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_opt-floodmax.4.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:05:49,352 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:05:49,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:05:49,366 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:05:49,366 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:05:49,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:05:49,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:05:49,370 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:05:49,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:05:49,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:05:49,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:05:49,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:05:49,375 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:05:49,376 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:05:49,377 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:05:49,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:05:49,379 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:05:49,380 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:05:49,381 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:05:49,383 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:05:49,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:05:49,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:05:49,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:05:49,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:05:49,390 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:05:49,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:05:49,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:05:49,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:05:49,402 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:05:49,403 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:05:49,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:05:49,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:05:49,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:05:49,406 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:05:49,407 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:05:49,408 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:05:49,409 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 17:05:49,432 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:05:49,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:05:49,433 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:05:49,433 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:05:49,433 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:05:49,434 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:05:49,434 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:05:49,434 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:05:49,434 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:05:49,434 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:05:49,435 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:05:49,435 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:05:49,436 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:05:49,436 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:05:49,436 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:05:49,436 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:05:49,436 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:05:49,437 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:05:49,437 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:05:49,437 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:05:49,437 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:05:49,437 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:05:49,438 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:05:49,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:05:49,438 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:05:49,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:05:49,438 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:05:49,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:05:49,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:05:49,439 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:05:49,467 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:05:49,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:05:49,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:05:49,489 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:05:49,489 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:05:49,491 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c [2019-09-11 17:05:49,561 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c899145cb/64068c02f1c141f98a15b2cb64bc218f/FLAGddefb2da2 [2019-09-11 17:05:50,110 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:05:50,111 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.ufo.UNBOUNDED.pals.c [2019-09-11 17:05:50,124 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c899145cb/64068c02f1c141f98a15b2cb64bc218f/FLAGddefb2da2 [2019-09-11 17:05:50,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c899145cb/64068c02f1c141f98a15b2cb64bc218f [2019-09-11 17:05:50,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:05:50,387 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:05:50,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:50,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:05:50,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:05:50,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:50" (1/1) ... [2019-09-11 17:05:50,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2369f5c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:50, skipping insertion in model container [2019-09-11 17:05:50,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:50" (1/1) ... [2019-09-11 17:05:50,402 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:05:50,461 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:05:50,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:50,976 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:05:51,112 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:51,142 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:05:51,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:51 WrapperNode [2019-09-11 17:05:51,142 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:51,143 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:05:51,143 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:05:51,144 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:05:51,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:51" (1/1) ... [2019-09-11 17:05:51,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:51" (1/1) ... [2019-09-11 17:05:51,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:51" (1/1) ... [2019-09-11 17:05:51,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:51" (1/1) ... [2019-09-11 17:05:51,202 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:51" (1/1) ... [2019-09-11 17:05:51,228 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:51" (1/1) ... [2019-09-11 17:05:51,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:51" (1/1) ... [2019-09-11 17:05:51,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:05:51,243 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:05:51,244 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:05:51,244 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:05:51,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:51" (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 17:05:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:05:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:05:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:05:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:05:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:05:51,321 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-11 17:05:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:05:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:05:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:05:51,322 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:05:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:05:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:05:51,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:05:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:05:51,324 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:05:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:05:51,325 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:05:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:05:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:05:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:05:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:05:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:05:51,326 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:05:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:05:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:05:51,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:05:51,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:05:52,884 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:05:52,885 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:05:52,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:52 BoogieIcfgContainer [2019-09-11 17:05:52,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:05:52,889 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:05:52,889 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:05:52,889 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:05:52,890 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:52" (1/1) ... [2019-09-11 17:05:52,941 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:05:53,213 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:06:25,211 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:06:25,261 INFO L272 AbstractInterpreter]: Visited 618 different actions 40078 times. Merged at 370 different actions 18027 times. Widened at 22 different actions 158 times. Performed 192861 root evaluator evaluations with a maximum evaluation depth of 6. Performed 192861 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 15150 fixpoints after 332 different actions. Largest state had 236 variables. [2019-09-11 17:06:25,261 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:06:25,264 INFO L168 Benchmark]: Toolchain (without parser) took 34875.56 ms. Allocated memory was 142.1 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 88.6 MB in the beginning and 417.2 MB in the end (delta: -328.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-09-11 17:06:25,265 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 142.1 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:06:25,266 INFO L168 Benchmark]: CACSL2BoogieTranslator took 754.43 ms. Allocated memory was 142.1 MB in the beginning and 202.4 MB in the end (delta: 60.3 MB). Free memory was 88.4 MB in the beginning and 165.8 MB in the end (delta: -77.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:25,267 INFO L168 Benchmark]: Boogie Preprocessor took 99.65 ms. Allocated memory is still 202.4 MB. Free memory was 165.8 MB in the beginning and 160.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:25,268 INFO L168 Benchmark]: RCFGBuilder took 1643.61 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 160.3 MB in the beginning and 167.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:25,269 INFO L168 Benchmark]: Abstract Interpretation took 32372.95 ms. Allocated memory was 231.2 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 167.3 MB in the beginning and 417.2 MB in the end (delta: -249.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-09-11 17:06:25,274 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 142.1 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 754.43 ms. Allocated memory was 142.1 MB in the beginning and 202.4 MB in the end (delta: 60.3 MB). Free memory was 88.4 MB in the beginning and 165.8 MB in the end (delta: -77.4 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.65 ms. Allocated memory is still 202.4 MB. Free memory was 165.8 MB in the beginning and 160.3 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1643.61 ms. Allocated memory was 202.4 MB in the beginning and 231.2 MB in the end (delta: 28.8 MB). Free memory was 160.3 MB in the beginning and 167.3 MB in the end (delta: -7.0 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 32372.95 ms. Allocated memory was 231.2 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 167.3 MB in the beginning and 417.2 MB in the end (delta: -249.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1374]: 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] _Bool newmax1 ; [L127] char id2 ; [L128] unsigned char r2 ; [L129] char st2 ; [L130] char nl2 ; [L131] char m2 ; [L132] char max2 ; [L133] _Bool mode2 ; [L134] _Bool newmax2 ; [L135] char id3 ; [L136] unsigned char r3 ; [L137] char st3 ; [L138] char nl3 ; [L139] char m3 ; [L140] char max3 ; [L141] _Bool mode3 ; [L142] _Bool newmax3 ; [L143] char id4 ; [L144] unsigned char r4 ; [L145] char st4 ; [L146] char nl4 ; [L147] char m4 ; [L148] char max4 ; [L149] _Bool mode4 ; [L150] _Bool newmax4 ; [L422] void (*nodes[4])(void) = { & node1, & node2, & node3, & node4}; [L1254] int c1 ; [L1255] int i2 ; [L1258] c1 = 0 [L1259] ep12 = __VERIFIER_nondet_bool() [L1260] ep13 = __VERIFIER_nondet_bool() [L1261] ep14 = __VERIFIER_nondet_bool() [L1262] ep21 = __VERIFIER_nondet_bool() [L1263] ep23 = __VERIFIER_nondet_bool() [L1264] ep24 = __VERIFIER_nondet_bool() [L1265] ep31 = __VERIFIER_nondet_bool() [L1266] ep32 = __VERIFIER_nondet_bool() [L1267] ep34 = __VERIFIER_nondet_bool() [L1268] ep41 = __VERIFIER_nondet_bool() [L1269] ep42 = __VERIFIER_nondet_bool() [L1270] ep43 = __VERIFIER_nondet_bool() [L1271] id1 = __VERIFIER_nondet_char() [L1272] r1 = __VERIFIER_nondet_uchar() [L1273] st1 = __VERIFIER_nondet_char() [L1274] nl1 = __VERIFIER_nondet_char() [L1275] m1 = __VERIFIER_nondet_char() [L1276] max1 = __VERIFIER_nondet_char() [L1277] mode1 = __VERIFIER_nondet_bool() [L1278] newmax1 = __VERIFIER_nondet_bool() [L1279] id2 = __VERIFIER_nondet_char() [L1280] r2 = __VERIFIER_nondet_uchar() [L1281] st2 = __VERIFIER_nondet_char() [L1282] nl2 = __VERIFIER_nondet_char() [L1283] m2 = __VERIFIER_nondet_char() [L1284] max2 = __VERIFIER_nondet_char() [L1285] mode2 = __VERIFIER_nondet_bool() [L1286] newmax2 = __VERIFIER_nondet_bool() [L1287] id3 = __VERIFIER_nondet_char() [L1288] r3 = __VERIFIER_nondet_uchar() [L1289] st3 = __VERIFIER_nondet_char() [L1290] nl3 = __VERIFIER_nondet_char() [L1291] m3 = __VERIFIER_nondet_char() [L1292] max3 = __VERIFIER_nondet_char() [L1293] mode3 = __VERIFIER_nondet_bool() [L1294] newmax3 = __VERIFIER_nondet_bool() [L1295] id4 = __VERIFIER_nondet_char() [L1296] r4 = __VERIFIER_nondet_uchar() [L1297] st4 = __VERIFIER_nondet_char() [L1298] nl4 = __VERIFIER_nondet_char() [L1299] m4 = __VERIFIER_nondet_char() [L1300] max4 = __VERIFIER_nondet_char() [L1301] mode4 = __VERIFIER_nondet_bool() [L1302] newmax4 = __VERIFIER_nondet_bool() [L1303] CALL, EXPR init() [L425] _Bool r121 ; [L426] _Bool r131 ; [L427] _Bool r141 ; [L428] _Bool r211 ; [L429] _Bool r231 ; [L430] _Bool r241 ; [L431] _Bool r311 ; [L432] _Bool r321 ; [L433] _Bool r341 ; [L434] _Bool r411 ; [L435] _Bool r421 ; [L436] _Bool r431 ; [L437] _Bool r122 ; [L438] int tmp ; [L439] _Bool r132 ; [L440] int tmp___0 ; [L441] _Bool r142 ; [L442] int tmp___1 ; [L443] _Bool r212 ; [L444] int tmp___2 ; [L445] _Bool r232 ; [L446] int tmp___3 ; [L447] _Bool r242 ; [L448] int tmp___4 ; [L449] _Bool r312 ; [L450] int tmp___5 ; [L451] _Bool r322 ; [L452] int tmp___6 ; [L453] _Bool r342 ; [L454] int tmp___7 ; [L455] _Bool r412 ; [L456] int tmp___8 ; [L457] _Bool r422 ; [L458] int tmp___9 ; [L459] _Bool r432 ; [L460] int tmp___10 ; [L461] _Bool r123 ; [L462] int tmp___11 ; [L463] _Bool r133 ; [L464] int tmp___12 ; [L465] _Bool r143 ; [L466] int tmp___13 ; [L467] _Bool r213 ; [L468] int tmp___14 ; [L469] _Bool r233 ; [L470] int tmp___15 ; [L471] _Bool r243 ; [L472] int tmp___16 ; [L473] _Bool r313 ; [L474] int tmp___17 ; [L475] _Bool r323 ; [L476] int tmp___18 ; [L477] _Bool r343 ; [L478] int tmp___19 ; [L479] _Bool r413 ; [L480] int tmp___20 ; [L481] _Bool r423 ; [L482] int tmp___21 ; [L483] _Bool r433 ; [L484] int tmp___22 ; [L485] int tmp___23 ; [L488] r121 = ep12 [L489] r131 = ep13 [L490] r141 = ep14 [L491] r211 = ep21 [L492] r231 = ep23 [L493] r241 = ep24 [L494] r311 = ep31 [L495] r321 = ep32 [L496] r341 = ep34 [L497] r411 = ep41 [L498] r421 = ep42 [L499] r431 = ep43 [L500] COND TRUE \read(r121) [L501] tmp = 1 [L520] r122 = (_Bool )tmp [L521] COND TRUE \read(r131) [L522] tmp___0 = 1 [L541] r132 = (_Bool )tmp___0 [L542] COND TRUE \read(r141) [L543] tmp___1 = 1 [L562] r142 = (_Bool )tmp___1 [L563] COND TRUE \read(r211) [L564] tmp___2 = 1 [L583] r212 = (_Bool )tmp___2 [L584] COND TRUE \read(r231) [L585] tmp___3 = 1 [L604] r232 = (_Bool )tmp___3 [L605] COND TRUE \read(r241) [L606] tmp___4 = 1 [L625] r242 = (_Bool )tmp___4 [L626] COND TRUE \read(r311) [L627] tmp___5 = 1 [L646] r312 = (_Bool )tmp___5 [L647] COND TRUE \read(r321) [L648] tmp___6 = 1 [L667] r322 = (_Bool )tmp___6 [L668] COND TRUE \read(r341) [L669] tmp___7 = 1 [L688] r342 = (_Bool )tmp___7 [L689] COND TRUE \read(r411) [L690] tmp___8 = 1 [L709] r412 = (_Bool )tmp___8 [L710] COND TRUE \read(r421) [L711] tmp___9 = 1 [L730] r422 = (_Bool )tmp___9 [L731] COND TRUE \read(r431) [L732] tmp___10 = 1 [L751] r432 = (_Bool )tmp___10 [L752] COND TRUE \read(r122) [L753] tmp___11 = 1 [L772] r123 = (_Bool )tmp___11 [L773] COND TRUE \read(r132) [L774] tmp___12 = 1 [L793] r133 = (_Bool )tmp___12 [L794] COND TRUE \read(r142) [L795] tmp___13 = 1 [L814] r143 = (_Bool )tmp___13 [L815] COND TRUE \read(r212) [L816] tmp___14 = 1 [L835] r213 = (_Bool )tmp___14 [L836] COND TRUE \read(r232) [L837] tmp___15 = 1 [L856] r233 = (_Bool )tmp___15 [L857] COND TRUE \read(r242) [L858] tmp___16 = 1 [L877] r243 = (_Bool )tmp___16 [L878] COND TRUE \read(r312) [L879] tmp___17 = 1 [L898] r313 = (_Bool )tmp___17 [L899] COND TRUE \read(r322) [L900] tmp___18 = 1 [L919] r323 = (_Bool )tmp___18 [L920] COND TRUE \read(r342) [L921] tmp___19 = 1 [L940] r343 = (_Bool )tmp___19 [L941] COND TRUE \read(r412) [L942] tmp___20 = 1 [L961] r413 = (_Bool )tmp___20 [L962] COND TRUE \read(r422) [L963] tmp___21 = 1 [L982] r423 = (_Bool )tmp___21 [L983] COND TRUE \read(r432) [L984] tmp___22 = 1 [L1003] r433 = (_Bool )tmp___22 [L1004] COND TRUE (int )id1 != (int )id2 [L1005] COND TRUE (int )id1 != (int )id3 [L1006] COND TRUE (int )id1 != (int )id4 [L1007] COND TRUE (int )id2 != (int )id3 [L1008] COND TRUE (int )id2 != (int )id4 [L1009] COND TRUE (int )id3 != (int )id4 [L1010] COND TRUE (int )id1 >= 0 [L1011] COND TRUE (int )id2 >= 0 [L1012] COND TRUE (int )id3 >= 0 [L1013] COND TRUE (int )id4 >= 0 [L1014] COND TRUE (int )r1 == 0 [L1015] COND TRUE (int )r2 == 0 [L1016] COND TRUE (int )r3 == 0 [L1017] COND TRUE (int )r4 == 0 [L1018] COND TRUE \read(r123) [L1019] COND TRUE \read(r133) [L1020] COND TRUE \read(r143) [L1021] COND TRUE \read(r213) [L1022] COND TRUE \read(r233) [L1023] COND TRUE \read(r243) [L1024] COND TRUE \read(r313) [L1025] COND TRUE \read(r323) [L1026] COND TRUE \read(r343) [L1027] COND TRUE \read(r413) [L1028] COND TRUE \read(r423) [L1029] COND TRUE \read(r433) [L1030] COND TRUE (int )max1 == (int )id1 [L1031] COND TRUE (int )max2 == (int )id2 [L1032] COND TRUE (int )max3 == (int )id3 [L1033] COND TRUE (int )max4 == (int )id4 [L1034] COND TRUE (int )st1 == 0 [L1035] COND TRUE (int )st2 == 0 [L1036] COND TRUE (int )st3 == 0 [L1037] COND TRUE (int )st4 == 0 [L1038] COND TRUE (int )nl1 == 0 [L1039] COND TRUE (int )nl2 == 0 [L1040] COND TRUE (int )nl3 == 0 [L1041] COND TRUE (int )nl4 == 0 [L1042] COND TRUE (int )mode1 == 0 [L1043] COND TRUE (int )mode2 == 0 [L1044] COND TRUE (int )mode3 == 0 [L1045] COND TRUE (int )mode4 == 0 [L1046] COND TRUE \read(newmax1) [L1047] COND TRUE \read(newmax2) [L1048] COND TRUE \read(newmax3) [L1049] COND TRUE \read(newmax4) [L1050] tmp___23 = 1 [L1189] return (tmp___23); [L1303] RET, EXPR init() [L1303] i2 = init() [L1305] p12_old = nomsg [L1306] p12_new = nomsg [L1307] p13_old = nomsg [L1308] p13_new = nomsg [L1309] p14_old = nomsg [L1310] p14_new = nomsg [L1311] p21_old = nomsg [L1312] p21_new = nomsg [L1313] p23_old = nomsg [L1314] p23_new = nomsg [L1315] p24_old = nomsg [L1316] p24_new = nomsg [L1317] p31_old = nomsg [L1318] p31_new = nomsg [L1319] p32_old = nomsg [L1320] p32_new = nomsg [L1321] p34_old = nomsg [L1322] p34_new = nomsg [L1323] p41_old = nomsg [L1324] p41_new = nomsg [L1325] p42_old = nomsg [L1326] p42_new = nomsg [L1327] p43_old = nomsg [L1328] p43_new = nomsg [L1329] i2 = 0 [L1330] COND TRUE 1 [L1332] CALL node1() [L153] _Bool newmax ; [L156] newmax = (_Bool)0 [L157] COND FALSE !(\read(mode1)) [L196] COND FALSE !((int )r1 < 3) [L213] mode1 = (_Bool)1 [L1332] RET node1() [L1333] CALL node2() [L220] _Bool newmax ; [L223] newmax = (_Bool)0 [L224] COND FALSE !(\read(mode2)) [L263] COND FALSE !((int )r2 < 3) [L280] mode2 = (_Bool)1 [L1333] RET node2() [L1334] CALL node3() [L287] _Bool newmax ; [L290] newmax = (_Bool)0 [L291] COND FALSE !(\read(mode3)) [L330] COND FALSE !((int )r3 < 3) [L347] mode3 = (_Bool)1 [L1334] RET node3() [L1335] CALL node4() [L354] _Bool newmax ; [L357] newmax = (_Bool)0 [L358] COND FALSE !(\read(mode4)) [L400] COND FALSE !((int )r4 < 3) [L417] mode4 = (_Bool)1 [L1335] RET node4() [L1336] p12_old = p12_new [L1337] p12_new = nomsg [L1338] p13_old = p13_new [L1339] p13_new = nomsg [L1340] p14_old = p14_new [L1341] p14_new = nomsg [L1342] p21_old = p21_new [L1343] p21_new = nomsg [L1344] p23_old = p23_new [L1345] p23_new = nomsg [L1346] p24_old = p24_new [L1347] p24_new = nomsg [L1348] p31_old = p31_new [L1349] p31_new = nomsg [L1350] p32_old = p32_new [L1351] p32_new = nomsg [L1352] p34_old = p34_new [L1353] p34_new = nomsg [L1354] p41_old = p41_new [L1355] p41_new = nomsg [L1356] p42_old = p42_new [L1357] p42_new = nomsg [L1358] p43_old = p43_new [L1359] p43_new = nomsg [L1360] CALL, EXPR check() [L1194] int tmp ; [L1197] COND FALSE !((((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1) [L1247] tmp = 0 [L1249] return (tmp); [L1360] RET, EXPR check() [L1360] c1 = check() [L1361] CALL assert(c1) [L1372] COND TRUE ! arg [L1374] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...