java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:15:51,062 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:15:51,064 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:15:51,075 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:15:51,076 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:15:51,077 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:15:51,079 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:15:51,083 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:15:51,084 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:15:51,085 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:15:51,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:15:51,087 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:15:51,088 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:15:51,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:15:51,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:15:51,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:15:51,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:15:51,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:15:51,094 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:15:51,096 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:15:51,098 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:15:51,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:15:51,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:15:51,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:15:51,103 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 17:15:51,103 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 17:15:51,103 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 17:15:51,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 17:15:51,105 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 17:15:51,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 17:15:51,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:15:51,106 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:15:51,107 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:15:51,108 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:15:51,109 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:15:51,109 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:15:51,110 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:15:51,110 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:15:51,110 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:15:51,111 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:15:51,112 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:15:51,112 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 17:15:51,127 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:15:51,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:15:51,128 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:15:51,128 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:15:51,129 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:15:51,129 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:15:51,129 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:15:51,129 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:15:51,129 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:15:51,130 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:15:51,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:15:51,130 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:15:51,131 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:15:51,131 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:15:51,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:15:51,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:15:51,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:15:51,132 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:15:51,132 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:15:51,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:15:51,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:15:51,132 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:15:51,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:15:51,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:15:51,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:15:51,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:15:51,133 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:15:51,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:15:51,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:15:51,134 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:15:51,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:15:51,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:15:51,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:15:51,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:15:51,183 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:15:51,184 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:15:51,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044d5e3cb/b6ec895eec624cfd910f39bc20d42d11/FLAG18b80d710 [2019-09-11 17:15:51,766 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:15:51,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded-reduced/pals_lcr-var-start-time.4.2.ufo.UNBOUNDED.pals.c.v+nlh-reducer.c [2019-09-11 17:15:51,782 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044d5e3cb/b6ec895eec624cfd910f39bc20d42d11/FLAG18b80d710 [2019-09-11 17:15:52,108 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/044d5e3cb/b6ec895eec624cfd910f39bc20d42d11 [2019-09-11 17:15:52,116 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:15:52,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:15:52,119 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:15:52,119 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:15:52,123 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:15:52,124 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:15:52" (1/1) ... [2019-09-11 17:15:52,127 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ffd4eb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52, skipping insertion in model container [2019-09-11 17:15:52,127 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:15:52" (1/1) ... [2019-09-11 17:15:52,134 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:15:52,194 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:15:52,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:15:52,614 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:15:52,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:15:52,726 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:15:52,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52 WrapperNode [2019-09-11 17:15:52,727 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:15:52,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:15:52,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:15:52,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:15:52,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52" (1/1) ... [2019-09-11 17:15:52,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52" (1/1) ... [2019-09-11 17:15:52,753 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52" (1/1) ... [2019-09-11 17:15:52,754 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52" (1/1) ... [2019-09-11 17:15:52,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52" (1/1) ... [2019-09-11 17:15:52,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52" (1/1) ... [2019-09-11 17:15:52,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52" (1/1) ... [2019-09-11 17:15:52,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:15:52,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:15:52,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:15:52,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:15:52,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:15:52" (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 17:15:52,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:15:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:15:52,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:15:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:15:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:15:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:15:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:15:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:15:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:15:52,850 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:15:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:15:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:15:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:15:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:15:52,851 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:15:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:15:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:15:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:15:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:15:52,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:15:53,652 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:15:53,652 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 17:15:53,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:15:53 BoogieIcfgContainer [2019-09-11 17:15:53,654 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:15:53,655 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:15:53,655 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:15:53,655 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:15:53,656 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:15:53" (1/1) ... [2019-09-11 17:15:53,694 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:15:53,873 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:15:57,274 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:15:57,327 INFO L272 AbstractInterpreter]: Visited 294 different actions 4311 times. Merged at 179 different actions 2574 times. Widened at 46 different actions 390 times. Performed 11024 root evaluator evaluations with a maximum evaluation depth of 6. Performed 11024 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1087 fixpoints after 126 different actions. Largest state had 145 variables. [2019-09-11 17:15:57,327 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:15:57,329 INFO L168 Benchmark]: Toolchain (without parser) took 5211.00 ms. Allocated memory was 143.1 MB in the beginning and 308.8 MB in the end (delta: 165.7 MB). Free memory was 89.9 MB in the beginning and 165.4 MB in the end (delta: -75.5 MB). Peak memory consumption was 90.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:57,331 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:15:57,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.24 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 89.7 MB in the beginning and 172.5 MB in the end (delta: -82.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:57,333 INFO L168 Benchmark]: Boogie Preprocessor took 63.66 ms. Allocated memory is still 202.9 MB. Free memory was 172.5 MB in the beginning and 169.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:57,336 INFO L168 Benchmark]: RCFGBuilder took 862.07 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 106.6 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:57,337 INFO L168 Benchmark]: Abstract Interpretation took 3672.63 ms. Allocated memory was 202.9 MB in the beginning and 308.8 MB in the end (delta: 105.9 MB). Free memory was 106.6 MB in the beginning and 165.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2019-09-11 17:15:57,343 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 143.1 MB. Free memory was 109.4 MB in the beginning and 109.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 608.24 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 89.7 MB in the beginning and 172.5 MB in the end (delta: -82.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 63.66 ms. Allocated memory is still 202.9 MB. Free memory was 172.5 MB in the beginning and 169.5 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 862.07 ms. Allocated memory is still 202.9 MB. Free memory was 169.5 MB in the beginning and 106.6 MB in the end (delta: 62.9 MB). Peak memory consumption was 62.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 3672.63 ms. Allocated memory was 202.9 MB in the beginning and 308.8 MB in the end (delta: 105.9 MB). Free memory was 106.6 MB in the beginning and 165.4 MB in the end (delta: -58.8 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 361]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L12] msg_t nomsg = (msg_t )-1; [L13] unsigned char r1 = '\x0'; [L14] port_t p1 = 0; [L15] char p1_old = '\x0'; [L16] char p1_new = '\x0'; [L17] char id1 = '\x0'; [L18] char st1 = '\x0'; [L19] msg_t send1 = '\x0'; [L20] _Bool mode1 = 0; [L21] _Bool alive1 = 0; [L22] port_t p2 = 0; [L23] char p2_old = '\x0'; [L24] char p2_new = '\x0'; [L25] char id2 = '\x0'; [L26] char st2 = '\x0'; [L27] msg_t send2 = '\x0'; [L28] _Bool mode2 = 0; [L29] _Bool alive2 = 0; [L30] port_t p3 = 0; [L31] char p3_old = '\x0'; [L32] char p3_new = '\x0'; [L33] char id3 = '\x0'; [L34] char st3 = '\x0'; [L35] msg_t send3 = '\x0'; [L36] _Bool mode3 = 0; [L37] _Bool alive3 = 0; [L38] port_t p4 = 0; [L39] char p4_old = '\x0'; [L40] char p4_new = '\x0'; [L41] char id4 = '\x0'; [L42] char st4 = '\x0'; [L43] msg_t send4 = '\x0'; [L44] _Bool mode4 = 0; [L45] _Bool alive4 = 0; [L50] void (*nodes[4])() = { &node1, &node2, &node3, &node4 }; [L54] int __return_10566; [L55] int __return_10664; [L56] int __return_10824; [L59] int main__c1; [L60] int main__i2; [L61] main__c1 = 0 [L62] r1 = __VERIFIER_nondet_uchar() [L63] id1 = __VERIFIER_nondet_char() [L64] st1 = __VERIFIER_nondet_char() [L65] send1 = __VERIFIER_nondet_char() [L66] mode1 = __VERIFIER_nondet_bool() [L67] alive1 = __VERIFIER_nondet_bool() [L68] id2 = __VERIFIER_nondet_char() [L69] st2 = __VERIFIER_nondet_char() [L70] send2 = __VERIFIER_nondet_char() [L71] mode2 = __VERIFIER_nondet_bool() [L72] alive2 = __VERIFIER_nondet_bool() [L73] id3 = __VERIFIER_nondet_char() [L74] st3 = __VERIFIER_nondet_char() [L75] send3 = __VERIFIER_nondet_char() [L76] mode3 = __VERIFIER_nondet_bool() [L77] alive3 = __VERIFIER_nondet_bool() [L78] id4 = __VERIFIER_nondet_char() [L79] st4 = __VERIFIER_nondet_char() [L80] send4 = __VERIFIER_nondet_char() [L81] mode4 = __VERIFIER_nondet_bool() [L82] alive4 = __VERIFIER_nondet_bool() [L84] int init__tmp; [L85] COND TRUE ((int)r1) == 0 [L87] COND TRUE (((((int)alive1) + ((int)alive2)) + ((int)alive3)) + ((int)alive4)) >= 1 [L89] COND TRUE ((int)id1) >= 0 [L91] COND TRUE ((int)st1) == 0 [L93] COND TRUE ((int)send1) == ((int)id1) [L95] COND TRUE ((int)mode1) == 0 [L97] COND TRUE ((int)id2) >= 0 [L99] COND TRUE ((int)st2) == 0 [L101] COND TRUE ((int)send2) == ((int)id2) [L103] COND TRUE ((int)mode2) == 0 [L105] COND TRUE ((int)id3) >= 0 [L107] COND TRUE ((int)st3) == 0 [L109] COND TRUE ((int)send3) == ((int)id3) [L111] COND TRUE ((int)mode3) == 0 [L113] COND TRUE ((int)id4) >= 0 [L115] COND TRUE ((int)st4) == 0 [L117] COND TRUE ((int)send4) == ((int)id4) [L119] COND TRUE ((int)mode4) == 0 [L121] COND TRUE ((int)id1) != ((int)id2) [L123] COND TRUE ((int)id1) != ((int)id3) [L125] COND TRUE ((int)id1) != ((int)id4) [L127] COND TRUE ((int)id2) != ((int)id3) [L129] COND TRUE ((int)id2) != ((int)id4) [L131] COND TRUE ((int)id3) != ((int)id4) [L133] init__tmp = 1 [L134] __return_10566 = init__tmp [L135] main__i2 = __return_10566 [L136] COND TRUE main__i2 != 0 [L138] p1_old = nomsg [L139] p1_new = nomsg [L140] p2_old = nomsg [L141] p2_new = nomsg [L142] p3_old = nomsg [L143] p3_new = nomsg [L144] p4_old = nomsg [L145] p4_new = nomsg [L146] main__i2 = 0 [L148] msg_t node1__m1; [L149] node1__m1 = nomsg [L150] COND FALSE !(!(mode1 == 0)) [L156] COND FALSE !(!(alive1 == 0)) [L167] mode1 = 1 [L169] msg_t node2__m2; [L170] node2__m2 = nomsg [L171] COND FALSE !(!(mode2 == 0)) [L177] COND FALSE !(!(alive2 == 0)) [L1025] COND FALSE !(((int)send2) != ((int)id2)) [L188] mode2 = 1 [L190] msg_t node3__m3; [L191] node3__m3 = nomsg [L192] COND FALSE !(!(mode3 == 0)) [L198] COND FALSE !(!(alive3 == 0)) [L981] COND FALSE !(((int)send3) != ((int)id3)) [L209] mode3 = 1 [L211] msg_t node4__m4; [L212] node4__m4 = nomsg [L213] COND FALSE !(!(mode4 == 0)) [L219] COND FALSE !(!(alive4 == 0)) [L937] COND FALSE !(((int)send4) != ((int)id4)) [L230] mode4 = 1 [L231] p1_old = p1_new [L232] p1_new = nomsg [L233] p2_old = p2_new [L234] p2_new = nomsg [L235] p3_old = p3_new [L236] p3_new = nomsg [L237] p4_old = p4_new [L238] p4_new = nomsg [L240] int check__tmp; [L241] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L243] COND TRUE ((int)r1) < 4 [L245] check__tmp = 1 [L246] __return_10664 = check__tmp [L247] main__c1 = __return_10664 [L249] _Bool __tmp_1; [L250] __tmp_1 = main__c1 [L251] _Bool assert__arg; [L252] assert__arg = __tmp_1 [L253] COND FALSE !(assert__arg == 0) [L260] msg_t node1__m1; [L261] node1__m1 = nomsg [L262] COND TRUE !(mode1 == 0) [L264] COND FALSE !(r1 == 255) [L270] r1 = r1 + 1 [L271] node1__m1 = p4_old [L272] p4_old = nomsg [L273] COND FALSE !(((int)node1__m1) != ((int)nomsg)) [L282] mode1 = 0 [L284] msg_t node2__m2; [L285] node2__m2 = nomsg [L286] COND TRUE !(mode2 == 0) [L288] node2__m2 = p1_old [L289] p1_old = nomsg [L290] COND FALSE !(((int)node2__m2) != ((int)nomsg)) [L299] mode2 = 0 [L301] msg_t node3__m3; [L302] node3__m3 = nomsg [L303] COND TRUE !(mode3 == 0) [L305] node3__m3 = p2_old [L306] p2_old = nomsg [L307] COND FALSE !(((int)node3__m3) != ((int)nomsg)) [L316] mode3 = 0 [L318] msg_t node4__m4; [L319] node4__m4 = nomsg [L320] COND TRUE !(mode4 == 0) [L322] node4__m4 = p3_old [L323] p3_old = nomsg [L324] COND FALSE !(((int)node4__m4) != ((int)nomsg)) [L333] mode4 = 0 [L335] p1_old = p1_new [L336] p1_new = nomsg [L337] p2_old = p2_new [L338] p2_new = nomsg [L339] p3_old = p3_new [L340] p3_new = nomsg [L341] p4_old = p4_new [L342] p4_new = nomsg [L344] int check__tmp; [L345] COND TRUE (((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) <= 1 [L347] COND FALSE !(((int)r1) < 4) [L771] COND FALSE !((((((int)st1) + ((int)st2)) + ((int)st3)) + ((int)st4)) == 1) [L778] check__tmp = 0 [L352] __return_10824 = check__tmp [L353] main__c1 = __return_10824 [L355] _Bool __tmp_2; [L356] __tmp_2 = main__c1 [L357] _Bool assert__arg; [L358] assert__arg = __tmp_2 [L359] COND TRUE assert__arg == 0 [L361] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...