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 ExplicitValueDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid NeverFluid --sifa.intern.fluid NeverFluid --sifa.simplification.technique SIMPLIFY_DDA -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-20 00:26:06,984 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 00:26:06,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 00:26:07,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 00:26:07,001 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 00:26:07,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 00:26:07,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 00:26:07,014 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 00:26:07,018 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 00:26:07,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 00:26:07,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 00:26:07,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 00:26:07,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 00:26:07,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 00:26:07,028 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 00:26:07,030 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 00:26:07,031 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 00:26:07,032 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 00:26:07,034 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 00:26:07,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 00:26:07,043 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 00:26:07,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 00:26:07,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 00:26:07,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 00:26:07,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 00:26:07,055 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 00:26:07,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 00:26:07,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 00:26:07,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 00:26:07,060 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 00:26:07,060 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 00:26:07,061 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 00:26:07,061 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 00:26:07,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 00:26:07,062 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 00:26:07,063 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 00:26:07,064 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 [2019-09-20 00:26:07,095 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 00:26:07,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 00:26:07,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 00:26:07,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 00:26:07,098 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 00:26:07,098 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 00:26:07,099 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 00:26:07,099 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 00:26:07,099 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 00:26:07,100 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 00:26:07,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 00:26:07,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 00:26:07,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 00:26:07,101 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 00:26:07,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 00:26:07,102 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 00:26:07,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 00:26:07,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 00:26:07,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 00:26:07,102 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 00:26:07,103 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 00:26:07,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 00:26:07,103 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 00:26:07,103 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 00:26:07,103 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 00:26:07,104 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 00:26:07,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 00:26:07,104 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 00:26:07,104 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> ExplicitValueDomain 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 -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> NeverFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_DDA [2019-09-20 00:26:07,135 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 00:26:07,148 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 00:26:07,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 00:26:07,153 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 00:26:07,153 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 00:26:07,154 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-20 00:26:07,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c0f6dc2/20220323817446cd9525818a7a3d7f21/FLAG7f3976a0f [2019-09-20 00:26:07,678 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 00:26:07,678 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-1.c [2019-09-20 00:26:07,688 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c0f6dc2/20220323817446cd9525818a7a3d7f21/FLAG7f3976a0f [2019-09-20 00:26:08,051 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47c0f6dc2/20220323817446cd9525818a7a3d7f21 [2019-09-20 00:26:08,064 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 00:26:08,065 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 00:26:08,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 00:26:08,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 00:26:08,074 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 00:26:08,075 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:26:08" (1/1) ... [2019-09-20 00:26:08,078 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b3d72b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08, skipping insertion in model container [2019-09-20 00:26:08,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:26:08" (1/1) ... [2019-09-20 00:26:08,085 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 00:26:08,124 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 00:26:08,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 00:26:08,429 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 00:26:08,637 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 00:26:08,663 INFO L192 MainTranslator]: Completed translation [2019-09-20 00:26:08,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08 WrapperNode [2019-09-20 00:26:08,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 00:26:08,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 00:26:08,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 00:26:08,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 00:26:08,679 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08" (1/1) ... [2019-09-20 00:26:08,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08" (1/1) ... [2019-09-20 00:26:08,688 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08" (1/1) ... [2019-09-20 00:26:08,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08" (1/1) ... [2019-09-20 00:26:08,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08" (1/1) ... [2019-09-20 00:26:08,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08" (1/1) ... [2019-09-20 00:26:08,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08" (1/1) ... [2019-09-20 00:26:08,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 00:26:08,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 00:26:08,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 00:26:08,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 00:26:08,740 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:08" (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 [2019-09-20 00:26:08,801 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 00:26:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 00:26:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 00:26:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 00:26:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 00:26:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 00:26:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 00:26:08,802 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 00:26:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 00:26:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 00:26:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 00:26:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 00:26:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 00:26:08,803 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 00:26:08,804 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 00:26:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 00:26:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 00:26:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 00:26:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 00:26:08,804 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 00:26:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 00:26:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 00:26:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 00:26:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 00:26:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 00:26:08,805 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 00:26:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 00:26:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 00:26:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 00:26:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 00:26:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 00:26:08,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 00:26:09,398 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 00:26:09,399 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 00:26:09,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:26:09 BoogieIcfgContainer [2019-09-20 00:26:09,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 00:26:09,402 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 00:26:09,402 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 00:26:09,403 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 00:26:09,404 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:26:09" (1/1) ... [2019-09-20 00:26:09,404 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=NeverFluid ♦ 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_DDA ♦ Intern Fluid=NeverFluid [2019-09-20 00:26:09,439 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 00:26:09,439 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 00:26:09,458 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 00:26:09,469 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 00:26:09,471 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 00:26:09,651 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 00:26:09,774 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-20 00:26:10,547 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 00:26:12,110 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 35 [2019-09-20 00:26:14,512 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 36 [2019-09-20 00:26:14,950 WARN L191 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2019-09-20 00:26:15,048 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-09-20 00:26:15,555 WARN L191 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 00:26:15,725 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 00:26:16,120 WARN L191 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 00:26:16,287 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 00:26:16,652 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 00:26:17,074 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 00:26:17,176 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2019-09-20 00:26:17,361 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 00:26:17,777 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-09-20 00:26:17,980 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 00:26:18,319 WARN L191 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-20 00:26:18,489 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 00:26:18,878 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2019-09-20 00:26:19,067 WARN L191 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 00:26:19,591 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 00:26:19,825 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 00:26:20,302 WARN L191 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 00:26:20,542 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 00:26:21,128 WARN L191 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 00:26:21,299 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 00:26:21,908 WARN L191 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 00:26:22,104 WARN L191 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 00:26:22,267 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 00:26:23,090 WARN L191 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2019-09-20 00:26:23,318 WARN L191 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 00:26:23,704 WARN L191 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-20 00:26:23,883 WARN L191 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 00:26:24,417 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 00:26:24,666 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 00:26:25,077 WARN L191 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 00:26:25,268 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 00:26:25,713 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 82 [2019-09-20 00:26:25,909 WARN L191 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2019-09-20 00:26:26,346 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 00:26:26,524 WARN L191 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 00:26:26,939 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 73 [2019-09-20 00:26:27,112 WARN L191 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 00:26:27,418 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 00:26:27,806 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 66 [2019-09-20 00:26:28,019 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 00:26:28,644 WARN L191 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2019-09-20 00:26:28,821 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2019-09-20 00:26:29,163 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 70 [2019-09-20 00:26:29,334 WARN L191 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 00:26:29,722 WARN L191 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 70 [2019-09-20 00:26:29,899 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 00:26:30,492 WARN L191 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 00:26:30,705 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 00:26:31,169 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 77 [2019-09-20 00:26:31,404 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 00:26:31,953 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 00:26:32,112 WARN L191 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 00:26:32,518 WARN L191 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 70 [2019-09-20 00:26:32,683 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 00:26:32,817 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2019-09-20 00:26:33,365 WARN L191 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 76 [2019-09-20 00:26:33,592 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2019-09-20 00:26:33,953 WARN L191 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 71 [2019-09-20 00:26:34,131 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 71 [2019-09-20 00:26:34,380 WARN L191 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 00:26:34,614 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-09-20 00:26:35,391 WARN L191 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 82 [2019-09-20 00:26:35,717 WARN L191 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 78 [2019-09-20 00:26:35,820 WARN L191 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 00:26:35,826 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 46 for LOIs [2019-09-20 00:26:35,989 WARN L191 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2019-09-20 00:26:36,207 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 50 [2019-09-20 00:26:36,432 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 60 [2019-09-20 00:26:36,850 WARN L191 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 51 [2019-09-20 00:26:37,175 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 62 [2019-09-20 00:26:37,279 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2019-09-20 00:26:37,504 WARN L191 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 60 [2019-09-20 00:26:37,603 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 3 for LOIs [2019-09-20 00:26:37,607 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 00:26:37,608 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 00:26:37,610 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1386#(= 0 ~p_dw_st~0) [2019-09-20 00:26:37,624 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 00:26:37,624 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 00:26:37,625 INFO L168 Benchmark]: Toolchain (without parser) took 29560.35 ms. Allocated memory was 132.1 MB in the beginning and 448.3 MB in the end (delta: 316.1 MB). Free memory was 86.2 MB in the beginning and 375.4 MB in the end (delta: -289.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:37,626 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-20 00:26:37,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.81 ms. Allocated memory was 132.1 MB in the beginning and 202.4 MB in the end (delta: 70.3 MB). Free memory was 86.0 MB in the beginning and 177.5 MB in the end (delta: -91.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:37,628 INFO L168 Benchmark]: Boogie Preprocessor took 71.49 ms. Allocated memory is still 202.4 MB. Free memory was 177.5 MB in the beginning and 175.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:37,629 INFO L168 Benchmark]: RCFGBuilder took 664.82 ms. Allocated memory is still 202.4 MB. Free memory was 175.2 MB in the beginning and 139.0 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:37,630 INFO L168 Benchmark]: Sifa took 28221.85 ms. Allocated memory was 202.4 MB in the beginning and 448.3 MB in the end (delta: 245.9 MB). Free memory was 138.4 MB in the beginning and 375.4 MB in the end (delta: -237.0 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:37,634 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 594.81 ms. Allocated memory was 132.1 MB in the beginning and 202.4 MB in the end (delta: 70.3 MB). Free memory was 86.0 MB in the beginning and 177.5 MB in the end (delta: -91.5 MB). Peak memory consumption was 26.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.49 ms. Allocated memory is still 202.4 MB. Free memory was 177.5 MB in the beginning and 175.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 664.82 ms. Allocated memory is still 202.4 MB. Free memory was 175.2 MB in the beginning and 139.0 MB in the end (delta: 36.2 MB). Peak memory consumption was 36.2 MB. Max. memory is 7.1 GB. * Sifa took 28221.85 ms. Allocated memory was 202.4 MB in the beginning and 448.3 MB in the end (delta: 245.9 MB). Free memory was 138.4 MB in the beginning and 375.4 MB in the end (delta: -237.0 MB). Peak memory consumption was 8.9 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]: 28171, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 925, DAG_INTERPRETER_EARLY_EXITS: 41, TOOLS_POST_APPLICATIONS: 643, TOOLS_POST_TIME[ms]: 233, TOOLS_POST_CALL_APPLICATIONS: 188, TOOLS_POST_CALL_TIME[ms]: 334, TOOLS_POST_RETURN_APPLICATIONS: 181, TOOLS_POST_RETURN_TIME[ms]: 135, TOOLS_QUANTIFIERELIM_APPLICATIONS: 938, TOOLS_QUANTIFIERELIM_TIME[ms]: 497, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 20, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 1006, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 181, DOMAIN_JOIN_TIME[ms]: 25734, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 2, DOMAIN_WIDEN_TIME[ms]: 1139, DOMAIN_ISSUBSETEQ_APPLICATIONS: 81, DOMAIN_ISSUBSETEQ_TIME[ms]: 11, DOMAIN_ISBOTTOM_APPLICATIONS: 153, DOMAIN_ISBOTTOM_TIME[ms]: 359, LOOP_SUMMARIZER_APPLICATIONS: 80, LOOP_SUMMARIZER_CACHE_MISSES: 79, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 22155, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 22153, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 81, CALL_SUMMARIZER_APPLICATIONS: 181, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 5188, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5187, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 5, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 77, DAG_COMPRESSION_PROCESSED_NODES: 853, DAG_COMPRESSION_RETAINED_NODES: 352 - 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 1386#(= 0 ~p_dw_st~0). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...