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/psyco/psyco_io_1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:48:19,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:48:19,335 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:48:19,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-03 12:48:19,360 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:48:19,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:48:19,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:48:19,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:48:19,364 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:48:19,366 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:48:19,367 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:48:19,370 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:48:19,372 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:48:19,373 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:48:19,374 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:48:19,375 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:48:19,377 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:48:19,392 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 [2019-10-03 12:48:19,412 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:48:19,413 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:48:19,413 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:48:19,413 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:48:19,414 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:48:19,414 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:48:19,414 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:48:19,414 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:48:19,415 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:48:19,415 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:48:19,416 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:48:19,416 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:48:19,416 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:48:19,416 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:48:19,417 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:48:19,417 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:48:19,417 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:48:19,417 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:48:19,417 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:48:19,418 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:48:19,418 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:48:19,418 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:48:19,418 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:48:19,418 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:48:19,419 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:48:19,419 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:48:19,419 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:48:19,419 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:48:19,420 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:48:19,420 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:48:19,450 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:48:19,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:48:19,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:48:19,471 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:48:19,471 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:48:19,472 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1.c [2019-10-03 12:48:19,545 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b06a2dc/781724f8946b4c34951f43fff3bdf2c9/FLAG12fdb3e10 [2019-10-03 12:48:20,066 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:48:20,068 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1.c [2019-10-03 12:48:20,089 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b06a2dc/781724f8946b4c34951f43fff3bdf2c9/FLAG12fdb3e10 [2019-10-03 12:48:20,385 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e6b06a2dc/781724f8946b4c34951f43fff3bdf2c9 [2019-10-03 12:48:20,397 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:48:20,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:48:20,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:48:20,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:48:20,403 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:48:20,404 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:20" (1/1) ... [2019-10-03 12:48:20,407 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cb5eaab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20, skipping insertion in model container [2019-10-03 12:48:20,407 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:20" (1/1) ... [2019-10-03 12:48:20,415 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:48:20,447 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:48:20,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:48:20,667 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:48:20,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:48:20,818 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:48:20,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20 WrapperNode [2019-10-03 12:48:20,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:48:20,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:48:20,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:48:20,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:48:20,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20" (1/1) ... [2019-10-03 12:48:20,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20" (1/1) ... [2019-10-03 12:48:20,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20" (1/1) ... [2019-10-03 12:48:20,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20" (1/1) ... [2019-10-03 12:48:20,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20" (1/1) ... [2019-10-03 12:48:20,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20" (1/1) ... [2019-10-03 12:48:20,858 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20" (1/1) ... [2019-10-03 12:48:20,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:48:20,862 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:48:20,862 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:48:20,862 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:48:20,863 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:20" (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 [2019-10-03 12:48:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:48:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:48:20,930 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:48:20,931 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:48:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:48:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:48:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:48:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:48:21,404 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:48:21,404 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-03 12:48:21,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:21 BoogieIcfgContainer [2019-10-03 12:48:21,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:48:21,407 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:48:21,407 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:48:21,407 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:48:21,408 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:21" (1/1) ... [2019-10-03 12:48:21,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:48:21,952 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:48:21,981 INFO L272 AbstractInterpreter]: Visited 125 different actions 293 times. Merged at 67 different actions 95 times. Never widened. Performed 670 root evaluator evaluations with a maximum evaluation depth of 7. Performed 670 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 73 fixpoints after 41 different actions. Largest state had 43 variables. [2019-10-03 12:48:21,981 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:48:21,985 INFO L168 Benchmark]: Toolchain (without parser) took 1585.07 ms. Allocated memory was 135.8 MB in the beginning and 196.6 MB in the end (delta: 60.8 MB). Free memory was 82.9 MB in the beginning and 93.1 MB in the end (delta: -10.3 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:21,987 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 101.8 MB in the beginning and 101.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:48:21,988 INFO L168 Benchmark]: CACSL2BoogieTranslator took 420.01 ms. Allocated memory was 135.8 MB in the beginning and 196.6 MB in the end (delta: 60.8 MB). Free memory was 82.7 MB in the beginning and 173.1 MB in the end (delta: -90.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:21,990 INFO L168 Benchmark]: Boogie Preprocessor took 42.22 ms. Allocated memory is still 196.6 MB. Free memory was 173.1 MB in the beginning and 171.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:21,992 INFO L168 Benchmark]: RCFGBuilder took 544.23 ms. Allocated memory is still 196.6 MB. Free memory was 171.2 MB in the beginning and 144.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:21,993 INFO L168 Benchmark]: Abstract Interpretation took 574.56 ms. Allocated memory is still 196.6 MB. Free memory was 143.7 MB in the beginning and 93.1 MB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:22,003 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 101.8 MB in the beginning and 101.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 420.01 ms. Allocated memory was 135.8 MB in the beginning and 196.6 MB in the end (delta: 60.8 MB). Free memory was 82.7 MB in the beginning and 173.1 MB in the end (delta: -90.5 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.22 ms. Allocated memory is still 196.6 MB. Free memory was 173.1 MB in the beginning and 171.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 544.23 ms. Allocated memory is still 196.6 MB. Free memory was 171.2 MB in the beginning and 144.4 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 574.56 ms. Allocated memory is still 196.6 MB. Free memory was 143.7 MB in the beginning and 93.1 MB in the end (delta: 50.6 MB). Peak memory consumption was 50.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 343]: 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: [L5] int m_flush = 1; [L6] int m_PipedOutputStream = 2; [L7] int m_close = 3; [L8] int m_write = 4; [L9] int m_connect_1 = 5; [L10] int m_connect_2 = 6; [L15] int q = 0; [L16] int method_id; [L19] int this_sink = 0; [L20] int this_sinkConnected = 0; [L23] COND TRUE 1 [L26] int P1=__VERIFIER_nondet_int(); [L27] int P2=__VERIFIER_nondet_int(); [L28] int P3=__VERIFIER_nondet_int(); [L29] int P4=__VERIFIER_nondet_int(); [L33] COND TRUE q == 0 [L34] COND TRUE __VERIFIER_nondet_int() [L38] method_id = 2 [L40] COND FALSE !(0) [L44] q = 2 [L46] this_sink=0 [L46] this_sinkConnected=0 [L23] COND TRUE 1 [L26] int P1=__VERIFIER_nondet_int(); [L27] int P2=__VERIFIER_nondet_int(); [L28] int P3=__VERIFIER_nondet_int(); [L29] int P4=__VERIFIER_nondet_int(); [L33] COND FALSE !(q == 0) [L53] COND FALSE !(q == 1) [L105] COND TRUE q == 2 [L106] COND FALSE !(__VERIFIER_nondet_int()) [L122] COND FALSE !(__VERIFIER_nondet_int()) [L138] COND FALSE !(__VERIFIER_nondet_int()) [L154] COND FALSE !(__VERIFIER_nondet_int()) [L170] COND FALSE !(__VERIFIER_nondet_int()) [L186] COND TRUE __VERIFIER_nondet_int() [L188] COND TRUE ((P2 != 1) && (P1 != 0)) [L190] method_id = 5 [L192] COND FALSE !((((this_sink != 0) && (P1 != 0)) && ((P2 != 1) && (P1 != 0)))) [L196] q = 3 [L198] this_sink=P1 [L198] this_sinkConnected=1 [L23] COND TRUE 1 [L26] int P1=__VERIFIER_nondet_int(); [L27] int P2=__VERIFIER_nondet_int(); [L28] int P3=__VERIFIER_nondet_int(); [L29] int P4=__VERIFIER_nondet_int(); [L33] COND FALSE !(q == 0) [L53] COND TRUE q == 1 [L54] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND TRUE __VERIFIER_nondet_int() [L72] COND TRUE ((P2 != 1) && (P1 != 0)) [L74] method_id = 5 [L76] COND TRUE ((P2 != 1) && ((this_sink == 0) && (P1 != 0))) [L343] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...