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/systemc/pipeline.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:06,107 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:06,109 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:06,121 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:06,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:06,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:06,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:06,125 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:06,127 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:06,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:06,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:06,130 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:06,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:06,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:06,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:06,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:06,134 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:06,135 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:06,137 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:06,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:06,141 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:06,142 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:06,143 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:06,144 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:06,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-06 11:33:06,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:06,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:06,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:06,151 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:06,152 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:06,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:06,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:06,154 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:06,154 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:06,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:06,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:06,156 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 11:33:06,171 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:06,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:06,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:06,172 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:06,173 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:06,173 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:06,173 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:06,173 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:06,173 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:06,174 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:06,174 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:06,174 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:06,174 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:06,174 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:06,175 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:06,175 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:06,175 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:06,175 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:06,175 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:06,176 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:06,176 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:06,176 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:06,176 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:06,176 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:06,177 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:06,177 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:06,177 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:06,177 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:06,177 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 11:33:06,206 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:06,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:06,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:06,222 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:06,223 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:06,224 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pipeline.cil-1.c [2019-09-06 11:33:06,277 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74d4ba72/da2b8023d0054e57a0c36f9726b001bd/FLAG1b94b738d [2019-09-06 11:33:06,795 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:06,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pipeline.cil-1.c [2019-09-06 11:33:06,819 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74d4ba72/da2b8023d0054e57a0c36f9726b001bd/FLAG1b94b738d [2019-09-06 11:33:07,135 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c74d4ba72/da2b8023d0054e57a0c36f9726b001bd [2019-09-06 11:33:07,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:07,146 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:07,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:07,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:07,151 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:07,152 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:07" (1/1) ... [2019-09-06 11:33:07,154 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7df8f01b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07, skipping insertion in model container [2019-09-06 11:33:07,155 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:07" (1/1) ... [2019-09-06 11:33:07,160 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:07,224 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:07,463 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:07,470 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:07,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:07,636 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:07,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07 WrapperNode [2019-09-06 11:33:07,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:07,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:07,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:07,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:07,647 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07" (1/1) ... [2019-09-06 11:33:07,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07" (1/1) ... [2019-09-06 11:33:07,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07" (1/1) ... [2019-09-06 11:33:07,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07" (1/1) ... [2019-09-06 11:33:07,672 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07" (1/1) ... [2019-09-06 11:33:07,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07" (1/1) ... [2019-09-06 11:33:07,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07" (1/1) ... [2019-09-06 11:33:07,697 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:07,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:07,698 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:07,698 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:07,699 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:07" (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 11:33:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:07,754 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure N_generate [2019-09-06 11:33:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure S1_addsub [2019-09-06 11:33:07,755 INFO L138 BoogieDeclarations]: Found implementation of procedure S2_presdbl [2019-09-06 11:33:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure S3_zero [2019-09-06 11:33:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure D_print [2019-09-06 11:33:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:07,756 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure N_generate [2019-09-06 11:33:07,757 INFO L130 BoogieDeclarations]: Found specification of procedure S1_addsub [2019-09-06 11:33:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure S2_presdbl [2019-09-06 11:33:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure S3_zero [2019-09-06 11:33:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure D_print [2019-09-06 11:33:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:07,758 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:07,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:08,475 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:08,476 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-06 11:33:08,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:08 BoogieIcfgContainer [2019-09-06 11:33:08,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:08,478 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:08,478 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:08,478 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:08,480 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:08" (1/1) ... [2019-09-06 11:33:08,480 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 11:33:08,512 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:08,513 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:08,534 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:08,549 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:08,551 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:08,691 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 227 for LOIs [2019-09-06 11:35:22,729 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 77 for LOIs [2019-09-06 11:35:22,730 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:35:22,730 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:35:22,732 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 57533#(and (<= 1 ~main_clk_val_t~0) (<= 0 ~main_in1_req_up~0) (<= ~main_clk_val~0 1) (<= 0 ~main_pres_req_up~0) (<= ~main_pres_ev~0 2) (<= 0 ~D_print_i~0) (<= 0 ~main_in2_req_up~0) (<= ~main_dbl_ev~0 2) (<= ~main_clk_ev~0 2) (<= 0 ~main_clk_req_up~0) (<= 0 ~main_zero_req_up~0) (<= ~N_generate_i~0 0) (<= 0 ~S1_addsub_st~0) (<= ~S1_addsub_i~0 0) (<= 2 ~main_clk_pos_edge~0) (<= 0 ~D_print_st~0) (<= ~main_clk_req_up~0 0) (<= 0 ~S3_zero_st~0) (<= ~S2_presdbl_i~0 0) (<= ~S3_zero_i~0 0) (<= ~main_zero_ev~0 2) (<= ~main_clk_val_t~0 1) (<= 1 ~main_clk_val~0) (<= 0 ~D_z~0) (<= 2 ~main_clk_neg_edge~0) (<= ~main_clk_pos_edge~0 2) (<= 0 ~S3_zero_i~0) (<= 0 ~main_diff_req_up~0) (<= ~main_sum_ev~0 2) (<= 0 ~N_generate_i~0) (<= ~main_in2_ev~0 2) (<= ~main_in1_ev~0 2) (<= 2 ~main_clk_ev~0) (<= 0 ~N_generate_st~0) (<= ~D_z~0 0) (<= 0 ~main_sum_req_up~0) (<= 0 ~S2_presdbl_i~0) (<= 0 ~main_dbl_req_up~0) (<= 0 ~S2_presdbl_st~0) (<= ~D_print_i~0 0) (<= ~main_diff_ev~0 2) (<= ~main_clk_neg_edge~0 2) (<= 0 ~S1_addsub_i~0)) [2019-09-06 11:35:22,753 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:35:22,754 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:35:22,756 INFO L168 Benchmark]: Toolchain (without parser) took 135609.02 ms. Allocated memory was 131.6 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 87.4 MB in the beginning and 1.0 GB in the end (delta: -916.2 MB). Peak memory consumption was 764.6 MB. Max. memory is 7.1 GB. [2019-09-06 11:35:22,757 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:35:22,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.51 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 87.2 MB in the beginning and 172.5 MB in the end (delta: -85.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:35:22,759 INFO L168 Benchmark]: Boogie Preprocessor took 59.91 ms. Allocated memory is still 199.8 MB. Free memory was 172.5 MB in the beginning and 169.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:35:22,759 INFO L168 Benchmark]: RCFGBuilder took 780.17 ms. Allocated memory is still 199.8 MB. Free memory was 169.2 MB in the beginning and 119.6 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:35:22,760 INFO L168 Benchmark]: Sifa took 134275.72 ms. Allocated memory was 199.8 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 119.6 MB in the beginning and 1.0 GB in the end (delta: -884.0 MB). Peak memory consumption was 728.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:35:22,766 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 489.51 ms. Allocated memory was 131.6 MB in the beginning and 199.8 MB in the end (delta: 68.2 MB). Free memory was 87.2 MB in the beginning and 172.5 MB in the end (delta: -85.3 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.91 ms. Allocated memory is still 199.8 MB. Free memory was 172.5 MB in the beginning and 169.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 780.17 ms. Allocated memory is still 199.8 MB. Free memory was 169.2 MB in the beginning and 119.6 MB in the end (delta: 49.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 7.1 GB. * Sifa took 134275.72 ms. Allocated memory was 199.8 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 119.6 MB in the beginning and 1.0 GB in the end (delta: -884.0 MB). Peak memory consumption was 728.7 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]: 134220, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 36285, DAG_INTERPRETER_EARLY_EXITS: 1173, TOOLS_POST_APPLICATIONS: 32405, TOOLS_POST_TIME[ms]: 13787, TOOLS_POST_CALL_APPLICATIONS: 1554, TOOLS_POST_CALL_TIME[ms]: 1975, TOOLS_POST_RETURN_APPLICATIONS: 1552, TOOLS_POST_RETURN_TIME[ms]: 2273, TOOLS_QUANTIFIERELIM_TIME[ms]: 11279, FLUID_QUERY_TIME[ms]: 591, FLUID_QUERIES: 36419, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 20534, DOMAIN_JOIN_TIME[ms]: 24329, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 55, DOMAIN_WIDEN_TIME[ms]: 51, DOMAIN_ISSUBSETEQ_APPLICATIONS: 22652, DOMAIN_ISSUBSETEQ_TIME[ms]: 46947, DOMAIN_ISBOTTOM_APPLICATIONS: 18642, DOMAIN_ISBOTTOM_TIME[ms]: 42046, LOOP_SUMMARIZER_APPLICATIONS: 99, LOOP_SUMMARIZER_CACHE_MISSES: 79, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 131904, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 131903, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 134, CALL_SUMMARIZER_APPLICATIONS: 1552, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 133860, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 19, REGEX_TO_DAG_TIME[ms]: 12, DAG_COMPRESSION_TIME[ms]: 328, DAG_COMPRESSION_PROCESSED_NODES: 15587, DAG_COMPRESSION_RETAINED_NODES: 5183 - UnprovableResult [Line: 9]: 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 57533#(and (<= 1 ~main_clk_val_t~0) (<= 0 ~main_in1_req_up~0) (<= ~main_clk_val~0 1) (<= 0 ~main_pres_req_up~0) (<= ~main_pres_ev~0 2) (<= 0 ~D_print_i~0) (<= 0 ~main_in2_req_up~0) (<= ~main_dbl_ev~0 2) (<= ~main_clk_ev~0 2) (<= 0 ~main_clk_req_up~0) (<= 0 ~main_zero_req_up~0) (<= ~N_generate_i~0 0) (<= 0 ~S1_addsub_st~0) (<= ~S1_addsub_i~0 0) (<= 2 ~main_clk_pos_edge~0) (<= 0 ~D_print_st~0) (<= ~main_clk_req_up~0 0) (<= 0 ~S3_zero_st~0) (<= ~S2_presdbl_i~0 0) (<= ~S3_zero_i~0 0) (<= ~main_zero_ev~0 2) (<= ~main_clk_val_t~0 1) (<= 1 ~main_clk_val~0) (<= 0 ~D_z~0) (<= 2 ~main_clk_neg_edge~0) (<= ~main_clk_pos_edge~0 2) (<= 0 ~S3_zero_i~0) (<= 0 ~main_diff_req_up~0) (<= ~main_sum_ev~0 2) (<= 0 ~N_generate_i~0) (<= ~main_in2_ev~0 2) (<= ~main_in1_ev~0 2) (<= 2 ~main_clk_ev~0) (<= 0 ~N_generate_st~0) (<= ~D_z~0 0) (<= 0 ~main_sum_req_up~0) (<= 0 ~S2_presdbl_i~0) (<= 0 ~main_dbl_req_up~0) (<= 0 ~S2_presdbl_st~0) (<= ~D_print_i~0 0) (<= ~main_diff_ev~0 2) (<= ~main_clk_neg_edge~0 2) (<= 0 ~S1_addsub_i~0)). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...