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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:59:07,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:59:07,211 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:59:07,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:59:07,229 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:59:07,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:59:07,233 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:59:07,243 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:59:07,246 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:59:07,247 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:59:07,249 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:59:07,250 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:59:07,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:59:07,254 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:59:07,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:59:07,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:59:07,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:59:07,259 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:59:07,261 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:59:07,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:59:07,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:59:07,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:59:07,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:59:07,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:59:07,280 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:59:07,280 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:59:07,280 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:59:07,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:59:07,282 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:59:07,284 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:59:07,284 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:59:07,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:59:07,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:59:07,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:59:07,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:59:07,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:59:07,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:59:07,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:59:07,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:59:07,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:59:07,290 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:59:07,291 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:59:07,305 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:59:07,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:59:07,306 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:59:07,306 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:59:07,307 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:59:07,307 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:59:07,307 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:59:07,307 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:59:07,307 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:59:07,308 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:59:07,308 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:59:07,309 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:59:07,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:59:07,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:59:07,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:59:07,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:59:07,310 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:59:07,310 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:59:07,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:59:07,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:59:07,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:59:07,311 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:59:07,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:59:07,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:59:07,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:59:07,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:59:07,312 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:59:07,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:59:07,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:59:07,312 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:59:07,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:59:07,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:59:07,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:59:07,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:59:07,361 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:59:07,361 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2019-09-11 16:59:07,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e4b0ff8/19e1282a59f0413eb9a4d6dac9cc82f8/FLAG1753d9be9 [2019-09-11 16:59:07,990 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:59:07,991 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_floodmax.4.1.ufo.UNBOUNDED.pals.c [2019-09-11 16:59:08,004 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e4b0ff8/19e1282a59f0413eb9a4d6dac9cc82f8/FLAG1753d9be9 [2019-09-11 16:59:08,266 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e4b0ff8/19e1282a59f0413eb9a4d6dac9cc82f8 [2019-09-11 16:59:08,281 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:59:08,283 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:59:08,284 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:59:08,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:59:08,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:59:08,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:59:08" (1/1) ... [2019-09-11 16:59:08,291 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a39f893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08, skipping insertion in model container [2019-09-11 16:59:08,292 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:59:08" (1/1) ... [2019-09-11 16:59:08,300 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:59:08,370 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:59:08,810 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:59:08,836 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:59:08,929 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:59:08,949 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:59:08,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08 WrapperNode [2019-09-11 16:59:08,950 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:59:08,950 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:59:08,950 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:59:08,951 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:59:08,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08" (1/1) ... [2019-09-11 16:59:08,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08" (1/1) ... [2019-09-11 16:59:08,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08" (1/1) ... [2019-09-11 16:59:08,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08" (1/1) ... [2019-09-11 16:59:09,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08" (1/1) ... [2019-09-11 16:59:09,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08" (1/1) ... [2019-09-11 16:59:09,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08" (1/1) ... [2019-09-11 16:59:09,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:59:09,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:59:09,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:59:09,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:59:09,071 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:59:08" (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 [2019-09-11 16:59:09,135 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:59:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:59:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 16:59:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 16:59:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 16:59:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-11 16:59:09,136 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 16:59:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 16:59:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:59:09,137 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 16:59:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:59:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 16:59:09,137 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 16:59:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 16:59:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 16:59:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:59:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 16:59:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 16:59:09,138 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 16:59:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 16:59:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 16:59:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 16:59:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 16:59:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 16:59:09,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:59:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:59:09,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:59:10,627 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:59:10,628 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:59:10,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:59:10 BoogieIcfgContainer [2019-09-11 16:59:10,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:59:10,632 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:59:10,632 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:59:10,633 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:59:10,633 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:59:10" (1/1) ... [2019-09-11 16:59:10,685 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:59:10,917 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:59:46,214 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:59:46,272 INFO L272 AbstractInterpreter]: Visited 552 different actions 37008 times. Merged at 336 different actions 16810 times. Widened at 22 different actions 137 times. Performed 196524 root evaluator evaluations with a maximum evaluation depth of 6. Performed 196524 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 13376 fixpoints after 299 different actions. Largest state had 228 variables. [2019-09-11 16:59:46,273 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:59:46,277 INFO L168 Benchmark]: Toolchain (without parser) took 37993.76 ms. Allocated memory was 134.7 MB in the beginning and 1.9 GB in the end (delta: 1.8 GB). Free memory was 89.6 MB in the beginning and 1.8 GB in the end (delta: -1.7 GB). Peak memory consumption was 139.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:59:46,279 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:59:46,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 666.56 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 164.6 MB in the end (delta: -75.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:59:46,281 INFO L168 Benchmark]: Boogie Preprocessor took 117.91 ms. Allocated memory is still 201.3 MB. Free memory was 164.6 MB in the beginning and 159.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:59:46,283 INFO L168 Benchmark]: RCFGBuilder took 1561.84 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 159.7 MB in the beginning and 176.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:59:46,283 INFO L168 Benchmark]: Abstract Interpretation took 35641.03 ms. Allocated memory was 229.1 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 176.2 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 131.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:59:46,287 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 MB. Free memory was 109.3 MB in the beginning and 109.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 666.56 ms. Allocated memory was 134.7 MB in the beginning and 201.3 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 164.6 MB in the end (delta: -75.2 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.91 ms. Allocated memory is still 201.3 MB. Free memory was 164.6 MB in the beginning and 159.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1561.84 ms. Allocated memory was 201.3 MB in the beginning and 229.1 MB in the end (delta: 27.8 MB). Free memory was 159.7 MB in the beginning and 176.2 MB in the end (delta: -16.5 MB). Peak memory consumption was 84.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 35641.03 ms. Allocated memory was 229.1 MB in the beginning and 1.9 GB in the end (delta: 1.7 GB). Free memory was 176.2 MB in the beginning and 1.8 GB in the end (delta: -1.6 GB). Peak memory consumption was 131.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1255]: 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: [L70] msg_t nomsg = (msg_t )-1; [L71] port_t p12 ; [L72] char p12_old ; [L73] char p12_new ; [L74] _Bool ep12 ; [L75] port_t p13 ; [L76] char p13_old ; [L77] char p13_new ; [L78] _Bool ep13 ; [L79] port_t p14 ; [L80] char p14_old ; [L81] char p14_new ; [L82] _Bool ep14 ; [L83] port_t p21 ; [L84] char p21_old ; [L85] char p21_new ; [L86] _Bool ep21 ; [L87] port_t p23 ; [L88] char p23_old ; [L89] char p23_new ; [L90] _Bool ep23 ; [L91] port_t p24 ; [L92] char p24_old ; [L93] char p24_new ; [L94] _Bool ep24 ; [L95] port_t p31 ; [L96] char p31_old ; [L97] char p31_new ; [L98] _Bool ep31 ; [L99] port_t p32 ; [L100] char p32_old ; [L101] char p32_new ; [L102] _Bool ep32 ; [L103] port_t p34 ; [L104] char p34_old ; [L105] char p34_new ; [L106] _Bool ep34 ; [L107] port_t p41 ; [L108] char p41_old ; [L109] char p41_new ; [L110] _Bool ep41 ; [L111] port_t p42 ; [L112] char p42_old ; [L113] char p42_new ; [L114] _Bool ep42 ; [L115] port_t p43 ; [L116] char p43_old ; [L117] char p43_new ; [L118] _Bool ep43 ; [L119] char id1 ; [L120] unsigned char r1 ; [L121] char st1 ; [L122] char nl1 ; [L123] char m1 ; [L124] char max1 ; [L125] _Bool mode1 ; [L126] char id2 ; [L127] unsigned char r2 ; [L128] char st2 ; [L129] char nl2 ; [L130] char m2 ; [L131] char max2 ; [L132] _Bool mode2 ; [L133] char id3 ; [L134] unsigned char r3 ; [L135] char st3 ; [L136] char nl3 ; [L137] char m3 ; [L138] char max3 ; [L139] _Bool mode3 ; [L140] char id4 ; [L141] unsigned char r4 ; [L142] char st4 ; [L143] char nl4 ; [L144] char m4 ; [L145] char max4 ; [L146] _Bool mode4 ; [L371] void (*nodes[4])(void) = { & node1, & node2, & node3, & node4}; [L1139] int c1 ; [L1140] int i2 ; [L1143] c1 = 0 [L1144] ep12 = __VERIFIER_nondet_bool() [L1145] ep13 = __VERIFIER_nondet_bool() [L1146] ep14 = __VERIFIER_nondet_bool() [L1147] ep21 = __VERIFIER_nondet_bool() [L1148] ep23 = __VERIFIER_nondet_bool() [L1149] ep24 = __VERIFIER_nondet_bool() [L1150] ep31 = __VERIFIER_nondet_bool() [L1151] ep32 = __VERIFIER_nondet_bool() [L1152] ep34 = __VERIFIER_nondet_bool() [L1153] ep41 = __VERIFIER_nondet_bool() [L1154] ep42 = __VERIFIER_nondet_bool() [L1155] ep43 = __VERIFIER_nondet_bool() [L1156] id1 = __VERIFIER_nondet_char() [L1157] r1 = __VERIFIER_nondet_uchar() [L1158] st1 = __VERIFIER_nondet_char() [L1159] nl1 = __VERIFIER_nondet_char() [L1160] m1 = __VERIFIER_nondet_char() [L1161] max1 = __VERIFIER_nondet_char() [L1162] mode1 = __VERIFIER_nondet_bool() [L1163] id2 = __VERIFIER_nondet_char() [L1164] r2 = __VERIFIER_nondet_uchar() [L1165] st2 = __VERIFIER_nondet_char() [L1166] nl2 = __VERIFIER_nondet_char() [L1167] m2 = __VERIFIER_nondet_char() [L1168] max2 = __VERIFIER_nondet_char() [L1169] mode2 = __VERIFIER_nondet_bool() [L1170] id3 = __VERIFIER_nondet_char() [L1171] r3 = __VERIFIER_nondet_uchar() [L1172] st3 = __VERIFIER_nondet_char() [L1173] nl3 = __VERIFIER_nondet_char() [L1174] m3 = __VERIFIER_nondet_char() [L1175] max3 = __VERIFIER_nondet_char() [L1176] mode3 = __VERIFIER_nondet_bool() [L1177] id4 = __VERIFIER_nondet_char() [L1178] r4 = __VERIFIER_nondet_uchar() [L1179] st4 = __VERIFIER_nondet_char() [L1180] nl4 = __VERIFIER_nondet_char() [L1181] m4 = __VERIFIER_nondet_char() [L1182] max4 = __VERIFIER_nondet_char() [L1183] mode4 = __VERIFIER_nondet_bool() [L1184] CALL, EXPR init() [L374] _Bool r121 ; [L375] _Bool r131 ; [L376] _Bool r141 ; [L377] _Bool r211 ; [L378] _Bool r231 ; [L379] _Bool r241 ; [L380] _Bool r311 ; [L381] _Bool r321 ; [L382] _Bool r341 ; [L383] _Bool r411 ; [L384] _Bool r421 ; [L385] _Bool r431 ; [L386] _Bool r122 ; [L387] int tmp ; [L388] _Bool r132 ; [L389] int tmp___0 ; [L390] _Bool r142 ; [L391] int tmp___1 ; [L392] _Bool r212 ; [L393] int tmp___2 ; [L394] _Bool r232 ; [L395] int tmp___3 ; [L396] _Bool r242 ; [L397] int tmp___4 ; [L398] _Bool r312 ; [L399] int tmp___5 ; [L400] _Bool r322 ; [L401] int tmp___6 ; [L402] _Bool r342 ; [L403] int tmp___7 ; [L404] _Bool r412 ; [L405] int tmp___8 ; [L406] _Bool r422 ; [L407] int tmp___9 ; [L408] _Bool r432 ; [L409] int tmp___10 ; [L410] _Bool r123 ; [L411] int tmp___11 ; [L412] _Bool r133 ; [L413] int tmp___12 ; [L414] _Bool r143 ; [L415] int tmp___13 ; [L416] _Bool r213 ; [L417] int tmp___14 ; [L418] _Bool r233 ; [L419] int tmp___15 ; [L420] _Bool r243 ; [L421] int tmp___16 ; [L422] _Bool r313 ; [L423] int tmp___17 ; [L424] _Bool r323 ; [L425] int tmp___18 ; [L426] _Bool r343 ; [L427] int tmp___19 ; [L428] _Bool r413 ; [L429] int tmp___20 ; [L430] _Bool r423 ; [L431] int tmp___21 ; [L432] _Bool r433 ; [L433] int tmp___22 ; [L434] int tmp___23 ; [L437] r121 = ep12 [L438] r131 = ep13 [L439] r141 = ep14 [L440] r211 = ep21 [L441] r231 = ep23 [L442] r241 = ep24 [L443] r311 = ep31 [L444] r321 = ep32 [L445] r341 = ep34 [L446] r411 = ep41 [L447] r421 = ep42 [L448] r431 = ep43 [L449] COND TRUE \read(r121) [L450] tmp = 1 [L469] r122 = (_Bool )tmp [L470] COND TRUE \read(r131) [L471] tmp___0 = 1 [L490] r132 = (_Bool )tmp___0 [L491] COND TRUE \read(r141) [L492] tmp___1 = 1 [L511] r142 = (_Bool )tmp___1 [L512] COND TRUE \read(r211) [L513] tmp___2 = 1 [L532] r212 = (_Bool )tmp___2 [L533] COND TRUE \read(r231) [L534] tmp___3 = 1 [L553] r232 = (_Bool )tmp___3 [L554] COND TRUE \read(r241) [L555] tmp___4 = 1 [L574] r242 = (_Bool )tmp___4 [L575] COND TRUE \read(r311) [L576] tmp___5 = 1 [L595] r312 = (_Bool )tmp___5 [L596] COND TRUE \read(r321) [L597] tmp___6 = 1 [L616] r322 = (_Bool )tmp___6 [L617] COND TRUE \read(r341) [L618] tmp___7 = 1 [L637] r342 = (_Bool )tmp___7 [L638] COND TRUE \read(r411) [L639] tmp___8 = 1 [L658] r412 = (_Bool )tmp___8 [L659] COND TRUE \read(r421) [L660] tmp___9 = 1 [L679] r422 = (_Bool )tmp___9 [L680] COND TRUE \read(r431) [L681] tmp___10 = 1 [L700] r432 = (_Bool )tmp___10 [L701] COND TRUE \read(r122) [L702] tmp___11 = 1 [L721] r123 = (_Bool )tmp___11 [L722] COND TRUE \read(r132) [L723] tmp___12 = 1 [L742] r133 = (_Bool )tmp___12 [L743] COND TRUE \read(r142) [L744] tmp___13 = 1 [L763] r143 = (_Bool )tmp___13 [L764] COND TRUE \read(r212) [L765] tmp___14 = 1 [L784] r213 = (_Bool )tmp___14 [L785] COND TRUE \read(r232) [L786] tmp___15 = 1 [L805] r233 = (_Bool )tmp___15 [L806] COND TRUE \read(r242) [L807] tmp___16 = 1 [L826] r243 = (_Bool )tmp___16 [L827] COND TRUE \read(r312) [L828] tmp___17 = 1 [L847] r313 = (_Bool )tmp___17 [L848] COND TRUE \read(r322) [L849] tmp___18 = 1 [L868] r323 = (_Bool )tmp___18 [L869] COND TRUE \read(r342) [L870] tmp___19 = 1 [L889] r343 = (_Bool )tmp___19 [L890] COND TRUE \read(r412) [L891] tmp___20 = 1 [L910] r413 = (_Bool )tmp___20 [L911] COND TRUE \read(r422) [L912] tmp___21 = 1 [L931] r423 = (_Bool )tmp___21 [L932] COND TRUE \read(r432) [L933] tmp___22 = 1 [L952] r433 = (_Bool )tmp___22 [L953] COND TRUE (int )id1 != (int )id2 [L954] COND TRUE (int )id1 != (int )id3 [L955] COND TRUE (int )id1 != (int )id4 [L956] COND TRUE (int )id2 != (int )id3 [L957] COND TRUE (int )id2 != (int )id4 [L958] COND TRUE (int )id3 != (int )id4 [L959] COND TRUE (int )id1 >= 0 [L960] COND TRUE (int )id2 >= 0 [L961] COND TRUE (int )id3 >= 0 [L962] COND TRUE (int )id4 >= 0 [L963] COND TRUE (int )r1 == 0 [L964] COND TRUE (int )r2 == 0 [L965] COND TRUE (int )r3 == 0 [L966] COND TRUE (int )r4 == 0 [L967] COND TRUE (int )max1 == (int )id1 [L968] COND TRUE (int )max2 == (int )id2 [L969] COND TRUE (int )max3 == (int )id3 [L970] COND TRUE (int )max4 == (int )id4 [L971] COND TRUE (int )st1 == 0 [L972] COND TRUE (int )st2 == 0 [L973] COND TRUE (int )st3 == 0 [L974] COND TRUE (int )st4 == 0 [L975] COND TRUE (int )nl1 == 0 [L976] COND TRUE (int )nl2 == 0 [L977] COND TRUE (int )nl3 == 0 [L978] COND TRUE (int )nl4 == 0 [L979] COND TRUE (int )mode1 == 0 [L980] COND TRUE (int )mode2 == 0 [L981] COND TRUE (int )mode3 == 0 [L982] COND TRUE (int )mode4 == 0 [L983] tmp___23 = 1 [L1074] return (tmp___23); [L1184] RET, EXPR init() [L1184] i2 = init() [L1186] p12_old = nomsg [L1187] p12_new = nomsg [L1188] p13_old = nomsg [L1189] p13_new = nomsg [L1190] p14_old = nomsg [L1191] p14_new = nomsg [L1192] p21_old = nomsg [L1193] p21_new = nomsg [L1194] p23_old = nomsg [L1195] p23_new = nomsg [L1196] p24_old = nomsg [L1197] p24_new = nomsg [L1198] p31_old = nomsg [L1199] p31_new = nomsg [L1200] p32_old = nomsg [L1201] p32_new = nomsg [L1202] p34_old = nomsg [L1203] p34_new = nomsg [L1204] p41_old = nomsg [L1205] p41_new = nomsg [L1206] p42_old = nomsg [L1207] p42_new = nomsg [L1208] p43_old = nomsg [L1209] p43_new = nomsg [L1210] i2 = 0 [L1211] COND TRUE 1 [L1213] CALL node1() [L152] COND FALSE !(\read(mode1)) [L187] COND FALSE !((int )r1 < 3) [L198] mode1 = (_Bool)1 [L1213] RET node1() [L1214] CALL node2() [L208] COND FALSE !(\read(mode2)) [L243] COND FALSE !((int )r2 < 3) [L254] mode2 = (_Bool)1 [L1214] RET node2() [L1215] CALL node3() [L264] COND FALSE !(\read(mode3)) [L299] COND FALSE !((int )r3 < 3) [L310] mode3 = (_Bool)1 [L1215] RET node3() [L1216] CALL node4() [L320] COND FALSE !(\read(mode4)) [L355] COND FALSE !((int )r4 < 3) [L366] mode4 = (_Bool)1 [L1216] RET node4() [L1217] p12_old = p12_new [L1218] p12_new = nomsg [L1219] p13_old = p13_new [L1220] p13_new = nomsg [L1221] p14_old = p14_new [L1222] p14_new = nomsg [L1223] p21_old = p21_new [L1224] p21_new = nomsg [L1225] p23_old = p23_new [L1226] p23_new = nomsg [L1227] p24_old = p24_new [L1228] p24_new = nomsg [L1229] p31_old = p31_new [L1230] p31_new = nomsg [L1231] p32_old = p32_new [L1232] p32_new = nomsg [L1233] p34_old = p34_new [L1234] p34_new = nomsg [L1235] p41_old = p41_new [L1236] p41_new = nomsg [L1237] p42_old = p42_new [L1238] p42_new = nomsg [L1239] p43_old = p43_new [L1240] p43_new = nomsg [L1241] CALL, EXPR check() [L1079] int tmp ; [L1082] COND FALSE !((((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1) [L1132] tmp = 0 [L1134] return (tmp); [L1241] RET, EXPR check() [L1241] c1 = check() [L1242] CALL assert(c1) [L1253] COND TRUE ! arg [L1255] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...