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_2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-20 00:26:35,866 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 00:26:35,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 00:26:35,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 00:26:35,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 00:26:35,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 00:26:35,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 00:26:35,903 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 00:26:35,904 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 00:26:35,906 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 00:26:35,908 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 00:26:35,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 00:26:35,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 00:26:35,913 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 00:26:35,914 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 00:26:35,915 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 00:26:35,917 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 00:26:35,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 00:26:35,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 00:26:35,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 00:26:35,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 00:26:35,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 00:26:35,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 00:26:35,934 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 00:26:35,937 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 00:26:35,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 00:26:35,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 00:26:35,953 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 00:26:35,954 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 00:26:35,974 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 00:26:35,974 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 00:26:35,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 00:26:35,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 00:26:35,977 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 00:26:35,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 00:26:35,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 00:26:35,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 00:26:35,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 00:26:35,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 00:26:35,979 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 00:26:35,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 00:26:35,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 00:26:35,980 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 00:26:35,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 00:26:35,980 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 00:26:35,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 00:26:35,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 00:26:35,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 00:26:35,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 00:26:35,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 00:26:35,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 00:26:35,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 00:26:35,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 00:26:35,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 00:26:35,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 00:26:35,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 00:26:35,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 00:26:35,983 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 00:26:36,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 00:26:36,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 00:26:36,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 00:26:36,062 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 00:26:36,063 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 00:26:36,063 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 00:26:36,131 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56220ca6d/2509843066924b17849f8618e774a11c/FLAGe0ac025ad [2019-09-20 00:26:36,608 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 00:26:36,609 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_2.cil-2.c [2019-09-20 00:26:36,626 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56220ca6d/2509843066924b17849f8618e774a11c/FLAGe0ac025ad [2019-09-20 00:26:36,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/56220ca6d/2509843066924b17849f8618e774a11c [2019-09-20 00:26:36,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 00:26:36,987 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 00:26:36,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 00:26:36,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 00:26:36,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 00:26:36,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:26:36" (1/1) ... [2019-09-20 00:26:36,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8701c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:36, skipping insertion in model container [2019-09-20 00:26:36,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 12:26:36" (1/1) ... [2019-09-20 00:26:37,003 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 00:26:37,040 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 00:26:37,233 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 00:26:37,238 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 00:26:37,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 00:26:37,379 INFO L192 MainTranslator]: Completed translation [2019-09-20 00:26:37,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:37 WrapperNode [2019-09-20 00:26:37,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 00:26:37,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 00:26:37,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 00:26:37,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 00:26:37,392 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:37" (1/1) ... [2019-09-20 00:26:37,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:37" (1/1) ... [2019-09-20 00:26:37,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:37" (1/1) ... [2019-09-20 00:26:37,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:37" (1/1) ... [2019-09-20 00:26:37,407 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:37" (1/1) ... [2019-09-20 00:26:37,417 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:37" (1/1) ... [2019-09-20 00:26:37,419 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:37" (1/1) ... [2019-09-20 00:26:37,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 00:26:37,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 00:26:37,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 00:26:37,423 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 00:26:37,424 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 12:26:37" (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 00:26:37,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 00:26:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 00:26:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 00:26:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 00:26:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 00:26:37,475 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 00:26:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 00:26:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 00:26:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 00:26:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 00:26:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 00:26:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 00:26:37,476 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 00:26:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 00:26:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 00:26:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 00:26:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 00:26:37,477 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 00:26:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 00:26:37,478 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 00:26:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 00:26:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 00:26:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 00:26:37,478 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 00:26:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 00:26:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 00:26:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 00:26:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 00:26:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 00:26:37,479 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 00:26:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 00:26:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 00:26:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 00:26:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 00:26:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 00:26:37,480 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 00:26:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 00:26:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 00:26:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 00:26:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 00:26:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 00:26:37,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 00:26:38,209 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 00:26:38,210 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 00:26:38,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:26:38 BoogieIcfgContainer [2019-09-20 00:26:38,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 00:26:38,212 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 00:26:38,212 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 00:26:38,212 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 00:26:38,213 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 12:26:38" (1/1) ... [2019-09-20 00:26:38,214 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 00:26:38,237 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 00:26:38,237 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 00:26:38,246 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 00:26:38,256 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 00:26:38,258 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 00:26:38,433 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 70 for LOIs [2019-09-20 00:26:38,536 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 68 for LOIs [2019-09-20 00:26:39,107 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 00:26:40,320 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 27 [2019-09-20 00:26:41,682 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 67 [2019-09-20 00:26:42,197 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2019-09-20 00:26:42,372 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2019-09-20 00:26:42,379 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 66 for LOIs [2019-09-20 00:26:42,706 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-20 00:26:42,860 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 00:26:43,231 WARN L191 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 86 [2019-09-20 00:26:43,386 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 00:26:43,863 WARN L191 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 100 [2019-09-20 00:26:44,115 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2019-09-20 00:26:44,635 WARN L191 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 102 [2019-09-20 00:26:45,214 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 35 for LOIs [2019-09-20 00:26:45,492 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-20 00:26:45,659 WARN L191 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 44 [2019-09-20 00:26:46,027 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 00:26:46,502 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-09-20 00:26:46,666 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 1 for LOIs [2019-09-20 00:26:46,668 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 00:26:46,668 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 00:26:46,671 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 598#true [2019-09-20 00:26:46,682 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 00:26:46,682 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 00:26:46,684 INFO L168 Benchmark]: Toolchain (without parser) took 9696.02 ms. Allocated memory was 133.2 MB in the beginning and 366.0 MB in the end (delta: 232.8 MB). Free memory was 89.4 MB in the beginning and 282.2 MB in the end (delta: -192.8 MB). Peak memory consumption was 40.0 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:46,685 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 00:26:46,685 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.25 ms. Allocated memory was 133.2 MB in the beginning and 196.6 MB in the end (delta: 63.4 MB). Free memory was 89.2 MB in the beginning and 171.2 MB in the end (delta: -82.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:46,686 INFO L168 Benchmark]: Boogie Preprocessor took 41.95 ms. Allocated memory is still 196.6 MB. Free memory was 171.2 MB in the beginning and 169.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:46,687 INFO L168 Benchmark]: RCFGBuilder took 788.24 ms. Allocated memory is still 196.6 MB. Free memory was 169.3 MB in the beginning and 120.4 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:46,688 INFO L168 Benchmark]: Sifa took 8470.50 ms. Allocated memory was 196.6 MB in the beginning and 366.0 MB in the end (delta: 169.3 MB). Free memory was 120.4 MB in the beginning and 282.2 MB in the end (delta: -161.8 MB). Peak memory consumption was 7.5 MB. Max. memory is 7.1 GB. [2019-09-20 00:26:46,692 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 133.2 MB. Free memory was 107.5 MB in the beginning and 107.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 392.25 ms. Allocated memory was 133.2 MB in the beginning and 196.6 MB in the end (delta: 63.4 MB). Free memory was 89.2 MB in the beginning and 171.2 MB in the end (delta: -82.0 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.95 ms. Allocated memory is still 196.6 MB. Free memory was 171.2 MB in the beginning and 169.3 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 788.24 ms. Allocated memory is still 196.6 MB. Free memory was 169.3 MB in the beginning and 120.4 MB in the end (delta: 48.9 MB). Peak memory consumption was 48.9 MB. Max. memory is 7.1 GB. * Sifa took 8470.50 ms. Allocated memory was 196.6 MB in the beginning and 366.0 MB in the end (delta: 169.3 MB). Free memory was 120.4 MB in the beginning and 282.2 MB in the end (delta: -161.8 MB). Peak memory consumption was 7.5 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]: 8434, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 315, DAG_INTERPRETER_EARLY_EXITS: 8, TOOLS_POST_APPLICATIONS: 220, TOOLS_POST_TIME[ms]: 108, TOOLS_POST_CALL_APPLICATIONS: 71, TOOLS_POST_CALL_TIME[ms]: 239, TOOLS_POST_RETURN_APPLICATIONS: 64, TOOLS_POST_RETURN_TIME[ms]: 82, TOOLS_QUANTIFIERELIM_APPLICATIONS: 355, TOOLS_QUANTIFIERELIM_TIME[ms]: 291, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 16, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 327, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 107, DOMAIN_JOIN_TIME[ms]: 7308, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 378, DOMAIN_ISSUBSETEQ_APPLICATIONS: 12, DOMAIN_ISSUBSETEQ_TIME[ms]: 15, DOMAIN_ISBOTTOM_APPLICATIONS: 79, DOMAIN_ISBOTTOM_TIME[ms]: 151, LOOP_SUMMARIZER_APPLICATIONS: 9, LOOP_SUMMARIZER_CACHE_MISSES: 9, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 5596, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 5595, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 12, CALL_SUMMARIZER_APPLICATIONS: 64, CALL_SUMMARIZER_CACHE_MISSES: 17, CALL_SUMMARIZER_OVERALL_TIME[ms]: 3020, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 3019, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 6, PATH_EXPR_TIME[ms]: 6, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 44, DAG_COMPRESSION_PROCESSED_NODES: 487, DAG_COMPRESSION_RETAINED_NODES: 213 - UnprovableResult [Line: 10]: 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 598#true. Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...