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_floodmax.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:11:11,592 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:11:11,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:11:11,607 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:11:11,608 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:11:11,609 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:11:11,612 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:11:11,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:11:11,627 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:11:11,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:11:11,629 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:11:11,630 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:11:11,631 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:11:11,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:11:11,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:11:11,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:11:11,634 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:11:11,635 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:11:11,637 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:11:11,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:11:11,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:11:11,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:11:11,643 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:11:11,644 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:11:11,646 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:11:11,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:11:11,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:11:11,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:11:11,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:11:11,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:11:11,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:11:11,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:11:11,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:11:11,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:11:11,654 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:11:11,655 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:11:11,656 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 17:11:11,678 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:11:11,679 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:11:11,679 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:11:11,679 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:11:11,680 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:11:11,680 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:11:11,681 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:11:11,681 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:11:11,681 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:11:11,681 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:11:11,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:11:11,682 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:11:11,682 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:11:11,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:11:11,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:11:11,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:11:11,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:11:11,683 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:11:11,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:11:11,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:11:11,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:11:11,684 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:11:11,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:11:11,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:11:11,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:11:11,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:11:11,686 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:11:11,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:11:11,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:11:11,686 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:11:11,729 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:11:11,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:11:11,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:11:11,746 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:11:11,746 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:11:11,747 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:11:11,808 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b63c554e6/9b0f4b63d73e4b99ae0712888f2f75f9/FLAG7850564c4 [2019-09-11 17:11:12,405 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:11:12,405 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_floodmax.3.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:11:12,424 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b63c554e6/9b0f4b63d73e4b99ae0712888f2f75f9/FLAG7850564c4 [2019-09-11 17:11:12,627 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b63c554e6/9b0f4b63d73e4b99ae0712888f2f75f9 [2019-09-11 17:11:12,637 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:11:12,638 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:11:12,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:12,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:11:12,643 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:11:12,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:12" (1/1) ... [2019-09-11 17:11:12,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fc34360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:12, skipping insertion in model container [2019-09-11 17:11:12,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:11:12" (1/1) ... [2019-09-11 17:11:12,654 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:11:12,725 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:11:13,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:13,313 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:11:13,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:11:13,502 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:11:13,502 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13 WrapperNode [2019-09-11 17:11:13,503 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:11:13,503 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:11:13,503 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:11:13,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:11:13,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13" (1/1) ... [2019-09-11 17:11:13,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13" (1/1) ... [2019-09-11 17:11:13,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13" (1/1) ... [2019-09-11 17:11:13,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13" (1/1) ... [2019-09-11 17:11:13,559 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13" (1/1) ... [2019-09-11 17:11:13,582 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13" (1/1) ... [2019-09-11 17:11:13,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13" (1/1) ... [2019-09-11 17:11:13,603 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:11:13,604 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:11:13,604 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:11:13,604 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:11:13,605 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:11:13" (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 17:11:13,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:11:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:11:13,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:11:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:11:13,709 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:11:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:11:13,710 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:11:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:11:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:11:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:11:13,711 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:11:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:11:13,712 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:11:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:11:13,713 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:11:13,714 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:11:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:11:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:11:13,715 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:11:15,303 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:11:15,304 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:11:15,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:15 BoogieIcfgContainer [2019-09-11 17:11:15,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:11:15,306 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:11:15,306 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:11:15,307 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:11:15,308 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:11:15" (1/1) ... [2019-09-11 17:11:15,358 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:11:15,587 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:11:22,774 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:11:22,851 INFO L272 AbstractInterpreter]: Visited 539 different actions 10811 times. Merged at 357 different actions 5838 times. Widened at 94 different actions 834 times. Performed 29783 root evaluator evaluations with a maximum evaluation depth of 5. Performed 29783 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 3168 fixpoints after 230 different actions. Largest state had 196 variables. [2019-09-11 17:11:22,852 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:11:22,855 INFO L168 Benchmark]: Toolchain (without parser) took 10215.01 ms. Allocated memory was 134.2 MB in the beginning and 464.5 MB in the end (delta: 330.3 MB). Free memory was 89.4 MB in the beginning and 95.3 MB in the end (delta: -5.9 MB). Peak memory consumption was 324.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:22,856 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-09-11 17:11:22,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 863.84 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 89.2 MB in the beginning and 167.6 MB in the end (delta: -78.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:22,859 INFO L168 Benchmark]: Boogie Preprocessor took 99.94 ms. Allocated memory is still 203.9 MB. Free memory was 167.6 MB in the beginning and 163.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:22,861 INFO L168 Benchmark]: RCFGBuilder took 1701.93 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 163.0 MB in the beginning and 156.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:22,862 INFO L168 Benchmark]: Abstract Interpretation took 7545.48 ms. Allocated memory was 231.2 MB in the beginning and 464.5 MB in the end (delta: 233.3 MB). Free memory was 156.5 MB in the beginning and 95.3 MB in the end (delta: 61.2 MB). Peak memory consumption was 294.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:11:22,867 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 863.84 ms. Allocated memory was 134.2 MB in the beginning and 203.9 MB in the end (delta: 69.7 MB). Free memory was 89.2 MB in the beginning and 167.6 MB in the end (delta: -78.4 MB). Peak memory consumption was 34.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.94 ms. Allocated memory is still 203.9 MB. Free memory was 167.6 MB in the beginning and 163.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1701.93 ms. Allocated memory was 203.9 MB in the beginning and 231.2 MB in the end (delta: 27.3 MB). Free memory was 163.0 MB in the beginning and 156.5 MB in the end (delta: 6.5 MB). Peak memory consumption was 85.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 7545.48 ms. Allocated memory was 231.2 MB in the beginning and 464.5 MB in the end (delta: 233.3 MB). Free memory was 156.5 MB in the beginning and 95.3 MB in the end (delta: 61.2 MB). Peak memory consumption was 294.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 841]: 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] port_t p12 = 0; [L14] char p12_old = '\x0'; [L15] char p12_new = '\x0'; [L16] _Bool ep12 = 0; [L17] port_t p13 = 0; [L18] char p13_old = '\x0'; [L19] char p13_new = '\x0'; [L20] _Bool ep13 = 0; [L21] port_t p21 = 0; [L22] char p21_old = '\x0'; [L23] char p21_new = '\x0'; [L24] _Bool ep21 = 0; [L25] port_t p23 = 0; [L26] char p23_old = '\x0'; [L27] char p23_new = '\x0'; [L28] _Bool ep23 = 0; [L29] port_t p31 = 0; [L30] char p31_old = '\x0'; [L31] char p31_new = '\x0'; [L32] _Bool ep31 = 0; [L33] port_t p32 = 0; [L34] char p32_old = '\x0'; [L35] char p32_new = '\x0'; [L36] _Bool ep32 = 0; [L37] char id1 = '\x0'; [L38] unsigned char r1 = '\x0'; [L39] char st1 = '\x0'; [L40] char nl1 = '\x0'; [L41] char m1 = '\x0'; [L42] char max1 = '\x0'; [L43] _Bool mode1 = 0; [L44] char id2 = '\x0'; [L45] unsigned char r2 = '\x0'; [L46] char st2 = '\x0'; [L47] char nl2 = '\x0'; [L48] char m2 = '\x0'; [L49] char max2 = '\x0'; [L50] _Bool mode2 = 0; [L51] char id3 = '\x0'; [L52] unsigned char r3 = '\x0'; [L53] char st3 = '\x0'; [L54] char nl3 = '\x0'; [L55] char m3 = '\x0'; [L56] char max3 = '\x0'; [L57] _Bool mode3 = 0; [L61] void (*nodes[3])() = { &node1, &node2, &node3 }; [L65] int __return_1742; [L66] int __return_1870; [L67] int __return_1988; [L68] int __return_2106; [L69] int __return_2229; [L70] int __return_2339; [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_uchar() [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_uchar() [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_uchar() [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_1742 = init__tmp___5 [L215] main__i2 = __return_1742 [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 [L232] COND FALSE !(!(mode1 == 0)) [L238] COND TRUE ((int)r1) < 2 [L240] COND FALSE !(!(ep12 == 0)) [L251] COND FALSE !(!(ep13 == 0)) [L262] mode1 = 1 [L264] COND FALSE !(!(mode2 == 0)) [L270] COND TRUE ((int)r2) < 2 [L272] COND FALSE !(!(ep21 == 0)) [L283] COND FALSE !(!(ep23 == 0)) [L294] mode2 = 1 [L296] COND FALSE !(!(mode3 == 0)) [L302] COND TRUE ((int)r3) < 2 [L304] COND FALSE !(!(ep31 == 0)) [L315] COND FALSE !(!(ep32 == 0)) [L326] mode3 = 1 [L327] p12_old = p12_new [L328] p12_new = nomsg [L329] p13_old = p13_new [L330] p13_new = nomsg [L331] p21_old = p21_new [L332] p21_new = nomsg [L333] p23_old = p23_new [L334] p23_new = nomsg [L335] p31_old = p31_new [L336] p31_new = nomsg [L337] p32_old = p32_new [L338] p32_new = nomsg [L340] int check__tmp; [L341] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L343] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L345] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L347] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L349] COND FALSE !(((int)r1) >= 2) [L355] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L357] COND TRUE ((int)r1) < 2 [L359] COND FALSE !(((int)r1) >= 2) [L365] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L367] COND TRUE ((int)r1) < 2 [L369] check__tmp = 1 [L370] __return_1870 = check__tmp [L371] main__c1 = __return_1870 [L373] _Bool __tmp_1; [L374] __tmp_1 = main__c1 [L375] _Bool assert__arg; [L376] assert__arg = __tmp_1 [L377] COND FALSE !(assert__arg == 0) [L384] COND TRUE !(mode1 == 0) [L386] COND FALSE !(r1 == 255) [L392] r1 = r1 + 1 [L393] COND FALSE !(!(ep21 == 0)) [L401] COND FALSE !(!(ep31 == 0)) [L409] COND FALSE !(((int)r1) == 2) [L415] mode1 = 0 [L417] COND TRUE !(mode2 == 0) [L419] COND FALSE !(r2 == 255) [L425] r2 = r2 + 1 [L426] COND FALSE !(!(ep12 == 0)) [L434] COND FALSE !(!(ep32 == 0)) [L442] COND FALSE !(((int)r2) == 2) [L448] mode2 = 0 [L450] COND TRUE !(mode3 == 0) [L452] COND FALSE !(r3 == 255) [L458] r3 = r3 + 1 [L459] COND FALSE !(!(ep13 == 0)) [L467] COND FALSE !(!(ep23 == 0)) [L475] COND FALSE !(((int)r3) == 2) [L481] mode3 = 0 [L482] p12_old = p12_new [L483] p12_new = nomsg [L484] p13_old = p13_new [L485] p13_new = nomsg [L486] p21_old = p21_new [L487] p21_new = nomsg [L488] p23_old = p23_new [L489] p23_new = nomsg [L490] p31_old = p31_new [L491] p31_new = nomsg [L492] p32_old = p32_new [L493] p32_new = nomsg [L495] int check__tmp; [L496] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L498] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L500] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L502] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L504] COND FALSE !(((int)r1) >= 2) [L510] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L512] COND TRUE ((int)r1) < 2 [L514] COND FALSE !(((int)r1) >= 2) [L520] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L522] COND TRUE ((int)r1) < 2 [L524] check__tmp = 1 [L525] __return_1988 = check__tmp [L526] main__c1 = __return_1988 [L528] _Bool __tmp_2; [L529] __tmp_2 = main__c1 [L530] _Bool assert__arg; [L531] assert__arg = __tmp_2 [L532] COND FALSE !(assert__arg == 0) [L539] COND FALSE !(!(mode1 == 0)) [L545] COND TRUE ((int)r1) < 2 [L547] COND FALSE !(!(ep12 == 0)) [L558] COND FALSE !(!(ep13 == 0)) [L569] mode1 = 1 [L571] COND FALSE !(!(mode2 == 0)) [L577] COND TRUE ((int)r2) < 2 [L579] COND FALSE !(!(ep21 == 0)) [L590] COND FALSE !(!(ep23 == 0)) [L601] mode2 = 1 [L603] COND FALSE !(!(mode3 == 0)) [L609] COND TRUE ((int)r3) < 2 [L611] COND FALSE !(!(ep31 == 0)) [L622] COND FALSE !(!(ep32 == 0)) [L633] mode3 = 1 [L634] p12_old = p12_new [L635] p12_new = nomsg [L636] p13_old = p13_new [L637] p13_new = nomsg [L638] p21_old = p21_new [L639] p21_new = nomsg [L640] p23_old = p23_new [L641] p23_new = nomsg [L642] p31_old = p31_new [L643] p31_new = nomsg [L644] p32_old = p32_new [L645] p32_new = nomsg [L647] int check__tmp; [L648] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) <= 1 [L650] COND TRUE (((int)st1) + ((int)nl1)) <= 1 [L652] COND TRUE (((int)st2) + ((int)nl2)) <= 1 [L654] COND TRUE (((int)st3) + ((int)nl3)) <= 1 [L656] COND FALSE !(((int)r1) >= 2) [L662] COND TRUE ((((int)st1) + ((int)st2)) + ((int)st3)) == 0 [L664] COND TRUE ((int)r1) < 2 [L666] COND FALSE !(((int)r1) >= 2) [L672] COND TRUE ((((int)nl1) + ((int)nl2)) + ((int)nl3)) == 0 [L674] COND TRUE ((int)r1) < 2 [L676] check__tmp = 1 [L677] __return_2106 = check__tmp [L678] main__c1 = __return_2106 [L680] _Bool __tmp_3; [L681] __tmp_3 = main__c1 [L682] _Bool assert__arg; [L683] assert__arg = __tmp_3 [L684] COND FALSE !(assert__arg == 0) [L691] COND TRUE !(mode1 == 0) [L693] COND FALSE !(r1 == 255) [L699] r1 = r1 + 1 [L700] COND FALSE !(!(ep21 == 0)) [L708] COND FALSE !(!(ep31 == 0)) [L716] COND TRUE ((int)r1) == 2 [L718] COND FALSE !(((int)max1) == ((int)id1)) [L1525] nl1 = 1 [L722] mode1 = 0 [L724] COND TRUE !(mode2 == 0) [L726] COND FALSE !(r2 == 255) [L732] r2 = r2 + 1 [L733] COND FALSE !(!(ep12 == 0)) [L741] COND FALSE !(!(ep32 == 0)) [L749] COND TRUE ((int)r2) == 2 [L751] COND TRUE ((int)max2) == ((int)id2) [L753] st2 = 1 [L755] mode2 = 0 [L757] COND TRUE !(mode3 == 0) [L759] COND FALSE !(r3 == 255) [L765] r3 = r3 + 1 [L766] COND FALSE !(!(ep13 == 0)) [L774] COND FALSE !(!(ep23 == 0)) [L782] COND TRUE ((int)r3) == 2 [L784] COND TRUE ((int)max3) == ((int)id3) [L786] st3 = 1 [L788] mode3 = 0 [L789] p12_old = p12_new [L790] p12_new = nomsg [L791] p13_old = p13_new [L792] p13_new = nomsg [L793] p21_old = p21_new [L794] p21_new = nomsg [L795] p23_old = p23_new [L796] p23_new = nomsg [L797] p31_old = p31_new [L798] p31_new = nomsg [L799] p32_old = p32_new [L800] p32_new = nomsg [L802] int check__tmp; [L803] COND FALSE !(((((int)st1) + ((int)st2)) + ((int)st3)) <= 1) [L1442] check__tmp = 0 [L831] __return_2229 = check__tmp [L832] main__c1 = __return_2229 [L835] _Bool __tmp_4; [L836] __tmp_4 = main__c1 [L837] _Bool assert__arg; [L838] assert__arg = __tmp_4 [L839] COND TRUE assert__arg == 0 [L841] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...