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.3.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:58:34,437 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:58:34,439 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:58:34,450 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:58:34,451 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:58:34,452 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:58:34,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:58:34,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:58:34,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:58:34,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:58:34,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:58:34,459 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:58:34,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:58:34,461 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:58:34,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:58:34,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:58:34,463 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:58:34,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:58:34,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:58:34,467 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:58:34,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:58:34,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:58:34,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:58:34,471 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:58:34,473 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:58:34,478 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:58:34,479 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:58:34,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:58:34,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:58:34,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:58:34,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:58:34,485 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:58:34,486 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:58:34,486 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:58:34,487 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:58:34,488 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:58:34,489 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 16:58:34,514 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:58:34,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:58:34,515 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:58:34,516 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:58:34,516 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:58:34,517 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:58:34,517 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:58:34,517 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:58:34,517 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:58:34,517 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:58:34,519 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:58:34,520 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:58:34,520 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:58:34,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:58:34,521 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:58:34,521 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:58:34,521 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:58:34,521 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:58:34,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:58:34,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:58:34,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:58:34,522 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:58:34,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:58:34,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:58:34,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:58:34,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:58:34,523 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:58:34,524 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:58:34,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:58:34,524 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:58:34,572 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:58:34,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:58:34,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:58:34,591 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:58:34,592 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:58:34,593 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c [2019-09-11 16:58:34,664 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f75c06d53/484ca2ac247345e49d28a75d3636b6c0/FLAGb82a5439b [2019-09-11 16:58:35,216 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:58:35,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_floodmax.3.1.ufo.UNBOUNDED.pals.c [2019-09-11 16:58:35,227 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f75c06d53/484ca2ac247345e49d28a75d3636b6c0/FLAGb82a5439b [2019-09-11 16:58:35,546 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f75c06d53/484ca2ac247345e49d28a75d3636b6c0 [2019-09-11 16:58:35,556 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:58:35,557 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:58:35,558 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:58:35,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:58:35,562 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:58:35,563 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:58:35" (1/1) ... [2019-09-11 16:58:35,566 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6c23fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:35, skipping insertion in model container [2019-09-11 16:58:35,566 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:58:35" (1/1) ... [2019-09-11 16:58:35,573 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:58:35,610 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:58:35,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:58:35,973 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:58:36,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:58:36,064 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:58:36,064 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:36 WrapperNode [2019-09-11 16:58:36,064 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:58:36,065 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:58:36,065 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:58:36,065 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:58:36,077 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:36" (1/1) ... [2019-09-11 16:58:36,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:36" (1/1) ... [2019-09-11 16:58:36,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:36" (1/1) ... [2019-09-11 16:58:36,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:36" (1/1) ... [2019-09-11 16:58:36,118 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:36" (1/1) ... [2019-09-11 16:58:36,148 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:36" (1/1) ... [2019-09-11 16:58:36,151 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:36" (1/1) ... [2019-09-11 16:58:36,160 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:58:36,161 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:58:36,161 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:58:36,161 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:58:36,162 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:58:36" (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 16:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 16:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 16:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 16:58:36,220 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 16:58:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 16:58:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:58:36,221 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 16:58:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:58:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 16:58:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 16:58:36,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 16:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 16:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 16:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 16:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 16:58:36,222 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 16:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 16:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 16:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 16:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:58:36,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:58:36,971 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:58:36,972 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:58:36,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:58:36 BoogieIcfgContainer [2019-09-11 16:58:36,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:58:36,975 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:58:36,976 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:58:36,976 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:58:36,977 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:58:36" (1/1) ... [2019-09-11 16:58:37,024 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:58:37,177 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:58:44,958 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:58:44,991 INFO L272 AbstractInterpreter]: Visited 240 different actions 9462 times. Merged at 126 different actions 3413 times. Widened at 1 different actions 7 times. Performed 54894 root evaluator evaluations with a maximum evaluation depth of 6. Performed 54894 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 2995 fixpoints after 108 different actions. Largest state had 134 variables. [2019-09-11 16:58:44,992 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:58:44,995 INFO L168 Benchmark]: Toolchain (without parser) took 9436.24 ms. Allocated memory was 143.7 MB in the beginning and 654.3 MB in the end (delta: 510.7 MB). Free memory was 90.9 MB in the beginning and 437.1 MB in the end (delta: -346.2 MB). Peak memory consumption was 164.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:58:44,995 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory is still 109.6 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:58:44,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 506.40 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 90.5 MB in the beginning and 174.9 MB in the end (delta: -84.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:58:44,997 INFO L168 Benchmark]: Boogie Preprocessor took 95.21 ms. Allocated memory is still 203.4 MB. Free memory was 174.9 MB in the beginning and 172.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:58:44,998 INFO L168 Benchmark]: RCFGBuilder took 814.20 ms. Allocated memory is still 203.4 MB. Free memory was 172.1 MB in the beginning and 120.6 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:58:44,999 INFO L168 Benchmark]: Abstract Interpretation took 8016.45 ms. Allocated memory was 203.4 MB in the beginning and 654.3 MB in the end (delta: 450.9 MB). Free memory was 119.8 MB in the beginning and 437.1 MB in the end (delta: -317.3 MB). Peak memory consumption was 133.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:58:45,004 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.7 MB. Free memory is still 109.6 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 506.40 ms. Allocated memory was 143.7 MB in the beginning and 203.4 MB in the end (delta: 59.8 MB). Free memory was 90.5 MB in the beginning and 174.9 MB in the end (delta: -84.4 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.21 ms. Allocated memory is still 203.4 MB. Free memory was 174.9 MB in the beginning and 172.1 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 814.20 ms. Allocated memory is still 203.4 MB. Free memory was 172.1 MB in the beginning and 120.6 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 8016.45 ms. Allocated memory was 203.4 MB in the beginning and 654.3 MB in the end (delta: 450.9 MB). Free memory was 119.8 MB in the beginning and 437.1 MB in the end (delta: -317.3 MB). Peak memory consumption was 133.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 586]: 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 p21 ; [L80] char p21_old ; [L81] char p21_new ; [L82] _Bool ep21 ; [L83] port_t p23 ; [L84] char p23_old ; [L85] char p23_new ; [L86] _Bool ep23 ; [L87] port_t p31 ; [L88] char p31_old ; [L89] char p31_new ; [L90] _Bool ep31 ; [L91] port_t p32 ; [L92] char p32_old ; [L93] char p32_new ; [L94] _Bool ep32 ; [L95] char id1 ; [L96] unsigned char r1 ; [L97] char st1 ; [L98] char nl1 ; [L99] char m1 ; [L100] char max1 ; [L101] _Bool mode1 ; [L102] char id2 ; [L103] unsigned char r2 ; [L104] char st2 ; [L105] char nl2 ; [L106] char m2 ; [L107] char max2 ; [L108] _Bool mode2 ; [L109] char id3 ; [L110] unsigned char r3 ; [L111] char st3 ; [L112] char nl3 ; [L113] char m3 ; [L114] char max3 ; [L115] _Bool mode3 ; [L254] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L508] int c1 ; [L509] int i2 ; [L512] c1 = 0 [L513] ep12 = __VERIFIER_nondet_bool() [L514] ep13 = __VERIFIER_nondet_bool() [L515] ep21 = __VERIFIER_nondet_bool() [L516] ep23 = __VERIFIER_nondet_bool() [L517] ep31 = __VERIFIER_nondet_bool() [L518] ep32 = __VERIFIER_nondet_bool() [L519] id1 = __VERIFIER_nondet_char() [L520] r1 = __VERIFIER_nondet_uchar() [L521] st1 = __VERIFIER_nondet_char() [L522] nl1 = __VERIFIER_nondet_char() [L523] m1 = __VERIFIER_nondet_char() [L524] max1 = __VERIFIER_nondet_char() [L525] mode1 = __VERIFIER_nondet_bool() [L526] id2 = __VERIFIER_nondet_char() [L527] r2 = __VERIFIER_nondet_uchar() [L528] st2 = __VERIFIER_nondet_char() [L529] nl2 = __VERIFIER_nondet_char() [L530] m2 = __VERIFIER_nondet_char() [L531] max2 = __VERIFIER_nondet_char() [L532] mode2 = __VERIFIER_nondet_bool() [L533] id3 = __VERIFIER_nondet_char() [L534] r3 = __VERIFIER_nondet_uchar() [L535] st3 = __VERIFIER_nondet_char() [L536] nl3 = __VERIFIER_nondet_char() [L537] m3 = __VERIFIER_nondet_char() [L538] max3 = __VERIFIER_nondet_char() [L539] mode3 = __VERIFIER_nondet_bool() [L540] CALL, EXPR init() [L257] _Bool r121 ; [L258] _Bool r131 ; [L259] _Bool r211 ; [L260] _Bool r231 ; [L261] _Bool r311 ; [L262] _Bool r321 ; [L263] _Bool r122 ; [L264] int tmp ; [L265] _Bool r132 ; [L266] int tmp___0 ; [L267] _Bool r212 ; [L268] int tmp___1 ; [L269] _Bool r232 ; [L270] int tmp___2 ; [L271] _Bool r312 ; [L272] int tmp___3 ; [L273] _Bool r322 ; [L274] int tmp___4 ; [L275] int tmp___5 ; [L278] r121 = ep12 [L279] r131 = ep13 [L280] r211 = ep21 [L281] r231 = ep23 [L282] r311 = ep31 [L283] r321 = ep32 [L284] COND TRUE \read(r121) [L285] tmp = 1 [L296] r122 = (_Bool )tmp [L297] COND TRUE \read(r131) [L298] tmp___0 = 1 [L309] r132 = (_Bool )tmp___0 [L310] COND TRUE \read(r211) [L311] tmp___1 = 1 [L322] r212 = (_Bool )tmp___1 [L323] COND TRUE \read(r231) [L324] tmp___2 = 1 [L335] r232 = (_Bool )tmp___2 [L336] COND TRUE \read(r311) [L337] tmp___3 = 1 [L348] r312 = (_Bool )tmp___3 [L349] COND TRUE \read(r321) [L350] tmp___4 = 1 [L361] r322 = (_Bool )tmp___4 [L362] COND TRUE (int )id1 != (int )id2 [L363] COND TRUE (int )id1 != (int )id3 [L364] COND TRUE (int )id2 != (int )id3 [L365] COND TRUE (int )id1 >= 0 [L366] COND TRUE (int )id2 >= 0 [L367] COND TRUE (int )id3 >= 0 [L368] COND TRUE (int )r1 == 0 [L369] COND TRUE (int )r2 == 0 [L370] COND TRUE (int )r3 == 0 [L371] COND TRUE (int )max1 == (int )id1 [L372] COND TRUE (int )max2 == (int )id2 [L373] COND TRUE (int )max3 == (int )id3 [L374] COND TRUE (int )st1 == 0 [L375] COND TRUE (int )st2 == 0 [L376] COND TRUE (int )st3 == 0 [L377] COND TRUE (int )nl1 == 0 [L378] COND TRUE (int )nl2 == 0 [L379] COND TRUE (int )nl3 == 0 [L380] COND TRUE (int )mode1 == 0 [L381] COND TRUE (int )mode2 == 0 [L382] COND TRUE (int )mode3 == 0 [L383] tmp___5 = 1 [L447] return (tmp___5); [L540] RET, EXPR init() [L540] i2 = init() [L542] p12_old = nomsg [L543] p12_new = nomsg [L544] p13_old = nomsg [L545] p13_new = nomsg [L546] p21_old = nomsg [L547] p21_new = nomsg [L548] p23_old = nomsg [L549] p23_new = nomsg [L550] p31_old = nomsg [L551] p31_new = nomsg [L552] p32_old = nomsg [L553] p32_new = nomsg [L554] i2 = 0 [L555] COND TRUE 1 [L557] CALL node1() [L121] COND FALSE !(\read(mode1)) [L149] COND FALSE !((int )r1 < 2) [L157] mode1 = (_Bool)1 [L557] RET node1() [L558] CALL node2() [L167] COND FALSE !(\read(mode2)) [L195] COND FALSE !((int )r2 < 2) [L203] mode2 = (_Bool)1 [L558] RET node2() [L559] CALL node3() [L213] COND FALSE !(\read(mode3)) [L241] COND FALSE !((int )r3 < 2) [L249] mode3 = (_Bool)1 [L559] RET node3() [L560] p12_old = p12_new [L561] p12_new = nomsg [L562] p13_old = p13_new [L563] p13_new = nomsg [L564] p21_old = p21_new [L565] p21_new = nomsg [L566] p23_old = p23_new [L567] p23_new = nomsg [L568] p31_old = p31_new [L569] p31_new = nomsg [L570] p32_old = p32_new [L571] p32_new = nomsg [L572] CALL, EXPR check() [L452] int tmp ; [L455] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L501] tmp = 0 [L503] return (tmp); [L572] RET, EXPR check() [L572] c1 = check() [L573] CALL assert(c1) [L584] COND TRUE ! arg [L586] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...