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.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/nla-digbench/lcm1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-21 09:51:02,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-21 09:51:02,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-21 09:51:02,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-21 09:51:02,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-21 09:51:02,102 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-21 09:51:02,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-21 09:51:02,105 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-21 09:51:02,106 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-21 09:51:02,107 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-21 09:51:02,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-21 09:51:02,109 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-21 09:51:02,110 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-21 09:51:02,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-21 09:51:02,112 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-21 09:51:02,113 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-21 09:51:02,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-21 09:51:02,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-21 09:51:02,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-21 09:51:02,118 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-21 09:51:02,120 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-21 09:51:02,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-21 09:51:02,122 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-21 09:51:02,123 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-21 09:51:02,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-21 09:51:02,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-21 09:51:02,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-21 09:51:02,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-21 09:51:02,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-21 09:51:02,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-21 09:51:02,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-21 09:51:02,130 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-21 09:51:02,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-21 09:51:02,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-21 09:51:02,133 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-21 09:51:02,134 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-21 09:51:02,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-21 09:51:02,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-21 09:51:02,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-21 09:51:02,136 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-21 09:51:02,137 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-21 09:51:02,138 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 [2019-09-21 09:51:02,164 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-21 09:51:02,164 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-21 09:51:02,167 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-21 09:51:02,168 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-21 09:51:02,168 INFO L138 SettingsManager]: * Use SBE=true [2019-09-21 09:51:02,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-21 09:51:02,169 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-21 09:51:02,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-21 09:51:02,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-21 09:51:02,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-21 09:51:02,170 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-21 09:51:02,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-21 09:51:02,171 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-21 09:51:02,171 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-21 09:51:02,171 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-21 09:51:02,171 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-21 09:51:02,172 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-21 09:51:02,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-21 09:51:02,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-21 09:51:02,172 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-21 09:51:02,173 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-21 09:51:02,173 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-21 09:51:02,173 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-21 09:51:02,174 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-21 09:51:02,174 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-21 09:51:02,174 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-21 09:51:02,174 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-21 09:51:02,174 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-21 09:51:02,175 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: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-21 09:51:02,225 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-21 09:51:02,237 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-21 09:51:02,241 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-21 09:51:02,243 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-21 09:51:02,243 INFO L275 PluginConnector]: CDTParser initialized [2019-09-21 09:51:02,244 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/lcm1.c [2019-09-21 09:51:02,312 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1afc0e012/a5ffbc9997224b6793824b446b6894d6/FLAG0904b2a4a [2019-09-21 09:51:02,724 INFO L306 CDTParser]: Found 1 translation units. [2019-09-21 09:51:02,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/lcm1.c [2019-09-21 09:51:02,731 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1afc0e012/a5ffbc9997224b6793824b446b6894d6/FLAG0904b2a4a [2019-09-21 09:51:03,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1afc0e012/a5ffbc9997224b6793824b446b6894d6 [2019-09-21 09:51:03,129 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-21 09:51:03,130 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-21 09:51:03,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-21 09:51:03,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-21 09:51:03,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-21 09:51:03,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f2b4d35 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03, skipping insertion in model container [2019-09-21 09:51:03,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,149 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-21 09:51:03,170 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-21 09:51:03,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:51:03,387 INFO L188 MainTranslator]: Completed pre-run [2019-09-21 09:51:03,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-21 09:51:03,422 INFO L192 MainTranslator]: Completed translation [2019-09-21 09:51:03,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03 WrapperNode [2019-09-21 09:51:03,423 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-21 09:51:03,423 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-21 09:51:03,424 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-21 09:51:03,424 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-21 09:51:03,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-21 09:51:03,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-21 09:51:03,541 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-21 09:51:03,541 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-21 09:51:03,542 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.09 09:51:03" (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 [2019-09-21 09:51:03,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-21 09:51:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-21 09:51:03,597 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-21 09:51:03,598 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-21 09:51:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-21 09:51:03,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-21 09:51:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-21 09:51:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-21 09:51:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-21 09:51:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-21 09:51:03,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-21 09:51:03,914 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-21 09:51:03,915 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-21 09:51:03,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:51:03 BoogieIcfgContainer [2019-09-21 09:51:03,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-21 09:51:03,917 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-21 09:51:03,917 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-21 09:51:03,917 INFO L275 PluginConnector]: Sifa initialized [2019-09-21 09:51:03,918 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.09 09:51:03" (1/1) ... [2019-09-21 09:51:03,919 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=CompoundDomain ♦ 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=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-21 09:51:03,942 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-21 09:51:03,942 INFO L169 IcfgInterpreter]: Building call graph [2019-09-21 09:51:03,949 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-21 09:51:03,957 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-21 09:51:03,958 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-21 09:51:04,038 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 1 for LOIs [2019-09-21 09:51:06,606 WARN L191 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2019-09-21 09:51:06,732 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 332 [2019-09-21 09:51:07,037 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 333 [2019-09-21 09:51:07,881 WARN L191 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-09-21 09:51:08,070 WARN L191 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 419 [2019-09-21 09:51:08,545 WARN L191 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 413 [2019-09-21 09:51:09,872 WARN L191 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 372 DAG size of output: 372 [2019-09-21 09:51:09,978 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 372 [2019-09-21 09:51:10,387 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 377 [2019-09-21 09:51:10,711 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 09:51:10,993 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 515 [2019-09-21 09:51:11,638 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 516 [2019-09-21 09:51:11,910 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 439 DAG size of output: 439 [2019-09-21 09:51:12,074 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 439 [2019-09-21 09:51:12,598 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 444 [2019-09-21 09:51:13,133 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-09-21 09:51:13,605 WARN L191 SmtUtils]: Spent 470.00 ms on a formula simplification that was a NOOP. DAG size: 626 [2019-09-21 09:51:14,649 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 624 [2019-09-21 09:51:22,644 WARN L191 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 628 [2019-09-21 09:51:23,088 WARN L191 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 628 [2019-09-21 09:51:24,101 WARN L191 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 629 [2019-09-21 09:51:24,460 WARN L191 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 520 [2019-09-21 09:51:24,726 WARN L191 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 520 [2019-09-21 09:51:25,573 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 525 [2019-09-21 09:51:31,873 INFO L199 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 for LOIs [2019-09-21 09:51:31,875 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-21 09:51:31,875 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-21 09:51:31,877 INFO L193 IcfgInterpreter]: Reachable states at location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 2772#false [2019-09-21 09:51:31,884 INFO L100 SifaObserver]: ✔ All error locations are guaranteed to be unreachable. [2019-09-21 09:51:31,884 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-21 09:51:31,886 INFO L168 Benchmark]: Toolchain (without parser) took 28755.63 ms. Allocated memory was 140.0 MB in the beginning and 731.4 MB in the end (delta: 591.4 MB). Free memory was 86.9 MB in the beginning and 305.2 MB in the end (delta: -218.2 MB). Peak memory consumption was 373.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:31,887 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-21 09:51:31,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.85 ms. Allocated memory is still 140.0 MB. Free memory was 86.7 MB in the beginning and 76.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:31,889 INFO L168 Benchmark]: Boogie Preprocessor took 116.72 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 76.9 MB in the beginning and 176.8 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:31,890 INFO L168 Benchmark]: RCFGBuilder took 375.88 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 163.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:31,891 INFO L168 Benchmark]: Sifa took 27967.47 ms. Allocated memory was 199.2 MB in the beginning and 731.4 MB in the end (delta: 532.2 MB). Free memory was 162.4 MB in the beginning and 305.2 MB in the end (delta: -142.8 MB). Peak memory consumption was 389.4 MB. Max. memory is 7.1 GB. [2019-09-21 09:51:31,894 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 140.0 MB. Free memory was 104.9 MB in the beginning and 104.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.85 ms. Allocated memory is still 140.0 MB. Free memory was 86.7 MB in the beginning and 76.9 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.72 ms. Allocated memory was 140.0 MB in the beginning and 199.2 MB in the end (delta: 59.2 MB). Free memory was 76.9 MB in the beginning and 176.8 MB in the end (delta: -99.9 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.88 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 163.0 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Sifa took 27967.47 ms. Allocated memory was 199.2 MB in the beginning and 731.4 MB in the end (delta: 532.2 MB). Free memory was 162.4 MB in the beginning and 305.2 MB in the end (delta: -142.8 MB). Peak memory consumption was 389.4 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]: 27936, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 140, DAG_INTERPRETER_EARLY_EXITS: 3, TOOLS_POST_APPLICATIONS: 89, TOOLS_POST_TIME[ms]: 144, TOOLS_POST_CALL_APPLICATIONS: 38, TOOLS_POST_CALL_TIME[ms]: 7852, TOOLS_POST_RETURN_APPLICATIONS: 32, TOOLS_POST_RETURN_TIME[ms]: 142, TOOLS_QUANTIFIERELIM_APPLICATIONS: 159, TOOLS_QUANTIFIERELIM_TIME[ms]: 8048, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 6122, FLUID_QUERY_TIME[ms]: 8, FLUID_QUERIES: 157, FLUID_YES_ANSWERS: 2, DOMAIN_JOIN_APPLICATIONS: 44, DOMAIN_JOIN_TIME[ms]: 4446, DOMAIN_ALPHA_APPLICATIONS: 2, DOMAIN_ALPHA_TIME[ms]: 1336, DOMAIN_WIDEN_APPLICATIONS: 13, DOMAIN_WIDEN_TIME[ms]: 7444, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME[ms]: 6431, DOMAIN_ISBOTTOM_APPLICATIONS: 21, DOMAIN_ISBOTTOM_TIME[ms]: 30, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 27577, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 27576, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 32, CALL_SUMMARIZER_CACHE_MISSES: 2, CALL_SUMMARIZER_OVERALL_TIME[ms]: 78, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 78, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 3, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 38, DAG_COMPRESSION_PROCESSED_NODES: 263, DAG_COMPRESSION_RETAINED_NODES: 110 - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold RESULT: Ultimate proved your program to be correct! Received shutdown request...