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_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:03:50,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:03:50,014 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:03:50,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:03:50,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:03:50,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:03:50,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:03:50,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:03:50,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:03:50,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:03:50,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:03:50,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:03:50,035 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:03:50,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:03:50,037 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:03:50,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:03:50,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:03:50,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:03:50,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:03:50,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:03:50,045 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:03:50,046 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:03:50,047 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:03:50,048 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:03:50,051 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:03:50,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:03:50,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:03:50,056 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:03:50,057 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:03:50,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:03:50,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:03:50,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:03:50,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:03:50,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:03:50,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:03:50,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:03:50,062 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 17:03:50,077 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:03:50,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:03:50,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:03:50,078 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:03:50,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:03:50,079 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:03:50,079 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:03:50,079 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:03:50,079 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:03:50,080 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:03:50,080 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:03:50,081 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:03:50,081 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:03:50,081 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:03:50,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:03:50,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:03:50,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:03:50,082 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:03:50,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:03:50,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:03:50,082 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:03:50,082 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:03:50,083 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:03:50,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:03:50,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:03:50,083 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:03:50,084 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:03:50,084 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:03:50,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:03:50,084 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:03:50,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:03:50,138 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:03:50,143 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:03:50,144 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:03:50,144 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:03:50,145 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c [2019-09-11 17:03:50,220 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39a50ea4/f2482a17be744bd4ab9ad6228ff07af8/FLAG49899a320 [2019-09-11 17:03:50,758 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:03:50,760 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.5.ufo.UNBOUNDED.pals.c [2019-09-11 17:03:50,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39a50ea4/f2482a17be744bd4ab9ad6228ff07af8/FLAG49899a320 [2019-09-11 17:03:51,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b39a50ea4/f2482a17be744bd4ab9ad6228ff07af8 [2019-09-11 17:03:51,066 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:03:51,068 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:03:51,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:03:51,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:03:51,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:03:51,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:03:51" (1/1) ... [2019-09-11 17:03:51,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b41648 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51, skipping insertion in model container [2019-09-11 17:03:51,077 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:03:51" (1/1) ... [2019-09-11 17:03:51,084 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:03:51,142 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:03:51,487 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:03:51,502 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:03:51,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:03:51,593 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:03:51,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51 WrapperNode [2019-09-11 17:03:51,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:03:51,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:03:51,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:03:51,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:03:51,609 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51" (1/1) ... [2019-09-11 17:03:51,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51" (1/1) ... [2019-09-11 17:03:51,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51" (1/1) ... [2019-09-11 17:03:51,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51" (1/1) ... [2019-09-11 17:03:51,654 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51" (1/1) ... [2019-09-11 17:03:51,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51" (1/1) ... [2019-09-11 17:03:51,679 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51" (1/1) ... [2019-09-11 17:03:51,685 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:03:51,686 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:03:51,686 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:03:51,686 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:03:51,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:51" (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 17:03:51,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:03:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:03:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:03:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:03:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:03:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-11 17:03:51,736 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-09-11 17:03:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:03:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:03:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:03:51,737 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:03:51,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:03:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:03:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:03:51,738 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:03:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:03:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:03:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:03:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:03:51,739 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:03:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:03:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:03:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:03:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-11 17:03:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:03:51,740 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:03:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:03:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:03:51,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:03:52,479 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:03:52,480 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:03:52,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:03:52 BoogieIcfgContainer [2019-09-11 17:03:52,482 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:03:52,482 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:03:52,482 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:03:52,483 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:03:52,484 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:03:52" (1/1) ... [2019-09-11 17:03:52,519 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:03:52,667 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:04:00,144 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:04:00,181 INFO L272 AbstractInterpreter]: Visited 233 different actions 6774 times. Merged at 71 different actions 2038 times. Widened at 1 different actions 6 times. Performed 51674 root evaluator evaluations with a maximum evaluation depth of 7. Performed 51674 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1482 fixpoints after 85 different actions. Largest state had 129 variables. [2019-09-11 17:04:00,182 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:04:00,186 INFO L168 Benchmark]: Toolchain (without parser) took 9115.77 ms. Allocated memory was 142.1 MB in the beginning and 581.4 MB in the end (delta: 439.4 MB). Free memory was 88.9 MB in the beginning and 103.7 MB in the end (delta: -14.8 MB). Peak memory consumption was 424.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:00,187 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 142.1 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-09-11 17:04:00,189 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.00 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 88.7 MB in the beginning and 173.4 MB in the end (delta: -84.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:00,190 INFO L168 Benchmark]: Boogie Preprocessor took 91.31 ms. Allocated memory is still 201.3 MB. Free memory was 173.4 MB in the beginning and 170.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:00,190 INFO L168 Benchmark]: RCFGBuilder took 795.72 ms. Allocated memory is still 201.3 MB. Free memory was 170.6 MB in the beginning and 121.8 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:00,191 INFO L168 Benchmark]: Abstract Interpretation took 7699.63 ms. Allocated memory was 201.3 MB in the beginning and 581.4 MB in the end (delta: 380.1 MB). Free memory was 121.8 MB in the beginning and 103.7 MB in the end (delta: 18.0 MB). Peak memory consumption was 398.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:00,198 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 142.1 MB. Free memory was 108.5 MB in the beginning and 108.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 525.00 ms. Allocated memory was 142.1 MB in the beginning and 201.3 MB in the end (delta: 59.2 MB). Free memory was 88.7 MB in the beginning and 173.4 MB in the end (delta: -84.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.31 ms. Allocated memory is still 201.3 MB. Free memory was 173.4 MB in the beginning and 170.6 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 795.72 ms. Allocated memory is still 201.3 MB. Free memory was 170.6 MB in the beginning and 121.8 MB in the end (delta: 48.8 MB). Peak memory consumption was 48.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 7699.63 ms. Allocated memory was 201.3 MB in the beginning and 581.4 MB in the end (delta: 380.1 MB). Free memory was 121.8 MB in the beginning and 103.7 MB in the end (delta: 18.0 MB). Peak memory consumption was 398.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 522]: 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: [L70] msg_t nomsg = (msg_t )-1; [L71] unsigned char r1 ; [L72] port_t p1 ; [L73] char p1_old ; [L74] char p1_new ; [L75] char id1 ; [L76] char st1 ; [L77] msg_t send1 ; [L78] _Bool mode1 ; [L79] _Bool alive1 ; [L80] port_t p2 ; [L81] char p2_old ; [L82] char p2_new ; [L83] char id2 ; [L84] char st2 ; [L85] msg_t send2 ; [L86] _Bool mode2 ; [L87] _Bool alive2 ; [L88] port_t p3 ; [L89] char p3_old ; [L90] char p3_new ; [L91] char id3 ; [L92] char st3 ; [L93] msg_t send3 ; [L94] _Bool mode3 ; [L95] _Bool alive3 ; [L96] port_t p4 ; [L97] char p4_old ; [L98] char p4_new ; [L99] char id4 ; [L100] char st4 ; [L101] msg_t send4 ; [L102] _Bool mode4 ; [L103] _Bool alive4 ; [L104] port_t p5 ; [L105] char p5_old ; [L106] char p5_new ; [L107] char id5 ; [L108] char st5 ; [L109] msg_t send5 ; [L110] _Bool mode5 ; [L111] _Bool alive5 ; [L286-L287] void (*nodes[5])(void) = { & node1, & node2, & node3, & node4, & node5}; [L447] int c1 ; [L448] int i2 ; [L451] c1 = 0 [L452] r1 = __VERIFIER_nondet_uchar() [L453] id1 = __VERIFIER_nondet_char() [L454] st1 = __VERIFIER_nondet_char() [L455] send1 = __VERIFIER_nondet_char() [L456] mode1 = __VERIFIER_nondet_bool() [L457] alive1 = __VERIFIER_nondet_bool() [L458] id2 = __VERIFIER_nondet_char() [L459] st2 = __VERIFIER_nondet_char() [L460] send2 = __VERIFIER_nondet_char() [L461] mode2 = __VERIFIER_nondet_bool() [L462] alive2 = __VERIFIER_nondet_bool() [L463] id3 = __VERIFIER_nondet_char() [L464] st3 = __VERIFIER_nondet_char() [L465] send3 = __VERIFIER_nondet_char() [L466] mode3 = __VERIFIER_nondet_bool() [L467] alive3 = __VERIFIER_nondet_bool() [L468] id4 = __VERIFIER_nondet_char() [L469] st4 = __VERIFIER_nondet_char() [L470] send4 = __VERIFIER_nondet_char() [L471] mode4 = __VERIFIER_nondet_bool() [L472] alive4 = __VERIFIER_nondet_bool() [L473] id5 = __VERIFIER_nondet_char() [L474] st5 = __VERIFIER_nondet_char() [L475] send5 = __VERIFIER_nondet_char() [L476] mode5 = __VERIFIER_nondet_bool() [L477] alive5 = __VERIFIER_nondet_bool() [L478] CALL, EXPR init() [L290] int tmp ; [L293] COND TRUE (int )r1 == 0 [L294] COND TRUE ((((int )alive1 + (int )alive2) + (int )alive3) + (int )alive4) + (int )alive5 >= 1 [L295] COND TRUE (int )id1 >= 0 [L296] COND TRUE (int )st1 == 0 [L297] COND TRUE (int )send1 == (int )id1 [L298] COND TRUE (int )mode1 == 0 [L299] COND TRUE (int )id2 >= 0 [L300] COND TRUE (int )st2 == 0 [L301] COND TRUE (int )send2 == (int )id2 [L302] COND TRUE (int )mode2 == 0 [L303] COND TRUE (int )id3 >= 0 [L304] COND TRUE (int )st3 == 0 [L305] COND TRUE (int )send3 == (int )id3 [L306] COND TRUE (int )mode3 == 0 [L307] COND TRUE (int )id4 >= 0 [L308] COND TRUE (int )st4 == 0 [L309] COND TRUE (int )send4 == (int )id4 [L310] COND TRUE (int )mode4 == 0 [L311] COND TRUE (int )id5 >= 0 [L312] COND TRUE (int )st5 == 0 [L313] COND TRUE (int )send5 == (int )id5 [L314] COND TRUE (int )mode5 == 0 [L315] COND TRUE (int )id1 != (int )id2 [L316] COND TRUE (int )id1 != (int )id3 [L317] COND TRUE (int )id1 != (int )id4 [L318] COND TRUE (int )id1 != (int )id5 [L319] COND TRUE (int )id2 != (int )id3 [L320] COND TRUE (int )id2 != (int )id4 [L321] COND TRUE (int )id2 != (int )id5 [L322] COND TRUE (int )id3 != (int )id4 [L323] COND TRUE (int )id3 != (int )id5 [L324] COND TRUE (int )id4 != (int )id5 [L325] tmp = 1 [L422] return (tmp); [L478] RET, EXPR init() [L478] i2 = init() [L480] p1_old = nomsg [L481] p1_new = nomsg [L482] p2_old = nomsg [L483] p2_new = nomsg [L484] p3_old = nomsg [L485] p3_new = nomsg [L486] p4_old = nomsg [L487] p4_new = nomsg [L488] p5_old = nomsg [L489] p5_new = nomsg [L490] i2 = 0 [L491] COND TRUE 1 [L493] CALL node1() [L114] msg_t m1 ; [L117] m1 = nomsg [L118] COND FALSE !(\read(mode1)) [L139] COND FALSE !(\read(alive1)) [L142] COND FALSE !((int )send1 != (int )id1) [L145] mode1 = (_Bool)1 [L493] RET node1() [L494] CALL node2() [L152] msg_t m2 ; [L155] m2 = nomsg [L156] COND TRUE \read(mode2) [L157] m2 = p1_old [L158] p1_old = nomsg [L159] COND FALSE !((int )m2 != (int )nomsg) [L171] mode2 = (_Bool)0 [L494] RET node2() [L495] CALL node3() [L186] msg_t m3 ; [L189] m3 = nomsg [L190] COND TRUE \read(mode3) [L191] m3 = p2_old [L192] p2_old = nomsg [L193] COND FALSE !((int )m3 != (int )nomsg) [L205] mode3 = (_Bool)0 [L495] RET node3() [L496] CALL node4() [L220] msg_t m4 ; [L223] m4 = nomsg [L224] COND TRUE \read(mode4) [L225] m4 = p3_old [L226] p3_old = nomsg [L227] COND FALSE !((int )m4 != (int )nomsg) [L239] mode4 = (_Bool)0 [L496] RET node4() [L497] CALL node5() [L254] msg_t m5 ; [L257] m5 = nomsg [L258] COND TRUE \read(mode5) [L259] m5 = p4_old [L260] p4_old = nomsg [L261] COND FALSE !((int )m5 != (int )nomsg) [L273] mode5 = (_Bool)0 [L497] RET node5() [L498] p1_old = p1_new [L499] p1_new = nomsg [L500] p2_old = p2_new [L501] p2_new = nomsg [L502] p3_old = p3_new [L503] p3_new = nomsg [L504] p4_old = p4_new [L505] p4_new = nomsg [L506] p5_old = p5_new [L507] p5_new = nomsg [L508] CALL, EXPR check() [L427] int tmp ; [L430] COND FALSE !(((((int )st1 + (int )st2) + (int )st3) + (int )st4) + (int )st5 <= 1) [L440] tmp = 0 [L442] return (tmp); [L508] RET, EXPR check() [L508] c1 = check() [L509] CALL assert(c1) [L520] COND TRUE ! arg [L522] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...