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.4.1.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:05:39,413 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:05:39,415 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:05:39,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:05:39,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:05:39,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:05:39,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:05:39,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:05:39,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:05:39,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:05:39,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:05:39,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:05:39,438 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:05:39,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:05:39,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:05:39,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:05:39,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:05:39,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:05:39,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:05:39,446 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:05:39,448 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:05:39,449 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:05:39,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:05:39,450 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:05:39,452 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:05:39,455 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:05:39,456 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:05:39,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:05:39,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:05:39,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:05:39,459 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:05:39,460 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:05:39,460 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:05:39,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:05:39,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:05:39,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:05:39,463 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 17:05:39,478 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:05:39,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:05:39,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:05:39,479 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:05:39,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:05:39,480 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:05:39,480 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:05:39,480 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:05:39,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:05:39,480 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:05:39,481 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:05:39,481 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:05:39,482 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:05:39,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:05:39,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:05:39,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:05:39,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:05:39,482 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:05:39,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:05:39,483 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:05:39,483 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:05:39,483 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:05:39,484 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:05:39,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:05:39,484 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:05:39,484 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:05:39,485 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:05:39,485 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:05:39,485 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:05:39,485 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:05:39,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:05:39,552 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:05:39,558 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:05:39,560 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:05:39,561 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:05:39,562 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c [2019-09-11 17:05:39,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d895e11/40902d50ce064183aa2848a36168327d/FLAGd0aafc9e7 [2019-09-11 17:05:40,141 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:05:40,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.4.1.ufo.UNBOUNDED.pals.c [2019-09-11 17:05:40,165 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d895e11/40902d50ce064183aa2848a36168327d/FLAGd0aafc9e7 [2019-09-11 17:05:40,461 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6d895e11/40902d50ce064183aa2848a36168327d [2019-09-11 17:05:40,474 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:05:40,476 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:05:40,477 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:40,478 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:05:40,481 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:05:40,482 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:40" (1/1) ... [2019-09-11 17:05:40,485 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c68dd03 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 17:05:40,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:40" (1/1) ... [2019-09-11 17:05:40,494 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:05:40,559 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:05:41,026 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:41,042 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:05:41,137 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:41,158 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:05:41,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:41 WrapperNode [2019-09-11 17:05:41,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:41,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:05:41,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:05:41,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:05:41,174 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 17:05:41,174 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 17:05:41,191 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 17:05:41,192 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 17:05:41,221 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 17:05:41,249 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 17:05:41,255 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 17:05:41,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:05:41,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:05:41,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:05:41,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:05:41,265 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 17:05:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:05:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:05:41,342 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:05:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:05:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:05:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure node4 [2019-09-11 17:05:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:05:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:05:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:05:41,343 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:05:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:05:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:05:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:05:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:05:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:05:41,344 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:05:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:05:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:05:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:05:41,345 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:05:41,346 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:05:41,347 INFO L130 BoogieDeclarations]: Found specification of procedure node4 [2019-09-11 17:05:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:05:41,348 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:05:41,349 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:05:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:05:41,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:05:42,813 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:05:42,813 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:05:42,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:42 BoogieIcfgContainer [2019-09-11 17:05:42,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:05:42,817 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:05:42,817 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:05:42,818 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:05:42,820 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:42" (1/1) ... [2019-09-11 17:05:42,878 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:05:43,128 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:06:16,814 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:06:16,865 INFO L272 AbstractInterpreter]: Visited 592 different actions 38352 times. Merged at 355 different actions 16644 times. Widened at 22 different actions 158 times. Performed 198494 root evaluator evaluations with a maximum evaluation depth of 6. Performed 198494 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 14321 fixpoints after 319 different actions. Largest state had 236 variables. [2019-09-11 17:06:16,865 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:06:16,868 INFO L168 Benchmark]: Toolchain (without parser) took 36391.54 ms. Allocated memory was 140.0 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 87.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 524.2 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:16,869 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:06:16,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.94 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 87.1 MB in the beginning and 166.5 MB in the end (delta: -79.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:16,871 INFO L168 Benchmark]: Boogie Preprocessor took 104.05 ms. Allocated memory is still 200.8 MB. Free memory was 166.5 MB in the beginning and 162.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:16,872 INFO L168 Benchmark]: RCFGBuilder took 1552.37 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 162.0 MB in the beginning and 172.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:16,873 INFO L168 Benchmark]: Abstract Interpretation took 34048.28 ms. Allocated memory was 226.5 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 172.9 MB in the beginning and 1.2 GB in the end (delta: -989.3 MB). Peak memory consumption was 523.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:06:16,878 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.94 ms. Allocated memory was 140.0 MB in the beginning and 200.8 MB in the end (delta: 60.8 MB). Free memory was 87.1 MB in the beginning and 166.5 MB in the end (delta: -79.4 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.05 ms. Allocated memory is still 200.8 MB. Free memory was 166.5 MB in the beginning and 162.0 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1552.37 ms. Allocated memory was 200.8 MB in the beginning and 226.5 MB in the end (delta: 25.7 MB). Free memory was 162.0 MB in the beginning and 172.9 MB in the end (delta: -10.9 MB). Peak memory consumption was 89.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 34048.28 ms. Allocated memory was 226.5 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 172.9 MB in the beginning and 1.2 GB in the end (delta: -989.3 MB). Peak memory consumption was 523.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 1323]: 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] port_t p12 ; [L72] char p12_old ; [L73] char p12_new ; [L74] _Bool ep12 ; [L75] port_t p13 ; [L76] char p13_old ; [L77] char p13_new ; [L78] _Bool ep13 ; [L79] port_t p14 ; [L80] char p14_old ; [L81] char p14_new ; [L82] _Bool ep14 ; [L83] port_t p21 ; [L84] char p21_old ; [L85] char p21_new ; [L86] _Bool ep21 ; [L87] port_t p23 ; [L88] char p23_old ; [L89] char p23_new ; [L90] _Bool ep23 ; [L91] port_t p24 ; [L92] char p24_old ; [L93] char p24_new ; [L94] _Bool ep24 ; [L95] port_t p31 ; [L96] char p31_old ; [L97] char p31_new ; [L98] _Bool ep31 ; [L99] port_t p32 ; [L100] char p32_old ; [L101] char p32_new ; [L102] _Bool ep32 ; [L103] port_t p34 ; [L104] char p34_old ; [L105] char p34_new ; [L106] _Bool ep34 ; [L107] port_t p41 ; [L108] char p41_old ; [L109] char p41_new ; [L110] _Bool ep41 ; [L111] port_t p42 ; [L112] char p42_old ; [L113] char p42_new ; [L114] _Bool ep42 ; [L115] port_t p43 ; [L116] char p43_old ; [L117] char p43_new ; [L118] _Bool ep43 ; [L119] char id1 ; [L120] unsigned char r1 ; [L121] char st1 ; [L122] char nl1 ; [L123] char m1 ; [L124] char max1 ; [L125] _Bool mode1 ; [L126] _Bool newmax1 ; [L127] char id2 ; [L128] unsigned char r2 ; [L129] char st2 ; [L130] char nl2 ; [L131] char m2 ; [L132] char max2 ; [L133] _Bool mode2 ; [L134] _Bool newmax2 ; [L135] char id3 ; [L136] unsigned char r3 ; [L137] char st3 ; [L138] char nl3 ; [L139] char m3 ; [L140] char max3 ; [L141] _Bool mode3 ; [L142] _Bool newmax3 ; [L143] char id4 ; [L144] unsigned char r4 ; [L145] char st4 ; [L146] char nl4 ; [L147] char m4 ; [L148] char max4 ; [L149] _Bool mode4 ; [L150] _Bool newmax4 ; [L419] void (*nodes[4])(void) = { & node1, & node2, & node3, & node4}; [L1203] int c1 ; [L1204] int i2 ; [L1207] c1 = 0 [L1208] ep12 = __VERIFIER_nondet_bool() [L1209] ep13 = __VERIFIER_nondet_bool() [L1210] ep14 = __VERIFIER_nondet_bool() [L1211] ep21 = __VERIFIER_nondet_bool() [L1212] ep23 = __VERIFIER_nondet_bool() [L1213] ep24 = __VERIFIER_nondet_bool() [L1214] ep31 = __VERIFIER_nondet_bool() [L1215] ep32 = __VERIFIER_nondet_bool() [L1216] ep34 = __VERIFIER_nondet_bool() [L1217] ep41 = __VERIFIER_nondet_bool() [L1218] ep42 = __VERIFIER_nondet_bool() [L1219] ep43 = __VERIFIER_nondet_bool() [L1220] id1 = __VERIFIER_nondet_char() [L1221] r1 = __VERIFIER_nondet_uchar() [L1222] st1 = __VERIFIER_nondet_char() [L1223] nl1 = __VERIFIER_nondet_char() [L1224] m1 = __VERIFIER_nondet_char() [L1225] max1 = __VERIFIER_nondet_char() [L1226] mode1 = __VERIFIER_nondet_bool() [L1227] newmax1 = __VERIFIER_nondet_bool() [L1228] id2 = __VERIFIER_nondet_char() [L1229] r2 = __VERIFIER_nondet_uchar() [L1230] st2 = __VERIFIER_nondet_char() [L1231] nl2 = __VERIFIER_nondet_char() [L1232] m2 = __VERIFIER_nondet_char() [L1233] max2 = __VERIFIER_nondet_char() [L1234] mode2 = __VERIFIER_nondet_bool() [L1235] newmax2 = __VERIFIER_nondet_bool() [L1236] id3 = __VERIFIER_nondet_char() [L1237] r3 = __VERIFIER_nondet_uchar() [L1238] st3 = __VERIFIER_nondet_char() [L1239] nl3 = __VERIFIER_nondet_char() [L1240] m3 = __VERIFIER_nondet_char() [L1241] max3 = __VERIFIER_nondet_char() [L1242] mode3 = __VERIFIER_nondet_bool() [L1243] newmax3 = __VERIFIER_nondet_bool() [L1244] id4 = __VERIFIER_nondet_char() [L1245] r4 = __VERIFIER_nondet_uchar() [L1246] st4 = __VERIFIER_nondet_char() [L1247] nl4 = __VERIFIER_nondet_char() [L1248] m4 = __VERIFIER_nondet_char() [L1249] max4 = __VERIFIER_nondet_char() [L1250] mode4 = __VERIFIER_nondet_bool() [L1251] newmax4 = __VERIFIER_nondet_bool() [L1252] CALL, EXPR init() [L422] _Bool r121 ; [L423] _Bool r131 ; [L424] _Bool r141 ; [L425] _Bool r211 ; [L426] _Bool r231 ; [L427] _Bool r241 ; [L428] _Bool r311 ; [L429] _Bool r321 ; [L430] _Bool r341 ; [L431] _Bool r411 ; [L432] _Bool r421 ; [L433] _Bool r431 ; [L434] _Bool r122 ; [L435] int tmp ; [L436] _Bool r132 ; [L437] int tmp___0 ; [L438] _Bool r142 ; [L439] int tmp___1 ; [L440] _Bool r212 ; [L441] int tmp___2 ; [L442] _Bool r232 ; [L443] int tmp___3 ; [L444] _Bool r242 ; [L445] int tmp___4 ; [L446] _Bool r312 ; [L447] int tmp___5 ; [L448] _Bool r322 ; [L449] int tmp___6 ; [L450] _Bool r342 ; [L451] int tmp___7 ; [L452] _Bool r412 ; [L453] int tmp___8 ; [L454] _Bool r422 ; [L455] int tmp___9 ; [L456] _Bool r432 ; [L457] int tmp___10 ; [L458] _Bool r123 ; [L459] int tmp___11 ; [L460] _Bool r133 ; [L461] int tmp___12 ; [L462] _Bool r143 ; [L463] int tmp___13 ; [L464] _Bool r213 ; [L465] int tmp___14 ; [L466] _Bool r233 ; [L467] int tmp___15 ; [L468] _Bool r243 ; [L469] int tmp___16 ; [L470] _Bool r313 ; [L471] int tmp___17 ; [L472] _Bool r323 ; [L473] int tmp___18 ; [L474] _Bool r343 ; [L475] int tmp___19 ; [L476] _Bool r413 ; [L477] int tmp___20 ; [L478] _Bool r423 ; [L479] int tmp___21 ; [L480] _Bool r433 ; [L481] int tmp___22 ; [L482] int tmp___23 ; [L485] r121 = ep12 [L486] r131 = ep13 [L487] r141 = ep14 [L488] r211 = ep21 [L489] r231 = ep23 [L490] r241 = ep24 [L491] r311 = ep31 [L492] r321 = ep32 [L493] r341 = ep34 [L494] r411 = ep41 [L495] r421 = ep42 [L496] r431 = ep43 [L497] COND TRUE \read(r121) [L498] tmp = 1 [L517] r122 = (_Bool )tmp [L518] COND TRUE \read(r131) [L519] tmp___0 = 1 [L538] r132 = (_Bool )tmp___0 [L539] COND TRUE \read(r141) [L540] tmp___1 = 1 [L559] r142 = (_Bool )tmp___1 [L560] COND TRUE \read(r211) [L561] tmp___2 = 1 [L580] r212 = (_Bool )tmp___2 [L581] COND TRUE \read(r231) [L582] tmp___3 = 1 [L601] r232 = (_Bool )tmp___3 [L602] COND TRUE \read(r241) [L603] tmp___4 = 1 [L622] r242 = (_Bool )tmp___4 [L623] COND TRUE \read(r311) [L624] tmp___5 = 1 [L643] r312 = (_Bool )tmp___5 [L644] COND TRUE \read(r321) [L645] tmp___6 = 1 [L664] r322 = (_Bool )tmp___6 [L665] COND TRUE \read(r341) [L666] tmp___7 = 1 [L685] r342 = (_Bool )tmp___7 [L686] COND TRUE \read(r411) [L687] tmp___8 = 1 [L706] r412 = (_Bool )tmp___8 [L707] COND TRUE \read(r421) [L708] tmp___9 = 1 [L727] r422 = (_Bool )tmp___9 [L728] COND TRUE \read(r431) [L729] tmp___10 = 1 [L748] r432 = (_Bool )tmp___10 [L749] COND TRUE \read(r122) [L750] tmp___11 = 1 [L769] r123 = (_Bool )tmp___11 [L770] COND TRUE \read(r132) [L771] tmp___12 = 1 [L790] r133 = (_Bool )tmp___12 [L791] COND TRUE \read(r142) [L792] tmp___13 = 1 [L811] r143 = (_Bool )tmp___13 [L812] COND TRUE \read(r212) [L813] tmp___14 = 1 [L832] r213 = (_Bool )tmp___14 [L833] COND TRUE \read(r232) [L834] tmp___15 = 1 [L853] r233 = (_Bool )tmp___15 [L854] COND TRUE \read(r242) [L855] tmp___16 = 1 [L874] r243 = (_Bool )tmp___16 [L875] COND TRUE \read(r312) [L876] tmp___17 = 1 [L895] r313 = (_Bool )tmp___17 [L896] COND TRUE \read(r322) [L897] tmp___18 = 1 [L916] r323 = (_Bool )tmp___18 [L917] COND TRUE \read(r342) [L918] tmp___19 = 1 [L937] r343 = (_Bool )tmp___19 [L938] COND TRUE \read(r412) [L939] tmp___20 = 1 [L958] r413 = (_Bool )tmp___20 [L959] COND TRUE \read(r422) [L960] tmp___21 = 1 [L979] r423 = (_Bool )tmp___21 [L980] COND TRUE \read(r432) [L981] tmp___22 = 1 [L1000] r433 = (_Bool )tmp___22 [L1001] COND TRUE (int )id1 != (int )id2 [L1002] COND TRUE (int )id1 != (int )id3 [L1003] COND TRUE (int )id1 != (int )id4 [L1004] COND TRUE (int )id2 != (int )id3 [L1005] COND TRUE (int )id2 != (int )id4 [L1006] COND TRUE (int )id3 != (int )id4 [L1007] COND TRUE (int )id1 >= 0 [L1008] COND TRUE (int )id2 >= 0 [L1009] COND TRUE (int )id3 >= 0 [L1010] COND TRUE (int )id4 >= 0 [L1011] COND TRUE (int )r1 == 0 [L1012] COND TRUE (int )r2 == 0 [L1013] COND TRUE (int )r3 == 0 [L1014] COND TRUE (int )r4 == 0 [L1015] COND TRUE (int )max1 == (int )id1 [L1016] COND TRUE (int )max2 == (int )id2 [L1017] COND TRUE (int )max3 == (int )id3 [L1018] COND TRUE (int )max4 == (int )id4 [L1019] COND TRUE (int )st1 == 0 [L1020] COND TRUE (int )st2 == 0 [L1021] COND TRUE (int )st3 == 0 [L1022] COND TRUE (int )st4 == 0 [L1023] COND TRUE (int )nl1 == 0 [L1024] COND TRUE (int )nl2 == 0 [L1025] COND TRUE (int )nl3 == 0 [L1026] COND TRUE (int )nl4 == 0 [L1027] COND TRUE (int )mode1 == 0 [L1028] COND TRUE (int )mode2 == 0 [L1029] COND TRUE (int )mode3 == 0 [L1030] COND TRUE (int )mode4 == 0 [L1031] COND TRUE \read(newmax1) [L1032] COND TRUE \read(newmax2) [L1033] COND TRUE \read(newmax3) [L1034] COND TRUE \read(newmax4) [L1035] tmp___23 = 1 [L1138] return (tmp___23); [L1252] RET, EXPR init() [L1252] i2 = init() [L1254] p12_old = nomsg [L1255] p12_new = nomsg [L1256] p13_old = nomsg [L1257] p13_new = nomsg [L1258] p14_old = nomsg [L1259] p14_new = nomsg [L1260] p21_old = nomsg [L1261] p21_new = nomsg [L1262] p23_old = nomsg [L1263] p23_new = nomsg [L1264] p24_old = nomsg [L1265] p24_new = nomsg [L1266] p31_old = nomsg [L1267] p31_new = nomsg [L1268] p32_old = nomsg [L1269] p32_new = nomsg [L1270] p34_old = nomsg [L1271] p34_new = nomsg [L1272] p41_old = nomsg [L1273] p41_new = nomsg [L1274] p42_old = nomsg [L1275] p42_new = nomsg [L1276] p43_old = nomsg [L1277] p43_new = nomsg [L1278] i2 = 0 [L1279] COND TRUE 1 [L1281] CALL node1() [L153] _Bool newmax ; [L156] newmax = (_Bool)0 [L157] COND FALSE !(\read(mode1)) [L196] COND FALSE !((int )r1 < 3) [L213] mode1 = (_Bool)1 [L1281] RET node1() [L1282] CALL node2() [L220] _Bool newmax ; [L223] newmax = (_Bool)0 [L224] COND FALSE !(\read(mode2)) [L263] COND FALSE !((int )r2 < 3) [L280] mode2 = (_Bool)1 [L1282] RET node2() [L1283] CALL node3() [L287] _Bool newmax ; [L290] newmax = (_Bool)0 [L291] COND FALSE !(\read(mode3)) [L330] COND FALSE !((int )r3 < 3) [L347] mode3 = (_Bool)1 [L1283] RET node3() [L1284] CALL node4() [L354] _Bool newmax ; [L357] newmax = (_Bool)0 [L358] COND FALSE !(\read(mode4)) [L397] COND FALSE !((int )r4 < 3) [L414] mode4 = (_Bool)1 [L1284] RET node4() [L1285] p12_old = p12_new [L1286] p12_new = nomsg [L1287] p13_old = p13_new [L1288] p13_new = nomsg [L1289] p14_old = p14_new [L1290] p14_new = nomsg [L1291] p21_old = p21_new [L1292] p21_new = nomsg [L1293] p23_old = p23_new [L1294] p23_new = nomsg [L1295] p24_old = p24_new [L1296] p24_new = nomsg [L1297] p31_old = p31_new [L1298] p31_new = nomsg [L1299] p32_old = p32_new [L1300] p32_new = nomsg [L1301] p34_old = p34_new [L1302] p34_new = nomsg [L1303] p41_old = p41_new [L1304] p41_new = nomsg [L1305] p42_old = p42_new [L1306] p42_new = nomsg [L1307] p43_old = p43_new [L1308] p43_new = nomsg [L1309] CALL, EXPR check() [L1143] int tmp ; [L1146] COND FALSE !((((int )st1 + (int )st2) + (int )st3) + (int )st4 <= 1) [L1196] tmp = 0 [L1198] return (tmp); [L1309] RET, EXPR check() [L1309] c1 = check() [L1310] CALL assert(c1) [L1321] COND TRUE ! arg [L1323] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...