/usr/bin/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:07:33,580 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:07:33,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:07:33,599 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:07:33,599 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:07:33,601 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:07:33,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:07:33,611 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:07:33,615 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:07:33,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:07:33,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:07:33,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-11-07 07:07:33,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:07:33,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:07:33,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:07:33,658 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 07:07:33,685 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:07:33,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:07:33,686 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:07:33,686 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:07:33,686 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:07:33,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:07:33,687 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:07:33,687 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:07:33,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:07:33,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:07:33,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:07:33,688 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:07:33,688 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:07:33,688 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:07:33,688 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:07:33,688 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:07:33,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:07:33,689 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:07:33,689 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:07:33,689 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:07:33,689 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:07:33,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:07:33,690 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:07:33,690 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:07:33,690 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:07:33,690 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:07:33,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:07:33,690 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:07:33,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 07:07:33,944 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:07:33,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:07:33,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:07:33,966 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:07:33,967 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:07:33,968 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-11-07 07:07:34,041 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f2d8148/829790ebcdd04148919ddf7d696c6276/FLAG276ed3ded [2019-11-07 07:07:34,617 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:07:34,620 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.2.ufo.BOUNDED-6.pals.c.v+lhb-reducer.c [2019-11-07 07:07:34,635 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f2d8148/829790ebcdd04148919ddf7d696c6276/FLAG276ed3ded [2019-11-07 07:07:34,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a1f2d8148/829790ebcdd04148919ddf7d696c6276 [2019-11-07 07:07:34,950 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:07:34,952 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:07:34,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:07:34,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:07:34,956 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:07:34,957 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:34" (1/1) ... [2019-11-07 07:07:34,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27367495 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:34, skipping insertion in model container [2019-11-07 07:07:34,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:07:34" (1/1) ... [2019-11-07 07:07:34,967 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:07:35,025 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:07:35,469 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:07:35,482 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:07:35,607 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:07:35,628 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:07:35,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35 WrapperNode [2019-11-07 07:07:35,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:07:35,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:07:35,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:07:35,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:07:35,639 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,640 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,653 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,675 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (1/1) ... [2019-11-07 07:07:35,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:07:35,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:07:35,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:07:35,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:07:35,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:07:35" (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 [2019-11-07 07:07:35,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:07:35,780 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:07:35,780 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:07:35,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:07:35,780 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 07:07:35,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 07:07:35,781 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 07:07:35,781 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:07:35,781 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 07:07:35,781 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 07:07:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-11-07 07:07:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-11-07 07:07:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-11-07 07:07:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 07:07:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 07:07:35,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:07:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:07:35,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:07:37,119 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:07:37,119 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 07:07:37,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:37 BoogieIcfgContainer [2019-11-07 07:07:37,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:07:37,122 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:07:37,122 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:07:37,122 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:07:37,123 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:07:37" (1/1) ... [2019-11-07 07:07:37,173 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:07:37,354 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 07:07:43,387 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 07:07:43,453 INFO L272 AbstractInterpreter]: Visited 415 different actions 8495 times. Merged at 281 different actions 4567 times. Widened at 80 different actions 707 times. Performed 25336 root evaluator evaluations with a maximum evaluation depth of 5. Performed 25336 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 1968 fixpoints after 168 different actions. Largest state had 191 variables. [2019-11-07 07:07:43,453 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:07:43,456 INFO L168 Benchmark]: Toolchain (without parser) took 8503.12 ms. Allocated memory was 138.9 MB in the beginning and 446.7 MB in the end (delta: 307.8 MB). Free memory was 101.4 MB in the beginning and 164.7 MB in the end (delta: -63.2 MB). Peak memory consumption was 244.5 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:43,457 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-11-07 07:07:43,458 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.96 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 171.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:43,459 INFO L168 Benchmark]: Boogie Preprocessor took 75.45 ms. Allocated memory is still 203.4 MB. Free memory was 171.5 MB in the beginning and 168.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:43,460 INFO L168 Benchmark]: RCFGBuilder took 1416.02 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.1 MB in the beginning and 190.5 MB in the end (delta: -22.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:43,461 INFO L168 Benchmark]: Abstract Interpretation took 6331.82 ms. Allocated memory was 237.0 MB in the beginning and 446.7 MB in the end (delta: 209.7 MB). Free memory was 189.1 MB in the beginning and 164.7 MB in the end (delta: 24.4 MB). Peak memory consumption was 234.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:07:43,466 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 138.9 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.96 ms. Allocated memory was 138.9 MB in the beginning and 203.4 MB in the end (delta: 64.5 MB). Free memory was 101.2 MB in the beginning and 171.5 MB in the end (delta: -70.3 MB). Peak memory consumption was 31.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 75.45 ms. Allocated memory is still 203.4 MB. Free memory was 171.5 MB in the beginning and 168.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1416.02 ms. Allocated memory was 203.4 MB in the beginning and 237.0 MB in the end (delta: 33.6 MB). Free memory was 168.1 MB in the beginning and 190.5 MB in the end (delta: -22.4 MB). Peak memory consumption was 83.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 6331.82 ms. Allocated memory was 237.0 MB in the beginning and 446.7 MB in the end (delta: 209.7 MB). Free memory was 189.1 MB in the beginning and 164.7 MB in the end (delta: 24.4 MB). Peak memory consumption was 234.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 513]: 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] port_t p12 = 0; [L13] char p12_old = '\x0'; [L14] char p12_new = '\x0'; [L15] _Bool ep12 = 0; [L16] port_t p13 = 0; [L17] char p13_old = '\x0'; [L18] char p13_new = '\x0'; [L19] _Bool ep13 = 0; [L20] port_t p21 = 0; [L21] char p21_old = '\x0'; [L22] char p21_new = '\x0'; [L23] _Bool ep21 = 0; [L24] port_t p23 = 0; [L25] char p23_old = '\x0'; [L26] char p23_new = '\x0'; [L27] _Bool ep23 = 0; [L28] port_t p31 = 0; [L29] char p31_old = '\x0'; [L30] char p31_new = '\x0'; [L31] _Bool ep31 = 0; [L32] port_t p32 = 0; [L33] char p32_old = '\x0'; [L34] char p32_new = '\x0'; [L35] _Bool ep32 = 0; [L36] char id1 = '\x0'; [L37] char r1 = '\x0'; [L38] char st1 = '\x0'; [L39] char nl1 = '\x0'; [L40] char m1 = '\x0'; [L41] char max1 = '\x0'; [L42] _Bool mode1 = 0; [L43] char id2 = '\x0'; [L44] char r2 = '\x0'; [L45] char st2 = '\x0'; [L46] char nl2 = '\x0'; [L47] char m2 = '\x0'; [L48] char max2 = '\x0'; [L49] _Bool mode2 = 0; [L50] char id3 = '\x0'; [L51] char r3 = '\x0'; [L52] char st3 = '\x0'; [L53] char nl3 = '\x0'; [L54] char m3 = '\x0'; [L55] char max3 = '\x0'; [L56] _Bool mode3 = 0; [L60] void (*nodes[3])() = { &node1, &node2, &node3 }; [L64] int __return_1131; [L65] int __return_1259; [L66] int __return_1679; [L67] int __return_1378; [L68] int __tmp_1379_0; [L69] int __return_1487; [L70] int __return_1392; [L73] int main__c1; [L74] int main__i2; [L75] main__c1 = 0 [L76] ep12 = __VERIFIER_nondet_bool() [L77] ep13 = __VERIFIER_nondet_bool() [L78] ep21 = __VERIFIER_nondet_bool() [L79] ep23 = __VERIFIER_nondet_bool() [L80] ep31 = __VERIFIER_nondet_bool() [L81] ep32 = __VERIFIER_nondet_bool() [L82] id1 = __VERIFIER_nondet_char() [L83] r1 = __VERIFIER_nondet_char() [L84] st1 = __VERIFIER_nondet_char() [L85] nl1 = __VERIFIER_nondet_char() [L86] m1 = __VERIFIER_nondet_char() [L87] max1 = __VERIFIER_nondet_char() [L88] mode1 = __VERIFIER_nondet_bool() [L89] id2 = __VERIFIER_nondet_char() [L90] r2 = __VERIFIER_nondet_char() [L91] st2 = __VERIFIER_nondet_char() [L92] nl2 = __VERIFIER_nondet_char() [L93] m2 = __VERIFIER_nondet_char() [L94] max2 = __VERIFIER_nondet_char() [L95] mode2 = __VERIFIER_nondet_bool() [L96] id3 = __VERIFIER_nondet_char() [L97] r3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] nl3 = __VERIFIER_nondet_char() [L100] m3 = __VERIFIER_nondet_char() [L101] max3 = __VERIFIER_nondet_char() [L102] mode3 = __VERIFIER_nondet_bool() [L104] _Bool init__r121; [L105] _Bool init__r131; [L106] _Bool init__r211; [L107] _Bool init__r231; [L108] _Bool init__r311; [L109] _Bool init__r321; [L110] _Bool init__r122; [L111] int init__tmp; [L112] _Bool init__r132; [L113] int init__tmp___0; [L114] _Bool init__r212; [L115] int init__tmp___1; [L116] _Bool init__r232; [L117] int init__tmp___2; [L118] _Bool init__r312; [L119] int init__tmp___3; [L120] _Bool init__r322; [L121] int init__tmp___4; [L122] int init__tmp___5; [L123] init__r121 = ep12 [L124] init__r131 = ep13 [L125] init__r211 = ep21 [L126] init__r231 = ep23 [L127] init__r311 = ep31 [L128] init__r321 = ep32 [L129] COND TRUE !(init__r121 == 0) [L131] init__tmp = 1 [L133] init__r122 = (_Bool)init__tmp [L134] COND TRUE !(init__r131 == 0) [L136] init__tmp___0 = 1 [L138] init__r132 = (_Bool)init__tmp___0 [L139] COND TRUE !(init__r211 == 0) [L141] init__tmp___1 = 1 [L143] init__r212 = (_Bool)init__tmp___1 [L144] COND TRUE !(init__r231 == 0) [L146] init__tmp___2 = 1 [L148] init__r232 = (_Bool)init__tmp___2 [L149] COND TRUE !(init__r311 == 0) [L151] init__tmp___3 = 1 [L153] init__r312 = (_Bool)init__tmp___3 [L154] COND TRUE !(init__r321 == 0) [L156] init__tmp___4 = 1 [L158] init__r322 = (_Bool)init__tmp___4 [L159] COND TRUE ((int)id1) != ((int)id2) [L161] COND TRUE ((int)id1) != ((int)id3) [L163] COND TRUE ((int)id2) != ((int)id3) [L165] COND TRUE ((int)id1) >= 0 [L167] COND TRUE ((int)id2) >= 0 [L169] COND TRUE ((int)id3) >= 0 [L171] COND TRUE ((int)r1) == 0 [L173] COND TRUE ((int)r2) == 0 [L175] COND TRUE ((int)r3) == 0 [L177] COND TRUE !(init__r122 == 0) [L179] COND TRUE !(init__r132 == 0) [L181] COND TRUE !(init__r212 == 0) [L183] COND TRUE !(init__r232 == 0) [L185] COND TRUE !(init__r312 == 0) [L187] COND TRUE !(init__r322 == 0) [L189] COND TRUE ((int)max1) == ((int)id1) [L191] COND TRUE ((int)max2) == ((int)id2) [L193] COND TRUE ((int)max3) == ((int)id3) [L195] COND TRUE ((int)st1) == 0 [L197] COND TRUE ((int)st2) == 0 [L199] COND TRUE ((int)st3) == 0 [L201] COND TRUE ((int)nl1) == 0 [L203] COND TRUE ((int)nl2) == 0 [L205] COND TRUE ((int)nl3) == 0 [L207] COND TRUE ((int)mode1) == 0 [L209] COND TRUE ((int)mode2) == 0 [L211] COND TRUE ((int)mode3) == 0 [L213] init__tmp___5 = 1 [L214] __return_1131 = init__tmp___5 [L215] main__i2 = __return_1131 [L216] COND TRUE main__i2 != 0 [L218] p12_old = nomsg [L219] p12_new = nomsg [L220] p13_old = nomsg [L221] p13_new = nomsg [L222] p21_old = nomsg [L223] p21_new = nomsg [L224] p23_old = nomsg [L225] p23_new = nomsg [L226] p31_old = nomsg [L227] p31_new = nomsg [L228] p32_old = nomsg [L229] p32_new = nomsg [L230] main__i2 = 0 [L231] COND TRUE main__i2 < 6 [L234] COND FALSE !(!(mode1 == 0)) [L240] COND TRUE ((int)r1) < 2 [L242] COND FALSE !(!(ep12 == 0)) [L253] COND FALSE !(!(ep13 == 0)) [L264] mode1 = 1 [L266] COND FALSE !(!(mode2 == 0)) [L272] COND TRUE ((int)r2) < 2 [L274] COND FALSE !(!(ep21 == 0)) [L285] COND FALSE !(!(ep23 == 0)) [L296] mode2 = 1 [L298] COND FALSE !(!(mode3 == 0)) [L304] COND TRUE ((int)r3) < 2 [L306] COND FALSE !(!(ep31 == 0)) [L317] COND FALSE !(!(ep32 == 0)) [L328] mode3 = 1 [L329] p12_old = p12_new [L330] p12_new = nomsg [L331] p13_old = p13_new [L332] p13_new = nomsg [L333] p21_old = p21_new [L334] p21_new = nomsg [L335] p23_old = p23_new [L336] p23_new = nomsg [L337] p31_old = p31_new [L338] p31_new = nomsg [L339] p32_old = p32_new [L340] p32_new = nomsg [L342] int check__tmp; [L343] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L345] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L347] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L349] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L351] COND FALSE !(((int)r1) >= 2) [L357] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L359] COND TRUE ((int)r1) < 2 [L361] COND FALSE !(((int)r1) >= 2) [L367] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L369] COND TRUE ((int)r1) < 2 [L371] check__tmp = 1 [L372] __return_1259 = check__tmp [L373] main__c1 = __return_1259 [L375] _Bool __tmp_1; [L376] __tmp_1 = main__c1 [L377] _Bool assert__arg; [L378] assert__arg = __tmp_1 [L379] COND FALSE !(assert__arg == 0) [L385] int main____CPAchecker_TMP_0 = main__i2; [L386] main__i2 = main__i2 + 1 [L387] COND TRUE main__i2 < 6 [L390] COND TRUE !(mode1 == 0) [L392] r1 = (char)(((int)r1) + 1) [L393] COND FALSE !(!(ep21 == 0)) [L401] COND FALSE !(!(ep31 == 0)) [L409] COND TRUE ((int)r1) == 1 [L411] COND TRUE ((int)max1) == ((int)id1) [L413] st1 = 1 [L414] mode1 = 0 [L416] COND TRUE !(mode2 == 0) [L418] r2 = (char)(((int)r2) + 1) [L419] COND FALSE !(!(ep12 == 0)) [L427] COND FALSE !(!(ep32 == 0)) [L435] COND FALSE !(((int)r2) == 2) [L441] mode2 = 0 [L443] COND TRUE !(mode3 == 0) [L445] r3 = (char)(((int)r3) + 1) [L446] COND FALSE !(!(ep13 == 0)) [L454] COND FALSE !(!(ep23 == 0)) [L462] COND FALSE !(((int)r3) == 2) [L468] mode3 = 0 [L469] p12_old = p12_new [L470] p12_new = nomsg [L471] p13_old = p13_new [L472] p13_new = nomsg [L473] p21_old = p21_new [L474] p21_new = nomsg [L475] p23_old = p23_new [L476] p23_new = nomsg [L477] p31_old = p31_new [L478] p31_new = nomsg [L479] p32_old = p32_new [L480] p32_new = nomsg [L482] int check__tmp; [L483] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L485] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L487] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L489] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L491] COND FALSE !(((int)r1) >= 2) [L497] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) == 0) [L503] check__tmp = 0 [L504] __return_1679 = check__tmp [L505] main__c1 = __return_1679 [L507] _Bool __tmp_2; [L508] __tmp_2 = main__c1 [L509] _Bool assert__arg; [L510] assert__arg = __tmp_2 [L511] COND TRUE assert__arg == 0 [L513] __VERIFIER_error() - UnprovableResult [Line: 714]: 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] port_t p12 = 0; [L13] char p12_old = '\x0'; [L14] char p12_new = '\x0'; [L15] _Bool ep12 = 0; [L16] port_t p13 = 0; [L17] char p13_old = '\x0'; [L18] char p13_new = '\x0'; [L19] _Bool ep13 = 0; [L20] port_t p21 = 0; [L21] char p21_old = '\x0'; [L22] char p21_new = '\x0'; [L23] _Bool ep21 = 0; [L24] port_t p23 = 0; [L25] char p23_old = '\x0'; [L26] char p23_new = '\x0'; [L27] _Bool ep23 = 0; [L28] port_t p31 = 0; [L29] char p31_old = '\x0'; [L30] char p31_new = '\x0'; [L31] _Bool ep31 = 0; [L32] port_t p32 = 0; [L33] char p32_old = '\x0'; [L34] char p32_new = '\x0'; [L35] _Bool ep32 = 0; [L36] char id1 = '\x0'; [L37] char r1 = '\x0'; [L38] char st1 = '\x0'; [L39] char nl1 = '\x0'; [L40] char m1 = '\x0'; [L41] char max1 = '\x0'; [L42] _Bool mode1 = 0; [L43] char id2 = '\x0'; [L44] char r2 = '\x0'; [L45] char st2 = '\x0'; [L46] char nl2 = '\x0'; [L47] char m2 = '\x0'; [L48] char max2 = '\x0'; [L49] _Bool mode2 = 0; [L50] char id3 = '\x0'; [L51] char r3 = '\x0'; [L52] char st3 = '\x0'; [L53] char nl3 = '\x0'; [L54] char m3 = '\x0'; [L55] char max3 = '\x0'; [L56] _Bool mode3 = 0; [L60] void (*nodes[3])() = { &node1, &node2, &node3 }; [L64] int __return_1131; [L65] int __return_1259; [L66] int __return_1679; [L67] int __return_1378; [L68] int __tmp_1379_0; [L69] int __return_1487; [L70] int __return_1392; [L73] int main__c1; [L74] int main__i2; [L75] main__c1 = 0 [L76] ep12 = __VERIFIER_nondet_bool() [L77] ep13 = __VERIFIER_nondet_bool() [L78] ep21 = __VERIFIER_nondet_bool() [L79] ep23 = __VERIFIER_nondet_bool() [L80] ep31 = __VERIFIER_nondet_bool() [L81] ep32 = __VERIFIER_nondet_bool() [L82] id1 = __VERIFIER_nondet_char() [L83] r1 = __VERIFIER_nondet_char() [L84] st1 = __VERIFIER_nondet_char() [L85] nl1 = __VERIFIER_nondet_char() [L86] m1 = __VERIFIER_nondet_char() [L87] max1 = __VERIFIER_nondet_char() [L88] mode1 = __VERIFIER_nondet_bool() [L89] id2 = __VERIFIER_nondet_char() [L90] r2 = __VERIFIER_nondet_char() [L91] st2 = __VERIFIER_nondet_char() [L92] nl2 = __VERIFIER_nondet_char() [L93] m2 = __VERIFIER_nondet_char() [L94] max2 = __VERIFIER_nondet_char() [L95] mode2 = __VERIFIER_nondet_bool() [L96] id3 = __VERIFIER_nondet_char() [L97] r3 = __VERIFIER_nondet_char() [L98] st3 = __VERIFIER_nondet_char() [L99] nl3 = __VERIFIER_nondet_char() [L100] m3 = __VERIFIER_nondet_char() [L101] max3 = __VERIFIER_nondet_char() [L102] mode3 = __VERIFIER_nondet_bool() [L104] _Bool init__r121; [L105] _Bool init__r131; [L106] _Bool init__r211; [L107] _Bool init__r231; [L108] _Bool init__r311; [L109] _Bool init__r321; [L110] _Bool init__r122; [L111] int init__tmp; [L112] _Bool init__r132; [L113] int init__tmp___0; [L114] _Bool init__r212; [L115] int init__tmp___1; [L116] _Bool init__r232; [L117] int init__tmp___2; [L118] _Bool init__r312; [L119] int init__tmp___3; [L120] _Bool init__r322; [L121] int init__tmp___4; [L122] int init__tmp___5; [L123] init__r121 = ep12 [L124] init__r131 = ep13 [L125] init__r211 = ep21 [L126] init__r231 = ep23 [L127] init__r311 = ep31 [L128] init__r321 = ep32 [L129] COND TRUE !(init__r121 == 0) [L131] init__tmp = 1 [L133] init__r122 = (_Bool)init__tmp [L134] COND TRUE !(init__r131 == 0) [L136] init__tmp___0 = 1 [L138] init__r132 = (_Bool)init__tmp___0 [L139] COND TRUE !(init__r211 == 0) [L141] init__tmp___1 = 1 [L143] init__r212 = (_Bool)init__tmp___1 [L144] COND TRUE !(init__r231 == 0) [L146] init__tmp___2 = 1 [L148] init__r232 = (_Bool)init__tmp___2 [L149] COND TRUE !(init__r311 == 0) [L151] init__tmp___3 = 1 [L153] init__r312 = (_Bool)init__tmp___3 [L154] COND TRUE !(init__r321 == 0) [L156] init__tmp___4 = 1 [L158] init__r322 = (_Bool)init__tmp___4 [L159] COND TRUE ((int)id1) != ((int)id2) [L161] COND TRUE ((int)id1) != ((int)id3) [L163] COND TRUE ((int)id2) != ((int)id3) [L165] COND TRUE ((int)id1) >= 0 [L167] COND TRUE ((int)id2) >= 0 [L169] COND TRUE ((int)id3) >= 0 [L171] COND TRUE ((int)r1) == 0 [L173] COND TRUE ((int)r2) == 0 [L175] COND TRUE ((int)r3) == 0 [L177] COND TRUE !(init__r122 == 0) [L179] COND TRUE !(init__r132 == 0) [L181] COND TRUE !(init__r212 == 0) [L183] COND TRUE !(init__r232 == 0) [L185] COND TRUE !(init__r312 == 0) [L187] COND TRUE !(init__r322 == 0) [L189] COND TRUE ((int)max1) == ((int)id1) [L191] COND TRUE ((int)max2) == ((int)id2) [L193] COND TRUE ((int)max3) == ((int)id3) [L195] COND TRUE ((int)st1) == 0 [L197] COND TRUE ((int)st2) == 0 [L199] COND TRUE ((int)st3) == 0 [L201] COND TRUE ((int)nl1) == 0 [L203] COND TRUE ((int)nl2) == 0 [L205] COND TRUE ((int)nl3) == 0 [L207] COND TRUE ((int)mode1) == 0 [L209] COND TRUE ((int)mode2) == 0 [L211] COND TRUE ((int)mode3) == 0 [L213] init__tmp___5 = 1 [L214] __return_1131 = init__tmp___5 [L215] main__i2 = __return_1131 [L216] COND TRUE main__i2 != 0 [L218] p12_old = nomsg [L219] p12_new = nomsg [L220] p13_old = nomsg [L221] p13_new = nomsg [L222] p21_old = nomsg [L223] p21_new = nomsg [L224] p23_old = nomsg [L225] p23_new = nomsg [L226] p31_old = nomsg [L227] p31_new = nomsg [L228] p32_old = nomsg [L229] p32_new = nomsg [L230] main__i2 = 0 [L231] COND TRUE main__i2 < 6 [L234] COND FALSE !(!(mode1 == 0)) [L240] COND TRUE ((int)r1) < 2 [L242] COND FALSE !(!(ep12 == 0)) [L253] COND FALSE !(!(ep13 == 0)) [L264] mode1 = 1 [L266] COND FALSE !(!(mode2 == 0)) [L272] COND TRUE ((int)r2) < 2 [L274] COND FALSE !(!(ep21 == 0)) [L285] COND FALSE !(!(ep23 == 0)) [L296] mode2 = 1 [L298] COND FALSE !(!(mode3 == 0)) [L304] COND TRUE ((int)r3) < 2 [L306] COND FALSE !(!(ep31 == 0)) [L317] COND FALSE !(!(ep32 == 0)) [L328] mode3 = 1 [L329] p12_old = p12_new [L330] p12_new = nomsg [L331] p13_old = p13_new [L332] p13_new = nomsg [L333] p21_old = p21_new [L334] p21_new = nomsg [L335] p23_old = p23_new [L336] p23_new = nomsg [L337] p31_old = p31_new [L338] p31_new = nomsg [L339] p32_old = p32_new [L340] p32_new = nomsg [L342] int check__tmp; [L343] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L345] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L347] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L349] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L351] COND FALSE !(((int)r1) >= 2) [L357] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L359] COND TRUE ((int)r1) < 2 [L361] COND FALSE !(((int)r1) >= 2) [L367] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L369] COND TRUE ((int)r1) < 2 [L371] check__tmp = 1 [L372] __return_1259 = check__tmp [L373] main__c1 = __return_1259 [L375] _Bool __tmp_1; [L376] __tmp_1 = main__c1 [L377] _Bool assert__arg; [L378] assert__arg = __tmp_1 [L379] COND FALSE !(assert__arg == 0) [L385] int main____CPAchecker_TMP_0 = main__i2; [L386] main__i2 = main__i2 + 1 [L387] COND TRUE main__i2 < 6 [L390] COND TRUE !(mode1 == 0) [L392] r1 = (char)(((int)r1) + 1) [L393] COND FALSE !(!(ep21 == 0)) [L401] COND FALSE !(!(ep31 == 0)) [L409] COND TRUE ((int)r1) == 1 [L411] COND FALSE !(((int)max1) == ((int)id1)) [L601] nl1 = 1 [L602] mode1 = 0 [L604] COND TRUE !(mode2 == 0) [L606] r2 = (char)(((int)r2) + 1) [L607] COND FALSE !(!(ep12 == 0)) [L615] COND FALSE !(!(ep32 == 0)) [L623] COND FALSE !(((int)r2) == 2) [L629] mode2 = 0 [L631] COND TRUE !(mode3 == 0) [L633] r3 = (char)(((int)r3) + 1) [L634] COND FALSE !(!(ep13 == 0)) [L642] COND FALSE !(!(ep23 == 0)) [L650] COND FALSE !(((int)r3) == 2) [L656] mode3 = 0 [L657] p12_old = p12_new [L658] p12_new = nomsg [L659] p13_old = p13_new [L660] p13_new = nomsg [L661] p21_old = p21_new [L662] p21_new = nomsg [L663] p23_old = p23_new [L664] p23_new = nomsg [L665] p31_old = p31_new [L666] p31_new = nomsg [L667] p32_old = p32_new [L668] p32_new = nomsg [L670] int check__tmp; [L671] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L673] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L675] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L677] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L679] COND FALSE !(((int)r1) >= 2) [L685] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L687] COND TRUE ((int)r1) < 2 [L689] COND FALSE !(((int)r1) >= 2) [L695] COND FALSE !(((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0) [L701] check__tmp = 0 [L702] __return_1378 = check__tmp [L703] main__c1 = __return_1378 [L704] __tmp_1379_0 = main____CPAchecker_TMP_0 [L706] main____CPAchecker_TMP_0 = __tmp_1379_0 [L708] _Bool __tmp_3; [L709] __tmp_3 = main__c1 [L710] _Bool assert__arg; [L711] assert__arg = __tmp_3 [L712] COND TRUE assert__arg == 0 [L714] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...