java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/systemc/toy2.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:53:01,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:53:01,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:53:01,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:53:01,835 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:53:01,837 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:53:01,839 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:53:01,851 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:53:01,854 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:53:01,854 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:53:01,856 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:53:01,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:53:01,858 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:53:01,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:53:01,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:53:01,865 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:53:01,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:53:01,867 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:53:01,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:53:01,874 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:53:01,878 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:53:01,879 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:53:01,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:53:01,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:53:01,887 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:53:01,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:53:01,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:53:01,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:53:01,901 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 [2019-10-15 04:53:01,919 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:53:01,920 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:53:01,921 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:53:01,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:53:01,922 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:53:01,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:53:01,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:53:01,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:53:01,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:53:01,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:53:01,924 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:53:01,924 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:53:01,924 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:53:01,925 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:53:01,925 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:53:01,925 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:53:01,925 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:53:01,926 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:53:01,926 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:53:01,926 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:53:01,926 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:53:01,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:53:01,927 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:53:01,927 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:53:01,927 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:53:01,927 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:53:01,927 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:53:01,928 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:53:01,928 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:53:02,197 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:53:02,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:53:02,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:53:02,223 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:53:02,224 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:53:02,225 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy2.cil.c [2019-10-15 04:53:02,294 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654f14136/12a54b0bed6a41c69e0c9bbf3e33ae7d/FLAGf3ba67d86 [2019-10-15 04:53:02,820 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:53:02,821 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy2.cil.c [2019-10-15 04:53:02,845 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654f14136/12a54b0bed6a41c69e0c9bbf3e33ae7d/FLAGf3ba67d86 [2019-10-15 04:53:03,133 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/654f14136/12a54b0bed6a41c69e0c9bbf3e33ae7d [2019-10-15 04:53:03,145 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:53:03,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:53:03,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:53:03,150 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:53:03,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:53:03,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b2e1afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03, skipping insertion in model container [2019-10-15 04:53:03,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,166 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:53:03,220 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:53:03,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:53:03,453 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:53:03,593 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:53:03,615 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:53:03,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03 WrapperNode [2019-10-15 04:53:03,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:53:03,617 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:53:03,617 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:53:03,617 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:53:03,630 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,638 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,638 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:53:03,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:53:03,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:53:03,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:53:03,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:03" (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 [2019-10-15 04:53:03,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:53:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:53:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 04:53:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-10-15 04:53:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-10-15 04:53:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-10-15 04:53:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-10-15 04:53:03,731 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-10-15 04:53:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 04:53:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 04:53:03,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:53:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:53:03,732 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:53:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 04:53:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-10-15 04:53:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-10-15 04:53:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-10-15 04:53:03,733 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-10-15 04:53:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-15 04:53:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 04:53:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 04:53:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:53:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:53:03,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:53:04,413 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:53:04,413 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-15 04:53:04,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:53:04 BoogieIcfgContainer [2019-10-15 04:53:04,415 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:53:04,415 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:53:04,416 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:53:04,416 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:53:04,417 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:53:04" (1/1) ... [2019-10-15 04:53:04,448 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:53:28,872 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:53:28,899 INFO L272 AbstractInterpreter]: Visited 249 different actions 81044 times. Merged at 131 different actions 25188 times. Widened at 7 different actions 221 times. Performed 384259 root evaluator evaluations with a maximum evaluation depth of 4. Performed 384259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 14900 fixpoints after 85 different actions. Largest state had 68 variables. [2019-10-15 04:53:28,899 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:53:28,902 INFO L168 Benchmark]: Toolchain (without parser) took 25754.24 ms. Allocated memory was 146.8 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 103.1 MB in the beginning and 471.8 MB in the end (delta: -368.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-10-15 04:53:28,903 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:53:28,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.24 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 180.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:28,905 INFO L168 Benchmark]: Boogie Preprocessor took 57.86 ms. Allocated memory is still 204.5 MB. Free memory was 180.7 MB in the beginning and 178.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:28,906 INFO L168 Benchmark]: RCFGBuilder took 739.91 ms. Allocated memory is still 204.5 MB. Free memory was 178.0 MB in the beginning and 135.3 MB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:28,907 INFO L168 Benchmark]: Abstract Interpretation took 24484.10 ms. Allocated memory was 204.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 135.3 MB in the beginning and 471.8 MB in the end (delta: -336.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-10-15 04:53:28,912 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 466.24 ms. Allocated memory was 146.8 MB in the beginning and 204.5 MB in the end (delta: 57.7 MB). Free memory was 102.8 MB in the beginning and 180.7 MB in the end (delta: -77.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 57.86 ms. Allocated memory is still 204.5 MB. Free memory was 180.7 MB in the beginning and 178.0 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 739.91 ms. Allocated memory is still 204.5 MB. Free memory was 178.0 MB in the beginning and 135.3 MB in the end (delta: 42.8 MB). Peak memory consumption was 42.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 24484.10 ms. Allocated memory was 204.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 135.3 MB in the beginning and 471.8 MB in the end (delta: -336.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 13]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L18] int c ; [L19] int c_t ; [L20] int c_req_up ; [L21] int p_in ; [L22] int p_out ; [L23] int wl_st ; [L24] int c1_st ; [L25] int c2_st ; [L26] int wb_st ; [L27] int r_st ; [L28] int wl_i ; [L29] int c1_i ; [L30] int c2_i ; [L31] int wb_i ; [L32] int r_i ; [L33] int wl_pc ; [L34] int c1_pc ; [L35] int c2_pc ; [L36] int wb_pc ; [L37] int e_e ; [L38] int e_f ; [L39] int e_g ; [L40] int e_c ; [L41] int e_p_in ; [L42] int e_wl ; [L48] int d ; [L49] int data ; [L50] int processed ; [L51] static int t_b ; [L679] int __retres1 ; [L683] e_wl = 2 [L684] e_c = e_wl [L685] e_g = e_c [L686] e_f = e_g [L687] e_e = e_f [L688] wl_pc = 0 [L689] c1_pc = 0 [L690] c2_pc = 0 [L691] wb_pc = 0 [L692] wb_i = 1 [L693] c2_i = wb_i [L694] c1_i = c2_i [L695] wl_i = c1_i [L696] r_i = 0 [L697] c_req_up = 0 [L698] d = 0 [L699] c = 0 [L700] CALL start_simulation() [L390] int kernel_st ; [L393] kernel_st = 0 [L394] COND FALSE !((int )c_req_up == 1) [L405] COND TRUE (int )wl_i == 1 [L406] wl_st = 0 [L410] COND TRUE (int )c1_i == 1 [L411] c1_st = 0 [L415] COND TRUE (int )c2_i == 1 [L416] c2_st = 0 [L420] COND TRUE (int )wb_i == 1 [L421] wb_st = 0 [L425] COND FALSE !((int )r_i == 1) [L428] r_st = 2 [L430] COND FALSE !((int )e_f == 0) [L435] COND FALSE !((int )e_g == 0) [L440] COND FALSE !((int )e_e == 0) [L445] COND FALSE !((int )e_c == 0) [L450] COND FALSE !((int )e_wl == 0) [L455] COND FALSE !((int )wl_pc == 1) [L463] COND FALSE !((int )wl_pc == 2) [L473] COND FALSE !((int )c1_pc == 1) [L482] COND FALSE !((int )c2_pc == 1) [L491] COND FALSE !((int )wb_pc == 1) [L500] COND FALSE !((int )e_c == 1) [L505] COND FALSE !((int )e_e == 1) [L510] COND FALSE !((int )e_f == 1) [L515] COND FALSE !((int )e_g == 1) [L520] COND FALSE !((int )e_c == 1) [L525] COND FALSE !((int )e_wl == 1) [L531] COND TRUE 1 [L534] kernel_st = 1 [L535] CALL eval() [L276] int tmp ; [L277] int tmp___0 ; [L278] int tmp___1 ; [L279] int tmp___2 ; [L280] int tmp___3 ; [L284] COND TRUE 1 [L286] COND TRUE (int )wl_st == 0 [L307] COND TRUE (int )wl_st == 0 [L309] tmp = __VERIFIER_nondet_int() [L311] COND FALSE !(\read(tmp)) [L322] COND TRUE (int )c1_st == 0 [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) [L337] COND TRUE (int )c2_st == 0 [L339] tmp___1 = __VERIFIER_nondet_int() [L341] COND TRUE \read(tmp___1) [L343] c2_st = 1 [L344] CALL compute2() [L172] COND TRUE (int )c2_pc == 0 [L183] COND TRUE 1 [L185] c2_st = 2 [L186] c2_pc = 1 [L344] RET compute2() [L352] COND TRUE (int )wb_st == 0 [L354] tmp___2 = __VERIFIER_nondet_int() [L356] COND FALSE !(\read(tmp___2)) [L367] COND FALSE !((int )r_st == 0) [L284] COND TRUE 1 [L286] COND TRUE (int )wl_st == 0 [L307] COND TRUE (int )wl_st == 0 [L309] tmp = __VERIFIER_nondet_int() [L311] COND TRUE \read(tmp) [L313] wl_st = 1 [L314] CALL write_loop() [L53] int t ; [L56] COND FALSE !((int )wl_pc == 0) [L59] COND FALSE !((int )wl_pc == 2) [L62] COND TRUE (int )wl_pc == 1 [L77] COND TRUE 1 [L79] t = d [L80] data = d [L81] processed = 0 [L82] e_f = 1 [L83] COND FALSE !((int )c1_pc == 1) [L92] COND FALSE !((int )c2_pc == 1) [L101] e_f = 2 [L102] wl_st = 2 [L103] wl_pc = 2 [L104] t_b = t [L314] RET write_loop() [L322] COND FALSE !((int )c1_st == 0) [L337] COND FALSE !((int )c2_st == 0) [L352] COND FALSE !((int )wb_st == 0) [L367] COND FALSE !((int )r_st == 0) [L284] COND TRUE 1 [L286] COND TRUE (int )wl_st == 0 [L307] COND TRUE (int )wl_st == 0 [L309] tmp = __VERIFIER_nondet_int() [L311] COND TRUE \read(tmp) [L313] wl_st = 1 [L314] CALL write_loop() [L53] int t ; [L56] COND FALSE !((int )wl_pc == 0) [L59] COND TRUE (int )wl_pc == 2 [L108] t = t_b [L109] COND FALSE !(d == t + 1) [L113] CALL error() [L13] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...