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/token_ring.04.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:38:50,674 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:38:50,676 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:38:50,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:38:50,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:38:50,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:38:50,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:38:50,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:38:50,694 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:38:50,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:38:50,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:38:50,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:38:50,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:38:50,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:38:50,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:38:50,700 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:38:50,700 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:38:50,701 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:38:50,703 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:38:50,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:38:50,710 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:38:50,711 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:38:50,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:38:50,715 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:38:50,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:38:50,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:38:50,717 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:38:50,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:38:50,718 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:38:50,719 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:38:50,719 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:38:50,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:38:50,722 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:38:50,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:38:50,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:38:50,726 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:38:50,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:38:50,728 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:38:50,728 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:38:50,729 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:38:50,730 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:38:50,731 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 16:38:50,750 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:38:50,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:38:50,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:38:50,751 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:38:50,751 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:38:50,752 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:38:50,752 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:38:50,752 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:38:50,752 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:38:50,752 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:38:50,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:38:50,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:38:50,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:38:50,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:38:50,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:38:50,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:38:50,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:38:50,754 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:38:50,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:38:50,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:38:50,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:38:50,755 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:38:50,755 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:38:50,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:38:50,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:38:50,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:38:50,756 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:38:50,756 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:38:50,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:38:50,757 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:38:50,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:38:50,804 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:38:50,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:38:50,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:38:50,810 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:38:50,810 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.04.cil-1.c [2019-09-11 16:38:50,871 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce2cf85d/d61ad8582e984ec4922090fb96d3a93a/FLAG90702a021 [2019-09-11 16:38:51,298 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:38:51,299 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.04.cil-1.c [2019-09-11 16:38:51,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce2cf85d/d61ad8582e984ec4922090fb96d3a93a/FLAG90702a021 [2019-09-11 16:38:51,681 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bce2cf85d/d61ad8582e984ec4922090fb96d3a93a [2019-09-11 16:38:51,690 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:38:51,691 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:38:51,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:38:51,693 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:38:51,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:38:51,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:38:51" (1/1) ... [2019-09-11 16:38:51,700 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@328a7f88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:51, skipping insertion in model container [2019-09-11 16:38:51,701 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:38:51" (1/1) ... [2019-09-11 16:38:51,708 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:38:51,765 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:38:52,061 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:38:52,069 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:38:52,218 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:38:52,241 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:38:52,241 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:52 WrapperNode [2019-09-11 16:38:52,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:38:52,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:38:52,243 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:38:52,243 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:38:52,256 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:52" (1/1) ... [2019-09-11 16:38:52,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:52" (1/1) ... [2019-09-11 16:38:52,265 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:52" (1/1) ... [2019-09-11 16:38:52,266 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:52" (1/1) ... [2019-09-11 16:38:52,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:52" (1/1) ... [2019-09-11 16:38:52,293 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:52" (1/1) ... [2019-09-11 16:38:52,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:52" (1/1) ... [2019-09-11 16:38:52,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:38:52,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:38:52,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:38:52,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:38:52,303 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:38:52" (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 16:38:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:38:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:38:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-11 16:38:52,370 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-11 16:38:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-11 16:38:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-11 16:38:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-11 16:38:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-09-11 16:38:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-11 16:38:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-11 16:38:52,371 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-11 16:38:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-11 16:38:52,372 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-09-11 16:38:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-11 16:38:52,373 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-11 16:38:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-11 16:38:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-11 16:38:52,374 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-11 16:38:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-11 16:38:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-11 16:38:52,375 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-11 16:38:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-11 16:38:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-11 16:38:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-11 16:38:52,376 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-11 16:38:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-11 16:38:52,377 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:38:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:38:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-11 16:38:52,377 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-11 16:38:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-11 16:38:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-11 16:38:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-11 16:38:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-09-11 16:38:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-11 16:38:52,378 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:38:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-11 16:38:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-11 16:38:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-11 16:38:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-11 16:38:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-09-11 16:38:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-11 16:38:52,379 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-11 16:38:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-11 16:38:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-11 16:38:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-11 16:38:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-11 16:38:52,380 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-11 16:38:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-11 16:38:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-11 16:38:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-11 16:38:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-11 16:38:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-11 16:38:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:38:52,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:38:52,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:38:53,028 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:38:53,028 INFO L283 CfgBuilder]: Removed 7 assume(true) statements. [2019-09-11 16:38:53,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:38:53 BoogieIcfgContainer [2019-09-11 16:38:53,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:38:53,031 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:38:53,031 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:38:53,031 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:38:53,032 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:38:53" (1/1) ... [2019-09-11 16:38:53,067 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:39:20,874 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:39:20,912 INFO L272 AbstractInterpreter]: Visited 337 different actions 85653 times. Merged at 145 different actions 26016 times. Widened at 7 different actions 20 times. Performed 521645 root evaluator evaluations with a maximum evaluation depth of 5. Performed 521645 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 5405 fixpoints after 64 different actions. Largest state had 66 variables. [2019-09-11 16:39:20,913 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:39:20,915 INFO L168 Benchmark]: Toolchain (without parser) took 29223.10 ms. Allocated memory was 143.1 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 90.4 MB in the beginning and 544.1 MB in the end (delta: -453.7 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-09-11 16:39:20,916 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 143.1 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:39:20,918 INFO L168 Benchmark]: CACSL2BoogieTranslator took 549.60 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 90.2 MB in the beginning and 177.3 MB in the end (delta: -87.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:39:20,918 INFO L168 Benchmark]: Boogie Preprocessor took 59.25 ms. Allocated memory is still 202.9 MB. Free memory was 177.3 MB in the beginning and 174.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:39:20,919 INFO L168 Benchmark]: RCFGBuilder took 727.99 ms. Allocated memory is still 202.9 MB. Free memory was 174.1 MB in the beginning and 125.7 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:39:20,920 INFO L168 Benchmark]: Abstract Interpretation took 27882.04 ms. Allocated memory was 202.9 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 125.1 MB in the beginning and 544.1 MB in the end (delta: -419.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-09-11 16:39:20,925 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 143.1 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 549.60 ms. Allocated memory was 143.1 MB in the beginning and 202.9 MB in the end (delta: 59.8 MB). Free memory was 90.2 MB in the beginning and 177.3 MB in the end (delta: -87.1 MB). Peak memory consumption was 24.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 59.25 ms. Allocated memory is still 202.9 MB. Free memory was 177.3 MB in the beginning and 174.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 727.99 ms. Allocated memory is still 202.9 MB. Free memory was 174.1 MB in the beginning and 125.7 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 27882.04 ms. Allocated memory was 202.9 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 125.1 MB in the beginning and 544.1 MB in the end (delta: -419.0 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 10]: 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 m_pc = 0; [L15] int t1_pc = 0; [L16] int t2_pc = 0; [L17] int t3_pc = 0; [L18] int t4_pc = 0; [L19] int m_st ; [L20] int t1_st ; [L21] int t2_st ; [L22] int t3_st ; [L23] int t4_st ; [L24] int m_i ; [L25] int t1_i ; [L26] int t2_i ; [L27] int t3_i ; [L28] int t4_i ; [L29] int M_E = 2; [L30] int T1_E = 2; [L31] int T2_E = 2; [L32] int T3_E = 2; [L33] int T4_E = 2; [L34] int E_M = 2; [L35] int E_1 = 2; [L36] int E_2 = 2; [L37] int E_3 = 2; [L38] int E_4 = 2; [L45] int token ; [L47] int local ; [L838] int __retres1 ; [L842] CALL init_model() [L750] m_i = 1 [L751] t1_i = 1 [L752] t2_i = 1 [L753] t3_i = 1 [L754] t4_i = 1 [L842] RET init_model() [L843] CALL start_simulation() [L779] int kernel_st ; [L780] int tmp ; [L781] int tmp___0 ; [L785] kernel_st = 0 [L786] FCALL update_channels() [L787] CALL init_threads() [L343] COND TRUE m_i == 1 [L344] m_st = 0 [L348] COND TRUE t1_i == 1 [L349] t1_st = 0 [L353] COND TRUE t2_i == 1 [L354] t2_st = 0 [L358] COND TRUE t3_i == 1 [L359] t3_st = 0 [L363] COND TRUE t4_i == 1 [L364] t4_st = 0 [L787] RET init_threads() [L788] CALL fire_delta_events() [L504] COND FALSE !(M_E == 0) [L509] COND FALSE !(T1_E == 0) [L514] COND FALSE !(T2_E == 0) [L519] COND FALSE !(T3_E == 0) [L524] COND FALSE !(T4_E == 0) [L529] COND FALSE !(E_M == 0) [L534] COND FALSE !(E_1 == 0) [L539] COND FALSE !(E_2 == 0) [L544] COND FALSE !(E_3 == 0) [L549] COND FALSE !(E_4 == 0) [L788] RET fire_delta_events() [L789] CALL activate_threads() [L617] int tmp ; [L618] int tmp___0 ; [L619] int tmp___1 ; [L620] int tmp___2 ; [L621] int tmp___3 ; [L625] CALL, EXPR is_master_triggered() [L237] int __retres1 ; [L240] COND FALSE !(m_pc == 1) [L250] __retres1 = 0 [L252] return (__retres1); [L625] RET, EXPR is_master_triggered() [L625] tmp = is_master_triggered() [L627] COND FALSE !(\read(tmp)) [L633] CALL, EXPR is_transmit1_triggered() [L256] int __retres1 ; [L259] COND FALSE !(t1_pc == 1) [L269] __retres1 = 0 [L271] return (__retres1); [L633] RET, EXPR is_transmit1_triggered() [L633] tmp___0 = is_transmit1_triggered() [L635] COND FALSE !(\read(tmp___0)) [L641] CALL, EXPR is_transmit2_triggered() [L275] int __retres1 ; [L278] COND FALSE !(t2_pc == 1) [L288] __retres1 = 0 [L290] return (__retres1); [L641] RET, EXPR is_transmit2_triggered() [L641] tmp___1 = is_transmit2_triggered() [L643] COND FALSE !(\read(tmp___1)) [L649] CALL, EXPR is_transmit3_triggered() [L294] int __retres1 ; [L297] COND FALSE !(t3_pc == 1) [L307] __retres1 = 0 [L309] return (__retres1); [L649] RET, EXPR is_transmit3_triggered() [L649] tmp___2 = is_transmit3_triggered() [L651] COND FALSE !(\read(tmp___2)) [L657] CALL, EXPR is_transmit4_triggered() [L313] int __retres1 ; [L316] COND FALSE !(t4_pc == 1) [L326] __retres1 = 0 [L328] return (__retres1); [L657] RET, EXPR is_transmit4_triggered() [L657] tmp___3 = is_transmit4_triggered() [L659] COND FALSE !(\read(tmp___3)) [L789] RET activate_threads() [L790] CALL reset_delta_events() [L562] COND FALSE !(M_E == 1) [L567] COND FALSE !(T1_E == 1) [L572] COND FALSE !(T2_E == 1) [L577] COND FALSE !(T3_E == 1) [L582] COND FALSE !(T4_E == 1) [L587] COND FALSE !(E_M == 1) [L592] COND FALSE !(E_1 == 1) [L597] COND FALSE !(E_2 == 1) [L602] COND FALSE !(E_3 == 1) [L607] COND FALSE !(E_4 == 1) [L790] RET reset_delta_events() [L793] COND TRUE 1 [L796] kernel_st = 1 [L797] CALL eval() [L409] int tmp ; [L413] COND TRUE 1 [L416] CALL, EXPR exists_runnable_thread() [L373] int __retres1 ; [L376] COND TRUE m_st == 0 [L377] __retres1 = 1 [L404] return (__retres1); [L416] RET, EXPR exists_runnable_thread() [L416] tmp = exists_runnable_thread() [L418] COND TRUE \read(tmp) [L423] COND TRUE m_st == 0 [L424] int tmp_ndt_1; [L425] tmp_ndt_1 = __VERIFIER_nondet_int() [L426] COND TRUE \read(tmp_ndt_1) [L428] m_st = 1 [L429] CALL master() [L52] COND TRUE m_pc == 0 [L63] COND TRUE 1 [L66] token = __VERIFIER_nondet_int() [L67] local = token [L68] E_1 = 1 [L69] CALL immediate_notify() [L673] CALL activate_threads() [L617] int tmp ; [L618] int tmp___0 ; [L619] int tmp___1 ; [L620] int tmp___2 ; [L621] int tmp___3 ; [L625] CALL, EXPR is_master_triggered() [L237] int __retres1 ; [L240] COND FALSE !(m_pc == 1) [L250] __retres1 = 0 [L252] return (__retres1); [L625] RET, EXPR is_master_triggered() [L625] tmp = is_master_triggered() [L627] COND FALSE !(\read(tmp)) [L633] CALL, EXPR is_transmit1_triggered() [L256] int __retres1 ; [L259] COND FALSE !(t1_pc == 1) [L269] __retres1 = 0 [L271] return (__retres1); [L633] RET, EXPR is_transmit1_triggered() [L633] tmp___0 = is_transmit1_triggered() [L635] COND FALSE !(\read(tmp___0)) [L641] CALL, EXPR is_transmit2_triggered() [L275] int __retres1 ; [L278] COND FALSE !(t2_pc == 1) [L288] __retres1 = 0 [L290] return (__retres1); [L641] RET, EXPR is_transmit2_triggered() [L641] tmp___1 = is_transmit2_triggered() [L643] COND FALSE !(\read(tmp___1)) [L649] CALL, EXPR is_transmit3_triggered() [L294] int __retres1 ; [L297] COND FALSE !(t3_pc == 1) [L307] __retres1 = 0 [L309] return (__retres1); [L649] RET, EXPR is_transmit3_triggered() [L649] tmp___2 = is_transmit3_triggered() [L651] COND FALSE !(\read(tmp___2)) [L657] CALL, EXPR is_transmit4_triggered() [L313] int __retres1 ; [L316] COND FALSE !(t4_pc == 1) [L326] __retres1 = 0 [L328] return (__retres1); [L657] RET, EXPR is_transmit4_triggered() [L657] tmp___3 = is_transmit4_triggered() [L659] COND FALSE !(\read(tmp___3)) [L673] RET activate_threads() [L69] RET immediate_notify() [L70] E_1 = 2 [L71] m_pc = 1 [L72] m_st = 2 [L429] RET master() [L437] COND FALSE !(t1_st == 0) [L451] COND FALSE !(t2_st == 0) [L465] COND FALSE !(t3_st == 0) [L479] COND FALSE !(t4_st == 0) [L413] COND TRUE 1 [L416] CALL, EXPR exists_runnable_thread() [L373] int __retres1 ; [L376] COND TRUE m_st == 0 [L377] __retres1 = 1 [L404] return (__retres1); [L416] RET, EXPR exists_runnable_thread() [L416] tmp = exists_runnable_thread() [L418] COND TRUE \read(tmp) [L423] COND TRUE m_st == 0 [L424] int tmp_ndt_1; [L425] tmp_ndt_1 = __VERIFIER_nondet_int() [L426] COND TRUE \read(tmp_ndt_1) [L428] m_st = 1 [L429] CALL master() [L52] COND FALSE !(m_pc == 0) [L55] COND TRUE m_pc == 1 [L77] COND TRUE token != local + 4 [L79] CALL error() [L10] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...