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 SizeLimitFluid --sifa.intern.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 15:55:59,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 15:55:59,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 15:55:59,957 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 15:55:59,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 15:55:59,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 15:55:59,960 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 15:55:59,962 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 15:55:59,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 15:55:59,965 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 15:55:59,966 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 15:55:59,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 15:55:59,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 15:55:59,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 15:55:59,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 15:55:59,970 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 15:55:59,971 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 15:55:59,972 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 15:55:59,974 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 15:55:59,976 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 15:55:59,978 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 15:55:59,979 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 15:55:59,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 15:55:59,981 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 15:55:59,984 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 15:55:59,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 15:55:59,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 15:55:59,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 15:55:59,994 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 15:56:00,011 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 15:56:00,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 15:56:00,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 15:56:00,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 15:56:00,013 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 15:56:00,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 15:56:00,014 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 15:56:00,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 15:56:00,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 15:56:00,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 15:56:00,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 15:56:00,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 15:56:00,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 15:56:00,016 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 15:56:00,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 15:56:00,017 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 15:56:00,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 15:56:00,018 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 15:56:00,018 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 15:56:00,018 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 15:56:00,018 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 15:56:00,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 15:56:00,019 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 15:56:00,019 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 15:56:00,019 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 15:56:00,019 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 15:56:00,019 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 15:56:00,020 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 15:56:00,020 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 -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Intern Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-09-20 15:56:00,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 15:56:00,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 15:56:00,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 15:56:00,071 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 15:56:00,071 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 15:56:00,072 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 15:56:00,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577fb3da5/dd816830d5ba4c32b06ebb0c1e94a748/FLAG73cf0d481 [2019-09-20 15:56:00,665 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 15:56:00,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_1.cil-2.c [2019-09-20 15:56:00,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577fb3da5/dd816830d5ba4c32b06ebb0c1e94a748/FLAG73cf0d481 [2019-09-20 15:56:00,986 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/577fb3da5/dd816830d5ba4c32b06ebb0c1e94a748 [2019-09-20 15:56:00,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 15:56:00,999 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 15:56:01,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:01,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 15:56:01,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 15:56:01,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:01,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e91a4b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01, skipping insertion in model container [2019-09-20 15:56:01,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 03:56:00" (1/1) ... [2019-09-20 15:56:01,018 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 15:56:01,063 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 15:56:01,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:01,333 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 15:56:01,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 15:56:01,479 INFO L192 MainTranslator]: Completed translation [2019-09-20 15:56:01,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01 WrapperNode [2019-09-20 15:56:01,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 15:56:01,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 15:56:01,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 15:56:01,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 15:56:01,495 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01" (1/1) ... [2019-09-20 15:56:01,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01" (1/1) ... [2019-09-20 15:56:01,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01" (1/1) ... [2019-09-20 15:56:01,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01" (1/1) ... [2019-09-20 15:56:01,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01" (1/1) ... [2019-09-20 15:56:01,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01" (1/1) ... [2019-09-20 15:56:01,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01" (1/1) ... [2019-09-20 15:56:01,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 15:56:01,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 15:56:01,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 15:56:01,543 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 15:56:01,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 03:56:01" (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 15:56:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 15:56:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 15:56:01,604 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 15:56:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 15:56:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 15:56:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 15:56:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 15:56:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 15:56:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 15:56:01,605 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 15:56:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 15:56:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 15:56:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 15:56:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 15:56:01,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 15:56:01,606 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 15:56:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 15:56:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 15:56:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 15:56:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 15:56:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 15:56:01,607 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 15:56:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 15:56:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 15:56:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 15:56:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 15:56:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 15:56:01,608 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 15:56:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 15:56:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 15:56:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 15:56:01,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 15:56:02,220 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 15:56:02,220 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 15:56:02,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:02 BoogieIcfgContainer [2019-09-20 15:56:02,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 15:56:02,222 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-20 15:56:02,222 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-20 15:56:02,223 INFO L275 PluginConnector]: Sifa initialized [2019-09-20 15:56:02,224 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 03:56:02" (1/1) ... [2019-09-20 15:56:02,224 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=ExplicitValueDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=TopInputCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=SIMPLIFY_QUICK ♦ Intern Fluid=SizeLimitFluid [2019-09-20 15:56:02,249 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-20 15:56:02,249 INFO L169 IcfgInterpreter]: Building call graph [2019-09-20 15:56:02,258 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-20 15:56:02,267 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-20 15:56:02,269 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-20 15:56:02,405 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 62 for LOIs [2019-09-20 15:56:02,454 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 60 for LOIs [2019-09-20 15:56:04,413 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 60 for LOIs [2019-09-20 15:56:04,902 INFO L199 IcfgInterpreter]: Interpreting procedure do_read_c with input of size 27 for LOIs [2019-09-20 15:56:05,035 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 40 for LOIs [2019-09-20 15:56:05,040 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-20 15:56:05,041 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-20 15:56:05,057 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 1478#(or (and (= ~q_read_ev~0 2) (or (and (and (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (= 0 ~p_dw_st~0)) (and (and (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (not (= 1 ~p_dw_pc~0)))) (or (not (= ~c_dr_pc~0 1)) (= ~c_dr_st~0 0) (not (= ~q_write_ev~0 1))) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_last_read~0 ~p_last_write~0)) (and (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)) (= ~q_read_ev~0 2) (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 15:56:05,087 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-20 15:56:05,087 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-20 15:56:05,093 INFO L168 Benchmark]: Toolchain (without parser) took 4090.10 ms. Allocated memory was 129.5 MB in the beginning and 275.8 MB in the end (delta: 146.3 MB). Free memory was 85.5 MB in the beginning and 83.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 148.4 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:05,095 INFO L168 Benchmark]: CDTParser took 3.28 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 15:56:05,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 479.96 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 85.3 MB in the beginning and 174.8 MB in the end (delta: -89.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:05,101 INFO L168 Benchmark]: Boogie Preprocessor took 56.41 ms. Allocated memory is still 197.7 MB. Free memory was 174.8 MB in the beginning and 172.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:05,102 INFO L168 Benchmark]: RCFGBuilder took 679.66 ms. Allocated memory is still 197.7 MB. Free memory was 172.3 MB in the beginning and 135.1 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:05,104 INFO L168 Benchmark]: Sifa took 2865.12 ms. Allocated memory was 197.7 MB in the beginning and 275.8 MB in the end (delta: 78.1 MB). Free memory was 135.1 MB in the beginning and 83.5 MB in the end (delta: 51.6 MB). Peak memory consumption was 129.8 MB. Max. memory is 7.1 GB. [2019-09-20 15:56:05,111 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.28 ms. Allocated memory is still 129.5 MB. Free memory was 103.6 MB in the beginning and 103.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 479.96 ms. Allocated memory was 129.5 MB in the beginning and 197.7 MB in the end (delta: 68.2 MB). Free memory was 85.3 MB in the beginning and 174.8 MB in the end (delta: -89.4 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.41 ms. Allocated memory is still 197.7 MB. Free memory was 174.8 MB in the beginning and 172.3 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 679.66 ms. Allocated memory is still 197.7 MB. Free memory was 172.3 MB in the beginning and 135.1 MB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 7.1 GB. * Sifa took 2865.12 ms. Allocated memory was 197.7 MB in the beginning and 275.8 MB in the end (delta: 78.1 MB). Free memory was 135.1 MB in the beginning and 83.5 MB in the end (delta: 51.6 MB). Peak memory consumption was 129.8 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]: 2808, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 949, DAG_INTERPRETER_EARLY_EXITS: 42, TOOLS_POST_APPLICATIONS: 687, TOOLS_POST_TIME[ms]: 309, TOOLS_POST_CALL_APPLICATIONS: 162, TOOLS_POST_CALL_TIME[ms]: 357, TOOLS_POST_RETURN_APPLICATIONS: 156, TOOLS_POST_RETURN_TIME[ms]: 213, TOOLS_QUANTIFIERELIM_APPLICATIONS: 982, TOOLS_QUANTIFIERELIM_TIME[ms]: 633, TOOLS_QUANTIFIERELIM_MAX_TIME[ms]: 15, FLUID_QUERY_TIME[ms]: 27, FLUID_QUERIES: 1038, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 199, DOMAIN_JOIN_TIME[ms]: 1355, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 5, DOMAIN_WIDEN_TIME[ms]: 8, DOMAIN_ISSUBSETEQ_APPLICATIONS: 89, DOMAIN_ISSUBSETEQ_TIME[ms]: 59, DOMAIN_ISBOTTOM_APPLICATIONS: 163, DOMAIN_ISBOTTOM_TIME[ms]: 269, LOOP_SUMMARIZER_APPLICATIONS: 84, LOOP_SUMMARIZER_CACHE_MISSES: 84, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 2044, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 2043, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 89, CALL_SUMMARIZER_APPLICATIONS: 156, CALL_SUMMARIZER_CACHE_MISSES: 14, CALL_SUMMARIZER_OVERALL_TIME[ms]: 1946, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 1945, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 5, PATH_EXPR_TIME[ms]: 9, REGEX_TO_DAG_TIME[ms]: 4, DAG_COMPRESSION_TIME[ms]: 53, 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 1478#(or (and (= ~q_read_ev~0 2) (or (and (and (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (= 0 ~p_dw_st~0)) (and (and (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0)) (not (= 1 ~p_dw_pc~0)))) (or (not (= ~c_dr_pc~0 1)) (= ~c_dr_st~0 0) (not (= ~q_write_ev~0 1))) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_last_read~0 ~p_last_write~0)) (and (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)) (= ~q_read_ev~0 2) (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...