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-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 23:36:33,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 23:36:33,886 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 23:36:33,903 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 23:36:33,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 23:36:33,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 23:36:33,908 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 23:36:33,917 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 23:36:33,918 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 23:36:33,919 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 23:36:33,920 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 23:36:33,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 23:36:33,922 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 23:36:33,923 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 23:36:33,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 23:36:33,925 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 23:36:33,925 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 23:36:33,926 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 23:36:33,928 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 23:36:33,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 23:36:33,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 23:36:33,931 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 23:36:33,932 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 23:36:33,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 23:36:33,935 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 23:36:33,935 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 23:36:33,936 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 23:36:33,936 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 23:36:33,937 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 23:36:33,938 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2019-09-20 23:36:33,942 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 23:36:33,943 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 23:36:33,943 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 23:36:33,944 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 23:36:33,958 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 23:36:33,959 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 23:36:33,960 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 23:36:33,960 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 23:36:33,960 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 23:36:33,961 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 23:36:33,961 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 23:36:33,961 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 23:36:33,961 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 23:36:33,961 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 23:36:33,961 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 23:36:33,962 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 23:36:33,962 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 23:36:33,962 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 23:36:33,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 23:36:33,962 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 23:36:33,963 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 23:36:33,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 23:36:33,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 23:36:33,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 23:36:33,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 23:36:33,964 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 23:36:33,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 23:36:33,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 23:36:33,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 23:36:33,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 23:36:33,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 23:36:33,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 23:36:33,965 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 23:36:33,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 23:36:34,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 23:36:34,011 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 23:36:34,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 23:36:34,013 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 23:36:34,014 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 23:36:34,074 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b7a2998/2ccb49edbe154e3da6ea9e2183025414/FLAG2e005da72 [2019-09-20 23:36:34,484 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 23:36:34,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 23:36:34,493 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b7a2998/2ccb49edbe154e3da6ea9e2183025414/FLAG2e005da72 [2019-09-20 23:36:34,902 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93b7a2998/2ccb49edbe154e3da6ea9e2183025414 [2019-09-20 23:36:34,912 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 23:36:34,914 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 23:36:34,915 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:34,915 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 23:36:34,919 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 23:36:34,920 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:34" (1/1) ... [2019-09-20 23:36:34,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@148b2de3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:34, skipping insertion in model container [2019-09-20 23:36:34,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 11:36:34" (1/1) ... [2019-09-20 23:36:34,931 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 23:36:34,973 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 23:36:35,238 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:35,244 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 23:36:35,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 23:36:35,386 INFO L192 MainTranslator]: Completed translation [2019-09-20 23:36:35,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:35 WrapperNode [2019-09-20 23:36:35,386 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 23:36:35,387 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 23:36:35,387 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 23:36:35,387 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 23:36:35,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:35" (1/1) ... [2019-09-20 23:36:35,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:35" (1/1) ... [2019-09-20 23:36:35,404 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:35" (1/1) ... [2019-09-20 23:36:35,405 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:35" (1/1) ... [2019-09-20 23:36:35,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:35" (1/1) ... [2019-09-20 23:36:35,420 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:35" (1/1) ... [2019-09-20 23:36:35,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:35" (1/1) ... [2019-09-20 23:36:35,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 23:36:35,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 23:36:35,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 23:36:35,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 23:36:35,434 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 11:36:35" (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 23:36:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 23:36:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 23:36:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 23:36:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 23:36:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 23:36:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 23:36:35,505 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 23:36:35,506 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 23:36:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 23:36:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 23:36:35,507 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 23:36:35,508 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 23:36:35,508 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 23:36:35,509 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 23:36:35,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 23:36:35,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 23:36:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 23:36:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 23:36:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 23:36:35,512 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 23:36:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 23:36:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 23:36:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 23:36:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 23:36:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 23:36:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 23:36:35,513 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 23:36:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 23:36:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 23:36:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 23:36:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 23:36:35,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 23:36:36,239 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 23:36:36,240 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 23:36:36,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:36:36 BoogieIcfgContainer [2019-09-20 23:36:36,243 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 23:36:36,243 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 23:36:36,243 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 23:36:36,244 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 23:36:36,247 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 11:36:36" (1/1) ... [2019-09-20 23:36:36,248 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 23:36:36,283 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 23:36:36,283 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 23:36:36,298 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 23:36:36,311 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 23:36:36,313 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 23:36:36,561 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 23:36:36,646 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-20 23:36:36,985 WARN L191 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 17 [2019-09-20 23:36:37,528 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2019-09-20 23:36:37,999 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2019-09-20 23:36:38,284 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2019-09-20 23:36:38,427 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2019-09-20 23:36:39,736 WARN L191 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-20 23:36:40,071 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-20 23:36:40,344 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-20 23:36:40,612 WARN L191 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2019-09-20 23:36:40,949 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 23:36:41,254 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 23:36:41,431 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-09-20 23:36:41,595 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2019-09-20 23:36:41,793 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-20 23:36:42,006 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 23:36:42,169 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-09-20 23:36:42,663 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-20 23:36:42,965 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2019-09-20 23:36:43,236 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-20 23:36:43,486 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 44 [2019-09-20 23:36:43,764 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 23:36:43,925 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-09-20 23:36:44,133 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 23:36:44,290 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-09-20 23:36:44,452 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2019-09-20 23:36:44,657 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-20 23:36:44,880 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2019-09-20 23:36:45,477 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2019-09-20 23:36:45,784 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 40 [2019-09-20 23:36:46,081 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-20 23:36:46,370 WARN L191 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2019-09-20 23:36:46,682 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 23:36:46,847 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-09-20 23:36:47,011 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 23:36:47,164 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-09-20 23:36:47,320 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2019-09-20 23:36:47,517 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-20 23:36:48,406 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2019-09-20 23:36:48,685 WARN L191 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2019-09-20 23:36:48,944 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 40 [2019-09-20 23:36:49,162 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 43 [2019-09-20 23:36:49,444 WARN L191 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 23:36:49,608 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-09-20 23:36:49,772 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 34 [2019-09-20 23:36:49,925 WARN L191 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 26 [2019-09-20 23:36:50,078 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 40 [2019-09-20 23:36:50,274 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2019-09-20 23:36:50,727 WARN L191 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 62 [2019-09-20 23:36:50,799 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-09-20 23:36:51,118 WARN L191 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 64 [2019-09-20 23:36:51,691 WARN L191 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 81 [2019-09-20 23:36:51,893 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 23:36:52,349 WARN L191 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 81 [2019-09-20 23:36:52,555 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2019-09-20 23:36:53,228 WARN L191 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2019-09-20 23:36:53,554 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 23:36:54,250 WARN L191 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 92 [2019-09-20 23:36:54,590 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2019-09-20 23:36:55,338 WARN L191 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-20 23:36:55,672 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 23:36:56,026 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2019-09-20 23:36:56,169 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:57,038 WARN L191 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-20 23:36:57,454 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 23:36:58,190 WARN L191 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2019-09-20 23:36:58,539 WARN L191 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 23:36:58,915 WARN L191 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2019-09-20 23:36:59,053 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:36:59,831 WARN L191 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 98 [2019-09-20 23:37:00,156 WARN L191 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2019-09-20 23:37:00,516 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2019-09-20 23:37:00,658 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:37:01,512 WARN L191 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 107 [2019-09-20 23:37:01,932 WARN L191 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 23:37:03,031 WARN L191 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 122 DAG size of output: 107 [2019-09-20 23:37:03,380 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2019-09-20 23:37:03,799 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 70 [2019-09-20 23:37:03,971 WARN L191 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2019-09-20 23:37:05,060 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 114 DAG size of output: 97 [2019-09-20 23:37:05,403 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 23:37:06,113 WARN L191 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 97 [2019-09-20 23:37:06,462 WARN L191 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2019-09-20 23:37:06,899 WARN L191 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2019-09-20 23:37:07,113 WARN L191 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2019-09-20 23:37:07,683 WARN L191 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 85 [2019-09-20 23:37:08,178 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2019-09-20 23:37:08,440 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2019-09-20 23:37:08,715 WARN L191 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 59 [2019-09-20 23:37:08,966 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 54 [2019-09-20 23:37:09,199 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2019-09-20 23:37:09,496 WARN L191 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 69 [2019-09-20 23:37:09,520 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 27 for LOIs [2019-09-20 23:37:09,629 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-09-20 23:37:09,751 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-09-20 23:37:09,874 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-09-20 23:37:10,014 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2019-09-20 23:37:10,192 WARN L191 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 23:37:10,398 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2019-09-20 23:37:10,610 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2019-09-20 23:37:10,818 WARN L191 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2019-09-20 23:37:11,048 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-09-20 23:37:11,252 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2019-09-20 23:37:11,300 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 40 for LOIs [2019-09-20 23:37:11,396 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 23:37:11,397 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 23:37:11,400 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1481#(or (and (= ~q_read_ev~0 2) (or (not (= ~c_dr_pc~0 1)) (= ~c_dr_st~0 0) (not (= ~q_write_ev~0 1))) (or (and (= 0 ~p_dw_st~0) (and (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0))) (and (and (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (not (= 1 ~p_dw_pc~0)))) (not (= ~c_num_read~0 ~p_num_write~0))) (and (= ~q_read_ev~0 2) (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (or (not (= ~c_dr_pc~0 1)) (= ~c_dr_st~0 0) (not (= ~q_write_ev~0 1))) (not (= ~c_last_read~0 ~p_last_write~0)))) [2019-09-20 23:37:11,415 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 23:37:11,415 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 23:37:11,416 INFO L168 Benchmark]: Toolchain (without parser) took 36503.15 ms. Allocated memory was 135.8 MB in the beginning and 455.1 MB in the end (delta: 319.3 MB). Free memory was 91.8 MB in the beginning and 237.6 MB in the end (delta: -145.8 MB). Peak memory consumption was 173.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:11,417 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 23:37:11,418 INFO L168 Benchmark]: CACSL2BoogieTranslator took 471.57 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 91.6 MB in the beginning and 177.2 MB in the end (delta: -85.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:11,419 INFO L168 Benchmark]: Boogie Preprocessor took 44.18 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 175.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:11,420 INFO L168 Benchmark]: RCFGBuilder took 810.96 ms. Allocated memory is still 201.3 MB. Free memory was 175.4 MB in the beginning and 137.9 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:11,421 INFO L168 Benchmark]: Sifa took 35171.91 ms. Allocated memory was 201.3 MB in the beginning and 455.1 MB in the end (delta: 253.8 MB). Free memory was 137.9 MB in the beginning and 237.6 MB in the end (delta: -99.7 MB). Peak memory consumption was 154.0 MB. Max. memory is 7.1 GB. [2019-09-20 23:37:11,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 135.8 MB. Free memory was 110.1 MB in the beginning and 109.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 471.57 ms. Allocated memory was 135.8 MB in the beginning and 201.3 MB in the end (delta: 65.5 MB). Free memory was 91.6 MB in the beginning and 177.2 MB in the end (delta: -85.6 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 44.18 ms. Allocated memory is still 201.3 MB. Free memory was 177.2 MB in the beginning and 175.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 810.96 ms. Allocated memory is still 201.3 MB. Free memory was 175.4 MB in the beginning and 137.9 MB in the end (delta: 37.4 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * Sifa took 35171.91 ms. Allocated memory was 201.3 MB in the beginning and 455.1 MB in the end (delta: 253.8 MB). Free memory was 137.9 MB in the beginning and 237.6 MB in the end (delta: -99.7 MB). Peak memory consumption was 154.0 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]: 35117, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 965, DAG_INTERPRETER_EARLY_EXITS: 42, TOOLS_POST_APPLICATIONS: 701, TOOLS_POST_TIME[ms]: 259, TOOLS_POST_CALL_APPLICATIONS: 164, TOOLS_POST_CALL_TIME[ms]: 303, TOOLS_POST_RETURN_APPLICATIONS: 158, TOOLS_POST_RETURN_TIME[ms]: 150, TOOLS_QUANTIFIERELIM_APPLICATIONS: 1000, TOOLS_QUANTIFIERELIM_TIME[ms]: 499, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 21, FLUID_QUERY_TIME[ms]: 1, FLUID_QUERIES: 1056, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 203, DOMAIN_JOIN_TIME[ms]: 30441, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 7, DOMAIN_WIDEN_TIME[ms]: 3297, DOMAIN_ISSUBSETEQ_APPLICATIONS: 91, DOMAIN_ISSUBSETEQ_TIME[ms]: 39, DOMAIN_ISBOTTOM_APPLICATIONS: 165, DOMAIN_ISBOTTOM_TIME[ms]: 398, LOOP_SUMMARIZER_APPLICATIONS: 84, LOOP_SUMMARIZER_CACHE_MISSES: 84, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 29824, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 29823, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 91, CALL_SUMMARIZER_APPLICATIONS: 158, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 14082, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 14082, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 7, PATH_EXPR_TIME[ms]: 11, REGEX_TO_DAG_TIME[ms]: 5, DAG_COMPRESSION_TIME[ms]: 58, DAG_COMPRESSION_PROCESSED_NODES: 709, DAG_COMPRESSION_RETAINED_NODES: 320 - 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 1481#(or (and (= ~q_read_ev~0 2) (or (not (= ~c_dr_pc~0 1)) (= ~c_dr_st~0 0) (not (= ~q_write_ev~0 1))) (or (and (= 0 ~p_dw_st~0) (and (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0))) (and (and (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (not (= 1 ~p_dw_pc~0)))) (not (= ~c_num_read~0 ~p_num_write~0))) (and (= ~q_read_ev~0 2) (and (or (= 0 ~p_dw_st~0) (not (= 1 ~p_dw_pc~0))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (or (not (= ~c_dr_pc~0 1)) (= ~c_dr_st~0 0) (not (= ~q_write_ev~0 1))) (not (= ~c_last_read~0 ~p_last_write~0)))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...