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/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:05:33,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:05:33,969 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:05:33,980 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:05:33,981 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:05:33,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:05:33,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:05:33,985 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:05:33,986 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:05:33,987 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:05:33,988 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:05:33,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:05:33,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:05:33,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:05:33,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:05:33,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:05:33,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:05:33,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:05:33,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:05:33,998 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:05:34,000 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:05:34,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:05:34,002 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:05:34,003 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:05:34,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:05:34,011 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:05:34,012 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:05:34,013 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:05:34,013 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:05:34,014 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:05:34,015 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:05:34,015 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:05:34,015 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:05:34,016 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:05:34,017 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:05:34,017 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:05:34,018 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 17:05:34,033 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:05:34,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:05:34,034 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:05:34,034 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:05:34,035 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:05:34,035 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:05:34,035 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:05:34,035 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:05:34,035 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:05:34,036 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:05:34,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:05:34,037 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:05:34,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:05:34,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:05:34,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:05:34,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:05:34,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:05:34,038 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:05:34,038 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:05:34,038 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:05:34,038 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:05:34,039 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:05:34,039 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:05:34,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:05:34,039 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:05:34,040 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:05:34,040 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:05:34,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:05:34,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:05:34,040 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:05:34,069 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:05:34,082 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:05:34,085 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:05:34,087 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:05:34,088 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:05:34,088 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2019-09-11 17:05:34,152 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e495b9e/a46274317efb44329746a5b855ff95b1/FLAG5eb240e95 [2019-09-11 17:05:34,616 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:05:34,617 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.3.ufo.BOUNDED-6.pals.c [2019-09-11 17:05:34,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e495b9e/a46274317efb44329746a5b855ff95b1/FLAG5eb240e95 [2019-09-11 17:05:34,992 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5e495b9e/a46274317efb44329746a5b855ff95b1 [2019-09-11 17:05:35,005 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:05:35,007 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:05:35,008 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:35,008 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:05:35,012 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:05:35,013 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:34" (1/1) ... [2019-09-11 17:05:35,015 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b77fff1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35, skipping insertion in model container [2019-09-11 17:05:35,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:34" (1/1) ... [2019-09-11 17:05:35,023 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:05:35,090 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:05:35,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:35,536 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:05:35,604 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:35,623 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:05:35,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35 WrapperNode [2019-09-11 17:05:35,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:35,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:05:35,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:05:35,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:05:35,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35" (1/1) ... [2019-09-11 17:05:35,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35" (1/1) ... [2019-09-11 17:05:35,648 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35" (1/1) ... [2019-09-11 17:05:35,648 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35" (1/1) ... [2019-09-11 17:05:35,666 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35" (1/1) ... [2019-09-11 17:05:35,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35" (1/1) ... [2019-09-11 17:05:35,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35" (1/1) ... [2019-09-11 17:05:35,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:05:35,691 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:05:35,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:05:35,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:05:35,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:05:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:05:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:05:35,770 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:05:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:05:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:05:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:05:35,771 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:05:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:05:35,773 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:05:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:05:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:05:35,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:05:35,775 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:05:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:05:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:05:35,776 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:05:35,777 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:05:35,777 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:05:35,777 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:05:35,777 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:05:35,777 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:05:35,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:05:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:05:35,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:05:36,687 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:05:36,688 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:05:36,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:36 BoogieIcfgContainer [2019-09-11 17:05:36,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:05:36,690 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:05:36,690 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:05:36,691 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:05:36,692 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:36" (1/1) ... [2019-09-11 17:05:36,739 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:05:36,907 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:05:46,841 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:05:46,880 INFO L272 AbstractInterpreter]: Visited 272 different actions 12759 times. Merged at 151 different actions 4963 times. Widened at 1 different actions 15 times. Performed 65233 root evaluator evaluations with a maximum evaluation depth of 6. Performed 65233 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 3727 fixpoints after 121 different actions. Largest state had 144 variables. [2019-09-11 17:05:46,881 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:05:46,884 INFO L168 Benchmark]: Toolchain (without parser) took 11875.80 ms. Allocated memory was 135.3 MB in the beginning and 740.8 MB in the end (delta: 605.6 MB). Free memory was 90.7 MB in the beginning and 189.6 MB in the end (delta: -98.9 MB). Peak memory consumption was 506.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:46,885 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-11 17:05:46,886 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.60 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.5 MB in the beginning and 171.2 MB in the end (delta: -80.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:46,887 INFO L168 Benchmark]: Boogie Preprocessor took 66.42 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 168.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:46,888 INFO L168 Benchmark]: RCFGBuilder took 998.20 ms. Allocated memory is still 201.9 MB. Free memory was 168.1 MB in the beginning and 113.8 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:46,889 INFO L168 Benchmark]: Abstract Interpretation took 10190.52 ms. Allocated memory was 201.9 MB in the beginning and 740.8 MB in the end (delta: 539.0 MB). Free memory was 113.8 MB in the beginning and 189.6 MB in the end (delta: -75.9 MB). Peak memory consumption was 463.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:46,897 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 135.3 MB. Free memory was 109.8 MB in the beginning and 109.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 616.60 ms. Allocated memory was 135.3 MB in the beginning and 201.9 MB in the end (delta: 66.6 MB). Free memory was 90.5 MB in the beginning and 171.2 MB in the end (delta: -80.7 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 66.42 ms. Allocated memory is still 201.9 MB. Free memory was 171.2 MB in the beginning and 168.1 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 998.20 ms. Allocated memory is still 201.9 MB. Free memory was 168.1 MB in the beginning and 113.8 MB in the end (delta: 54.3 MB). Peak memory consumption was 54.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 10190.52 ms. Allocated memory was 201.9 MB in the beginning and 740.8 MB in the end (delta: 539.0 MB). Free memory was 113.8 MB in the beginning and 189.6 MB in the end (delta: -75.9 MB). Peak memory consumption was 463.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 643]: 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: [L69] msg_t nomsg = (msg_t )-1; [L70] port_t p12 ; [L71] char p12_old ; [L72] char p12_new ; [L73] _Bool ep12 ; [L74] port_t p13 ; [L75] char p13_old ; [L76] char p13_new ; [L77] _Bool ep13 ; [L78] port_t p21 ; [L79] char p21_old ; [L80] char p21_new ; [L81] _Bool ep21 ; [L82] port_t p23 ; [L83] char p23_old ; [L84] char p23_new ; [L85] _Bool ep23 ; [L86] port_t p31 ; [L87] char p31_old ; [L88] char p31_new ; [L89] _Bool ep31 ; [L90] port_t p32 ; [L91] char p32_old ; [L92] char p32_new ; [L93] _Bool ep32 ; [L94] char id1 ; [L95] char r1 ; [L96] char st1 ; [L97] char nl1 ; [L98] char m1 ; [L99] char max1 ; [L100] _Bool mode1 ; [L101] _Bool newmax1 ; [L102] char id2 ; [L103] char r2 ; [L104] char st2 ; [L105] char nl2 ; [L106] char m2 ; [L107] char max2 ; [L108] _Bool mode2 ; [L109] _Bool newmax2 ; [L110] char id3 ; [L111] char r3 ; [L112] char st3 ; [L113] char nl3 ; [L114] char m3 ; [L115] char max3 ; [L116] _Bool mode3 ; [L117] _Bool newmax3 ; [L271] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L561] int c1 ; [L562] int i2 ; [L565] c1 = 0 [L566] ep12 = __VERIFIER_nondet_bool() [L567] ep13 = __VERIFIER_nondet_bool() [L568] ep21 = __VERIFIER_nondet_bool() [L569] ep23 = __VERIFIER_nondet_bool() [L570] ep31 = __VERIFIER_nondet_bool() [L571] ep32 = __VERIFIER_nondet_bool() [L572] id1 = __VERIFIER_nondet_char() [L573] r1 = __VERIFIER_nondet_char() [L574] st1 = __VERIFIER_nondet_char() [L575] nl1 = __VERIFIER_nondet_char() [L576] m1 = __VERIFIER_nondet_char() [L577] max1 = __VERIFIER_nondet_char() [L578] mode1 = __VERIFIER_nondet_bool() [L579] newmax1 = __VERIFIER_nondet_bool() [L580] id2 = __VERIFIER_nondet_char() [L581] r2 = __VERIFIER_nondet_char() [L582] st2 = __VERIFIER_nondet_char() [L583] nl2 = __VERIFIER_nondet_char() [L584] m2 = __VERIFIER_nondet_char() [L585] max2 = __VERIFIER_nondet_char() [L586] mode2 = __VERIFIER_nondet_bool() [L587] newmax2 = __VERIFIER_nondet_bool() [L588] id3 = __VERIFIER_nondet_char() [L589] r3 = __VERIFIER_nondet_char() [L590] st3 = __VERIFIER_nondet_char() [L591] nl3 = __VERIFIER_nondet_char() [L592] m3 = __VERIFIER_nondet_char() [L593] max3 = __VERIFIER_nondet_char() [L594] mode3 = __VERIFIER_nondet_bool() [L595] newmax3 = __VERIFIER_nondet_bool() [L596] CALL, EXPR init() [L274] _Bool r121 ; [L275] _Bool r131 ; [L276] _Bool r211 ; [L277] _Bool r231 ; [L278] _Bool r311 ; [L279] _Bool r321 ; [L280] _Bool r122 ; [L281] int tmp ; [L282] _Bool r132 ; [L283] int tmp___0 ; [L284] _Bool r212 ; [L285] int tmp___1 ; [L286] _Bool r232 ; [L287] int tmp___2 ; [L288] _Bool r312 ; [L289] int tmp___3 ; [L290] _Bool r322 ; [L291] int tmp___4 ; [L292] int tmp___5 ; [L295] r121 = ep12 [L296] r131 = ep13 [L297] r211 = ep21 [L298] r231 = ep23 [L299] r311 = ep31 [L300] r321 = ep32 [L301] COND TRUE \read(r121) [L302] tmp = 1 [L313] r122 = (_Bool )tmp [L314] COND TRUE \read(r131) [L315] tmp___0 = 1 [L326] r132 = (_Bool )tmp___0 [L327] COND TRUE \read(r211) [L328] tmp___1 = 1 [L339] r212 = (_Bool )tmp___1 [L340] COND TRUE \read(r231) [L341] tmp___2 = 1 [L352] r232 = (_Bool )tmp___2 [L353] COND TRUE \read(r311) [L354] tmp___3 = 1 [L365] r312 = (_Bool )tmp___3 [L366] COND TRUE \read(r321) [L367] tmp___4 = 1 [L378] r322 = (_Bool )tmp___4 [L379] COND TRUE (int )id1 != (int )id2 [L380] COND TRUE (int )id1 != (int )id3 [L381] COND TRUE (int )id2 != (int )id3 [L382] COND TRUE (int )id1 >= 0 [L383] COND TRUE (int )id2 >= 0 [L384] COND TRUE (int )id3 >= 0 [L385] COND TRUE (int )r1 == 0 [L386] COND TRUE (int )r2 == 0 [L387] COND TRUE (int )r3 == 0 [L388] COND TRUE \read(r122) [L389] COND TRUE \read(r132) [L390] COND TRUE \read(r212) [L391] COND TRUE \read(r232) [L392] COND TRUE \read(r312) [L393] COND TRUE \read(r322) [L394] COND TRUE (int )max1 == (int )id1 [L395] COND TRUE (int )max2 == (int )id2 [L396] COND TRUE (int )max3 == (int )id3 [L397] COND TRUE (int )st1 == 0 [L398] COND TRUE (int )st2 == 0 [L399] COND TRUE (int )st3 == 0 [L400] COND TRUE (int )nl1 == 0 [L401] COND TRUE (int )nl2 == 0 [L402] COND TRUE (int )nl3 == 0 [L403] COND TRUE (int )mode1 == 0 [L404] COND TRUE (int )mode2 == 0 [L405] COND TRUE (int )mode3 == 0 [L406] COND TRUE \read(newmax1) [L407] COND TRUE \read(newmax2) [L408] COND TRUE \read(newmax3) [L409] tmp___5 = 1 [L500] return (tmp___5); [L596] RET, EXPR init() [L596] i2 = init() [L598] p12_old = nomsg [L599] p12_new = nomsg [L600] p13_old = nomsg [L601] p13_new = nomsg [L602] p21_old = nomsg [L603] p21_new = nomsg [L604] p23_old = nomsg [L605] p23_new = nomsg [L606] p31_old = nomsg [L607] p31_new = nomsg [L608] p32_old = nomsg [L609] p32_new = nomsg [L610] i2 = 0 [L611] COND TRUE i2 < 6 [L613] CALL node1() [L120] _Bool newmax ; [L123] newmax = (_Bool)0 [L124] COND FALSE !(\read(mode1)) [L152] COND FALSE !((int )r1 < 2) [L164] mode1 = (_Bool)1 [L613] RET node1() [L614] CALL node2() [L171] _Bool newmax ; [L174] newmax = (_Bool)0 [L175] COND FALSE !(\read(mode2)) [L203] COND FALSE !((int )r2 < 2) [L215] mode2 = (_Bool)1 [L614] RET node2() [L615] CALL node3() [L222] _Bool newmax ; [L225] newmax = (_Bool)0 [L226] COND FALSE !(\read(mode3)) [L254] COND FALSE !((int )r3 < 2) [L266] mode3 = (_Bool)1 [L615] RET node3() [L616] p12_old = p12_new [L617] p12_new = nomsg [L618] p13_old = p13_new [L619] p13_new = nomsg [L620] p21_old = p21_new [L621] p21_new = nomsg [L622] p23_old = p23_new [L623] p23_new = nomsg [L624] p31_old = p31_new [L625] p31_new = nomsg [L626] p32_old = p32_new [L627] p32_new = nomsg [L628] CALL, EXPR check() [L505] int tmp ; [L508] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L554] tmp = 0 [L556] return (tmp); [L628] RET, EXPR check() [L628] c1 = check() [L629] CALL assert(c1) [L641] COND TRUE ! arg [L643] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...