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.5_overflow.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:04:34,676 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:04:34,678 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:04:34,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:04:34,690 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:04:34,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:04:34,692 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:04:34,694 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:04:34,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:04:34,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:04:34,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:04:34,698 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:04:34,699 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:04:34,700 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:04:34,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:04:34,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:04:34,703 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:04:34,704 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:04:34,705 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:04:34,707 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:04:34,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:04:34,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:04:34,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:04:34,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:04:34,714 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:04:34,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:04:34,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:04:34,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:04:34,719 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:04:34,720 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:04:34,720 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:04:34,721 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:04:34,721 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:04:34,721 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:04:34,722 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:04:34,723 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:04:34,724 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 17:04:34,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:04:34,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:04:34,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:04:34,739 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:04:34,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:04:34,740 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:04:34,740 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:04:34,740 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:04:34,741 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:04:34,741 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:04:34,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:04:34,742 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:04:34,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:04:34,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:04:34,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:04:34,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:04:34,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:04:34,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:04:34,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:04:34,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:04:34,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:04:34,744 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:04:34,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:04:34,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:04:34,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:04:34,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:04:34,745 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:04:34,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:04:34,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:04:34,745 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:04:34,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:04:34,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:04:34,791 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:04:34,793 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:04:34,793 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:04:34,794 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2019-09-11 17:04:34,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd891ea4a/1c62c83570b841bb90afd7ce66c7b595/FLAGff35f2f7c [2019-09-11 17:04:35,360 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:04:35,361 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr.5_overflow.ufo.UNBOUNDED.pals.c [2019-09-11 17:04:35,372 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd891ea4a/1c62c83570b841bb90afd7ce66c7b595/FLAGff35f2f7c [2019-09-11 17:04:35,667 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd891ea4a/1c62c83570b841bb90afd7ce66c7b595 [2019-09-11 17:04:35,676 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:04:35,677 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:04:35,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:35,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:04:35,682 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:04:35,683 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:35" (1/1) ... [2019-09-11 17:04:35,686 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7394c2e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:35, skipping insertion in model container [2019-09-11 17:04:35,686 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:04:35" (1/1) ... [2019-09-11 17:04:35,693 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:04:35,741 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:04:36,088 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:36,101 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:04:36,176 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:04:36,198 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:04:36,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36 WrapperNode [2019-09-11 17:04:36,199 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:04:36,200 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:04:36,200 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:04:36,200 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:04:36,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,217 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,229 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,243 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (1/1) ... [2019-09-11 17:04:36,265 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:04:36,265 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:04:36,265 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:04:36,266 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:04:36,267 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:04:36" (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 17:04:36,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:04:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:04:36,350 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:04:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:04:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:04:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-11 17:04:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure node5 [2019-09-11 17:04:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:04:36,351 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:04:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:04:36,352 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:04:36,352 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:04:36,353 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:04:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:04:36,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:04:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:04:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:04:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:04:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:04:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:04:36,357 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:04:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:04:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:04:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure node5 [2019-09-11 17:04:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:04:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:04:36,358 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:04:36,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:04:36,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:04:37,118 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:04:37,119 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:04:37,120 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:37 BoogieIcfgContainer [2019-09-11 17:04:37,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:04:37,122 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:04:37,122 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:04:37,122 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:04:37,123 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:04:37" (1/1) ... [2019-09-11 17:04:37,157 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:04:37,294 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:04:42,088 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:04:42,121 INFO L272 AbstractInterpreter]: Visited 182 different actions 4471 times. Merged at 52 different actions 1736 times. Widened at 1 different actions 6 times. Performed 31151 root evaluator evaluations with a maximum evaluation depth of 7. Performed 31151 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 772 fixpoints after 51 different actions. Largest state had 114 variables. [2019-09-11 17:04:42,122 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:04:42,125 INFO L168 Benchmark]: Toolchain (without parser) took 6446.46 ms. Allocated memory was 144.2 MB in the beginning and 413.1 MB in the end (delta: 269.0 MB). Free memory was 91.7 MB in the beginning and 263.6 MB in the end (delta: -171.9 MB). Peak memory consumption was 97.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:42,125 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory is still 110.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 17:04:42,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.76 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 91.7 MB in the beginning and 175.1 MB in the end (delta: -83.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:42,127 INFO L168 Benchmark]: Boogie Preprocessor took 64.73 ms. Allocated memory is still 202.9 MB. Free memory was 175.1 MB in the beginning and 172.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:42,128 INFO L168 Benchmark]: RCFGBuilder took 855.65 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 131.3 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:42,129 INFO L168 Benchmark]: Abstract Interpretation took 5000.41 ms. Allocated memory was 202.9 MB in the beginning and 413.1 MB in the end (delta: 210.2 MB). Free memory was 131.3 MB in the beginning and 263.6 MB in the end (delta: -132.4 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:04:42,134 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 144.2 MB. Free memory is still 110.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 521.76 ms. Allocated memory was 144.2 MB in the beginning and 202.9 MB in the end (delta: 58.7 MB). Free memory was 91.7 MB in the beginning and 175.1 MB in the end (delta: -83.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.73 ms. Allocated memory is still 202.9 MB. Free memory was 175.1 MB in the beginning and 172.6 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 855.65 ms. Allocated memory is still 202.9 MB. Free memory was 172.6 MB in the beginning and 131.3 MB in the end (delta: 41.3 MB). Peak memory consumption was 41.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 5000.41 ms. Allocated memory was 202.9 MB in the beginning and 413.1 MB in the end (delta: 210.2 MB). Free memory was 131.3 MB in the beginning and 263.6 MB in the end (delta: -132.4 MB). Peak memory consumption was 77.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 470]: 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: [L72] msg_t nomsg = (msg_t )-1; [L73] unsigned char r1 ; [L74] port_t p1 ; [L75] char p1_old ; [L76] char p1_new ; [L77] char id1 ; [L78] char st1 ; [L79] msg_t send1 ; [L80] _Bool mode1 ; [L81] port_t p2 ; [L82] char p2_old ; [L83] char p2_new ; [L84] char id2 ; [L85] char st2 ; [L86] msg_t send2 ; [L87] _Bool mode2 ; [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] port_t p4 ; [L96] char p4_old ; [L97] char p4_new ; [L98] char id4 ; [L99] char st4 ; [L100] msg_t send4 ; [L101] _Bool mode4 ; [L102] port_t p5 ; [L103] char p5_old ; [L104] char p5_new ; [L105] char id5 ; [L106] char st5 ; [L107] msg_t send5 ; [L108] _Bool mode5 ; [L235-L236] void (*nodes[5])(void) = { & node1, & node2, & node3, & node4, & node5}; [L400] int c1 ; [L401] int i2 ; [L404] c1 = 0 [L405] r1 = __VERIFIER_nondet_uchar() [L406] id1 = __VERIFIER_nondet_char() [L407] st1 = __VERIFIER_nondet_char() [L408] send1 = __VERIFIER_nondet_char() [L409] mode1 = __VERIFIER_nondet_bool() [L410] id2 = __VERIFIER_nondet_char() [L411] st2 = __VERIFIER_nondet_char() [L412] send2 = __VERIFIER_nondet_char() [L413] mode2 = __VERIFIER_nondet_bool() [L414] id3 = __VERIFIER_nondet_char() [L415] st3 = __VERIFIER_nondet_char() [L416] send3 = __VERIFIER_nondet_char() [L417] mode3 = __VERIFIER_nondet_bool() [L418] id4 = __VERIFIER_nondet_char() [L419] st4 = __VERIFIER_nondet_char() [L420] send4 = __VERIFIER_nondet_char() [L421] mode4 = __VERIFIER_nondet_bool() [L422] id5 = __VERIFIER_nondet_char() [L423] st5 = __VERIFIER_nondet_char() [L424] send5 = __VERIFIER_nondet_char() [L425] mode5 = __VERIFIER_nondet_bool() [L426] CALL, EXPR init() [L239] int tmp ; [L242] COND TRUE (int )r1 == 0 [L243] COND TRUE (int )id1 >= 0 [L244] COND TRUE (int )st1 == 0 [L245] COND TRUE (int )send1 == (int )id1 [L246] COND TRUE (int )mode1 == 0 [L247] COND TRUE (int )id2 >= 0 [L248] COND TRUE (int )st2 == 0 [L249] COND TRUE (int )send2 == (int )id2 [L250] COND TRUE (int )mode2 == 0 [L251] COND TRUE (int )id3 >= 0 [L252] COND TRUE (int )st3 == 0 [L253] COND TRUE (int )send3 == (int )id3 [L254] COND TRUE (int )mode3 == 0 [L255] COND TRUE (int )id4 >= 0 [L256] COND TRUE (int )st4 == 0 [L257] COND TRUE (int )send4 == (int )id4 [L258] COND TRUE (int )mode4 == 0 [L259] COND TRUE (int )id5 >= 0 [L260] COND TRUE (int )st5 == 0 [L261] COND TRUE (int )send5 == (int )id5 [L262] COND TRUE (int )mode5 == 0 [L263] COND TRUE (int )id1 != (int )id2 [L264] COND TRUE (int )id1 != (int )id3 [L265] COND TRUE (int )id1 != (int )id4 [L266] COND TRUE (int )id1 != (int )id5 [L267] COND TRUE (int )id2 != (int )id3 [L268] COND TRUE (int )id2 != (int )id4 [L269] COND TRUE (int )id2 != (int )id5 [L270] COND TRUE (int )id3 != (int )id4 [L271] COND TRUE (int )id3 != (int )id5 [L272] COND TRUE (int )id4 != (int )id5 [L273] tmp = 1 [L367] return (tmp); [L426] RET, EXPR init() [L426] i2 = init() [L428] p1_old = nomsg [L429] p1_new = nomsg [L430] p2_old = nomsg [L431] p2_new = nomsg [L432] p3_old = nomsg [L433] p3_new = nomsg [L434] p4_old = nomsg [L435] p4_new = nomsg [L436] p5_old = nomsg [L437] p5_new = nomsg [L438] i2 = 0 [L439] COND TRUE 1 [L441] CALL node1() [L111] msg_t m1 ; [L114] m1 = nomsg [L115] COND TRUE \read(mode1) [L116] r1 = (unsigned char )((int )r1 + 1) [L117] m1 = p5_old [L118] p5_old = nomsg [L119] COND FALSE !((int )m1 != (int )nomsg) [L127] mode1 = (_Bool)0 [L441] RET node1() [L442] CALL node2() [L137] msg_t m2 ; [L140] m2 = nomsg [L141] COND FALSE !(\read(mode2)) [L154] EXPR send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L154] p2_new = send2 != nomsg && p2_new == nomsg ? send2 : p2_new [L155] mode2 = (_Bool)1 [L442] RET node2() [L443] CALL node3() [L162] msg_t m3 ; [L165] m3 = nomsg [L166] COND TRUE \read(mode3) [L167] m3 = p2_old [L168] p2_old = nomsg [L169] COND FALSE !((int )m3 != (int )nomsg) [L177] mode3 = (_Bool)0 [L443] RET node3() [L444] CALL node4() [L187] msg_t m4 ; [L190] m4 = nomsg [L191] COND TRUE \read(mode4) [L192] m4 = p3_old [L193] p3_old = nomsg [L194] COND FALSE !((int )m4 != (int )nomsg) [L202] mode4 = (_Bool)0 [L444] RET node4() [L445] CALL node5() [L212] msg_t m5 ; [L215] m5 = nomsg [L216] COND FALSE !(\read(mode5)) [L229] EXPR send5 != nomsg && p5_new == nomsg ? send5 : p5_new [L229] p5_new = send5 != nomsg && p5_new == nomsg ? send5 : p5_new [L230] mode5 = (_Bool)1 [L445] RET node5() [L446] p1_old = p1_new [L447] p1_new = nomsg [L448] p2_old = p2_new [L449] p2_new = nomsg [L450] p3_old = p3_new [L451] p3_new = nomsg [L452] p4_old = p4_new [L453] p4_new = nomsg [L454] p5_old = p5_new [L455] p5_new = nomsg [L456] CALL, EXPR check() [L372] int tmp ; [L375] COND FALSE !(((((int )st1 + (int )st2) + (int )st3) + (int )st4) + (int )st5 <= 1) [L393] tmp = 0 [L395] return (tmp); [L456] RET, EXPR check() [L456] c1 = check() [L457] CALL assert(c1) [L468] COND TRUE ! arg [L470] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...