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/toy.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:53:00,656 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:53:00,658 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:53:00,673 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:53:00,673 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:53:00,674 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:53:00,676 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:53:00,677 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:53:00,679 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:53:00,680 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:53:00,681 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:53:00,682 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:53:00,682 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:53:00,683 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:53:00,684 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:53:00,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:53:00,686 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:53:00,687 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:53:00,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:53:00,691 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:53:00,693 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:53:00,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:53:00,695 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:53:00,696 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:53:00,698 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:53:00,701 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:53:00,702 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:53:00,703 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:53:00,703 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:53:00,704 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:53:00,705 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:53:00,705 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:53:00,706 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:53:00,706 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:53:00,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:53:00,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:53:00,710 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 04:53:00,733 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:53:00,734 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:53:00,735 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:53:00,735 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:53:00,735 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:53:00,736 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:53:00,736 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:53:00,736 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:53:00,736 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:53:00,736 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:53:00,736 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:53:00,737 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:53:00,737 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:53:00,737 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:53:00,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:53:00,737 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:53:00,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:53:00,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:53:00,738 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:53:00,738 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:53:00,738 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:53:00,739 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:53:00,739 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:53:00,739 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:53:00,739 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:53:00,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:53:00,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:53:00,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:53:00,740 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 04:53:01,003 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:53:01,014 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:53:01,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:53:01,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:53:01,019 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:53:01,020 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/toy.cil.c [2019-10-15 04:53:01,092 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca21bd1d3/a82778fbda2b431d8a4c43fa7bc58190/FLAG1f5e9d722 [2019-10-15 04:53:01,592 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:53:01,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/toy.cil.c [2019-10-15 04:53:01,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca21bd1d3/a82778fbda2b431d8a4c43fa7bc58190/FLAG1f5e9d722 [2019-10-15 04:53:01,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca21bd1d3/a82778fbda2b431d8a4c43fa7bc58190 [2019-10-15 04:53:01,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:53:01,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:53:01,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:53:01,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:53:01,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:53:01,951 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:53:01" (1/1) ... [2019-10-15 04:53:01,954 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35da1448 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:01, skipping insertion in model container [2019-10-15 04:53:01,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:53:01" (1/1) ... [2019-10-15 04:53:01,962 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:53:02,010 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:53:02,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:53:02,312 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:53:02,525 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:53:02,541 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:53:02,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:02 WrapperNode [2019-10-15 04:53:02,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:53:02,542 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:53:02,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:53:02,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:53:02,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:02" (1/1) ... [2019-10-15 04:53:02,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:02" (1/1) ... [2019-10-15 04:53:02,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:02" (1/1) ... [2019-10-15 04:53:02,561 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:02" (1/1) ... [2019-10-15 04:53:02,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:02" (1/1) ... [2019-10-15 04:53:02,590 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:02" (1/1) ... [2019-10-15 04:53:02,592 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:02" (1/1) ... [2019-10-15 04:53:02,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:53:02,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:53:02,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:53:02,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:53:02,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:53:02" (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 04:53:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:53:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:53:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-15 04:53:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure write_loop [2019-10-15 04:53:02,654 INFO L138 BoogieDeclarations]: Found implementation of procedure compute1 [2019-10-15 04:53:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure compute2 [2019-10-15 04:53:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure write_back [2019-10-15 04:53:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure read [2019-10-15 04:53:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-15 04:53:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-15 04:53:02,655 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:53:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:53:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:53:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-15 04:53:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure write_loop [2019-10-15 04:53:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure compute1 [2019-10-15 04:53:02,656 INFO L130 BoogieDeclarations]: Found specification of procedure compute2 [2019-10-15 04:53:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure write_back [2019-10-15 04:53:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-10-15 04:53:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-15 04:53:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-15 04:53:02,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:53:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:53:02,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:53:03,359 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:53:03,359 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-15 04:53:03,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:53:03 BoogieIcfgContainer [2019-10-15 04:53:03,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:53:03,362 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:53:03,362 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:53:03,363 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:53:03,363 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:53:03" (1/1) ... [2019-10-15 04:53:03,401 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:53:32,868 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:53:32,897 INFO L272 AbstractInterpreter]: Visited 251 different actions 93693 times. Merged at 131 different actions 29164 times. Widened at 7 different actions 230 times. Performed 445254 root evaluator evaluations with a maximum evaluation depth of 4. Performed 445254 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 17114 fixpoints after 88 different actions. Largest state had 68 variables. [2019-10-15 04:53:32,897 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:53:32,901 INFO L168 Benchmark]: Toolchain (without parser) took 30953.25 ms. Allocated memory was 138.4 MB in the beginning and 1.8 GB in the end (delta: 1.7 GB). Free memory was 103.3 MB in the beginning and 304.4 MB in the end (delta: -201.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 7.1 GB. [2019-10-15 04:53:32,902 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:53:32,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.39 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 103.1 MB in the beginning and 180.1 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:32,904 INFO L168 Benchmark]: Boogie Preprocessor took 53.71 ms. Allocated memory is still 203.9 MB. Free memory was 180.1 MB in the beginning and 177.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:32,905 INFO L168 Benchmark]: RCFGBuilder took 765.04 ms. Allocated memory is still 203.9 MB. Free memory was 177.1 MB in the beginning and 134.2 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:53:32,906 INFO L168 Benchmark]: Abstract Interpretation took 29535.18 ms. Allocated memory was 203.9 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 134.2 MB in the beginning and 304.4 MB in the end (delta: -170.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-10-15 04:53:32,910 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 138.4 MB. Free memory was 121.7 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 595.39 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 103.1 MB in the beginning and 180.1 MB in the end (delta: -77.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.71 ms. Allocated memory is still 203.9 MB. Free memory was 180.1 MB in the beginning and 177.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 765.04 ms. Allocated memory is still 203.9 MB. Free memory was 177.1 MB in the beginning and 134.2 MB in the end (delta: 42.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 29535.18 ms. Allocated memory was 203.9 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 134.2 MB in the beginning and 304.4 MB in the end (delta: -170.2 MB). Peak memory consumption was 1.4 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 ; [L683] int __retres1 ; [L687] e_wl = 2 [L688] e_c = e_wl [L689] e_g = e_c [L690] e_f = e_g [L691] e_e = e_f [L692] wl_pc = 0 [L693] c1_pc = 0 [L694] c2_pc = 0 [L695] wb_pc = 0 [L696] wb_i = 1 [L697] c2_i = wb_i [L698] c1_i = c2_i [L699] wl_i = c1_i [L700] r_i = 0 [L701] c_req_up = 0 [L702] d = 0 [L703] c = 0 [L704] CALL start_simulation() [L394] int kernel_st ; [L397] kernel_st = 0 [L398] COND FALSE !((int )c_req_up == 1) [L409] COND TRUE (int )wl_i == 1 [L410] wl_st = 0 [L414] COND TRUE (int )c1_i == 1 [L415] c1_st = 0 [L419] COND TRUE (int )c2_i == 1 [L420] c2_st = 0 [L424] COND TRUE (int )wb_i == 1 [L425] wb_st = 0 [L429] COND FALSE !((int )r_i == 1) [L432] r_st = 2 [L434] COND FALSE !((int )e_f == 0) [L439] COND FALSE !((int )e_g == 0) [L444] COND FALSE !((int )e_e == 0) [L449] COND FALSE !((int )e_c == 0) [L454] COND FALSE !((int )e_wl == 0) [L459] COND FALSE !((int )wl_pc == 1) [L467] COND FALSE !((int )wl_pc == 2) [L477] COND FALSE !((int )c1_pc == 1) [L486] COND FALSE !((int )c2_pc == 1) [L495] COND FALSE !((int )wb_pc == 1) [L504] COND FALSE !((int )e_c == 1) [L509] COND FALSE !((int )e_e == 1) [L514] COND FALSE !((int )e_f == 1) [L519] COND FALSE !((int )e_g == 1) [L524] COND FALSE !((int )e_c == 1) [L529] COND FALSE !((int )e_wl == 1) [L535] COND TRUE 1 [L538] kernel_st = 1 [L539] CALL eval() [L280] int tmp ; [L281] int tmp___0 ; [L282] int tmp___1 ; [L283] int tmp___2 ; [L284] int tmp___3 ; [L288] COND TRUE 1 [L290] COND TRUE (int )wl_st == 0 [L311] COND TRUE (int )wl_st == 0 [L313] tmp = __VERIFIER_nondet_int() [L315] COND FALSE !(\read(tmp)) [L326] COND TRUE (int )c1_st == 0 [L328] tmp___0 = __VERIFIER_nondet_int() [L330] COND FALSE !(\read(tmp___0)) [L341] COND TRUE (int )c2_st == 0 [L343] tmp___1 = __VERIFIER_nondet_int() [L345] COND TRUE \read(tmp___1) [L347] c2_st = 1 [L348] CALL compute2() [L176] COND TRUE (int )c2_pc == 0 [L187] COND TRUE 1 [L189] c2_st = 2 [L190] c2_pc = 1 [L348] RET compute2() [L356] COND TRUE (int )wb_st == 0 [L358] tmp___2 = __VERIFIER_nondet_int() [L360] COND FALSE !(\read(tmp___2)) [L371] COND FALSE !((int )r_st == 0) [L288] COND TRUE 1 [L290] COND TRUE (int )wl_st == 0 [L311] COND TRUE (int )wl_st == 0 [L313] tmp = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp) [L317] wl_st = 1 [L318] 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 [L318] RET write_loop() [L326] COND FALSE !((int )c1_st == 0) [L341] COND FALSE !((int )c2_st == 0) [L356] COND FALSE !((int )wb_st == 0) [L371] COND FALSE !((int )r_st == 0) [L288] COND TRUE 1 [L290] COND TRUE (int )wl_st == 0 [L311] COND TRUE (int )wl_st == 0 [L313] tmp = __VERIFIER_nondet_int() [L315] COND TRUE \read(tmp) [L317] wl_st = 1 [L318] 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) [L112] COND FALSE !(d == t + 2) [L116] CALL error() [L13] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...