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 0.1.24-112bae1 [2019-09-11 14:13:37,652 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 14:13:37,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 14:13:37,667 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 14:13:37,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 14:13:37,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 14:13:37,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 14:13:37,679 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 14:13:37,680 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 14:13:37,681 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 14:13:37,683 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 14:13:37,685 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 14:13:37,686 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 14:13:37,687 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 14:13:37,688 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 14:13:37,689 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 14:13:37,691 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 14:13:37,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 14:13:37,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 14:13:37,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 14:13:37,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 14:13:37,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 14:13:37,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 14:13:37,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 14:13:37,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... 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[2019-09-11 14:13:37,701 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 14:13:37,716 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 14:13:37,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 14:13:37,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 14:13:37,717 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 14:13:37,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 14:13:37,718 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 14:13:37,718 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 14:13:37,718 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 14:13:37,718 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 14:13:37,719 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 14:13:37,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 14:13:37,719 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 14:13:37,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 14:13:37,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 14:13:37,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 14:13:37,720 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 14:13:37,720 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 14:13:37,721 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 14:13:37,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 14:13:37,721 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 14:13:37,721 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 14:13:37,721 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 14:13:37,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 14:13:37,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 14:13:37,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 14:13:37,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 14:13:37,722 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 14:13:37,723 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 14:13:37,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 14:13:37,723 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 14:13:37,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 14:13:37,791 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 14:13:37,796 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 14:13:37,798 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 14:13:37,799 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 14:13:37,800 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_io_1.c [2019-09-11 14:13:37,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ad70985/d0087e275ad540ed9c2808f2cd57a819/FLAG007298a6d [2019-09-11 14:13:38,325 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 14:13:38,326 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_io_1.c [2019-09-11 14:13:38,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ad70985/d0087e275ad540ed9c2808f2cd57a819/FLAG007298a6d [2019-09-11 14:13:38,698 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91ad70985/d0087e275ad540ed9c2808f2cd57a819 [2019-09-11 14:13:38,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 14:13:38,711 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 14:13:38,712 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 14:13:38,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 14:13:38,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 14:13:38,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 02:13:38" (1/1) ... [2019-09-11 14:13:38,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60445f5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:38, skipping insertion in model container [2019-09-11 14:13:38,721 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 02:13:38" (1/1) ... [2019-09-11 14:13:38,728 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 14:13:38,759 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 14:13:38,958 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 14:13:38,964 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 14:13:39,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 14:13:39,115 INFO L192 MainTranslator]: Completed translation [2019-09-11 14:13:39,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:39 WrapperNode [2019-09-11 14:13:39,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 14:13:39,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 14:13:39,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 14:13:39,117 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 14:13:39,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:39" (1/1) ... [2019-09-11 14:13:39,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:39" (1/1) ... [2019-09-11 14:13:39,135 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:39" (1/1) ... [2019-09-11 14:13:39,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:39" (1/1) ... [2019-09-11 14:13:39,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:39" (1/1) ... [2019-09-11 14:13:39,153 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:39" (1/1) ... [2019-09-11 14:13:39,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:39" (1/1) ... [2019-09-11 14:13:39,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 14:13:39,159 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 14:13:39,159 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 14:13:39,159 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 14:13:39,160 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:39" (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 14:13:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 14:13:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 14:13:39,212 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 14:13:39,212 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 14:13:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 14:13:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 14:13:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 14:13:39,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 14:13:39,692 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 14:13:39,692 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-11 14:13:39,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 02:13:39 BoogieIcfgContainer [2019-09-11 14:13:39,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 14:13:39,694 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 14:13:39,694 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 14:13:39,695 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 14:13:39,696 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 02:13:39" (1/1) ... [2019-09-11 14:13:39,724 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 14:13:40,200 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 14:13:40,224 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. [2019-09-11 14:13:40,225 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 14:13:40,228 INFO L168 Benchmark]: Toolchain (without parser) took 1515.58 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 91.6 MB in the beginning and 101.8 MB in the end (delta: -10.2 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2019-09-11 14:13:40,229 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 14:13:40,230 INFO L168 Benchmark]: CACSL2BoogieTranslator took 403.67 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 91.4 MB in the beginning and 179.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-09-11 14:13:40,231 INFO L168 Benchmark]: Boogie Preprocessor took 42.39 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 177.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. [2019-09-11 14:13:40,232 INFO L168 Benchmark]: RCFGBuilder took 534.60 ms. Allocated memory is still 202.4 MB. Free memory was 177.7 MB in the beginning and 151.0 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. [2019-09-11 14:13:40,233 INFO L168 Benchmark]: Abstract Interpretation took 530.60 ms. Allocated memory is still 202.4 MB. Free memory was 151.0 MB in the beginning and 101.8 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 7.1 GB. [2019-09-11 14:13:40,237 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 143.7 MB. Free memory was 110.0 MB in the beginning and 109.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 403.67 ms. Allocated memory was 143.7 MB in the beginning and 202.4 MB in the end (delta: 58.7 MB). Free memory was 91.4 MB in the beginning and 179.4 MB in the end (delta: -88.0 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.39 ms. Allocated memory is still 202.4 MB. Free memory was 179.4 MB in the beginning and 177.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 534.60 ms. Allocated memory is still 202.4 MB. Free memory was 177.7 MB in the beginning and 151.0 MB in the end (delta: 26.6 MB). Peak memory consumption was 26.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 530.60 ms. Allocated memory is still 202.4 MB. Free memory was 151.0 MB in the beginning and 101.8 MB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 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...