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-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:15:36,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:15:36,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:15:36,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:15:36,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:15:36,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:15:36,456 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:15:36,458 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:15:36,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:15:36,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:15:36,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:15:36,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:15:36,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:15:36,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:15:36,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:15:36,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:15:36,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:15:36,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:15:36,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:15:36,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:15:36,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:15:36,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:15:36,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:15:36,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:15:36,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 17:15:36,482 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 17:15:36,482 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 17:15:36,483 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 17:15:36,484 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 17:15:36,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 17:15:36,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:15:36,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:15:36,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:15:36,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:15:36,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:15:36,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:15:36,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:15:36,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:15:36,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:15:36,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:15:36,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:15:36,499 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 17:15:36,519 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:15:36,519 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:15:36,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:15:36,520 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:15:36,520 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:15:36,521 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:15:36,521 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:15:36,521 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:15:36,522 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:15:36,522 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:15:36,523 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:15:36,523 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:15:36,523 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:15:36,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:15:36,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:15:36,524 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:15:36,524 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:15:36,525 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:15:36,525 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:15:36,526 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:15:36,526 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:15:36,526 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:15:36,526 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:15:36,527 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:15:36,527 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:15:36,527 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:15:36,527 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:15:36,528 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:15:36,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:15:36,528 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:15:36,583 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:15:36,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:15:36,602 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:15:36,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:15:36,604 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:15:36,605 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-11 17:15:36,662 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52e570cf4/b1563e0a613c4a288507172c562072bf/FLAG1b96f2d8f [2019-09-11 17:15:37,127 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:15:37,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.BOUNDED-8.pals.c.v+cfa-reducer.c [2019-09-11 17:15:37,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52e570cf4/b1563e0a613c4a288507172c562072bf/FLAG1b96f2d8f [2019-09-11 17:15:37,491 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/52e570cf4/b1563e0a613c4a288507172c562072bf [2019-09-11 17:15:37,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:15:37,501 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:15:37,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:15:37,502 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:15:37,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:15:37,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:15:37" (1/1) ... [2019-09-11 17:15:37,509 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@483b2cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:37, skipping insertion in model container [2019-09-11 17:15:37,509 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:15:37" (1/1) ... [2019-09-11 17:15:37,517 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:15:37,575 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:15:37,912 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:15:37,931 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:15:38,001 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:15:38,026 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:15:38,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:38 WrapperNode [2019-09-11 17:15:38,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:15:38,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:15:38,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:15:38,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:15:38,042 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:38" (1/1) ... [2019-09-11 17:15:38,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:38" (1/1) ... [2019-09-11 17:15:38,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:38" (1/1) ... [2019-09-11 17:15:38,055 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:38" (1/1) ... [2019-09-11 17:15:38,082 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:38" (1/1) ... [2019-09-11 17:15:38,093 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:38" (1/1) ... [2019-09-11 17:15:38,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:38" (1/1) ... [2019-09-11 17:15:38,101 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:15:38,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:15:38,102 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:15:38,102 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:15:38,103 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:38" (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 17:15:38,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:15:38,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:15:38,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:15:38,152 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:15:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:15:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:15:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:15:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:15:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:15:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:15:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:15:38,153 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:15:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:15:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:15:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:15:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:15:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:15:38,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:15:38,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:15:38,823 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:15:38,824 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:15:38,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:15:38 BoogieIcfgContainer [2019-09-11 17:15:38,825 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:15:38,826 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:15:38,826 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:15:38,827 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:15:38,828 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:15:38" (1/1) ... [2019-09-11 17:15:38,867 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:15:39,014 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:15:41,225 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:15:41,273 INFO L272 AbstractInterpreter]: Visited 180 different actions 2934 times. Merged at 106 different actions 1729 times. Widened at 39 different actions 282 times. Performed 7314 root evaluator evaluations with a maximum evaluation depth of 6. Performed 7314 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 676 fixpoints after 73 different actions. Largest state had 128 variables. [2019-09-11 17:15:41,274 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:15:41,277 INFO L168 Benchmark]: Toolchain (without parser) took 3774.56 ms. Allocated memory was 135.3 MB in the beginning and 255.3 MB in the end (delta: 120.1 MB). Free memory was 90.8 MB in the beginning and 93.4 MB in the end (delta: -2.5 MB). Peak memory consumption was 117.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:41,278 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:15:41,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.04 ms. Allocated memory was 135.3 MB in the beginning and 202.4 MB in the end (delta: 67.1 MB). Free memory was 90.6 MB in the beginning and 174.1 MB in the end (delta: -83.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:41,280 INFO L168 Benchmark]: Boogie Preprocessor took 74.01 ms. Allocated memory is still 202.4 MB. Free memory was 174.1 MB in the beginning and 171.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:41,282 INFO L168 Benchmark]: RCFGBuilder took 723.85 ms. Allocated memory is still 202.4 MB. Free memory was 171.3 MB in the beginning and 129.2 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:41,284 INFO L168 Benchmark]: Abstract Interpretation took 2447.51 ms. Allocated memory was 202.4 MB in the beginning and 255.3 MB in the end (delta: 53.0 MB). Free memory was 129.2 MB in the beginning and 93.4 MB in the end (delta: 35.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:41,293 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 135.3 MB. Free memory was 109.7 MB in the beginning and 109.5 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 525.04 ms. Allocated memory was 135.3 MB in the beginning and 202.4 MB in the end (delta: 67.1 MB). Free memory was 90.6 MB in the beginning and 174.1 MB in the end (delta: -83.5 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 74.01 ms. Allocated memory is still 202.4 MB. Free memory was 174.1 MB in the beginning and 171.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 723.85 ms. Allocated memory is still 202.4 MB. Free memory was 171.3 MB in the beginning and 129.2 MB in the end (delta: 42.1 MB). Peak memory consumption was 42.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2447.51 ms. Allocated memory was 202.4 MB in the beginning and 255.3 MB in the end (delta: 53.0 MB). Free memory was 129.2 MB in the beginning and 93.4 MB in the end (delta: 35.8 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 248]: 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: [L1] int __return_main; [L11] msg_t nomsg = (msg_t )-1; [L12] char r1 = '\x0'; [L13] port_t p1 = 0; [L14] char p1_old = '\x0'; [L15] char p1_new = '\x0'; [L16] char id1 = '\x0'; [L17] char st1 = '\x0'; [L18] msg_t send1 = '\x0'; [L19] _Bool mode1 = 0; [L20] _Bool alive1 = 0; [L21] port_t p2 = 0; [L22] char p2_old = '\x0'; [L23] char p2_new = '\x0'; [L24] char id2 = '\x0'; [L25] char st2 = '\x0'; [L26] msg_t send2 = '\x0'; [L27] _Bool mode2 = 0; [L28] _Bool alive2 = 0; [L29] port_t p3 = 0; [L30] char p3_old = '\x0'; [L31] char p3_new = '\x0'; [L32] char id3 = '\x0'; [L33] char st3 = '\x0'; [L34] msg_t send3 = '\x0'; [L35] _Bool mode3 = 0; [L36] _Bool alive3 = 0; [L37] port_t p4 = 0; [L38] char p4_old = '\x0'; [L39] char p4_new = '\x0'; [L40] char id4 = '\x0'; [L41] char st4 = '\x0'; [L42] msg_t send4 = '\x0'; [L43] _Bool mode4 = 0; [L44] _Bool alive4 = 0; [L49] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L53] int __return_10449; [L54] int __return_10575; [L55] int __return_10661; [L58] int main__c1; [L59] int main__i2; [L60] main__c1 = 0 [L61] r1 = __VERIFIER_nondet_char() [L62] id1 = __VERIFIER_nondet_char() [L63] st1 = __VERIFIER_nondet_char() [L64] send1 = __VERIFIER_nondet_char() [L65] mode1 = __VERIFIER_nondet_bool() [L66] alive1 = __VERIFIER_nondet_bool() [L67] id2 = __VERIFIER_nondet_char() [L68] st2 = __VERIFIER_nondet_char() [L69] send2 = __VERIFIER_nondet_char() [L70] mode2 = __VERIFIER_nondet_bool() [L71] alive2 = __VERIFIER_nondet_bool() [L72] id3 = __VERIFIER_nondet_char() [L73] st3 = __VERIFIER_nondet_char() [L74] send3 = __VERIFIER_nondet_char() [L75] mode3 = __VERIFIER_nondet_bool() [L76] alive3 = __VERIFIER_nondet_bool() [L77] id4 = __VERIFIER_nondet_char() [L78] st4 = __VERIFIER_nondet_char() [L79] send4 = __VERIFIER_nondet_char() [L80] mode4 = __VERIFIER_nondet_bool() [L81] alive4 = __VERIFIER_nondet_bool() [L83] int init__tmp; [L84] COND TRUE ((int)r1) == 0 [L86] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L88] COND TRUE ((int)id1) >= 0 [L90] COND TRUE ((int)st1) == 0 [L92] COND TRUE ((int)send1) == ((int)id1) [L94] COND TRUE ((int)mode1) == 0 [L96] COND TRUE ((int)id2) >= 0 [L98] COND TRUE ((int)st2) == 0 [L100] COND TRUE ((int)send2) == ((int)id2) [L102] COND TRUE ((int)mode2) == 0 [L104] COND TRUE ((int)id3) >= 0 [L106] COND TRUE ((int)st3) == 0 [L108] COND TRUE ((int)send3) == ((int)id3) [L110] COND TRUE ((int)mode3) == 0 [L112] COND TRUE ((int)id4) >= 0 [L114] COND TRUE ((int)st4) == 0 [L116] COND TRUE ((int)send4) == ((int)id4) [L118] COND TRUE ((int)mode4) == 0 [L120] COND TRUE ((int)id1) != ((int)id2) [L122] COND TRUE ((int)id1) != ((int)id3) [L124] COND TRUE ((int)id1) != ((int)id4) [L126] COND TRUE ((int)id2) != ((int)id3) [L128] COND TRUE ((int)id2) != ((int)id4) [L130] COND TRUE ((int)id3) != ((int)id4) [L132] init__tmp = 1 [L133] __return_10449 = init__tmp [L134] main__i2 = __return_10449 [L135] COND TRUE main__i2 != 0 [L137] p1_old = nomsg [L138] p1_new = nomsg [L139] p2_old = nomsg [L140] p2_new = nomsg [L141] p3_old = nomsg [L142] p3_new = nomsg [L143] p4_old = nomsg [L144] p4_new = nomsg [L145] main__i2 = 0 [L147] COND TRUE main__i2 < 8 [L150] msg_t node1__m1; [L151] node1__m1 = nomsg [L152] COND TRUE !(mode1 == 0) [L154] r1 = (char)(((int)r1) + 1) [L155] node1__m1 = p4_old [L156] p4_old = nomsg [L157] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L166] mode1 = 0 [L169] msg_t node2__m2; [L170] node2__m2 = nomsg [L171] COND TRUE !(mode2 == 0) [L173] node2__m2 = p1_old [L174] p1_old = nomsg [L175] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L184] mode2 = 0 [L187] msg_t node3__m3; [L188] node3__m3 = nomsg [L189] COND TRUE !(mode3 == 0) [L191] node3__m3 = p2_old [L192] p2_old = nomsg [L193] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L202] mode3 = 0 [L205] msg_t node4__m4; [L206] node4__m4 = nomsg [L207] COND TRUE !(mode4 == 0) [L209] node4__m4 = p3_old [L210] p3_old = nomsg [L211] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L220] mode4 = 0 [L222] p1_old = p1_new [L223] p1_new = nomsg [L224] p2_old = p2_new [L225] p2_new = nomsg [L226] p3_old = p3_new [L227] p3_new = nomsg [L228] p4_old = p4_new [L229] p4_new = nomsg [L231] int check__tmp; [L232] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L234] COND TRUE ((int)r1) < 4 [L236] check__tmp = 1 [L239] __return_10575 = check__tmp [L240] main__c1 = __return_10575 [L242] _Bool __tmp_1; [L243] __tmp_1 = main__c1 [L244] _Bool assert__arg; [L245] assert__arg = __tmp_1 [L246] COND FALSE !(assert__arg == 0) [L253] int main____CPAchecker_TMP_0 = main__i2; [L254] main__i2 = main__i2 + 1 [L147] COND TRUE main__i2 < 8 [L150] msg_t node1__m1; [L151] node1__m1 = nomsg [L152] COND TRUE !(mode1 == 0) [L154] r1 = (char)(((int)r1) + 1) [L155] node1__m1 = p4_old [L156] p4_old = nomsg [L157] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L166] mode1 = 0 [L169] msg_t node2__m2; [L170] node2__m2 = nomsg [L171] COND TRUE !(mode2 == 0) [L173] node2__m2 = p1_old [L174] p1_old = nomsg [L175] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L184] mode2 = 0 [L187] msg_t node3__m3; [L188] node3__m3 = nomsg [L189] COND TRUE !(mode3 == 0) [L191] node3__m3 = p2_old [L192] p2_old = nomsg [L193] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L202] mode3 = 0 [L205] msg_t node4__m4; [L206] node4__m4 = nomsg [L207] COND TRUE !(mode4 == 0) [L209] node4__m4 = p3_old [L210] p3_old = nomsg [L211] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L220] mode4 = 0 [L222] p1_old = p1_new [L223] p1_new = nomsg [L224] p2_old = p2_new [L225] p2_new = nomsg [L226] p3_old = p3_new [L227] p3_new = nomsg [L228] p4_old = p4_new [L229] p4_new = nomsg [L231] int check__tmp; [L232] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L234] COND FALSE !(((int)r1) < 4) [L261] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 1) [L268] check__tmp = 0 [L239] __return_10575 = check__tmp [L240] main__c1 = __return_10575 [L242] _Bool __tmp_1; [L243] __tmp_1 = main__c1 [L244] _Bool assert__arg; [L245] assert__arg = __tmp_1 [L246] COND TRUE assert__arg == 0 [L248] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...