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.3.2.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:03:17,051 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:03:17,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:03:17,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:03:17,064 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:03:17,066 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:03:17,067 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:03:17,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:03:17,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:03:17,071 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:03:17,072 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:03:17,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:03:17,074 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:03:17,075 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:03:17,076 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:03:17,077 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:03:17,078 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:03:17,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:03:17,080 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:03:17,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:03:17,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:03:17,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:03:17,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:03:17,087 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:03:17,090 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:03:17,094 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:03:17,094 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:03:17,095 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:03:17,096 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:03:17,097 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:03:17,097 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:03:17,098 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:03:17,098 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:03:17,099 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:03:17,100 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:03:17,100 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:03:17,101 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 17:03:17,116 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:03:17,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:03:17,117 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:03:17,117 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:03:17,118 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:03:17,118 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:03:17,118 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:03:17,119 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:03:17,119 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:03:17,119 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:03:17,120 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:03:17,120 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:03:17,120 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:03:17,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:03:17,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:03:17,121 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:03:17,121 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:03:17,121 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:03:17,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:03:17,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:03:17,122 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:03:17,122 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:03:17,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:03:17,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:03:17,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:03:17,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:03:17,123 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:03:17,123 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:03:17,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:03:17,123 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:03:17,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:03:17,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:03:17,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:03:17,172 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:03:17,172 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:03:17,173 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2019-09-11 17:03:17,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8651d3266/bf7e83cc2c7d4460bf2eff700f2e509d/FLAG3530f5c5e [2019-09-11 17:03:17,705 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:03:17,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_lcr-var-start-time.3.2.ufo.UNBOUNDED.pals.c [2019-09-11 17:03:17,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8651d3266/bf7e83cc2c7d4460bf2eff700f2e509d/FLAG3530f5c5e [2019-09-11 17:03:18,093 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8651d3266/bf7e83cc2c7d4460bf2eff700f2e509d [2019-09-11 17:03:18,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:03:18,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:03:18,114 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:03:18,114 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:03:18,118 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:03:18,119 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:03:18" (1/1) ... [2019-09-11 17:03:18,123 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a85c55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18, skipping insertion in model container [2019-09-11 17:03:18,123 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:03:18" (1/1) ... [2019-09-11 17:03:18,132 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:03:18,189 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:03:18,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:03:18,553 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:03:18,605 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:03:18,625 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:03:18,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18 WrapperNode [2019-09-11 17:03:18,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:03:18,628 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:03:18,628 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:03:18,628 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:03:18,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18" (1/1) ... [2019-09-11 17:03:18,651 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18" (1/1) ... [2019-09-11 17:03:18,659 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18" (1/1) ... [2019-09-11 17:03:18,660 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18" (1/1) ... [2019-09-11 17:03:18,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18" (1/1) ... [2019-09-11 17:03:18,683 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18" (1/1) ... [2019-09-11 17:03:18,686 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18" (1/1) ... [2019-09-11 17:03:18,690 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:03:18,697 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:03:18,697 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:03:18,697 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:03:18,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:03:18" (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 17:03:18,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:03:18,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:03:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:03:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:03:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:03:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:03:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:03:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:03:18,755 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:03:18,755 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:03:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:03:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:03:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:03:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:03:18,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:03:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:03:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:03:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:03:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:03:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:03:18,757 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:03:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:03:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:03:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:03:18,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:03:19,311 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:03:19,312 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:03:19,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:03:19 BoogieIcfgContainer [2019-09-11 17:03:19,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:03:19,315 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:03:19,315 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:03:19,315 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:03:19,316 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:03:19" (1/1) ... [2019-09-11 17:03:19,351 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:03:19,469 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:03:22,901 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:03:22,929 INFO L272 AbstractInterpreter]: Visited 146 different actions 3162 times. Merged at 44 different actions 940 times. Widened at 1 different actions 5 times. Performed 19174 root evaluator evaluations with a maximum evaluation depth of 6. Performed 19174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 670 fixpoints after 47 different actions. Largest state had 83 variables. [2019-09-11 17:03:22,930 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:03:22,933 INFO L168 Benchmark]: Toolchain (without parser) took 4822.52 ms. Allocated memory was 132.6 MB in the beginning and 325.1 MB in the end (delta: 192.4 MB). Free memory was 88.4 MB in the beginning and 118.4 MB in the end (delta: -30.0 MB). Peak memory consumption was 162.4 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:22,935 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:03:22,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.69 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 173.3 MB in the end (delta: -85.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:22,937 INFO L168 Benchmark]: Boogie Preprocessor took 62.64 ms. Allocated memory is still 199.8 MB. Free memory was 173.3 MB in the beginning and 171.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:22,938 INFO L168 Benchmark]: RCFGBuilder took 617.02 ms. Allocated memory is still 199.8 MB. Free memory was 171.4 MB in the beginning and 138.6 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:22,939 INFO L168 Benchmark]: Abstract Interpretation took 3615.10 ms. Allocated memory was 199.8 MB in the beginning and 325.1 MB in the end (delta: 125.3 MB). Free memory was 138.0 MB in the beginning and 118.4 MB in the end (delta: 19.6 MB). Peak memory consumption was 144.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:03:22,949 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.6 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 513.69 ms. Allocated memory was 132.6 MB in the beginning and 199.8 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 173.3 MB in the end (delta: -85.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.64 ms. Allocated memory is still 199.8 MB. Free memory was 173.3 MB in the beginning and 171.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 617.02 ms. Allocated memory is still 199.8 MB. Free memory was 171.4 MB in the beginning and 138.6 MB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 3615.10 ms. Allocated memory was 199.8 MB in the beginning and 325.1 MB in the end (delta: 125.3 MB). Free memory was 138.0 MB in the beginning and 118.4 MB in the end (delta: 19.6 MB). Peak memory consumption was 144.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 354]: 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 ; [L199] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L299] int c1 ; [L300] int i2 ; [L303] c1 = 0 [L304] r1 = __VERIFIER_nondet_uchar() [L305] id1 = __VERIFIER_nondet_char() [L306] st1 = __VERIFIER_nondet_char() [L307] send1 = __VERIFIER_nondet_char() [L308] mode1 = __VERIFIER_nondet_bool() [L309] alive1 = __VERIFIER_nondet_bool() [L310] id2 = __VERIFIER_nondet_char() [L311] st2 = __VERIFIER_nondet_char() [L312] send2 = __VERIFIER_nondet_char() [L313] mode2 = __VERIFIER_nondet_bool() [L314] alive2 = __VERIFIER_nondet_bool() [L315] id3 = __VERIFIER_nondet_char() [L316] st3 = __VERIFIER_nondet_char() [L317] send3 = __VERIFIER_nondet_char() [L318] mode3 = __VERIFIER_nondet_bool() [L319] alive3 = __VERIFIER_nondet_bool() [L320] CALL, EXPR init() [L202] int tmp ; [L205] COND TRUE (int )r1 == 0 [L206] COND TRUE ((int )alive1 + (int )alive2) + (int )alive3 >= 1 [L207] COND TRUE (int )id1 >= 0 [L208] COND TRUE (int )st1 == 0 [L209] COND TRUE (int )send1 == (int )id1 [L210] COND TRUE (int )mode1 == 0 [L211] COND TRUE (int )id2 >= 0 [L212] COND TRUE (int )st2 == 0 [L213] COND TRUE (int )send2 == (int )id2 [L214] COND TRUE (int )mode2 == 0 [L215] COND TRUE (int )id3 >= 0 [L216] COND TRUE (int )st3 == 0 [L217] COND TRUE (int )send3 == (int )id3 [L218] COND TRUE (int )mode3 == 0 [L219] COND TRUE (int )id1 != (int )id2 [L220] COND TRUE (int )id1 != (int )id3 [L221] COND TRUE (int )id2 != (int )id3 [L222] tmp = 1 [L274] return (tmp); [L320] RET, EXPR init() [L320] i2 = init() [L322] p1_old = nomsg [L323] p1_new = nomsg [L324] p2_old = nomsg [L325] p2_new = nomsg [L326] p3_old = nomsg [L327] p3_new = nomsg [L328] i2 = 0 [L329] COND TRUE 1 [L331] CALL node1() [L98] msg_t m1 ; [L101] m1 = nomsg [L102] COND FALSE !(\read(mode1)) [L123] COND FALSE !(\read(alive1)) [L126] mode1 = (_Bool)1 [L331] RET node1() [L332] CALL node2() [L133] msg_t m2 ; [L136] m2 = nomsg [L137] COND TRUE \read(mode2) [L138] m2 = p1_old [L139] p1_old = nomsg [L140] COND FALSE !((int )m2 != (int )nomsg) [L152] mode2 = (_Bool)0 [L332] RET node2() [L333] CALL node3() [L167] msg_t m3 ; [L170] m3 = nomsg [L171] COND TRUE \read(mode3) [L172] m3 = p2_old [L173] p2_old = nomsg [L174] COND FALSE !((int )m3 != (int )nomsg) [L186] mode3 = (_Bool)0 [L333] RET node3() [L334] p1_old = p1_new [L335] p1_new = nomsg [L336] p2_old = p2_new [L337] p2_new = nomsg [L338] p3_old = p3_new [L339] p3_new = nomsg [L340] CALL, EXPR check() [L279] int tmp ; [L282] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L292] tmp = 0 [L294] return (tmp); [L340] RET, EXPR check() [L340] c1 = check() [L341] CALL assert(c1) [L352] COND TRUE ! arg [L354] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...