/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_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 07:08:05,116 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 07:08:05,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 07:08:05,131 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 07:08:05,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 07:08:05,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 07:08:05,134 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 07:08:05,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 07:08:05,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 07:08:05,138 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 07:08:05,139 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 07:08:05,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2019-11-07 07:08:05,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 07:08:05,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 07:08:05,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 07:08:05,167 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 07:08:05,185 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 07:08:05,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 07:08:05,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 07:08:05,188 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 07:08:05,189 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 07:08:05,189 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 07:08:05,189 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 07:08:05,189 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 07:08:05,189 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 07:08:05,190 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 07:08:05,190 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 07:08:05,190 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 07:08:05,190 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 07:08:05,190 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 07:08:05,190 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 07:08:05,191 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 07:08:05,191 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 07:08:05,191 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 07:08:05,191 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 07:08:05,191 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 07:08:05,192 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 07:08:05,192 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 07:08:05,192 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 07:08:05,192 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 07:08:05,193 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 07:08:05,193 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 07:08:05,193 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 07:08:05,193 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 07:08:05,193 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 07:08:05,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 07:08:05,482 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 07:08:05,485 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 07:08:05,486 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 07:08:05,487 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 07:08:05,488 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-07 07:08:05,562 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b162e5ce5/926def2776354ef7ad7f108dd5aa0142/FLAG8fd19ffe1 [2019-11-07 07:08:06,080 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 07:08:06,081 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-11-07 07:08:06,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b162e5ce5/926def2776354ef7ad7f108dd5aa0142/FLAG8fd19ffe1 [2019-11-07 07:08:06,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b162e5ce5/926def2776354ef7ad7f108dd5aa0142 [2019-11-07 07:08:06,413 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 07:08:06,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 07:08:06,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:06,416 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 07:08:06,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 07:08:06,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:06" (1/1) ... [2019-11-07 07:08:06,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fd0f0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:06, skipping insertion in model container [2019-11-07 07:08:06,424 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 07:08:06" (1/1) ... [2019-11-07 07:08:06,432 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 07:08:06,508 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 07:08:06,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:06,955 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 07:08:07,036 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 07:08:07,057 INFO L192 MainTranslator]: Completed translation [2019-11-07 07:08:07,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:07 WrapperNode [2019-11-07 07:08:07,057 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 07:08:07,058 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 07:08:07,058 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 07:08:07,058 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 07:08:07,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:07" (1/1) ... [2019-11-07 07:08:07,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:07" (1/1) ... [2019-11-07 07:08:07,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:07" (1/1) ... [2019-11-07 07:08:07,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:07" (1/1) ... [2019-11-07 07:08:07,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:07" (1/1) ... [2019-11-07 07:08:07,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:07" (1/1) ... [2019-11-07 07:08:07,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:07" (1/1) ... [2019-11-07 07:08:07,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 07:08:07,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 07:08:07,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 07:08:07,121 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 07:08:07,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 07:08:07" (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 07:08:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 07:08:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 07:08:07,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 07:08:07,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 07:08:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-11-07 07:08:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-11-07 07:08:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 07:08:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-11-07 07:08:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 07:08:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-11-07 07:08:07,180 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-11-07 07:08:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-11-07 07:08:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-11-07 07:08:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-11-07 07:08:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-11-07 07:08:07,181 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-11-07 07:08:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 07:08:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 07:08:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 07:08:08,038 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 07:08:08,038 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 07:08:08,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:08 BoogieIcfgContainer [2019-11-07 07:08:08,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 07:08:08,041 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 07:08:08,041 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 07:08:08,041 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 07:08:08,042 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 07:08:08" (1/1) ... [2019-11-07 07:08:08,078 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 07:08:08,201 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 07:08:10,545 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 07:08:10,593 INFO L272 AbstractInterpreter]: Visited 247 different actions 2900 times. Merged at 157 different actions 1729 times. Widened at 40 different actions 297 times. Performed 7357 root evaluator evaluations with a maximum evaluation depth of 5. Performed 7357 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 688 fixpoints after 97 different actions. Largest state had 124 variables. [2019-11-07 07:08:10,594 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 07:08:10,596 INFO L168 Benchmark]: Toolchain (without parser) took 4180.52 ms. Allocated memory was 137.9 MB in the beginning and 302.0 MB in the end (delta: 164.1 MB). Free memory was 101.4 MB in the beginning and 264.6 MB in the end (delta: -163.2 MB). Peak memory consumption was 890.3 kB. Max. memory is 7.1 GB. [2019-11-07 07:08:10,597 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 07:08:10,598 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.40 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 174.8 MB in the end (delta: -73.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:10,599 INFO L168 Benchmark]: Boogie Preprocessor took 62.80 ms. Allocated memory is still 201.3 MB. Free memory was 174.8 MB in the beginning and 172.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:10,600 INFO L168 Benchmark]: RCFGBuilder took 918.94 ms. Allocated memory is still 201.3 MB. Free memory was 172.1 MB in the beginning and 116.6 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2019-11-07 07:08:10,601 INFO L168 Benchmark]: Abstract Interpretation took 2553.06 ms. Allocated memory was 201.3 MB in the beginning and 302.0 MB in the end (delta: 100.7 MB). Free memory was 115.9 MB in the beginning and 264.6 MB in the end (delta: -148.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-11-07 07:08:10,606 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 137.9 MB. Free memory was 121.1 MB in the beginning and 120.9 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 641.40 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 100.9 MB in the beginning and 174.8 MB in the end (delta: -73.9 MB). Peak memory consumption was 28.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.80 ms. Allocated memory is still 201.3 MB. Free memory was 174.8 MB in the beginning and 172.1 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 918.94 ms. Allocated memory is still 201.3 MB. Free memory was 172.1 MB in the beginning and 116.6 MB in the end (delta: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2553.06 ms. Allocated memory was 201.3 MB in the beginning and 302.0 MB in the end (delta: 100.7 MB). Free memory was 115.9 MB in the beginning and 264.6 MB in the end (delta: -148.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 377]: 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; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L41] void (*nodes[3])() = { &node1, &node2, &node3 }; [L45] int __return_5979; [L46] int __return_6056; [L47] int __return_6117; [L48] int __return_6183; [L49] int __return_6353; [L52] int main__c1; [L53] int main__i2; [L54] main__c1 = 0 [L55] r1 = __VERIFIER_nondet_uchar() [L56] id1 = __VERIFIER_nondet_char() [L57] st1 = __VERIFIER_nondet_char() [L58] send1 = __VERIFIER_nondet_char() [L59] mode1 = __VERIFIER_nondet_bool() [L60] alive1 = __VERIFIER_nondet_bool() [L61] id2 = __VERIFIER_nondet_char() [L62] st2 = __VERIFIER_nondet_char() [L63] send2 = __VERIFIER_nondet_char() [L64] mode2 = __VERIFIER_nondet_bool() [L65] alive2 = __VERIFIER_nondet_bool() [L66] id3 = __VERIFIER_nondet_char() [L67] st3 = __VERIFIER_nondet_char() [L68] send3 = __VERIFIER_nondet_char() [L69] mode3 = __VERIFIER_nondet_bool() [L70] alive3 = __VERIFIER_nondet_bool() [L72] int init__tmp; [L73] COND TRUE ((int)r1) == 0 [L75] COND TRUE ((((int)alive1) + ((int)alive2)) + ((int)alive3)) >= 1 [L77] COND TRUE ((int)id1) >= 0 [L79] COND TRUE ((int)st1) == 0 [L81] COND TRUE ((int)send1) == ((int)id1) [L83] COND TRUE ((int)mode1) == 0 [L85] COND TRUE ((int)id2) >= 0 [L87] COND TRUE ((int)st2) == 0 [L89] COND TRUE ((int)send2) == ((int)id2) [L91] COND TRUE ((int)mode2) == 0 [L93] COND TRUE ((int)id3) >= 0 [L95] COND TRUE ((int)st3) == 0 [L97] COND TRUE ((int)send3) == ((int)id3) [L99] COND TRUE ((int)mode3) == 0 [L101] COND TRUE ((int)id1) != ((int)id2) [L103] COND TRUE ((int)id1) != ((int)id3) [L105] COND TRUE ((int)id2) != ((int)id3) [L107] init__tmp = 1 [L108] __return_5979 = init__tmp [L109] main__i2 = __return_5979 [L110] COND TRUE main__i2 != 0 [L112] p1_old = nomsg [L113] p1_new = nomsg [L114] p2_old = nomsg [L115] p2_new = nomsg [L116] p3_old = nomsg [L117] p3_new = nomsg [L118] main__i2 = 0 [L120] msg_t node1__m1; [L121] node1__m1 = nomsg [L122] COND FALSE !(!(mode1 == 0)) [L128] COND FALSE !(!(alive1 == 0)) [L139] mode1 = 1 [L141] msg_t node2__m2; [L142] node2__m2 = nomsg [L143] COND FALSE !(!(mode2 == 0)) [L149] COND FALSE !(!(alive2 == 0)) [L907] COND FALSE !(((int)send2) != ((int)id2)) [L160] mode2 = 1 [L162] msg_t node3__m3; [L163] node3__m3 = nomsg [L164] COND FALSE !(!(mode3 == 0)) [L170] COND TRUE !(alive3 == 0) [L172] int node3____CPAchecker_TMP_0; [L173] COND TRUE send3 != nomsg [L175] COND TRUE p3_new == nomsg [L177] node3____CPAchecker_TMP_0 = send3 [L179] p3_new = node3____CPAchecker_TMP_0 [L181] mode3 = 1 [L182] p1_old = p1_new [L183] p1_new = nomsg [L184] p2_old = p2_new [L185] p2_new = nomsg [L186] p3_old = p3_new [L187] p3_new = nomsg [L189] int check__tmp; [L190] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L192] COND TRUE ((int)r1) < 3 [L194] check__tmp = 1 [L195] __return_6056 = check__tmp [L196] main__c1 = __return_6056 [L198] _Bool __tmp_1; [L199] __tmp_1 = main__c1 [L200] _Bool assert__arg; [L201] assert__arg = __tmp_1 [L202] COND FALSE !(assert__arg == 0) [L209] msg_t node1__m1; [L210] node1__m1 = nomsg [L211] COND TRUE !(mode1 == 0) [L213] COND FALSE !(r1 == 255) [L219] r1 = r1 + 1 [L220] node1__m1 = p3_old [L221] p3_old = nomsg [L222] COND TRUE ((int)node1__m1) != ((int)nomsg) [L224] COND TRUE !(alive1 == 0) [L226] COND FALSE !(((int)node1__m1) > ((int)id1)) [L808] COND TRUE ((int)node1__m1) == ((int)id1) [L810] st1 = 1 [L231] mode1 = 0 [L233] msg_t node2__m2; [L234] node2__m2 = nomsg [L235] COND TRUE !(mode2 == 0) [L237] node2__m2 = p1_old [L238] p1_old = nomsg [L239] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L248] mode2 = 0 [L250] msg_t node3__m3; [L251] node3__m3 = nomsg [L252] COND TRUE !(mode3 == 0) [L254] node3__m3 = p2_old [L255] p2_old = nomsg [L256] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L265] mode3 = 0 [L266] p1_old = p1_new [L267] p1_new = nomsg [L268] p2_old = p2_new [L269] p2_new = nomsg [L270] p3_old = p3_new [L271] p3_new = nomsg [L273] int check__tmp; [L274] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L739] check__tmp = 0 [L740] __return_6353 = check__tmp [L741] main__c1 = __return_6353 [L371] _Bool __tmp_3; [L372] __tmp_3 = main__c1 [L373] _Bool assert__arg; [L374] assert__arg = __tmp_3 [L375] COND TRUE assert__arg == 0 [L377] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...