java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:16:12,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:16:12,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:16:12,589 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:16:12,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:16:12,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:16:12,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:16:12,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:16:12,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:16:12,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:16:12,597 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:16:12,598 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:16:12,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:16:12,600 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:16:12,601 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:16:12,602 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:16:12,603 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:16:12,604 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:16:12,605 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:16:12,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:16:12,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:16:12,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:16:12,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:16:12,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:16:12,614 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:16:12,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:16:12,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:16:12,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:16:12,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:16:12,620 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:16:12,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:16:12,621 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:16:12,621 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:16:12,621 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:16:12,622 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:16:12,623 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:16:12,624 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 17:16:12,639 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:16:12,639 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:16:12,639 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:16:12,639 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:16:12,640 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:16:12,640 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:16:12,640 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:16:12,641 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:16:12,641 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:16:12,641 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:16:12,642 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:16:12,642 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:16:12,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:16:12,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:16:12,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:16:12,643 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:16:12,643 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:16:12,643 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:16:12,643 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:16:12,643 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:16:12,644 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:16:12,644 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:16:12,644 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:16:12,644 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:16:12,645 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:16:12,645 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:16:12,645 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:16:12,645 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:16:12,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:16:12,646 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:16:12,681 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:16:12,695 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:16:12,699 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:16:12,702 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:16:12,703 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:16:12,704 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-11 17:16:12,762 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b82f7898/9ad2fff9db3641c7b48dd37e6933240e/FLAG6efec4acd [2019-09-11 17:16:13,244 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:16:13,245 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.ufo.UNBOUNDED.pals.c.v+cfa-reducer.c [2019-09-11 17:16:13,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b82f7898/9ad2fff9db3641c7b48dd37e6933240e/FLAG6efec4acd [2019-09-11 17:16:13,586 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7b82f7898/9ad2fff9db3641c7b48dd37e6933240e [2019-09-11 17:16:13,598 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:16:13,599 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:16:13,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:16:13,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:16:13,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:16:13,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:16:13" (1/1) ... [2019-09-11 17:16:13,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f59ac88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:13, skipping insertion in model container [2019-09-11 17:16:13,608 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:16:13" (1/1) ... [2019-09-11 17:16:13,615 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:16:13,682 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:16:13,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:16:13,957 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:16:14,108 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:16:14,130 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:16:14,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:14 WrapperNode [2019-09-11 17:16:14,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:16:14,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:16:14,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:16:14,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:16:14,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:14" (1/1) ... [2019-09-11 17:16:14,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:14" (1/1) ... [2019-09-11 17:16:14,158 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:14" (1/1) ... [2019-09-11 17:16:14,159 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:14" (1/1) ... [2019-09-11 17:16:14,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:14" (1/1) ... [2019-09-11 17:16:14,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:14" (1/1) ... [2019-09-11 17:16:14,184 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:14" (1/1) ... [2019-09-11 17:16:14,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:16:14,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:16:14,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:16:14,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:16:14,191 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:16:14" (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 17:16:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:16:14,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:16:14,268 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:16:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:16:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:16:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:16:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:16:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:16:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:16:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:16:14,268 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:16:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:16:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:16:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:16:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:16:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:16:14,269 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:16:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:16:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:16:14,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:16:14,938 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:16:14,938 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:16:14,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:16:14 BoogieIcfgContainer [2019-09-11 17:16:14,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:16:14,941 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:16:14,941 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:16:14,941 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:16:14,942 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:16:14" (1/1) ... [2019-09-11 17:16:14,989 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:16:15,140 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:16:17,563 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:16:17,608 INFO L272 AbstractInterpreter]: Visited 190 different actions 2895 times. Merged at 109 different actions 1669 times. Widened at 37 different actions 253 times. Performed 7404 root evaluator evaluations with a maximum evaluation depth of 6. Performed 7404 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 677 fixpoints after 86 different actions. Largest state had 126 variables. [2019-09-11 17:16:17,608 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:16:17,611 INFO L168 Benchmark]: Toolchain (without parser) took 4010.51 ms. Allocated memory was 136.8 MB in the beginning and 311.4 MB in the end (delta: 174.6 MB). Free memory was 92.1 MB in the beginning and 251.0 MB in the end (delta: -158.9 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:16:17,613 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-11 17:16:17,614 INFO L168 Benchmark]: CACSL2BoogieTranslator took 531.30 ms. Allocated memory was 136.8 MB in the beginning and 203.4 MB in the end (delta: 66.6 MB). Free memory was 91.9 MB in the beginning and 176.9 MB in the end (delta: -85.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:16:17,615 INFO L168 Benchmark]: Boogie Preprocessor took 56.94 ms. Allocated memory is still 203.4 MB. Free memory was 176.9 MB in the beginning and 174.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:16:17,617 INFO L168 Benchmark]: RCFGBuilder took 750.65 ms. Allocated memory is still 203.4 MB. Free memory was 173.9 MB in the beginning and 130.8 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:16:17,618 INFO L168 Benchmark]: Abstract Interpretation took 2667.54 ms. Allocated memory was 203.4 MB in the beginning and 311.4 MB in the end (delta: 108.0 MB). Free memory was 130.2 MB in the beginning and 251.0 MB in the end (delta: -120.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:16:17,625 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 111.4 MB in the beginning and 111.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 531.30 ms. Allocated memory was 136.8 MB in the beginning and 203.4 MB in the end (delta: 66.6 MB). Free memory was 91.9 MB in the beginning and 176.9 MB in the end (delta: -85.0 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.94 ms. Allocated memory is still 203.4 MB. Free memory was 176.9 MB in the beginning and 174.5 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 750.65 ms. Allocated memory is still 203.4 MB. Free memory was 173.9 MB in the beginning and 130.8 MB in the end (delta: 43.1 MB). Peak memory consumption was 43.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 2667.54 ms. Allocated memory was 203.4 MB in the beginning and 311.4 MB in the end (delta: 108.0 MB). Free memory was 130.2 MB in the beginning and 251.0 MB in the end (delta: -120.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 250]: 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; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L50] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L54] int __return_19080; [L55] int __return_19215; [L58] int main__c1; [L59] int main__i2; [L60] main__c1 = 0 [L61] r1 = __VERIFIER_nondet_uchar() [L62] id1 = __VERIFIER_nondet_char() [L63] st1 = __VERIFIER_nondet_char() [L64] send1 = __VERIFIER_nondet_char() [L65] mode1 = __VERIFIER_nondet_bool() [L66] alive1 = __VERIFIER_nondet_bool() [L67] id2 = __VERIFIER_nondet_char() [L68] st2 = __VERIFIER_nondet_char() [L69] send2 = __VERIFIER_nondet_char() [L70] mode2 = __VERIFIER_nondet_bool() [L71] alive2 = __VERIFIER_nondet_bool() [L72] id3 = __VERIFIER_nondet_char() [L73] st3 = __VERIFIER_nondet_char() [L74] send3 = __VERIFIER_nondet_char() [L75] mode3 = __VERIFIER_nondet_bool() [L76] alive3 = __VERIFIER_nondet_bool() [L77] id4 = __VERIFIER_nondet_char() [L78] st4 = __VERIFIER_nondet_char() [L79] send4 = __VERIFIER_nondet_char() [L80] mode4 = __VERIFIER_nondet_bool() [L81] alive4 = __VERIFIER_nondet_bool() [L83] int init__tmp; [L84] COND TRUE ((int)r1) == 0 [L86] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L88] COND TRUE ((int)id1) >= 0 [L90] COND TRUE ((int)st1) == 0 [L92] COND TRUE ((int)send1) == ((int)id1) [L94] COND TRUE ((int)mode1) == 0 [L96] COND TRUE ((int)id2) >= 0 [L98] COND TRUE ((int)st2) == 0 [L100] COND TRUE ((int)send2) == ((int)id2) [L102] COND TRUE ((int)mode2) == 0 [L104] COND TRUE ((int)id3) >= 0 [L106] COND TRUE ((int)st3) == 0 [L108] COND TRUE ((int)send3) == ((int)id3) [L110] COND TRUE ((int)mode3) == 0 [L112] COND TRUE ((int)id4) >= 0 [L114] COND TRUE ((int)st4) == 0 [L116] COND TRUE ((int)send4) == ((int)id4) [L118] COND TRUE ((int)mode4) == 0 [L120] COND TRUE ((int)id1) != ((int)id2) [L122] COND TRUE ((int)id1) != ((int)id3) [L124] COND TRUE ((int)id1) != ((int)id4) [L126] COND TRUE ((int)id2) != ((int)id3) [L128] COND TRUE ((int)id2) != ((int)id4) [L130] COND TRUE ((int)id3) != ((int)id4) [L132] init__tmp = 1 [L133] __return_19080 = init__tmp [L134] main__i2 = __return_19080 [L135] COND TRUE main__i2 != 0 [L137] p1_old = nomsg [L138] p1_new = nomsg [L139] p2_old = nomsg [L140] p2_new = nomsg [L141] p3_old = nomsg [L142] p3_new = nomsg [L143] p4_old = nomsg [L144] p4_new = nomsg [L145] main__i2 = 0 [L148] msg_t node1__m1; [L149] node1__m1 = nomsg [L150] COND FALSE !(!(mode1 == 0)) [L569] COND FALSE !(!(alive1 == 0)) [L597] COND FALSE !(((int)send1) != ((int)id1)) [L580] mode1 = 1 [L171] msg_t node2__m2; [L172] node2__m2 = nomsg [L173] COND TRUE !(mode2 == 0) [L175] node2__m2 = p1_old [L176] p1_old = nomsg [L177] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L186] mode2 = 0 [L189] msg_t node3__m3; [L190] node3__m3 = nomsg [L191] COND TRUE !(mode3 == 0) [L193] node3__m3 = p2_old [L194] p2_old = nomsg [L195] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L204] mode3 = 0 [L207] msg_t node4__m4; [L208] node4__m4 = nomsg [L209] COND TRUE !(mode4 == 0) [L211] node4__m4 = p3_old [L212] p3_old = nomsg [L213] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L222] mode4 = 0 [L224] p1_old = p1_new [L225] p1_new = nomsg [L226] p2_old = p2_new [L227] p2_new = nomsg [L228] p3_old = p3_new [L229] p3_new = nomsg [L230] p4_old = p4_new [L231] p4_new = nomsg [L233] int check__tmp; [L234] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L236] COND FALSE !(((int)r1) < 4) [L261] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 1) [L268] check__tmp = 0 [L241] __return_19215 = check__tmp [L242] main__c1 = __return_19215 [L244] _Bool __tmp_1; [L245] __tmp_1 = main__c1 [L246] _Bool assert__arg; [L247] assert__arg = __tmp_1 [L248] COND TRUE assert__arg == 0 [L250] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...