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.4.2.ufo.BOUNDED-8.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:05:39,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:05:39,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:05:39,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:05:39,766 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:05:39,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:05:39,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:05:39,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:05:39,772 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:05:39,773 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:05:39,774 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:05:39,775 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:05:39,776 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:05:39,777 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:05:39,778 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:05:39,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:05:39,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:05:39,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:05:39,783 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:05:39,785 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:05:39,786 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:05:39,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:05:39,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:05:39,789 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:05:39,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:05:39,795 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:05:39,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:05:39,796 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:05:39,797 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:05:39,798 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:05:39,798 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:05:39,799 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:05:39,799 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:05:39,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:05:39,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:05:39,801 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:05:39,802 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 17:05:39,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:05:39,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:05:39,817 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:05:39,818 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:05:39,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:05:39,819 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:05:39,819 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:05:39,819 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:05:39,819 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:05:39,819 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:05:39,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:05:39,820 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:05:39,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:05:39,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:05:39,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:05:39,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:05:39,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:05:39,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:05:39,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:05:39,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:05:39,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:05:39,822 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:05:39,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:05:39,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:05:39,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:05:39,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:05:39,823 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:05:39,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:05:39,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:05:39,824 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:05:39,852 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:05:39,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:05:39,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:05:39,869 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:05:39,870 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:05:39,870 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c [2019-09-11 17:05:39,931 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43049dd99/9e458e9462eb4934a53358a0ece3ac6e/FLAGfb29f91a6 [2019-09-11 17:05:40,450 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:05:40,451 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.2.ufo.BOUNDED-8.pals.c [2019-09-11 17:05:40,479 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43049dd99/9e458e9462eb4934a53358a0ece3ac6e/FLAGfb29f91a6 [2019-09-11 17:05:40,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/43049dd99/9e458e9462eb4934a53358a0ece3ac6e [2019-09-11 17:05:40,783 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:05:40,784 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:05:40,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:40,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:05:40,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:05:40,791 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:40" (1/1) ... [2019-09-11 17:05:40,794 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74340391 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:40, skipping insertion in model container [2019-09-11 17:05:40,794 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:40" (1/1) ... [2019-09-11 17:05:40,802 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:05:40,872 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:05:41,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:41,359 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:05:41,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:41,486 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:05:41,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41 WrapperNode [2019-09-11 17:05:41,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:41,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:05:41,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:05:41,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:05:41,503 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41" (1/1) ... [2019-09-11 17:05:41,503 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41" (1/1) ... [2019-09-11 17:05:41,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41" (1/1) ... [2019-09-11 17:05:41,523 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41" (1/1) ... [2019-09-11 17:05:41,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41" (1/1) ... [2019-09-11 17:05:41,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41" (1/1) ... [2019-09-11 17:05:41,581 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41" (1/1) ... [2019-09-11 17:05:41,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:05:41,590 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:05:41,590 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:05:41,590 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:05:41,591 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41" (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 17:05:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:05:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:05:41,662 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:05:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:05:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:05:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-11 17:05:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:05:41,663 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:05:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:05:41,664 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:05:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:05:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:05:41,664 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:05:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:05:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:05:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:05:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:05:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:05:41,665 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:05:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:05:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:05:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:05:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:05:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:05:41,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:05:41,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:05:43,244 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:05:43,245 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:05:43,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:43 BoogieIcfgContainer [2019-09-11 17:05:43,248 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:05:43,249 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:05:43,249 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:05:43,250 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:05:43,251 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:43" (1/1) ... [2019-09-11 17:05:43,317 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:05:43,560 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:06:29,671 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:06:29,722 INFO L272 AbstractInterpreter]: Visited 609 different actions 52856 times. Merged at 368 different actions 24281 times. Widened at 22 different actions 217 times. Performed 248238 root evaluator evaluations with a maximum evaluation depth of 6. Performed 248238 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 19153 fixpoints after 328 different actions. Largest state had 236 variables. [2019-09-11 17:06:29,722 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:06:29,725 INFO L168 Benchmark]: Toolchain (without parser) took 48939.50 ms. Allocated memory was 143.1 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 89.8 MB in the beginning and 368.7 MB in the end (delta: -278.9 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-09-11 17:06:29,726 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:06:29,727 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.26 ms. Allocated memory was 143.1 MB in the beginning and 202.4 MB in the end (delta: 59.2 MB). Free memory was 89.6 MB in the beginning and 165.4 MB in the end (delta: -75.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:29,728 INFO L168 Benchmark]: Boogie Preprocessor took 102.29 ms. Allocated memory is still 202.4 MB. Free memory was 165.4 MB in the beginning and 160.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:29,729 INFO L168 Benchmark]: RCFGBuilder took 1658.13 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 160.7 MB in the beginning and 168.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:29,730 INFO L168 Benchmark]: Abstract Interpretation took 46473.36 ms. Allocated memory was 233.8 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 168.6 MB in the beginning and 368.7 MB in the end (delta: -200.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-09-11 17:06:29,735 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 143.1 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.26 ms. Allocated memory was 143.1 MB in the beginning and 202.4 MB in the end (delta: 59.2 MB). Free memory was 89.6 MB in the beginning and 165.4 MB in the end (delta: -75.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.29 ms. Allocated memory is still 202.4 MB. Free memory was 165.4 MB in the beginning and 160.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1658.13 ms. Allocated memory was 202.4 MB in the beginning and 233.8 MB in the end (delta: 31.5 MB). Free memory was 160.7 MB in the beginning and 168.6 MB in the end (delta: -7.9 MB). Peak memory consumption was 81.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 46473.36 ms. Allocated memory was 233.8 MB in the beginning and 2.0 GB in the end (delta: 1.8 GB). Free memory was 168.6 MB in the beginning and 368.7 MB in the end (delta: -200.1 MB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1359]: 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 p14 ; [L79] char p14_old ; [L80] char p14_new ; [L81] _Bool ep14 ; [L82] port_t p21 ; [L83] char p21_old ; [L84] char p21_new ; [L85] _Bool ep21 ; [L86] port_t p23 ; [L87] char p23_old ; [L88] char p23_new ; [L89] _Bool ep23 ; [L90] port_t p24 ; [L91] char p24_old ; [L92] char p24_new ; [L93] _Bool ep24 ; [L94] port_t p31 ; [L95] char p31_old ; [L96] char p31_new ; [L97] _Bool ep31 ; [L98] port_t p32 ; [L99] char p32_old ; [L100] char p32_new ; [L101] _Bool ep32 ; [L102] port_t p34 ; [L103] char p34_old ; [L104] char p34_new ; [L105] _Bool ep34 ; [L106] port_t p41 ; [L107] char p41_old ; [L108] char p41_new ; [L109] _Bool ep41 ; [L110] port_t p42 ; [L111] char p42_old ; [L112] char p42_new ; [L113] _Bool ep42 ; [L114] port_t p43 ; [L115] char p43_old ; [L116] char p43_new ; [L117] _Bool ep43 ; [L118] char id1 ; [L119] char r1 ; [L120] char st1 ; [L121] char nl1 ; [L122] char m1 ; [L123] char max1 ; [L124] _Bool mode1 ; [L125] _Bool newmax1 ; [L126] char id2 ; [L127] char r2 ; [L128] char st2 ; [L129] char nl2 ; [L130] char m2 ; [L131] char max2 ; [L132] _Bool mode2 ; [L133] _Bool newmax2 ; [L134] char id3 ; [L135] char r3 ; [L136] char st3 ; [L137] char nl3 ; [L138] char m3 ; [L139] char max3 ; [L140] _Bool mode3 ; [L141] _Bool newmax3 ; [L142] char id4 ; [L143] char r4 ; [L144] char st4 ; [L145] char nl4 ; [L146] char m4 ; [L147] char max4 ; [L148] _Bool mode4 ; [L149] _Bool newmax4 ; [L406] void (*nodes[4])(void) = { & node1, & node2, & node3, & node4}; [L1238] int c1 ; [L1239] int i2 ; [L1242] c1 = 0 [L1243] ep12 = __VERIFIER_nondet_bool() [L1244] ep13 = __VERIFIER_nondet_bool() [L1245] ep14 = __VERIFIER_nondet_bool() [L1246] ep21 = __VERIFIER_nondet_bool() [L1247] ep23 = __VERIFIER_nondet_bool() [L1248] ep24 = __VERIFIER_nondet_bool() [L1249] ep31 = __VERIFIER_nondet_bool() [L1250] ep32 = __VERIFIER_nondet_bool() [L1251] ep34 = __VERIFIER_nondet_bool() [L1252] ep41 = __VERIFIER_nondet_bool() [L1253] ep42 = __VERIFIER_nondet_bool() [L1254] ep43 = __VERIFIER_nondet_bool() [L1255] id1 = __VERIFIER_nondet_char() [L1256] r1 = __VERIFIER_nondet_char() [L1257] st1 = __VERIFIER_nondet_char() [L1258] nl1 = __VERIFIER_nondet_char() [L1259] m1 = __VERIFIER_nondet_char() [L1260] max1 = __VERIFIER_nondet_char() [L1261] mode1 = __VERIFIER_nondet_bool() [L1262] newmax1 = __VERIFIER_nondet_bool() [L1263] id2 = __VERIFIER_nondet_char() [L1264] r2 = __VERIFIER_nondet_char() [L1265] st2 = __VERIFIER_nondet_char() [L1266] nl2 = __VERIFIER_nondet_char() [L1267] m2 = __VERIFIER_nondet_char() [L1268] max2 = __VERIFIER_nondet_char() [L1269] mode2 = __VERIFIER_nondet_bool() [L1270] newmax2 = __VERIFIER_nondet_bool() [L1271] id3 = __VERIFIER_nondet_char() [L1272] r3 = __VERIFIER_nondet_char() [L1273] st3 = __VERIFIER_nondet_char() [L1274] nl3 = __VERIFIER_nondet_char() [L1275] m3 = __VERIFIER_nondet_char() [L1276] max3 = __VERIFIER_nondet_char() [L1277] mode3 = __VERIFIER_nondet_bool() [L1278] newmax3 = __VERIFIER_nondet_bool() [L1279] id4 = __VERIFIER_nondet_char() [L1280] r4 = __VERIFIER_nondet_char() [L1281] st4 = __VERIFIER_nondet_char() [L1282] nl4 = __VERIFIER_nondet_char() [L1283] m4 = __VERIFIER_nondet_char() [L1284] max4 = __VERIFIER_nondet_char() [L1285] mode4 = __VERIFIER_nondet_bool() [L1286] newmax4 = __VERIFIER_nondet_bool() [L1287] CALL, EXPR init() [L409] _Bool r121 ; [L410] _Bool r131 ; [L411] _Bool r141 ; [L412] _Bool r211 ; [L413] _Bool r231 ; [L414] _Bool r241 ; [L415] _Bool r311 ; [L416] _Bool r321 ; [L417] _Bool r341 ; [L418] _Bool r411 ; [L419] _Bool r421 ; [L420] _Bool r431 ; [L421] _Bool r122 ; [L422] int tmp ; [L423] _Bool r132 ; [L424] int tmp___0 ; [L425] _Bool r142 ; [L426] int tmp___1 ; [L427] _Bool r212 ; [L428] int tmp___2 ; [L429] _Bool r232 ; [L430] int tmp___3 ; [L431] _Bool r242 ; [L432] int tmp___4 ; [L433] _Bool r312 ; [L434] int tmp___5 ; [L435] _Bool r322 ; [L436] int tmp___6 ; [L437] _Bool r342 ; [L438] int tmp___7 ; [L439] _Bool r412 ; [L440] int tmp___8 ; [L441] _Bool r422 ; [L442] int tmp___9 ; [L443] _Bool r432 ; [L444] int tmp___10 ; [L445] _Bool r123 ; [L446] int tmp___11 ; [L447] _Bool r133 ; [L448] int tmp___12 ; [L449] _Bool r143 ; [L450] int tmp___13 ; [L451] _Bool r213 ; [L452] int tmp___14 ; [L453] _Bool r233 ; [L454] int tmp___15 ; [L455] _Bool r243 ; [L456] int tmp___16 ; [L457] _Bool r313 ; [L458] int tmp___17 ; [L459] _Bool r323 ; [L460] int tmp___18 ; [L461] _Bool r343 ; [L462] int tmp___19 ; [L463] _Bool r413 ; [L464] int tmp___20 ; [L465] _Bool r423 ; [L466] int tmp___21 ; [L467] _Bool r433 ; [L468] int tmp___22 ; [L469] int tmp___23 ; [L472] r121 = ep12 [L473] r131 = ep13 [L474] r141 = ep14 [L475] r211 = ep21 [L476] r231 = ep23 [L477] r241 = ep24 [L478] r311 = ep31 [L479] r321 = ep32 [L480] r341 = ep34 [L481] r411 = ep41 [L482] r421 = ep42 [L483] r431 = ep43 [L484] COND TRUE \read(r121) [L485] tmp = 1 [L504] r122 = (_Bool )tmp [L505] COND TRUE \read(r131) [L506] tmp___0 = 1 [L525] r132 = (_Bool )tmp___0 [L526] COND TRUE \read(r141) [L527] tmp___1 = 1 [L546] r142 = (_Bool )tmp___1 [L547] COND TRUE \read(r211) [L548] tmp___2 = 1 [L567] r212 = (_Bool )tmp___2 [L568] COND TRUE \read(r231) [L569] tmp___3 = 1 [L588] r232 = (_Bool )tmp___3 [L589] COND TRUE \read(r241) [L590] tmp___4 = 1 [L609] r242 = (_Bool )tmp___4 [L610] COND TRUE \read(r311) [L611] tmp___5 = 1 [L630] r312 = (_Bool )tmp___5 [L631] COND TRUE \read(r321) [L632] tmp___6 = 1 [L651] r322 = (_Bool )tmp___6 [L652] COND TRUE \read(r341) [L653] tmp___7 = 1 [L672] r342 = (_Bool )tmp___7 [L673] COND TRUE \read(r411) [L674] tmp___8 = 1 [L693] r412 = (_Bool )tmp___8 [L694] COND TRUE \read(r421) [L695] tmp___9 = 1 [L714] r422 = (_Bool )tmp___9 [L715] COND TRUE \read(r431) [L716] tmp___10 = 1 [L735] r432 = (_Bool )tmp___10 [L736] COND TRUE \read(r122) [L737] tmp___11 = 1 [L756] r123 = (_Bool )tmp___11 [L757] COND TRUE \read(r132) [L758] tmp___12 = 1 [L777] r133 = (_Bool )tmp___12 [L778] COND TRUE \read(r142) [L779] tmp___13 = 1 [L798] r143 = (_Bool )tmp___13 [L799] COND TRUE \read(r212) [L800] tmp___14 = 1 [L819] r213 = (_Bool )tmp___14 [L820] COND TRUE \read(r232) [L821] tmp___15 = 1 [L840] r233 = (_Bool )tmp___15 [L841] COND TRUE \read(r242) [L842] tmp___16 = 1 [L861] r243 = (_Bool )tmp___16 [L862] COND TRUE \read(r312) [L863] tmp___17 = 1 [L882] r313 = (_Bool )tmp___17 [L883] COND TRUE \read(r322) [L884] tmp___18 = 1 [L903] r323 = (_Bool )tmp___18 [L904] COND TRUE \read(r342) [L905] tmp___19 = 1 [L924] r343 = (_Bool )tmp___19 [L925] COND TRUE \read(r412) [L926] tmp___20 = 1 [L945] r413 = (_Bool )tmp___20 [L946] COND TRUE \read(r422) [L947] tmp___21 = 1 [L966] r423 = (_Bool )tmp___21 [L967] COND TRUE \read(r432) [L968] tmp___22 = 1 [L987] r433 = (_Bool )tmp___22 [L988] COND TRUE (int )id1 != (int )id2 [L989] COND TRUE (int )id1 != (int )id3 [L990] COND TRUE (int )id1 != (int )id4 [L991] COND TRUE (int )id2 != (int )id3 [L992] COND TRUE (int )id2 != (int )id4 [L993] COND TRUE (int )id3 != (int )id4 [L994] COND TRUE (int )id1 >= 0 [L995] COND TRUE (int )id2 >= 0 [L996] COND TRUE (int )id3 >= 0 [L997] COND TRUE (int )id4 >= 0 [L998] COND TRUE (int )r1 == 0 [L999] COND TRUE (int )r2 == 0 [L1000] COND TRUE (int )r3 == 0 [L1001] COND TRUE (int )r4 == 0 [L1002] COND TRUE \read(r123) [L1003] COND TRUE \read(r133) [L1004] COND TRUE \read(r143) [L1005] COND TRUE \read(r213) [L1006] COND TRUE \read(r233) [L1007] COND TRUE \read(r243) [L1008] COND TRUE \read(r313) [L1009] COND TRUE \read(r323) [L1010] COND TRUE \read(r343) [L1011] COND TRUE \read(r413) [L1012] COND TRUE \read(r423) [L1013] COND TRUE \read(r433) [L1014] COND TRUE (int )max1 == (int )id1 [L1015] COND TRUE (int )max2 == (int )id2 [L1016] COND TRUE (int )max3 == (int )id3 [L1017] COND TRUE (int )max4 == (int )id4 [L1018] COND TRUE (int )st1 == 0 [L1019] COND TRUE (int )st2 == 0 [L1020] COND TRUE (int )st3 == 0 [L1021] COND TRUE (int )st4 == 0 [L1022] COND TRUE (int )nl1 == 0 [L1023] COND TRUE (int )nl2 == 0 [L1024] COND TRUE (int )nl3 == 0 [L1025] COND TRUE (int )nl4 == 0 [L1026] COND TRUE (int )mode1 == 0 [L1027] COND TRUE (int )mode2 == 0 [L1028] COND TRUE (int )mode3 == 0 [L1029] COND TRUE (int )mode4 == 0 [L1030] COND TRUE \read(newmax1) [L1031] COND TRUE \read(newmax2) [L1032] COND TRUE \read(newmax3) [L1033] COND TRUE \read(newmax4) [L1034] tmp___23 = 1 [L1173] return (tmp___23); [L1287] RET, EXPR init() [L1287] i2 = init() [L1289] p12_old = nomsg [L1290] p12_new = nomsg [L1291] p13_old = nomsg [L1292] p13_new = nomsg [L1293] p14_old = nomsg [L1294] p14_new = nomsg [L1295] p21_old = nomsg [L1296] p21_new = nomsg [L1297] p23_old = nomsg [L1298] p23_new = nomsg [L1299] p24_old = nomsg [L1300] p24_new = nomsg [L1301] p31_old = nomsg [L1302] p31_new = nomsg [L1303] p32_old = nomsg [L1304] p32_new = nomsg [L1305] p34_old = nomsg [L1306] p34_new = nomsg [L1307] p41_old = nomsg [L1308] p41_new = nomsg [L1309] p42_old = nomsg [L1310] p42_new = nomsg [L1311] p43_old = nomsg [L1312] p43_new = nomsg [L1313] i2 = 0 [L1314] COND TRUE i2 < 8 [L1316] CALL node1() [L152] _Bool newmax ; [L155] newmax = (_Bool)0 [L156] COND FALSE !(\read(mode1)) [L192] COND FALSE !((int )r1 < 3) [L209] mode1 = (_Bool)1 [L1316] RET node1() [L1317] CALL node2() [L216] _Bool newmax ; [L219] newmax = (_Bool)0 [L220] COND FALSE !(\read(mode2)) [L256] COND FALSE !((int )r2 < 3) [L273] mode2 = (_Bool)1 [L1317] RET node2() [L1318] CALL node3() [L280] _Bool newmax ; [L283] newmax = (_Bool)0 [L284] COND FALSE !(\read(mode3)) [L320] COND FALSE !((int )r3 < 3) [L337] mode3 = (_Bool)1 [L1318] RET node3() [L1319] CALL node4() [L344] _Bool newmax ; [L347] newmax = (_Bool)0 [L348] COND FALSE !(\read(mode4)) [L384] COND FALSE !((int )r4 < 3) [L401] mode4 = (_Bool)1 [L1319] RET node4() [L1320] p12_old = p12_new [L1321] p12_new = nomsg [L1322] p13_old = p13_new [L1323] p13_new = nomsg [L1324] p14_old = p14_new [L1325] p14_new = nomsg [L1326] p21_old = p21_new [L1327] p21_new = nomsg [L1328] p23_old = p23_new [L1329] p23_new = nomsg [L1330] p24_old = p24_new [L1331] p24_new = nomsg [L1332] p31_old = p31_new [L1333] p31_new = nomsg [L1334] p32_old = p32_new [L1335] p32_new = nomsg [L1336] p34_old = p34_new [L1337] p34_new = nomsg [L1338] p41_old = p41_new [L1339] p41_new = nomsg [L1340] p42_old = p42_new [L1341] p42_new = nomsg [L1342] p43_old = p43_new [L1343] p43_new = nomsg [L1344] CALL, EXPR check() [L1178] int tmp ; [L1181] COND FALSE !((((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1) [L1231] tmp = 0 [L1233] return (tmp); [L1344] RET, EXPR check() [L1344] c1 = check() [L1345] CALL assert(c1) [L1357] COND TRUE ! arg [L1359] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...