java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/toy1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-04 14:31:29,572 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-04 14:31:29,574 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-04 14:31:29,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-04 14:31:29,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-04 14:31:29,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-04 14:31:29,589 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-04 14:31:29,591 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-04 14:31:29,592 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-04 14:31:29,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-04 14:31:29,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-04 14:31:29,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-04 14:31:29,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-04 14:31:29,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-04 14:31:29,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-04 14:31:29,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-04 14:31:29,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-04 14:31:29,600 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-04 14:31:29,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-04 14:31:29,604 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-04 14:31:29,605 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-04 14:31:29,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-04 14:31:29,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-04 14:31:29,608 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-04 14:31:29,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-04 14:31:29,611 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-04 14:31:29,611 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-04 14:31:29,612 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-04 14:31:29,612 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-04 14:31:29,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-04 14:31:29,614 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-04 14:31:29,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-04 14:31:29,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-04 14:31:29,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-04 14:31:29,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-04 14:31:29,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-04 14:31:29,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-04 14:31:29,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-04 14:31:29,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-04 14:31:29,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-04 14:31:29,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-04 14:31:29,620 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 [2019-10-04 14:31:29,640 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-04 14:31:29,642 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-04 14:31:29,643 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-04 14:31:29,643 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-04 14:31:29,644 INFO L138 SettingsManager]: * Use SBE=true [2019-10-04 14:31:29,644 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-04 14:31:29,644 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-04 14:31:29,644 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-04 14:31:29,645 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-04 14:31:29,645 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-04 14:31:29,645 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-04 14:31:29,645 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-04 14:31:29,645 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-04 14:31:29,645 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-04 14:31:29,646 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-04 14:31:29,646 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-04 14:31:29,646 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-04 14:31:29,646 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-04 14:31:29,646 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-04 14:31:29,647 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-04 14:31:29,647 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-04 14:31:29,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-04 14:31:29,649 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-04 14:31:29,649 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-04 14:31:29,649 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-04 14:31:29,649 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-04 14:31:29,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-04 14:31:29,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-04 14:31:29,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-04 14:31:29,684 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-04 14:31:29,700 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-04 14:31:29,706 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-04 14:31:29,708 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-04 14:31:29,708 INFO L275 PluginConnector]: CDTParser initialized [2019-10-04 14:31:29,709 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy1.cil.c [2019-10-04 14:31:29,780 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6fc5819/161222b12bff4cc4a4d608f645746654/FLAGc3a59fc93 [2019-10-04 14:31:30,282 INFO L306 CDTParser]: Found 1 translation units. [2019-10-04 14:31:30,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy1.cil.c [2019-10-04 14:31:30,302 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6fc5819/161222b12bff4cc4a4d608f645746654/FLAGc3a59fc93 [2019-10-04 14:31:30,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a6fc5819/161222b12bff4cc4a4d608f645746654 [2019-10-04 14:31:30,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-04 14:31:30,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-04 14:31:30,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-04 14:31:30,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-04 14:31:30,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-04 14:31:30,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:31:30" (1/1) ... [2019-10-04 14:31:30,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2e1afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:30, skipping insertion in model container [2019-10-04 14:31:30,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.10 02:31:30" (1/1) ... [2019-10-04 14:31:30,647 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-04 14:31:30,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-04 14:31:31,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:31:31,101 INFO L188 MainTranslator]: Completed pre-run [2019-10-04 14:31:31,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-04 14:31:31,186 INFO L192 MainTranslator]: Completed translation [2019-10-04 14:31:31,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:31 WrapperNode [2019-10-04 14:31:31,187 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-04 14:31:31,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-04 14:31:31,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-04 14:31:31,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-04 14:31:31,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:31" (1/1) ... [2019-10-04 14:31:31,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:31" (1/1) ... [2019-10-04 14:31:31,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:31" (1/1) ... [2019-10-04 14:31:31,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:31" (1/1) ... [2019-10-04 14:31:31,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:31" (1/1) ... [2019-10-04 14:31:31,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:31" (1/1) ... [2019-10-04 14:31:31,250 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:31" (1/1) ... [2019-10-04 14:31:31,255 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-04 14:31:31,256 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-04 14:31:31,256 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-04 14:31:31,256 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-04 14:31:31,257 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.10 02:31:31" (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 [2019-10-04 14:31:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-04 14:31:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-04 14:31:31,322 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-04 14:31:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-10-04 14:31:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-10-04 14:31:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-10-04 14:31:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-10-04 14:31:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-10-04 14:31:31,323 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-04 14:31:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-04 14:31:31,324 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-04 14:31:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-04 14:31:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-04 14:31:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-04 14:31:31,324 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-10-04 14:31:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-10-04 14:31:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-10-04 14:31:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-10-04 14:31:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-04 14:31:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-04 14:31:31,325 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-04 14:31:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-04 14:31:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-04 14:31:31,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-04 14:31:32,622 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-04 14:31:32,623 INFO L283 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-04 14:31:32,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:31:32 BoogieIcfgContainer [2019-10-04 14:31:32,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-04 14:31:32,625 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-10-04 14:31:32,625 INFO L271 PluginConnector]: Initializing Sifa... [2019-10-04 14:31:32,626 INFO L275 PluginConnector]: Sifa initialized [2019-10-04 14:31:32,627 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.10 02:31:32" (1/1) ... [2019-10-04 14:31:32,628 INFO L79 SifaObserver]: LogSizeWrapperFluid Intern Fluid=SizeLimitFluid ♦ Abstract Domain=CompoundDomain ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ CompoundDomain Intern Domains=ExplicitValueDomain;IntervalDomain ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ SizeLimitFluid Max. Disjunctions=8 ♦ Simplification Technique=SIMPLIFY_QUICK ♦ SizeLimitFluid Max. DAG Size=-1 [2019-10-04 14:31:32,657 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-10-04 14:31:32,657 INFO L169 IcfgInterpreter]: Building call graph [2019-10-04 14:31:32,666 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-04 14:31:32,676 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-04 14:31:32,678 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-10-04 14:31:33,089 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 148 for LOIs [2019-10-04 14:31:33,116 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 114 for LOIs [2019-10-04 14:31:33,159 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-04 14:31:34,763 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-04 14:31:36,863 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 10 [2019-10-04 14:32:50,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:50,380 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:50,572 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 116 [2019-10-04 14:32:50,697 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:50,861 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 116 [2019-10-04 14:32:51,497 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-04 14:32:51,559 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:51,569 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:51,775 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 104 [2019-10-04 14:32:52,203 WARN L191 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-04 14:32:52,270 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:52,285 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:52,316 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:52,450 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 104 [2019-10-04 14:32:53,195 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-04 14:32:53,736 WARN L191 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-04 14:32:53,796 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:53,806 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:54,347 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-04 14:32:54,413 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:54,430 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:54,463 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2019-10-04 14:32:55,322 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-04 14:32:55,773 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 388 DAG size of output: 104 [2019-10-04 14:32:55,823 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 88 for LOIs [2019-10-04 14:34:25,400 WARN L191 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-10-04 14:38:11,888 INFO L199 IcfgInterpreter]: Interpreting procedure write_loop with input of size 59 for LOIs [2019-10-04 14:38:11,929 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 47 for LOIs [2019-10-04 14:38:11,935 INFO L183 IcfgInterpreter]: Interpretation finished [2019-10-04 14:38:11,935 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-10-04 14:38:11,937 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 313257#(and (<= ~c2_i~0 1) (not (= 0 ~wl_pc~0)) (= 2 ~wl_pc~0) (<= ~p_in~0 0) (= 1 ~wl_st~0) (<= ~e_p_in~0 0) (<= ~e_c~0 2) (<= 0 ~p_out~0) (<= 2 ~wl_pc~0) (<= ~wl_i~0 1) (<= ~wl_pc~0 2) (<= 1 ~c1_i~0) (<= ~r_i~0 0) (<= 0 ~e_p_in~0) (<= 1 ~wl_i~0) (<= ~c1_i~0 1) (<= 1 ~e_c~0) (<= ~wl_st~0 1) (<= ~p_out~0 0) (<= ~wb_i~0 1) (<= 1 ~wb_i~0) (<= 0 ~r_i~0) (<= 1 ~c2_i~0) (<= 1 ~wl_st~0) (not (= ~d~0 (+ ~t_b~0 1))) (<= 0 ~p_in~0)) [2019-10-04 14:38:11,949 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-10-04 14:38:11,949 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-10-04 14:38:11,952 INFO L168 Benchmark]: Toolchain (without parser) took 401321.29 ms. Allocated memory was 130.5 MB in the beginning and 2.8 GB in the end (delta: 2.7 GB). Free memory was 85.9 MB in the beginning and 40.3 MB in the end (delta: 45.6 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2019-10-04 14:38:11,953 INFO L168 Benchmark]: CDTParser took 0.63 ms. Allocated memory is still 130.5 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. [2019-10-04 14:38:11,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.42 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.7 MB in the beginning and 171.7 MB in the end (delta: -86.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2019-10-04 14:38:11,956 INFO L168 Benchmark]: Boogie Preprocessor took 67.45 ms. Allocated memory is still 198.2 MB. Free memory was 171.7 MB in the beginning and 168.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-10-04 14:38:11,963 INFO L168 Benchmark]: RCFGBuilder took 1368.93 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 168.8 MB in the beginning and 157.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. [2019-10-04 14:38:11,964 INFO L168 Benchmark]: Sifa took 399324.57 ms. Allocated memory was 217.6 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 157.4 MB in the beginning and 40.3 MB in the end (delta: 117.1 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2019-10-04 14:38:11,967 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63 ms. Allocated memory is still 130.5 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 556.42 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.7 MB in the beginning and 171.7 MB in the end (delta: -86.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 67.45 ms. Allocated memory is still 198.2 MB. Free memory was 171.7 MB in the beginning and 168.8 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1368.93 ms. Allocated memory was 198.2 MB in the beginning and 217.6 MB in the end (delta: 19.4 MB). Free memory was 168.8 MB in the beginning and 157.4 MB in the end (delta: 11.5 MB). Peak memory consumption was 103.2 MB. Max. memory is 7.1 GB. * Sifa took 399324.57 ms. Allocated memory was 217.6 MB in the beginning and 2.8 GB in the end (delta: 2.6 GB). Free memory was 157.4 MB in the beginning and 40.3 MB in the end (delta: 117.1 MB). Peak memory consumption was 2.7 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]: 399281, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 74623, DAG_INTERPRETER_EARLY_EXITS: 240, TOOLS_POST_APPLICATIONS: 58818, TOOLS_POST_TIME[ms]: 8159, TOOLS_POST_CALL_APPLICATIONS: 6554, TOOLS_POST_CALL_TIME[ms]: 4329, TOOLS_POST_RETURN_APPLICATIONS: 6548, TOOLS_POST_RETURN_TIME[ms]: 2987, TOOLS_QUANTIFIERELIM_APPLICATIONS: 71920, TOOLS_QUANTIFIERELIM_TIME[ms]: 9189, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 37, FLUID_QUERY_TIME[ms]: 549, FLUID_QUERIES: 75706, FLUID_YES_ANSWERS: 15, DOMAIN_JOIN_APPLICATIONS: 40038, DOMAIN_JOIN_TIME[ms]: 335717, DOMAIN_ALPHA_APPLICATIONS: 15, DOMAIN_ALPHA_TIME[ms]: 9255, DOMAIN_WIDEN_APPLICATIONS: 306, DOMAIN_WIDEN_TIME[ms]: 1110, DOMAIN_ISSUBSETEQ_APPLICATIONS: 1083, DOMAIN_ISSUBSETEQ_TIME[ms]: 676, DOMAIN_ISBOTTOM_APPLICATIONS: 35088, DOMAIN_ISBOTTOM_TIME[ms]: 33260, LOOP_SUMMARIZER_APPLICATIONS: 777, LOOP_SUMMARIZER_CACHE_MISSES: 777, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 354235, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 354227, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 1083, CALL_SUMMARIZER_APPLICATIONS: 6548, CALL_SUMMARIZER_CACHE_MISSES: 10, CALL_SUMMARIZER_OVERALL_TIME[ms]: 72328, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 72321, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 7, REGEX_TO_DAG_TIME[ms]: 15, DAG_COMPRESSION_TIME[ms]: 400, DAG_COMPRESSION_PROCESSED_NODES: 20300, DAG_COMPRESSION_RETAINED_NODES: 7947 - UnprovableResult [Line: 13]: 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 313257#(and (<= ~c2_i~0 1) (not (= 0 ~wl_pc~0)) (= 2 ~wl_pc~0) (<= ~p_in~0 0) (= 1 ~wl_st~0) (<= ~e_p_in~0 0) (<= ~e_c~0 2) (<= 0 ~p_out~0) (<= 2 ~wl_pc~0) (<= ~wl_i~0 1) (<= ~wl_pc~0 2) (<= 1 ~c1_i~0) (<= ~r_i~0 0) (<= 0 ~e_p_in~0) (<= 1 ~wl_i~0) (<= ~c1_i~0 1) (<= 1 ~e_c~0) (<= ~wl_st~0 1) (<= ~p_out~0 0) (<= ~wb_i~0 1) (<= 1 ~wb_i~0) (<= 0 ~r_i~0) (<= 1 ~c2_i~0) (<= 1 ~wl_st~0) (not (= ~d~0 (+ ~t_b~0 1))) (<= 0 ~p_in~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...