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.3.3.ufo.UNBOUNDED.pals.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 17:05:28,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 17:05:28,376 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 17:05:28,389 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 17:05:28,389 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 17:05:28,390 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 17:05:28,392 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 17:05:28,393 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 17:05:28,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 17:05:28,396 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 17:05:28,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 17:05:28,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 17:05:28,398 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 17:05:28,399 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 17:05:28,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 17:05:28,401 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 17:05:28,402 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 17:05:28,403 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 17:05:28,405 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 17:05:28,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 17:05:28,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 17:05:28,411 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 17:05:28,412 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 17:05:28,413 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 17:05:28,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 17:05:28,422 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 17:05:28,423 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 17:05:28,425 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 17:05:28,425 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 17:05:28,429 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 17:05:28,429 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 17:05:28,430 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 17:05:28,430 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 17:05:28,431 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 17:05:28,432 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 17:05:28,433 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 17:05:28,434 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 17:05:28,461 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 17:05:28,461 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 17:05:28,461 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 17:05:28,462 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 17:05:28,462 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 17:05:28,463 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 17:05:28,463 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 17:05:28,463 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 17:05:28,463 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 17:05:28,463 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 17:05:28,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 17:05:28,464 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 17:05:28,464 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 17:05:28,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 17:05:28,465 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 17:05:28,465 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 17:05:28,465 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 17:05:28,465 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 17:05:28,466 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 17:05:28,466 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 17:05:28,466 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 17:05:28,466 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 17:05:28,466 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 17:05:28,467 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 17:05:28,467 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 17:05:28,467 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 17:05:28,467 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 17:05:28,468 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 17:05:28,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 17:05:28,468 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 17:05:28,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 17:05:28,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 17:05:28,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 17:05:28,511 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 17:05:28,512 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 17:05:28,512 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c [2019-09-11 17:05:28,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670cd3287/3792a0f11a1e4e3dabd61de4cb262135/FLAGa738aa7d4 [2019-09-11 17:05:29,012 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 17:05:29,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-mthreaded/pals_opt-floodmax.3.3.ufo.UNBOUNDED.pals.c [2019-09-11 17:05:29,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670cd3287/3792a0f11a1e4e3dabd61de4cb262135/FLAGa738aa7d4 [2019-09-11 17:05:29,336 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/670cd3287/3792a0f11a1e4e3dabd61de4cb262135 [2019-09-11 17:05:29,344 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 17:05:29,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 17:05:29,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:29,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 17:05:29,350 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 17:05:29,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:29" (1/1) ... [2019-09-11 17:05:29,354 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2aab87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29, skipping insertion in model container [2019-09-11 17:05:29,354 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 05:05:29" (1/1) ... [2019-09-11 17:05:29,362 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 17:05:29,425 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 17:05:29,782 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:29,800 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 17:05:29,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 17:05:29,906 INFO L192 MainTranslator]: Completed translation [2019-09-11 17:05:29,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29 WrapperNode [2019-09-11 17:05:29,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 17:05:29,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 17:05:29,907 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 17:05:29,907 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 17:05:29,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29" (1/1) ... [2019-09-11 17:05:29,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29" (1/1) ... [2019-09-11 17:05:29,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29" (1/1) ... [2019-09-11 17:05:29,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29" (1/1) ... [2019-09-11 17:05:29,963 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29" (1/1) ... [2019-09-11 17:05:29,984 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29" (1/1) ... [2019-09-11 17:05:29,990 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29" (1/1) ... [2019-09-11 17:05:29,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 17:05:29,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 17:05:29,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 17:05:29,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 17:05:29,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 05:05:29" (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 17:05:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 17:05:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 17:05:30,044 INFO L138 BoogieDeclarations]: Found implementation of procedure node1 [2019-09-11 17:05:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure node2 [2019-09-11 17:05:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure node3 [2019-09-11 17:05:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-09-11 17:05:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-09-11 17:05:30,045 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 17:05:30,046 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2019-09-11 17:05:30,046 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 17:05:30,047 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2019-09-11 17:05:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-09-11 17:05:30,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-11 17:05:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2019-09-11 17:05:30,049 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 17:05:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure read [2019-09-11 17:05:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure write [2019-09-11 17:05:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure node1 [2019-09-11 17:05:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure node2 [2019-09-11 17:05:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure node3 [2019-09-11 17:05:30,050 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-09-11 17:05:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-09-11 17:05:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 17:05:30,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 17:05:30,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 17:05:30,851 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 17:05:30,851 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 17:05:30,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:30 BoogieIcfgContainer [2019-09-11 17:05:30,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 17:05:30,853 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 17:05:30,853 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 17:05:30,854 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 17:05:30,854 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 05:05:30" (1/1) ... [2019-09-11 17:05:30,899 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 17:05:31,129 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 17:05:38,809 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 17:05:38,843 INFO L272 AbstractInterpreter]: Visited 276 different actions 9905 times. Merged at 145 different actions 3953 times. Widened at 1 different actions 7 times. Performed 51302 root evaluator evaluations with a maximum evaluation depth of 6. Performed 51302 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 3138 fixpoints after 125 different actions. Largest state had 143 variables. [2019-09-11 17:05:38,844 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 17:05:38,846 INFO L168 Benchmark]: Toolchain (without parser) took 9499.92 ms. Allocated memory was 142.1 MB in the beginning and 558.4 MB in the end (delta: 416.3 MB). Free memory was 89.4 MB in the beginning and 332.7 MB in the end (delta: -243.3 MB). Peak memory consumption was 173.0 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:38,847 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 142.1 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 17:05:38,848 INFO L168 Benchmark]: CACSL2BoogieTranslator took 559.88 ms. Allocated memory was 142.1 MB in the beginning and 200.8 MB in the end (delta: 58.7 MB). Free memory was 89.2 MB in the beginning and 172.0 MB in the end (delta: -82.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:38,849 INFO L168 Benchmark]: Boogie Preprocessor took 87.53 ms. Allocated memory is still 200.8 MB. Free memory was 172.0 MB in the beginning and 168.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:38,850 INFO L168 Benchmark]: RCFGBuilder took 857.84 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 113.9 MB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:38,851 INFO L168 Benchmark]: Abstract Interpretation took 7990.72 ms. Allocated memory was 200.8 MB in the beginning and 558.4 MB in the end (delta: 357.6 MB). Free memory was 113.9 MB in the beginning and 332.7 MB in the end (delta: -218.8 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. [2019-09-11 17:05:38,857 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 142.1 MB. Free memory was 108.6 MB in the beginning and 108.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 559.88 ms. Allocated memory was 142.1 MB in the beginning and 200.8 MB in the end (delta: 58.7 MB). Free memory was 89.2 MB in the beginning and 172.0 MB in the end (delta: -82.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.53 ms. Allocated memory is still 200.8 MB. Free memory was 172.0 MB in the beginning and 168.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 857.84 ms. Allocated memory is still 200.8 MB. Free memory was 168.7 MB in the beginning and 113.9 MB in the end (delta: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 7990.72 ms. Allocated memory was 200.8 MB in the beginning and 558.4 MB in the end (delta: 357.6 MB). Free memory was 113.9 MB in the beginning and 332.7 MB in the end (delta: -218.8 MB). Peak memory consumption was 138.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 652]: 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 p21 ; [L80] char p21_old ; [L81] char p21_new ; [L82] _Bool ep21 ; [L83] port_t p23 ; [L84] char p23_old ; [L85] char p23_new ; [L86] _Bool ep23 ; [L87] port_t p31 ; [L88] char p31_old ; [L89] char p31_new ; [L90] _Bool ep31 ; [L91] port_t p32 ; [L92] char p32_old ; [L93] char p32_new ; [L94] _Bool ep32 ; [L95] char id1 ; [L96] unsigned char r1 ; [L97] char st1 ; [L98] char nl1 ; [L99] char m1 ; [L100] char max1 ; [L101] _Bool mode1 ; [L102] _Bool newmax1 ; [L103] char id2 ; [L104] unsigned char r2 ; [L105] char st2 ; [L106] char nl2 ; [L107] char m2 ; [L108] char max2 ; [L109] _Bool mode2 ; [L110] _Bool newmax2 ; [L111] char id3 ; [L112] unsigned char r3 ; [L113] char st3 ; [L114] char nl3 ; [L115] char m3 ; [L116] char max3 ; [L117] _Bool mode3 ; [L118] _Bool newmax3 ; [L281] void (*nodes[3])(void) = { & node1, & node2, & node3}; [L571] int c1 ; [L572] int i2 ; [L575] c1 = 0 [L576] ep12 = __VERIFIER_nondet_bool() [L577] ep13 = __VERIFIER_nondet_bool() [L578] ep21 = __VERIFIER_nondet_bool() [L579] ep23 = __VERIFIER_nondet_bool() [L580] ep31 = __VERIFIER_nondet_bool() [L581] ep32 = __VERIFIER_nondet_bool() [L582] id1 = __VERIFIER_nondet_char() [L583] r1 = __VERIFIER_nondet_uchar() [L584] st1 = __VERIFIER_nondet_char() [L585] nl1 = __VERIFIER_nondet_char() [L586] m1 = __VERIFIER_nondet_char() [L587] max1 = __VERIFIER_nondet_char() [L588] mode1 = __VERIFIER_nondet_bool() [L589] newmax1 = __VERIFIER_nondet_bool() [L590] id2 = __VERIFIER_nondet_char() [L591] r2 = __VERIFIER_nondet_uchar() [L592] st2 = __VERIFIER_nondet_char() [L593] nl2 = __VERIFIER_nondet_char() [L594] m2 = __VERIFIER_nondet_char() [L595] max2 = __VERIFIER_nondet_char() [L596] mode2 = __VERIFIER_nondet_bool() [L597] newmax2 = __VERIFIER_nondet_bool() [L598] id3 = __VERIFIER_nondet_char() [L599] r3 = __VERIFIER_nondet_uchar() [L600] st3 = __VERIFIER_nondet_char() [L601] nl3 = __VERIFIER_nondet_char() [L602] m3 = __VERIFIER_nondet_char() [L603] max3 = __VERIFIER_nondet_char() [L604] mode3 = __VERIFIER_nondet_bool() [L605] newmax3 = __VERIFIER_nondet_bool() [L606] CALL, EXPR init() [L284] _Bool r121 ; [L285] _Bool r131 ; [L286] _Bool r211 ; [L287] _Bool r231 ; [L288] _Bool r311 ; [L289] _Bool r321 ; [L290] _Bool r122 ; [L291] int tmp ; [L292] _Bool r132 ; [L293] int tmp___0 ; [L294] _Bool r212 ; [L295] int tmp___1 ; [L296] _Bool r232 ; [L297] int tmp___2 ; [L298] _Bool r312 ; [L299] int tmp___3 ; [L300] _Bool r322 ; [L301] int tmp___4 ; [L302] int tmp___5 ; [L305] r121 = ep12 [L306] r131 = ep13 [L307] r211 = ep21 [L308] r231 = ep23 [L309] r311 = ep31 [L310] r321 = ep32 [L311] COND TRUE \read(r121) [L312] tmp = 1 [L323] r122 = (_Bool )tmp [L324] COND TRUE \read(r131) [L325] tmp___0 = 1 [L336] r132 = (_Bool )tmp___0 [L337] COND TRUE \read(r211) [L338] tmp___1 = 1 [L349] r212 = (_Bool )tmp___1 [L350] COND TRUE \read(r231) [L351] tmp___2 = 1 [L362] r232 = (_Bool )tmp___2 [L363] COND TRUE \read(r311) [L364] tmp___3 = 1 [L375] r312 = (_Bool )tmp___3 [L376] COND TRUE \read(r321) [L377] tmp___4 = 1 [L388] r322 = (_Bool )tmp___4 [L389] COND TRUE (int )id1 != (int )id2 [L390] COND TRUE (int )id1 != (int )id3 [L391] COND TRUE (int )id2 != (int )id3 [L392] COND TRUE (int )id1 >= 0 [L393] COND TRUE (int )id2 >= 0 [L394] COND TRUE (int )id3 >= 0 [L395] COND TRUE (int )r1 == 0 [L396] COND TRUE (int )r2 == 0 [L397] COND TRUE (int )r3 == 0 [L398] COND TRUE \read(r122) [L399] COND TRUE \read(r132) [L400] COND TRUE \read(r212) [L401] COND TRUE \read(r232) [L402] COND TRUE \read(r312) [L403] COND TRUE \read(r322) [L404] COND TRUE (int )max1 == (int )id1 [L405] COND TRUE (int )max2 == (int )id2 [L406] COND TRUE (int )max3 == (int )id3 [L407] COND TRUE (int )st1 == 0 [L408] COND TRUE (int )st2 == 0 [L409] COND TRUE (int )st3 == 0 [L410] COND TRUE (int )nl1 == 0 [L411] COND TRUE (int )nl2 == 0 [L412] COND TRUE (int )nl3 == 0 [L413] COND TRUE (int )mode1 == 0 [L414] COND TRUE (int )mode2 == 0 [L415] COND TRUE (int )mode3 == 0 [L416] COND TRUE \read(newmax1) [L417] COND TRUE \read(newmax2) [L418] COND TRUE \read(newmax3) [L419] tmp___5 = 1 [L510] return (tmp___5); [L606] RET, EXPR init() [L606] i2 = init() [L608] p12_old = nomsg [L609] p12_new = nomsg [L610] p13_old = nomsg [L611] p13_new = nomsg [L612] p21_old = nomsg [L613] p21_new = nomsg [L614] p23_old = nomsg [L615] p23_new = nomsg [L616] p31_old = nomsg [L617] p31_new = nomsg [L618] p32_old = nomsg [L619] p32_new = nomsg [L620] i2 = 0 [L621] COND TRUE 1 [L623] CALL node1() [L121] _Bool newmax ; [L124] newmax = (_Bool)0 [L125] COND FALSE !(\read(mode1)) [L156] COND FALSE !((int )r1 < 2) [L168] mode1 = (_Bool)1 [L623] RET node1() [L624] CALL node2() [L175] _Bool newmax ; [L178] newmax = (_Bool)0 [L179] COND FALSE !(\read(mode2)) [L210] COND FALSE !((int )r2 < 2) [L222] mode2 = (_Bool)1 [L624] RET node2() [L625] CALL node3() [L229] _Bool newmax ; [L232] newmax = (_Bool)0 [L233] COND FALSE !(\read(mode3)) [L264] COND FALSE !((int )r3 < 2) [L276] mode3 = (_Bool)1 [L625] RET node3() [L626] p12_old = p12_new [L627] p12_new = nomsg [L628] p13_old = p13_new [L629] p13_new = nomsg [L630] p21_old = p21_new [L631] p21_new = nomsg [L632] p23_old = p23_new [L633] p23_new = nomsg [L634] p31_old = p31_new [L635] p31_new = nomsg [L636] p32_old = p32_new [L637] p32_new = nomsg [L638] CALL, EXPR check() [L515] int tmp ; [L518] COND FALSE !(((int )st1 + (int )st2) + (int )st3 <= 1) [L564] tmp = 0 [L566] return (tmp); [L638] RET, EXPR check() [L638] c1 = check() [L639] CALL assert(c1) [L650] COND TRUE ! arg [L652] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...