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 -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 04:02:50,720 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 04:02:50,722 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 04:02:50,735 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 04:02:50,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 04:02:50,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 04:02:50,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 04:02:50,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 04:02:50,755 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 04:02:50,755 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 04:02:50,758 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 04:02:50,759 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 04:02:50,760 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 04:02:50,764 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 04:02:50,767 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 04:02:50,769 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 04:02:50,770 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 04:02:50,774 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 04:02:50,776 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 04:02:50,781 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 04:02:50,782 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 04:02:50,784 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 04:02:50,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 04:02:50,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 04:02:50,789 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-10 04:02:50,789 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-10 04:02:50,790 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-10 04:02:50,791 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-10 04:02:50,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-10 04:02:50,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-10 04:02:50,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-10 04:02:50,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-10 04:02:50,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-10 04:02:50,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-10 04:02:50,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-10 04:02:50,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-10 04:02:50,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-10 04:02:50,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-10 04:02:50,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 04:02:50,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 04:02:50,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 04:02:50,801 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 [2019-08-10 04:02:50,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 04:02:50,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 04:02:50,820 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 04:02:50,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 04:02:50,821 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 04:02:50,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 04:02:50,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 04:02:50,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 04:02:50,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 04:02:50,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 04:02:50,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 04:02:50,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 04:02:50,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 04:02:50,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 04:02:50,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 04:02:50,824 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 04:02:50,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 04:02:50,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 04:02:50,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 04:02:50,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 04:02:50,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 04:02:50,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 04:02:50,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 04:02:50,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 04:02:50,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 04:02:50,828 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 04:02:50,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 04:02:50,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 04:02:50,828 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 04:02:50,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 04:02:50,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 04:02:50,876 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 04:02:50,878 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 04:02:50,878 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 04:02:50,879 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-08-10 04:02:50,954 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23268055e/6c33069df94c4c2fa9ebafb82fef5d53/FLAGc6cd27df8 [2019-08-10 04:02:51,485 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 04:02:51,490 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-08-10 04:02:51,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23268055e/6c33069df94c4c2fa9ebafb82fef5d53/FLAGc6cd27df8 [2019-08-10 04:02:51,792 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/23268055e/6c33069df94c4c2fa9ebafb82fef5d53 [2019-08-10 04:02:51,802 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 04:02:51,804 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 04:02:51,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 04:02:51,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 04:02:51,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 04:02:51,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 04:02:51" (1/1) ... [2019-08-10 04:02:51,813 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539391d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:51, skipping insertion in model container [2019-08-10 04:02:51,813 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 04:02:51" (1/1) ... [2019-08-10 04:02:51,820 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 04:02:51,862 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 04:02:52,065 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 04:02:52,074 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 04:02:52,214 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 04:02:52,235 INFO L192 MainTranslator]: Completed translation [2019-08-10 04:02:52,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:52 WrapperNode [2019-08-10 04:02:52,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 04:02:52,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 04:02:52,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 04:02:52,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 04:02:52,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:52" (1/1) ... [2019-08-10 04:02:52,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:52" (1/1) ... [2019-08-10 04:02:52,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:52" (1/1) ... [2019-08-10 04:02:52,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:52" (1/1) ... [2019-08-10 04:02:52,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:52" (1/1) ... [2019-08-10 04:02:52,276 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:52" (1/1) ... [2019-08-10 04:02:52,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:52" (1/1) ... [2019-08-10 04:02:52,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 04:02:52,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 04:02:52,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 04:02:52,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 04:02:52,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 04:02:52" (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 [2019-08-10 04:02:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 04:02:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 04:02:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-08-10 04:02:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-08-10 04:02:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-08-10 04:02:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-08-10 04:02:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-08-10 04:02:52,335 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-08-10 04:02:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-08-10 04:02:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-08-10 04:02:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-08-10 04:02:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-08-10 04:02:52,336 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-08-10 04:02:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-08-10 04:02:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-08-10 04:02:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-08-10 04:02:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-08-10 04:02:52,337 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-08-10 04:02:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-08-10 04:02:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-08-10 04:02:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-08-10 04:02:52,338 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 04:02:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 04:02:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 04:02:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-08-10 04:02:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-08-10 04:02:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-08-10 04:02:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-08-10 04:02:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-08-10 04:02:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-08-10 04:02:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-08-10 04:02:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-08-10 04:02:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-08-10 04:02:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-08-10 04:02:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-08-10 04:02:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-08-10 04:02:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-08-10 04:02:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-08-10 04:02:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-08-10 04:02:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-08-10 04:02:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-08-10 04:02:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-08-10 04:02:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-08-10 04:02:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 04:02:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 04:02:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 04:02:52,944 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2019-08-10 04:02:52,944 INFO L684 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2019-08-10 04:02:52,954 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 04:02:52,954 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-08-10 04:02:52,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 04:02:52 BoogieIcfgContainer [2019-08-10 04:02:52,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 04:02:52,957 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 04:02:52,957 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 04:02:52,957 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 04:02:52,958 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 04:02:52" (1/1) ... [2019-08-10 04:02:53,706 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 04:02:53,714 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 04:02:53,718 INFO L168 Benchmark]: Toolchain (without parser) took 1912.25 ms. Allocated memory was 132.6 MB in the beginning and 222.8 MB in the end (delta: 90.2 MB). Free memory was 87.0 MB in the beginning and 183.3 MB in the end (delta: -96.3 MB). Peak memory consumption was 82.6 MB. Max. memory is 7.1 GB. [2019-08-10 04:02:53,719 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 04:02:53,720 INFO L168 Benchmark]: CACSL2BoogieTranslator took 431.16 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.8 MB in the beginning and 173.1 MB in the end (delta: -86.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-08-10 04:02:53,722 INFO L168 Benchmark]: Boogie Preprocessor took 46.13 ms. Allocated memory is still 199.2 MB. Free memory was 173.1 MB in the beginning and 170.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-08-10 04:02:53,724 INFO L168 Benchmark]: RCFGBuilder took 673.10 ms. Allocated memory is still 199.2 MB. Free memory was 170.7 MB in the beginning and 136.1 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-08-10 04:02:53,725 INFO L168 Benchmark]: Symbolic Interpretation took 758.04 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 136.1 MB in the beginning and 183.3 MB in the end (delta: -47.2 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. [2019-08-10 04:02:53,736 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 9]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 734#(or (and (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (or (and (not (= 0 ~p_dw_st~0)) (= ~c_dr_st~0 1)) (and (or (and (= 2 ~p_dw_st~0) (= 1 ~p_dw_pc~0)) (= 0 ~p_dw_st~0) (and (= 2 ~p_dw_st~0) (= 2 ~p_dw_pc~0))) (= ~c_dr_st~0 1))) (not (= ~c_num_read~0 ~p_num_write~0)) (= ~c_last_read~0 ~p_last_write~0) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (= ~c_dr_pc~0 2)) (and (= 1 ~q_req_up~0) (not (= ~c_dr_pc~0 0)) (or (and (not (= 0 ~p_dw_st~0)) (= ~c_dr_st~0 1)) (and (or (and (= 2 ~p_dw_st~0) (= 1 ~p_dw_pc~0)) (= 0 ~p_dw_st~0) (and (= 2 ~p_dw_st~0) (= 2 ~p_dw_pc~0))) (= ~c_dr_st~0 1))) (= 1 ~q_free~0) (= ~c_last_read~0 ~q_buf_0~0) (= ~c_dr_pc~0 2) (not (= ~c_last_read~0 ~p_last_write~0)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 132.6 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 431.16 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 86.8 MB in the beginning and 173.1 MB in the end (delta: -86.3 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.13 ms. Allocated memory is still 199.2 MB. Free memory was 173.1 MB in the beginning and 170.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 673.10 ms. Allocated memory is still 199.2 MB. Free memory was 170.7 MB in the beginning and 136.1 MB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 758.04 ms. Allocated memory was 199.2 MB in the beginning and 222.8 MB in the end (delta: 23.6 MB). Free memory was 136.1 MB in the beginning and 183.3 MB in the end (delta: -47.2 MB). Peak memory consumption was 65.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...