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_lcr.3.1.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:04:11,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:04:11,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:04:11,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:04:11,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:04:11,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:04:11,336 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:04:11,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:04:11,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:04:11,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:04:11,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:04:11,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:04:11,342 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:04:11,343 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:04:11,344 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:04:11,345 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:04:11,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:04:11,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:04:11,348 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:04:11,350 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:04:11,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:04:11,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:04:11,354 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:04:11,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:04:11,357 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:04:11,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:04:11,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:04:11,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:04:11,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:04:11,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:04:11,363 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:04:11,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:04:11,364 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:04:11,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:04:11,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:04:11,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:04:11,366 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 17:04:11,381 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:04:11,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:04:11,381 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:04:11,382 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:04:11,383 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:04:11,383 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:04:11,384 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:04:11,384 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:04:11,384 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:04:11,384 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:04:11,385 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:04:11,385 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:04:11,386 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:04:11,386 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:04:11,386 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:04:11,387 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:04:11,387 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:04:11,387 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:04:11,387 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:04:11,387 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:04:11,388 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:04:11,388 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:04:11,388 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:04:11,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:04:11,389 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:04:11,389 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:04:11,389 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:04:11,389 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:04:11,390 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:04:11,390 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:04:11,435 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:04:11,448 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:04:11,450 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:04:11,451 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:04:11,452 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:04:11,452 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.3.1.ufo.BOUNDED-6.pals.c [2019-09-11 17:04:11,517 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/636749e96/e8dade5599a24c4ca45025990728d954/FLAGfa01f2749 [2019-09-11 17:04:11,993 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:04:11,994 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.3.1.ufo.BOUNDED-6.pals.c [2019-09-11 17:04:12,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/636749e96/e8dade5599a24c4ca45025990728d954/FLAGfa01f2749 [2019-09-11 17:04:12,369 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/636749e96/e8dade5599a24c4ca45025990728d954 [2019-09-11 17:04:12,382 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:04:12,383 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:04:12,389 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:12,389 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:04:12,392 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:04:12,393 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:12" (1/1) ... [2019-09-11 17:04:12,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e2051b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12, skipping insertion in model container [2019-09-11 17:04:12,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:12" (1/1) ... [2019-09-11 17:04:12,404 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:04:12,457 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:04:12,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:12,699 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:04:12,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:12,862 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:04:12,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12 WrapperNode [2019-09-11 17:04:12,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:12,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:04:12,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:04:12,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:04:12,874 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12" (1/1) ... [2019-09-11 17:04:12,874 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12" (1/1) ... [2019-09-11 17:04:12,882 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12" (1/1) ... [2019-09-11 17:04:12,882 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12" (1/1) ... [2019-09-11 17:04:12,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12" (1/1) ... [2019-09-11 17:04:12,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12" (1/1) ... [2019-09-11 17:04:12,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12" (1/1) ... [2019-09-11 17:04:12,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:04:12,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:04:12,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:04:12,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:04:12,908 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:12" (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 17:04:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:04:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:04:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:04:12,961 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:04:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:04:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:04:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:04:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:04:12,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:04:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:04:12,962 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:04:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:04:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:04:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:04:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:04:12,963 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:04:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:04:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:04:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:04:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:04:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:04:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:04:12,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:04:12,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:04:13,480 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:04:13,481 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:04:13,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:13 BoogieIcfgContainer [2019-09-11 17:04:13,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:04:13,483 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:04:13,483 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:04:13,483 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:04:13,484 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:13" (1/1) ... [2019-09-11 17:04:13,519 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:04:13,682 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:04:16,037 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:04:16,091 INFO L272 AbstractInterpreter]: Visited 125 different actions 2836 times. Merged at 40 different actions 1068 times. Widened at 1 different actions 7 times. Performed 13747 root evaluator evaluations with a maximum evaluation depth of 6. Performed 13747 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 495 fixpoints after 32 different actions. Largest state had 75 variables. [2019-09-11 17:04:16,091 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:04:16,094 INFO L168 Benchmark]: Toolchain (without parser) took 3709.98 ms. Allocated memory was 141.6 MB in the beginning and 324.5 MB in the end (delta: 183.0 MB). Free memory was 88.7 MB in the beginning and 236.1 MB in the end (delta: -147.4 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:16,098 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:04:16,100 INFO L168 Benchmark]: CACSL2BoogieTranslator took 474.59 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 88.5 MB in the beginning and 176.5 MB in the end (delta: -88.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:16,101 INFO L168 Benchmark]: Boogie Preprocessor took 42.68 ms. Allocated memory is still 200.8 MB. Free memory was 176.5 MB in the beginning and 174.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:16,103 INFO L168 Benchmark]: RCFGBuilder took 575.82 ms. Allocated memory is still 200.8 MB. Free memory was 174.1 MB in the beginning and 144.5 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:16,104 INFO L168 Benchmark]: Abstract Interpretation took 2608.46 ms. Allocated memory was 200.8 MB in the beginning and 324.5 MB in the end (delta: 123.7 MB). Free memory was 144.5 MB in the beginning and 236.1 MB in the end (delta: -91.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:16,108 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 141.6 MB. Free memory was 108.0 MB in the beginning and 107.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 474.59 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 88.5 MB in the beginning and 176.5 MB in the end (delta: -88.0 MB). Peak memory consumption was 21.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.68 ms. Allocated memory is still 200.8 MB. Free memory was 176.5 MB in the beginning and 174.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 575.82 ms. Allocated memory is still 200.8 MB. Free memory was 174.1 MB in the beginning and 144.5 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2608.46 ms. Allocated memory was 200.8 MB in the beginning and 324.5 MB in the end (delta: 123.7 MB). Free memory was 144.5 MB in the beginning and 236.1 MB in the end (delta: -91.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 328]: 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] char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] port_t p2 ; [L80] char p2_old ; [L81] char p2_new ; [L82] char id2 ; [L83] char st2 ; [L84] msg_t send2 ; [L85] _Bool mode2 ; [L86] port_t p3 ; [L87] char p3_old ; [L88] char p3_new ; [L89] char id3 ; [L90] char st3 ; [L91] msg_t send3 ; [L92] _Bool mode3 ; [L171] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L275] int c1 ; [L276] int i2 ; [L279] c1 = 0 [L280] r1 = __VERIFIER_nondet_char() [L281] id1 = __VERIFIER_nondet_char() [L282] st1 = __VERIFIER_nondet_char() [L283] send1 = __VERIFIER_nondet_char() [L284] mode1 = __VERIFIER_nondet_bool() [L285] id2 = __VERIFIER_nondet_char() [L286] st2 = __VERIFIER_nondet_char() [L287] send2 = __VERIFIER_nondet_char() [L288] mode2 = __VERIFIER_nondet_bool() [L289] id3 = __VERIFIER_nondet_char() [L290] st3 = __VERIFIER_nondet_char() [L291] send3 = __VERIFIER_nondet_char() [L292] mode3 = __VERIFIER_nondet_bool() [L293] CALL, EXPR init() [L174] int tmp ; [L177] COND TRUE (int )r1 == 0 [L178] COND TRUE (int )id1 >= 0 [L179] COND TRUE (int )st1 == 0 [L180] COND TRUE (int )send1 == (int )id1 [L181] COND TRUE (int )mode1 == 0 [L182] COND TRUE (int )id2 >= 0 [L183] COND TRUE (int )st2 == 0 [L184] COND TRUE (int )send2 == (int )id2 [L185] COND TRUE (int )mode2 == 0 [L186] COND TRUE (int )id3 >= 0 [L187] COND TRUE (int )st3 == 0 [L188] COND TRUE (int )send3 == (int )id3 [L189] COND TRUE (int )mode3 == 0 [L190] COND TRUE (int )id1 != (int )id2 [L191] COND TRUE (int )id1 != (int )id3 [L192] COND TRUE (int )id2 != (int )id3 [L193] tmp = 1 [L242] return (tmp); [L293] RET, EXPR init() [L293] i2 = init() [L295] p1_old = nomsg [L296] p1_new = nomsg [L297] p2_old = nomsg [L298] p2_new = nomsg [L299] p3_old = nomsg [L300] p3_new = nomsg [L301] i2 = 0 [L302] COND TRUE i2 < 6 [L304] CALL node1() [L95] msg_t m1 ; [L98] m1 = nomsg [L99] COND FALSE !(\read(mode1)) [L115] EXPR send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L115] p1_new = send1 != nomsg && p1_new == nomsg ? send1 : p1_new [L116] mode1 = (_Bool)1 [L304] RET node1() [L305] CALL node2() [L123] msg_t m2 ; [L126] m2 = nomsg [L127] COND TRUE \read(mode2) [L128] m2 = p1_old [L129] p1_old = nomsg [L130] COND FALSE !((int )m2 != (int )nomsg) [L138] mode2 = (_Bool)0 [L305] RET node2() [L306] CALL node3() [L148] msg_t m3 ; [L151] m3 = nomsg [L152] COND TRUE \read(mode3) [L153] m3 = p2_old [L154] p2_old = nomsg [L155] COND FALSE !((int )m3 != (int )nomsg) [L163] mode3 = (_Bool)0 [L306] RET node3() [L307] p1_old = p1_new [L308] p1_new = nomsg [L309] p2_old = p2_new [L310] p2_new = nomsg [L311] p3_old = p3_new [L312] p3_new = nomsg [L313] CALL, EXPR check() [L247] int tmp ; [L250] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L268] tmp = 0 [L270] return (tmp); [L313] RET, EXPR check() [L313] c1 = check() [L314] CALL assert(c1) [L326] COND TRUE ! arg [L328] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...