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_abp_1-3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 14:13:19,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 14:13:19,817 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 14:13:19,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 14:13:19,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 14:13:19,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 14:13:19,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 14:13:19,858 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 14:13:19,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 14:13:19,860 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 14:13:19,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 14:13:19,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 14:13:19,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 14:13:19,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 14:13:19,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 14:13:19,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 14:13:19,877 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 14:13:19,886 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 14:13:19,901 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 14:13:19,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 14:13:19,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 14:13:19,902 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 14:13:19,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 14:13:19,903 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 14:13:19,903 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 14:13:19,903 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 14:13:19,903 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 14:13:19,903 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 14:13:19,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 14:13:19,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 14:13:19,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 14:13:19,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 14:13:19,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 14:13:19,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 14:13:19,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 14:13:19,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 14:13:19,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 14:13:19,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 14:13:19,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 14:13:19,906 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 14:13:19,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 14:13:19,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 14:13:19,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 14:13:19,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 14:13:19,907 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 14:13:19,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 14:13:19,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 14:13:19,908 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 14:13:19,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 14:13:19,949 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 14:13:19,953 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 14:13:19,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 14:13:19,955 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 14:13:19,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/psyco/psyco_abp_1-3.c [2019-09-11 14:13:20,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d550db0d9/2fabf2a096cf44d3920b4db97546a509/FLAGf00a5cf11 [2019-09-11 14:13:20,586 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 14:13:20,587 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/psyco/psyco_abp_1-3.c [2019-09-11 14:13:20,611 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d550db0d9/2fabf2a096cf44d3920b4db97546a509/FLAGf00a5cf11 [2019-09-11 14:13:20,874 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d550db0d9/2fabf2a096cf44d3920b4db97546a509 [2019-09-11 14:13:20,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 14:13:20,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 14:13:20,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 14:13:20,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 14:13:20,893 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 14:13:20,894 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 02:13:20" (1/1) ... [2019-09-11 14:13:20,897 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ce6ae4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:20, skipping insertion in model container [2019-09-11 14:13:20,897 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 02:13:20" (1/1) ... [2019-09-11 14:13:20,904 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 14:13:20,952 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 14:13:21,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 14:13:21,394 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 14:13:21,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 14:13:21,495 INFO L192 MainTranslator]: Completed translation [2019-09-11 14:13:21,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:21 WrapperNode [2019-09-11 14:13:21,496 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 14:13:21,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 14:13:21,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 14:13:21,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 14:13:21,510 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:21" (1/1) ... [2019-09-11 14:13:21,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:21" (1/1) ... [2019-09-11 14:13:21,536 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:21" (1/1) ... [2019-09-11 14:13:21,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:21" (1/1) ... [2019-09-11 14:13:21,562 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:21" (1/1) ... [2019-09-11 14:13:21,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:21" (1/1) ... [2019-09-11 14:13:21,590 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:21" (1/1) ... [2019-09-11 14:13:21,598 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 14:13:21,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 14:13:21,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 14:13:21,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 14:13:21,599 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 02:13:21" (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 14:13:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 14:13:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 14:13:21,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 14:13:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 14:13:21,657 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 14:13:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 14:13:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 14:13:21,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 14:13:22,583 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 14:13:22,583 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-11 14:13:22,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 02:13:22 BoogieIcfgContainer [2019-09-11 14:13:22,585 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 14:13:22,586 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 14:13:22,586 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 14:13:22,586 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 14:13:22,587 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 02:13:22" (1/1) ... [2019-09-11 14:13:22,628 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 14:13:22,805 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 14:15:35,372 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 14:15:35,394 INFO L272 AbstractInterpreter]: Visited 215 different actions 1572 times. Merged at 121 different actions 728 times. Widened at 4 different actions 12 times. Performed 4271 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4271 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 672 fixpoints after 105 different actions. Largest state had 68 variables. [2019-09-11 14:15:35,394 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 14:15:35,397 INFO L168 Benchmark]: Toolchain (without parser) took 134507.80 ms. Allocated memory was 138.4 MB in the beginning and 565.7 MB in the end (delta: 427.3 MB). Free memory was 87.9 MB in the beginning and 144.9 MB in the end (delta: -57.0 MB). Peak memory consumption was 370.2 MB. Max. memory is 7.1 GB. [2019-09-11 14:15:35,397 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 138.4 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 14:15:35,399 INFO L168 Benchmark]: CACSL2BoogieTranslator took 606.86 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 87.4 MB in the beginning and 171.9 MB in the end (delta: -84.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-09-11 14:15:35,400 INFO L168 Benchmark]: Boogie Preprocessor took 101.58 ms. Allocated memory is still 201.9 MB. Free memory was 171.9 MB in the beginning and 168.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. [2019-09-11 14:15:35,401 INFO L168 Benchmark]: RCFGBuilder took 987.00 ms. Allocated memory is still 201.9 MB. Free memory was 168.0 MB in the beginning and 115.5 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. [2019-09-11 14:15:35,402 INFO L168 Benchmark]: Abstract Interpretation took 132808.23 ms. Allocated memory was 201.9 MB in the beginning and 565.7 MB in the end (delta: 363.9 MB). Free memory was 114.7 MB in the beginning and 144.9 MB in the end (delta: -30.2 MB). Peak memory consumption was 333.6 MB. Max. memory is 7.1 GB. [2019-09-11 14:15:35,406 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 138.4 MB. Free memory is still 106.8 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 606.86 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 87.4 MB in the beginning and 171.9 MB in the end (delta: -84.4 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 101.58 ms. Allocated memory is still 201.9 MB. Free memory was 171.9 MB in the beginning and 168.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 987.00 ms. Allocated memory is still 201.9 MB. Free memory was 168.0 MB in the beginning and 115.5 MB in the end (delta: 52.5 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 132808.23 ms. Allocated memory was 201.9 MB in the beginning and 565.7 MB in the end (delta: 363.9 MB). Free memory was 114.7 MB in the beginning and 144.9 MB in the end (delta: -30.2 MB). Peak memory consumption was 333.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 565]: 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_Protocol = 1; [L6] int m_msg_2 = 2; [L7] int m_recv_ack_2 = 3; [L8] int m_msg_1_1 = 4; [L9] int m_msg_1_2 = 5; [L10] int m_recv_ack_1_1 = 6; [L11] int m_recv_ack_1_2 = 7; [L16] int q = 0; [L17] int method_id; [L20] unsigned int this_expect = 0; [L21] unsigned int this_buffer_empty = 0; [L24] COND TRUE 1 [L27] int P1=__VERIFIER_nondet_int(); [L28] int P2=__VERIFIER_nondet_int(); [L29] int P3=__VERIFIER_nondet_int(); [L30] int P4=__VERIFIER_nondet_int(); [L31] int P5=__VERIFIER_nondet_int(); [L32] int P6=__VERIFIER_nondet_int(); [L33] int P7=__VERIFIER_nondet_int(); [L34] int P8=__VERIFIER_nondet_int(); [L35] int P9=__VERIFIER_nondet_int(); [L39] COND TRUE q == 0 [L40] COND TRUE __VERIFIER_nondet_int() [L44] method_id = 1 [L46] COND FALSE !(0) [L50] q = 1 [L52] this_expect=0 [L52] this_buffer_empty=1 [L24] COND TRUE 1 [L27] int P1=__VERIFIER_nondet_int(); [L28] int P2=__VERIFIER_nondet_int(); [L29] int P3=__VERIFIER_nondet_int(); [L30] int P4=__VERIFIER_nondet_int(); [L31] int P5=__VERIFIER_nondet_int(); [L32] int P6=__VERIFIER_nondet_int(); [L33] int P7=__VERIFIER_nondet_int(); [L34] int P8=__VERIFIER_nondet_int(); [L35] int P9=__VERIFIER_nondet_int(); [L39] COND FALSE !(q == 0) [L59] COND TRUE q == 1 [L60] COND TRUE __VERIFIER_nondet_int() [L62] COND TRUE !((P1 % 2) != (0 % 2)) [L64] method_id = 2 [L66] COND TRUE (((((P1 % 2) != (this_expect % 2)) && (this_buffer_empty == 1)) && !((P1 % 2) != (0 % 2))) || ((this_buffer_empty != 1) && !((P1 % 2) != (0 % 2)))) [L565] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...