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/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:50:59,318 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:50:59,320 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:50:59,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:50:59,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:50:59,334 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:50:59,335 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:50:59,337 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:50:59,339 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:50:59,340 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:50:59,341 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:50:59,342 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:50:59,343 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:50:59,344 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:50:59,345 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:50:59,346 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:50:59,347 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:50:59,348 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:50:59,350 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:50:59,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:50:59,353 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:50:59,355 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:50:59,356 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:50:59,357 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:50:59,359 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:50:59,359 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:50:59,359 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:50:59,360 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:50:59,361 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:50:59,362 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:50:59,362 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:50:59,363 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:50:59,364 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:50:59,364 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:50:59,365 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:50:59,366 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:50:59,366 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:50:59,367 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:50:59,367 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:50:59,368 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:50:59,369 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:50:59,369 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 [2019-09-20 13:50:59,385 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:50:59,386 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:50:59,387 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:50:59,387 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:50:59,388 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:50:59,388 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:50:59,388 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:50:59,388 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:50:59,389 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:50:59,389 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:50:59,392 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:50:59,392 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:50:59,392 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:50:59,393 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:50:59,393 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:50:59,393 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:50:59,393 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:50:59,393 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:50:59,394 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:50:59,394 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:50:59,394 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:50:59,395 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:50:59,395 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:50:59,396 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:50:59,396 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:50:59,396 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:50:59,396 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:50:59,397 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:50:59,397 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:50:59,398 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:50:59,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:50:59,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:50:59,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:50:59,477 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:50:59,477 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:50:59,478 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-20 13:50:59,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1f8e4b5/894c9213f577432eb8b66df7081300e7/FLAGa78de1c9a [2019-09-20 13:51:00,006 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:51:00,007 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2019-09-20 13:51:00,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1f8e4b5/894c9213f577432eb8b66df7081300e7/FLAGa78de1c9a [2019-09-20 13:51:00,383 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1f8e4b5/894c9213f577432eb8b66df7081300e7 [2019-09-20 13:51:00,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:51:00,398 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:51:00,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:51:00,401 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:51:00,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:51:00,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:00,412 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1adbfbad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00, skipping insertion in model container [2019-09-20 13:51:00,412 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:00,420 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:51:00,475 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:51:00,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:51:00,794 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:51:00,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:51:00,969 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:51:00,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00 WrapperNode [2019-09-20 13:51:00,971 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:51:00,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:51:00,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:51:00,972 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:51:00,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:00,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:00,992 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:00,992 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:01,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:01,012 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:01,015 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00" (1/1) ... [2019-09-20 13:51:01,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:51:01,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:51:01,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:51:01,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:51:01,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:51:00" (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 [2019-09-20 13:51:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:51:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:51:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-20 13:51:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2019-09-20 13:51:01,090 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2019-09-20 13:51:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2019-09-20 13:51:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2019-09-20 13:51:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2019-09-20 13:51:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2019-09-20 13:51:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-20 13:51:01,091 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-20 13:51:01,092 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-20 13:51:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-20 13:51:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-20 13:51:01,093 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-20 13:51:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-20 13:51:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-20 13:51:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-20 13:51:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-20 13:51:01,094 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-20 13:51:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-20 13:51:01,095 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:51:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:51:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:51:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-20 13:51:01,095 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2019-09-20 13:51:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2019-09-20 13:51:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2019-09-20 13:51:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2019-09-20 13:51:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2019-09-20 13:51:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2019-09-20 13:51:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-20 13:51:01,096 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-20 13:51:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-20 13:51:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-20 13:51:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-20 13:51:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-20 13:51:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-20 13:51:01,097 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-20 13:51:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-20 13:51:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-20 13:51:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-20 13:51:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-20 13:51:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:51:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:51:01,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:51:01,679 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0;~c_dr_st~0 := 2;~c_dr_pc~0 := 2;~a_t~0 := ~a~0; [2019-09-20 13:51:01,679 INFO L683 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2019-09-20 13:51:01,690 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:51:01,690 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:51:01,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:51:01 BoogieIcfgContainer [2019-09-20 13:51:01,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:51:01,692 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:51:01,692 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:51:01,693 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:51:01,693 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:51:01" (1/1) ... [2019-09-20 13:51:01,723 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:51:14,122 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:51:14,154 INFO L272 AbstractInterpreter]: Visited 201 different actions 33046 times. Merged at 106 different actions 12489 times. Widened at 6 different actions 132 times. Performed 157353 root evaluator evaluations with a maximum evaluation depth of 4. Performed 157353 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 4428 fixpoints after 50 different actions. Largest state had 46 variables. [2019-09-20 13:51:14,155 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:51:14,157 INFO L168 Benchmark]: Toolchain (without parser) took 13758.55 ms. Allocated memory was 139.5 MB in the beginning and 734.0 MB in the end (delta: 594.5 MB). Free memory was 86.8 MB in the beginning and 167.3 MB in the end (delta: -80.5 MB). Peak memory consumption was 514.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:14,158 INFO L168 Benchmark]: CDTParser took 1.15 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:51:14,160 INFO L168 Benchmark]: CACSL2BoogieTranslator took 570.63 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 174.1 MB in the end (delta: -87.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:14,160 INFO L168 Benchmark]: Boogie Preprocessor took 47.24 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 172.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:14,161 INFO L168 Benchmark]: RCFGBuilder took 671.94 ms. Allocated memory is still 199.2 MB. Free memory was 172.1 MB in the beginning and 137.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:14,162 INFO L168 Benchmark]: Abstract Interpretation took 12462.67 ms. Allocated memory was 199.2 MB in the beginning and 734.0 MB in the end (delta: 534.8 MB). Free memory was 136.4 MB in the beginning and 167.3 MB in the end (delta: -30.9 MB). Peak memory consumption was 503.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:51:14,172 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.15 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 570.63 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.6 MB in the beginning and 174.1 MB in the end (delta: -87.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 47.24 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 172.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 671.94 ms. Allocated memory is still 199.2 MB. Free memory was 172.1 MB in the beginning and 137.0 MB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 12462.67 ms. Allocated memory was 199.2 MB in the beginning and 734.0 MB in the end (delta: 534.8 MB). Free memory was 136.4 MB in the beginning and 167.3 MB in the end (delta: -30.9 MB). Peak memory consumption was 503.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 9]: 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: [L14] int fast_clk_edge ; [L15] int slow_clk_edge ; [L16] int q_buf_0 ; [L17] int q_free ; [L18] int q_read_ev ; [L19] int q_write_ev ; [L20] int q_req_up ; [L21] int q_ev ; [L42] int p_num_write ; [L43] int p_last_write ; [L44] int p_dw_st ; [L45] int p_dw_pc ; [L46] int p_dw_i ; [L47] int c_num_read ; [L48] int c_last_read ; [L49] int c_dr_st ; [L50] int c_dr_pc ; [L51] int c_dr_i ; [L184] static int a_t ; [L334] static int t = 0; [L545] int __retres1 ; [L549] CALL init_model() [L529] fast_clk_edge = 2 [L530] slow_clk_edge = 2 [L531] q_free = 1 [L532] q_write_ev = 2 [L533] q_read_ev = q_write_ev [L534] p_num_write = 0 [L535] p_dw_pc = 0 [L536] p_dw_i = 1 [L537] c_num_read = 0 [L538] c_dr_pc = 0 [L539] c_dr_i = 1 [L549] RET init_model() [L550] CALL start_simulation() [L467] int kernel_st ; [L468] int tmp ; [L469] int tmp___0 ; [L473] kernel_st = 0 [L474] CALL update_channels() [L248] COND FALSE !((int )q_req_up == 1) [L474] RET update_channels() [L475] CALL init_threads() [L263] COND TRUE (int )p_dw_i == 1 [L264] p_dw_st = 0 [L268] COND TRUE (int )c_dr_i == 1 [L269] c_dr_st = 0 [L475] RET init_threads() [L476] CALL fire_delta_events() [L301] COND FALSE !((int )q_read_ev == 0) [L306] COND FALSE !((int )q_write_ev == 0) [L476] RET fire_delta_events() [L477] CALL activate_threads() [L370] int tmp ; [L371] int tmp___0 ; [L375] CALL, EXPR is_do_write_p_triggered() [L53] int __retres1 ; [L56] COND FALSE !((int )p_dw_pc == 1) [L66] COND FALSE !((int )p_dw_pc == 2) [L76] __retres1 = 0 [L78] return (__retres1); [L375] RET, EXPR is_do_write_p_triggered() [L375] tmp = is_do_write_p_triggered() [L377] COND FALSE !(\read(tmp)) [L383] CALL, EXPR is_do_read_c_triggered() [L82] int __retres1 ; [L85] COND FALSE !((int )c_dr_pc == 1) [L95] COND FALSE !((int )c_dr_pc == 2) [L105] __retres1 = 0 [L107] return (__retres1); [L383] RET, EXPR is_do_read_c_triggered() [L383] tmp___0 = is_do_read_c_triggered() [L385] COND FALSE !(\read(tmp___0)) [L477] RET activate_threads() [L478] CALL reset_delta_events() [L319] COND FALSE !((int )q_read_ev == 1) [L324] COND FALSE !((int )q_write_ev == 1) [L478] RET reset_delta_events() [L481] COND TRUE 1 [L484] kernel_st = 1 [L485] CALL eval() [L395] int tmp ; [L396] int tmp___0 ; [L397] int tmp___1 ; [L400] COND TRUE 1 [L403] CALL, EXPR exists_runnable_thread() [L278] int __retres1 ; [L281] COND TRUE (int )p_dw_st == 0 [L282] __retres1 = 1 [L294] return (__retres1); [L403] RET, EXPR exists_runnable_thread() [L403] tmp___1 = exists_runnable_thread() [L405] COND TRUE \read(tmp___1) [L410] COND TRUE (int )p_dw_st == 0 [L412] tmp = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp)) [L425] COND TRUE (int )c_dr_st == 0 [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND TRUE \read(tmp___0) [L431] c_dr_st = 1 [L432] CALL do_read_c() [L186] int a ; [L189] COND TRUE (int )c_dr_pc == 0 [L200] COND TRUE 1 [L202] c_dr_st = 2 [L203] c_dr_pc = 1 [L204] a_t = a [L432] RET do_read_c() [L400] COND TRUE 1 [L403] CALL, EXPR exists_runnable_thread() [L278] int __retres1 ; [L281] COND TRUE (int )p_dw_st == 0 [L282] __retres1 = 1 [L294] return (__retres1); [L403] RET, EXPR exists_runnable_thread() [L403] tmp___1 = exists_runnable_thread() [L405] COND TRUE \read(tmp___1) [L410] COND TRUE (int )p_dw_st == 0 [L412] tmp = __VERIFIER_nondet_int() [L414] COND TRUE \read(tmp) [L416] p_dw_st = 1 [L417] CALL do_write_p() [L139] COND FALSE !((int )p_dw_pc == 0) [L142] COND TRUE (int )p_dw_pc == 1 [L161] COND FALSE !((int )q_free == 0) [L171] q_buf_0 = __VERIFIER_nondet_int() [L172] p_last_write = q_buf_0 [L173] p_num_write += 1 [L174] q_free = 0 [L175] q_req_up = 1 [L154] COND TRUE 1 [L156] p_dw_st = 2 [L157] p_dw_pc = 1 [L417] RET do_write_p() [L425] COND FALSE !((int )c_dr_st == 0) [L400] COND TRUE 1 [L403] CALL, EXPR exists_runnable_thread() [L278] int __retres1 ; [L281] COND TRUE (int )p_dw_st == 0 [L282] __retres1 = 1 [L294] return (__retres1); [L403] RET, EXPR exists_runnable_thread() [L403] tmp___1 = exists_runnable_thread() [L405] COND TRUE \read(tmp___1) [L410] COND TRUE (int )p_dw_st == 0 [L412] tmp = __VERIFIER_nondet_int() [L414] COND FALSE !(\read(tmp)) [L425] COND TRUE (int )c_dr_st == 0 [L427] tmp___0 = __VERIFIER_nondet_int() [L429] COND TRUE \read(tmp___0) [L431] c_dr_st = 1 [L432] CALL do_read_c() [L186] int a ; [L189] COND FALSE !((int )c_dr_pc == 0) [L192] COND TRUE (int )c_dr_pc == 2 [L215] a = a_t [L219] a = q_buf_0 [L220] c_last_read = a [L221] c_num_read += 1 [L222] q_free = 1 [L223] q_req_up = 1 [L224] COND FALSE !(p_last_write == c_last_read) [L234] CALL error() [L9] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...