~p24_new~0 1) 0) (<= (+ ~p34_new~0 1) 0) (<= (+ ~p21_new~0 1) 0) (<= ~p23~0 0) (<= ~id3~0 127) (<= ~p43~0 0) (<= 0 (+ ~p31_new~0 1)) (<= ~p42~0 0) (<= 0 ~p23~0) (<= 0 (+ ~id2~0 128)) (<= 0 ~mode4~0) (<= ~p24~0 0) (<= (+ ~p23_new~0 1) 0)) [2019-09-06 11:55:58,486 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:55:58,487 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:55:58,489 INFO L168 Benchmark]: Toolchain (without parser) took 175315.51 ms. Allocated memory was 131.1 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 84.4 MB in the beginning and 1.5 GB in the end (delta: -1.4 GB). Peak memory consumption was 663.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:55:58,491 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-06 11:55:58,494 INFO L168 Benchmark]: CACSL2BoogieTranslator took 697.96 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 84.1 MB in the beginning and 161.2 MB in the end (delta: -77.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:55:58,496 INFO L168 Benchmark]: Boogie Preprocessor took 97.29 ms. Allocated memory is still 199.2 MB. Free memory was 161.2 MB in the beginning and 156.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-06 11:55:58,506 INFO L168 Benchmark]: RCFGBuilder took 1760.63 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 156.0 MB in the beginning and 168.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. [2019-09-06 11:55:58,509 INFO L168 Benchmark]: Sifa took 172755.25 ms. Allocated memory was 220.2 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 168.1 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 657.9 MB. Max. memory is 7.1 GB. [2019-09-06 11:55:58,523 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 131.1 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 697.96 ms. Allocated memory was 131.1 MB in the beginning and 199.2 MB in the end (delta: 68.2 MB). Free memory was 84.1 MB in the beginning and 161.2 MB in the end (delta: -77.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.29 ms. Allocated memory is still 199.2 MB. Free memory was 161.2 MB in the beginning and 156.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1760.63 ms. Allocated memory was 199.2 MB in the beginning and 220.2 MB in the end (delta: 21.0 MB). Free memory was 156.0 MB in the beginning and 168.1 MB in the end (delta: -12.1 MB). Peak memory consumption was 90.0 MB. Max. memory is 7.1 GB. * Sifa took 172755.25 ms. Allocated memory was 220.2 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 168.1 MB in the beginning and 1.5 GB in the end (delta: -1.3 GB). Peak memory consumption was 657.9 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]: 172694, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 38361, DAG_INTERPRETER_EARLY_EXITS: 590, TOOLS_POST_APPLICATIONS: 37099, TOOLS_POST_TIME[ms]: 35851, TOOLS_POST_CALL_APPLICATIONS: 21, TOOLS_POST_CALL_TIME[ms]: 308, TOOLS_POST_RETURN_APPLICATIONS: 19, TOOLS_POST_RETURN_TIME[ms]: 105, TOOLS_QUANTIFIERELIM_TIME[ms]: 26298, FLUID_QUERY_TIME[ms]: 1263, FLUID_QUERIES: 38363, FLUID_YES_ANSWERS: 7, DOMAIN_JOIN_APPLICATIONS: 22448, DOMAIN_JOIN_TIME[ms]: 51688, DOMAIN_ALPHA_APPLICATIONS: 7, DOMAIN_ALPHA_TIME[ms]: 207, DOMAIN_WIDEN_APPLICATIONS: 1, DOMAIN_WIDEN_TIME[ms]: 5, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 81, DOMAIN_ISBOTTOM_APPLICATIONS: 22075, DOMAIN_ISBOTTOM_TIME[ms]: 79257, LOOP_SUMMARIZER_APPLICATIONS: 1, LOOP_SUMMARIZER_CACHE_MISSES: 1, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 27473, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27472, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 2, CALL_SUMMARIZER_APPLICATIONS: 19, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 171898, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 11, PATH_EXPR_TIME[ms]: 31, REGEX_TO_DAG_TIME[ms]: 35, DAG_COMPRESSION_TIME[ms]: 1966, DAG_COMPRESSION_PROCESSED_NODES: 113229, DAG_COMPRESSION_RETAINED_NODES: 39328 - UnprovableResult [Line: 1323]: 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 59604#(and (<= 0 (+ ~id3~0 128)) (<= 0 ~p14~0) (<= ~mode2~0 1) (<= (+ ~p31_new~0 1) 0) (<= 0 ~p34~0) (<= (+ ~p32_new~0 1) 0) (<= 0 (+ ~p12_new~0 1)) (<= ~id1~0 127) (<= ~mode3~0 1) (<= ~p41~0 0) (<= (+ ~p41_new~0 1) 0) (<= 0 (+ ~p43_new~0 1)) (<= 0 ~p21~0) (<= 0 (+ ~p21_new~0 1)) (<= 0 (+ ~p23_new~0 1)) (<= 0 (+ ~p13_new~0 1)) (<= 0 ~p12~0) (<= ~mode1~0 1) (<= ~mode4~0 1) (<= (+ ~nomsg~0 1) 0) (<= (+ ~p43_new~0 1) 0) (<= 0 ~p13~0) (<= 0 ~p43~0) (<= 0 ~p31~0) (<= (+ ~p42_new~0 1) 0) (<= 0 (+ ~p34_new~0 1)) (<= 0 (+ ~id1~0 128)) (<= 0 (+ ~id4~0 128)) (<= ~p13~0 0) (<= 0 ~p32~0) (<= ~id4~0 127) (<= 0 (+ ~p32_new~0 1)) (<= ~p21~0 0) (<= 0 ~mode1~0) (<= assert_~arg 1) (<= 0 (+ ~p42_new~0 1)) (<= ~p32~0 0) (<= 0 ~mode2~0) (<= 0 (+ ~nomsg~0 1)) (<= (+ ~p12_new~0 1) 0) (<= 0 assert_~arg) (<= ~p12~0 0) (<= 0 ~p41~0) (<= ~p34~0 0) (<= (+ ~p14_new~0 1) 0) (<= 0 ~p24~0) (<= (+ ~p13_new~0 1) 0) (<= 0 |assert_#in~arg|) (<= 0 ~p42~0) (<= 0 (+ ~p24_new~0 1)) (<= ~p14~0 0) (<= ~id2~0 127) (<= 0 (+ ~p14_new~0 1)) (<= 0 (+ ~p41_new~0 1)) (<= ~p31~0 0) (<= 0 ~mode3~0) (<= |assert_#in~arg| 1) (<= (+ ~p24_new~0 1) 0) (<= (+ ~p34_new~0 1) 0) (<= (+ ~p21_new~0 1) 0) (<= ~p23~0 0) (<= ~id3~0 127) (<= ~p43~0 0) (<= 0 (+ ~p31_new~0 1)) (<= ~p42~0 0) (<= 0 ~p23~0) (<= 0 (+ ~id2~0 128)) (<= 0 ~mode4~0) (<= ~p24~0 0) (<= (+ ~p23_new~0 1) 0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...