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.5.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:19:23,698 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:19:23,700 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:19:23,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 17:19:23,722 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:19:23,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:19:23,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:19:23,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:19:23,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:19:23,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:19:23,729 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:19:23,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:19:23,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:19:23,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:19:23,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:19:23,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:19:23,738 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:19:23,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:19:23,747 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:19:23,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:19:23,749 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 17:19:23,763 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:19:23,763 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:19:23,764 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:19:23,764 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:19:23,765 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:19:23,765 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:19:23,765 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:19:23,766 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:19:23,766 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:19:23,766 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:19:23,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:19:23,767 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:19:23,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:19:23,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:19:23,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:19:23,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:19:23,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:19:23,768 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:19:23,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:19:23,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:19:23,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:19:23,769 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:19:23,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:19:23,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:19:23,770 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:19:23,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:19:23,770 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:19:23,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:19:23,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:19:23,771 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:19:23,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:19:23,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:19:23,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:19:23,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:19:23,819 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:19:23,820 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-11 17:19:23,885 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45569ca8c/5c5e325a7f0349f9b756e03da7095a10/FLAGf78c5d353 [2019-09-11 17:19:24,417 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:19:24,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr.5.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-11 17:19:24,440 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45569ca8c/5c5e325a7f0349f9b756e03da7095a10/FLAGf78c5d353 [2019-09-11 17:19:24,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/45569ca8c/5c5e325a7f0349f9b756e03da7095a10 [2019-09-11 17:19:24,801 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:19:24,803 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:19:24,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:19:24,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:19:24,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:19:24,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:19:24" (1/1) ... [2019-09-11 17:19:24,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f13492c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:24, skipping insertion in model container [2019-09-11 17:19:24,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:19:24" (1/1) ... [2019-09-11 17:19:24,824 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:19:24,885 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:19:25,250 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:19:25,273 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:19:25,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:19:25,383 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:19:25,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:25 WrapperNode [2019-09-11 17:19:25,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:19:25,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:19:25,385 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:19:25,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:19:25,396 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:25" (1/1) ... [2019-09-11 17:19:25,396 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:25" (1/1) ... [2019-09-11 17:19:25,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:25" (1/1) ... [2019-09-11 17:19:25,409 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:25" (1/1) ... [2019-09-11 17:19:25,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:25" (1/1) ... [2019-09-11 17:19:25,433 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:25" (1/1) ... [2019-09-11 17:19:25,436 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:25" (1/1) ... [2019-09-11 17:19:25,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:19:25,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:19:25,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:19:25,441 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:19:25,442 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:19:25" (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 17:19:25,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:19:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:19:25,494 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:19:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:19:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:19:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:19:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:19:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:19:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:19:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:19:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:19:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:19:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:19:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:19:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:19:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-11 17:19:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:19:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:19:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:19:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:19:25,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:19:26,226 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:19:26,227 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:19:26,229 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:19:26 BoogieIcfgContainer [2019-09-11 17:19:26,229 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:19:26,230 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:19:26,230 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:19:26,232 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:19:26,233 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:19:26" (1/1) ... [2019-09-11 17:19:26,270 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:19:26,409 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:19:29,685 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:19:29,720 INFO L272 AbstractInterpreter]: Visited 169 different actions 3773 times. Merged at 83 different actions 2180 times. Widened at 39 different actions 538 times. Performed 10788 root evaluator evaluations with a maximum evaluation depth of 7. Performed 10788 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 974 fixpoints after 79 different actions. Largest state had 132 variables. [2019-09-11 17:19:29,720 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:19:29,723 INFO L168 Benchmark]: Toolchain (without parser) took 4919.44 ms. Allocated memory was 137.9 MB in the beginning and 328.7 MB in the end (delta: 190.8 MB). Free memory was 89.5 MB in the beginning and 286.0 MB in the end (delta: -196.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:19:29,724 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:19:29,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 576.88 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 89.0 MB in the beginning and 173.5 MB in the end (delta: -84.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:29,726 INFO L168 Benchmark]: Boogie Preprocessor took 56.15 ms. Allocated memory is still 201.9 MB. Free memory was 173.5 MB in the beginning and 170.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:29,727 INFO L168 Benchmark]: RCFGBuilder took 788.17 ms. Allocated memory is still 201.9 MB. Free memory was 170.9 MB in the beginning and 128.5 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:19:29,728 INFO L168 Benchmark]: Abstract Interpretation took 3490.83 ms. Allocated memory was 201.9 MB in the beginning and 328.7 MB in the end (delta: 126.9 MB). Free memory was 128.5 MB in the beginning and 286.0 MB in the end (delta: -157.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:19:29,732 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory is still 108.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 576.88 ms. Allocated memory was 137.9 MB in the beginning and 201.9 MB in the end (delta: 64.0 MB). Free memory was 89.0 MB in the beginning and 173.5 MB in the end (delta: -84.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.15 ms. Allocated memory is still 201.9 MB. Free memory was 173.5 MB in the beginning and 170.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 788.17 ms. Allocated memory is still 201.9 MB. Free memory was 170.9 MB in the beginning and 128.5 MB in the end (delta: 42.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 3490.83 ms. Allocated memory was 201.9 MB in the beginning and 328.7 MB in the end (delta: 126.9 MB). Free memory was 128.5 MB in the beginning and 286.0 MB in the end (delta: -157.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 279]: 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] 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] port_t p3 = 0; [L29] char p3_old = '\x0'; [L30] char p3_new = '\x0'; [L31] char id3 = '\x0'; [L32] char st3 = '\x0'; [L33] msg_t send3 = '\x0'; [L34] _Bool mode3 = 0; [L35] port_t p4 = 0; [L36] char p4_old = '\x0'; [L37] char p4_new = '\x0'; [L38] char id4 = '\x0'; [L39] char st4 = '\x0'; [L40] msg_t send4 = '\x0'; [L41] _Bool mode4 = 0; [L42] port_t p5 = 0; [L43] char p5_old = '\x0'; [L44] char p5_new = '\x0'; [L45] char id5 = '\x0'; [L46] char st5 = '\x0'; [L47] msg_t send5 = '\x0'; [L48] _Bool mode5 = 0; [L54] void (*nodes[5])() = { &node1, &node2, &node3, &node4, &node5 }; [L58] int __return_6147; [L59] int __return_6261; [L62] int main__c1; [L63] int main__i2; [L64] main__c1 = 0 [L65] r1 = __VERIFIER_nondet_uchar() [L66] id1 = __VERIFIER_nondet_char() [L67] st1 = __VERIFIER_nondet_char() [L68] send1 = __VERIFIER_nondet_char() [L69] mode1 = __VERIFIER_nondet_bool() [L70] id2 = __VERIFIER_nondet_char() [L71] st2 = __VERIFIER_nondet_char() [L72] send2 = __VERIFIER_nondet_char() [L73] mode2 = __VERIFIER_nondet_bool() [L74] id3 = __VERIFIER_nondet_char() [L75] st3 = __VERIFIER_nondet_char() [L76] send3 = __VERIFIER_nondet_char() [L77] mode3 = __VERIFIER_nondet_bool() [L78] id4 = __VERIFIER_nondet_char() [L79] st4 = __VERIFIER_nondet_char() [L80] send4 = __VERIFIER_nondet_char() [L81] mode4 = __VERIFIER_nondet_bool() [L82] id5 = __VERIFIER_nondet_char() [L83] st5 = __VERIFIER_nondet_char() [L84] send5 = __VERIFIER_nondet_char() [L85] mode5 = __VERIFIER_nondet_bool() [L87] int init__tmp; [L88] COND TRUE ((int)r1) == 0 [L90] COND TRUE ((int)id1) >= 0 [L92] COND TRUE ((int)st1) == 0 [L94] COND TRUE ((int)send1) == ((int)id1) [L96] COND TRUE ((int)mode1) == 0 [L98] COND TRUE ((int)id2) >= 0 [L100] COND TRUE ((int)st2) == 0 [L102] COND TRUE ((int)send2) == ((int)id2) [L104] COND TRUE ((int)mode2) == 0 [L106] COND TRUE ((int)id3) >= 0 [L108] COND TRUE ((int)st3) == 0 [L110] COND TRUE ((int)send3) == ((int)id3) [L112] COND TRUE ((int)mode3) == 0 [L114] COND TRUE ((int)id4) >= 0 [L116] COND TRUE ((int)st4) == 0 [L118] COND TRUE ((int)send4) == ((int)id4) [L120] COND TRUE ((int)mode4) == 0 [L122] COND TRUE ((int)id5) >= 0 [L124] COND TRUE ((int)st5) == 0 [L126] COND TRUE ((int)send5) == ((int)id5) [L128] COND TRUE ((int)mode5) == 0 [L130] COND TRUE ((int)id1) != ((int)id2) [L132] COND TRUE ((int)id1) != ((int)id3) [L134] COND TRUE ((int)id1) != ((int)id4) [L136] COND TRUE ((int)id1) != ((int)id5) [L138] COND TRUE ((int)id2) != ((int)id3) [L140] COND TRUE ((int)id2) != ((int)id4) [L142] COND TRUE ((int)id2) != ((int)id5) [L144] COND TRUE ((int)id3) != ((int)id4) [L146] COND TRUE ((int)id3) != ((int)id5) [L148] COND TRUE ((int)id4) != ((int)id5) [L150] init__tmp = 1 [L151] __return_6147 = init__tmp [L152] main__i2 = __return_6147 [L153] COND TRUE main__i2 != 0 [L155] p1_old = nomsg [L156] p1_new = nomsg [L157] p2_old = nomsg [L158] p2_new = nomsg [L159] p3_old = nomsg [L160] p3_new = nomsg [L161] p4_old = nomsg [L162] p4_new = nomsg [L163] p5_old = nomsg [L164] p5_new = nomsg [L165] main__i2 = 0 [L168] msg_t node1__m1; [L169] node1__m1 = nomsg [L170] COND FALSE !(!(mode1 == 0)) [L527] int node1____CPAchecker_TMP_0; [L528] COND TRUE send1 != nomsg [L530] COND TRUE p1_new == nomsg [L532] node1____CPAchecker_TMP_0 = send1 [L534] p1_new = node1____CPAchecker_TMP_0 [L535] mode1 = 1 [L188] msg_t node2__m2; [L189] node2__m2 = nomsg [L190] COND TRUE !(mode2 == 0) [L192] node2__m2 = p1_old [L193] p1_old = nomsg [L194] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L200] mode2 = 0 [L203] msg_t node3__m3; [L204] node3__m3 = nomsg [L205] COND TRUE !(mode3 == 0) [L207] node3__m3 = p2_old [L208] p2_old = nomsg [L209] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L215] mode3 = 0 [L218] msg_t node4__m4; [L219] node4__m4 = nomsg [L220] COND TRUE !(mode4 == 0) [L222] node4__m4 = p3_old [L223] p3_old = nomsg [L224] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L230] mode4 = 0 [L233] msg_t node5__m5; [L234] node5__m5 = nomsg [L235] COND TRUE !(mode5 == 0) [L237] node5__m5 = p4_old [L238] p4_old = nomsg [L239] COND FALSE !(((int)node5__m5) != ((int)nomsg)) [L245] mode5 = 0 [L247] p1_old = p1_new [L248] p1_new = nomsg [L249] p2_old = p2_new [L250] p2_new = nomsg [L251] p3_old = p3_new [L252] p3_new = nomsg [L253] p4_old = p4_new [L254] p4_new = nomsg [L255] p5_old = p5_new [L256] p5_new = nomsg [L258] int check__tmp; [L259] COND TRUE ((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) + ((int)st5)) <= 1 [L261] COND TRUE ((int)r1) >= 5 [L264] COND FALSE !(((int)r1) < 5) [L290] COND FALSE !(((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) + ((int)st5)) == 1) [L297] check__tmp = 0 [L270] __return_6261 = check__tmp [L271] main__c1 = __return_6261 [L273] _Bool __tmp_1; [L274] __tmp_1 = main__c1 [L275] _Bool assert__arg; [L276] assert__arg = __tmp_1 [L277] COND TRUE assert__arg == 0 [L279] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...