java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --sifa.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/systemc/token_ring.07.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:49,803 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:49,806 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:49,825 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:49,825 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:49,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:49,830 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:49,843 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:49,845 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:49,847 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:49,850 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:49,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:49,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:49,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:49,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:49,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:49,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:49,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:49,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:49,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:49,861 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:49,862 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:49,863 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:49,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:49,866 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:33:49,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:33:49,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:33:49,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:33:49,868 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:33:49,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:33:49,871 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:49,872 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:49,872 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:49,873 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:49,877 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:49,877 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:49,878 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:49,878 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:49,878 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:49,879 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:49,880 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:49,881 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-09-06 11:33:49,895 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:49,895 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:49,896 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:49,896 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:49,897 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:49,897 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:49,897 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:49,897 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:49,897 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:49,898 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:49,898 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:49,898 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:49,898 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:49,898 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:49,899 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:49,899 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:49,899 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:49,899 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:49,899 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:49,900 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:49,900 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:49,900 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:49,900 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:49,901 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:49,901 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:49,901 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:49,901 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:49,901 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:49,901 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> IntervalDomain [2019-09-06 11:33:49,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:49,963 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:49,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:49,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:49,969 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:49,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.07.cil-2.c [2019-09-06 11:33:50,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337055075/1610d0726b6b4333a1a9c488f4a47eda/FLAGdba80fd81 [2019-09-06 11:33:50,603 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:50,604 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.07.cil-2.c [2019-09-06 11:33:50,630 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337055075/1610d0726b6b4333a1a9c488f4a47eda/FLAGdba80fd81 [2019-09-06 11:33:50,904 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/337055075/1610d0726b6b4333a1a9c488f4a47eda [2019-09-06 11:33:50,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:50,917 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:50,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:50,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:50,921 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:50,922 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:50" (1/1) ... [2019-09-06 11:33:50,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bf3cf61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:50, skipping insertion in model container [2019-09-06 11:33:50,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:50" (1/1) ... [2019-09-06 11:33:50,933 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:50,984 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:51,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:51,385 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:51,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:51,482 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:51,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:51 WrapperNode [2019-09-06 11:33:51,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:51,483 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:51,483 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:51,483 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:51,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:51" (1/1) ... [2019-09-06 11:33:51,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:51" (1/1) ... [2019-09-06 11:33:51,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:51" (1/1) ... [2019-09-06 11:33:51,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:51" (1/1) ... [2019-09-06 11:33:51,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:51" (1/1) ... [2019-09-06 11:33:51,576 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:51" (1/1) ... [2019-09-06 11:33:51,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:51" (1/1) ... [2019-09-06 11:33:51,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:51,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:51,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:51,587 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:51,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:51" (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 [2019-09-06 11:33:51,636 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:51,637 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-06 11:33:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-06 11:33:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-06 11:33:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-06 11:33:51,638 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-09-06 11:33:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2019-09-06 11:33:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2019-09-06 11:33:51,639 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2019-09-06 11:33:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-06 11:33:51,640 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-06 11:33:51,641 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-06 11:33:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-06 11:33:51,642 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-09-06 11:33:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2019-09-06 11:33:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2019-09-06 11:33:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2019-09-06 11:33:51,645 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:33:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:33:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:33:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:33:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:33:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:33:51,646 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-06 11:33:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:33:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:33:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:33:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:33:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:51,647 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-06 11:33:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-06 11:33:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-06 11:33:51,648 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-06 11:33:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-09-06 11:33:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2019-09-06 11:33:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2019-09-06 11:33:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2019-09-06 11:33:51,649 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-06 11:33:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-06 11:33:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-06 11:33:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-06 11:33:51,650 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-06 11:33:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-09-06 11:33:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2019-09-06 11:33:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2019-09-06 11:33:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2019-09-06 11:33:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:33:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:33:51,651 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:33:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:33:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:33:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:33:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:33:51,652 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:33:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:33:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:33:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:51,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:51,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:52,510 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:52,511 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-06 11:33:52,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:52 BoogieIcfgContainer [2019-09-06 11:33:52,513 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:52,513 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:52,513 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:52,515 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:52,516 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:52" (1/1) ... [2019-09-06 11:33:52,517 INFO L79 SifaObserver]: Intern domains=ExplicitValueDomain;IntervalDomain ♦ Abstract Domain=IntervalDomain ♦ Abstract when formula's dag size exceeds (negative numbers disable this limit)=-1 ♦ Fluid=SizeLimitFluid ♦ Max. Parallel Explicit Values=2 ♦ Max. Parallel Intervals=2 ♦ Loop Summarizer=FixpointLoopSummarizer ♦ Abstract when formula has more disjuncts than (negative numbers disable this limit)=8 ♦ Call Summarizer=ReUseSupersetCallSummarizer ♦ Xnf Conversion Technique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION ♦ Simplification Technique=NONE ♦ Intern Fluid=SizeLimitFluid [2019-09-06 11:33:52,560 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:52,560 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:52,586 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:52,600 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:52,602 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:52,788 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 213 for LOIs [2019-09-06 11:33:52,914 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 198 for LOIs [2019-09-06 11:34:56,216 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 199 for LOIs [2019-09-06 11:35:13,518 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 147 for LOIs [2019-09-06 11:35:13,533 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 131 for LOIs [2019-09-06 11:35:13,534 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:35:13,535 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:35:13,536 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 24287#(or (and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= ~t1_pc~0 1) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t2_st~0 2) (<= 0 ~t7_pc~0) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 (+ ~token~0 2147483641)) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= ~t2_pc~0 1) (<= ~T7_E~0 2) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 0 ~t7_st~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 2 ~E_7~0) (<= 1 ~m_i~0) (<= ~t1_st~0 2) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= ~token~0 2147483654) (<= 2 ~M_E~0) (<= 2 ~T7_E~0) (<= 2 ~T3_E~0) (<= 1 ~m_st~0) (<= ~m_pc~0 1) (<= ~E_7~0 2) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t7_i~0) (<= ~t3_st~0 2) (<= ~t7_i~0 1) (<= 1 ~t1_i~0)) (and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= ~t1_pc~0 1) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t2_st~0 2) (<= 0 ~t7_pc~0) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= ~t2_pc~0 1) (<= ~T7_E~0 2) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 0 ~t7_st~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 2 ~E_7~0) (<= 1 ~m_i~0) (<= ~t1_st~0 2) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= 2 ~M_E~0) (<= 2 ~T7_E~0) (<= 2 ~T3_E~0) (<= 1 ~m_st~0) (<= ~m_pc~0 1) (<= ~E_7~0 2) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 0 (+ ~token~0 2147483648)) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t7_i~0) (<= ~t3_st~0 2) (<= ~t7_i~0 1) (<= 1 ~t1_i~0))) [2019-09-06 11:35:13,550 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:35:13,550 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:35:13,552 INFO L168 Benchmark]: Toolchain (without parser) took 82634.78 ms. Allocated memory was 132.1 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 85.5 MB in the beginning and 477.3 MB in the end (delta: -391.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-09-06 11:35:13,553 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:35:13,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 564.69 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.1 MB in the beginning and 166.8 MB in the end (delta: -81.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. [2019-09-06 11:35:13,555 INFO L168 Benchmark]: Boogie Preprocessor took 102.94 ms. Allocated memory is still 198.7 MB. Free memory was 166.8 MB in the beginning and 163.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:35:13,556 INFO L168 Benchmark]: RCFGBuilder took 926.50 ms. Allocated memory is still 198.7 MB. Free memory was 163.4 MB in the beginning and 94.9 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. [2019-09-06 11:35:13,558 INFO L168 Benchmark]: Sifa took 81036.96 ms. Allocated memory was 198.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 94.9 MB in the beginning and 477.3 MB in the end (delta: -382.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-09-06 11:35:13,562 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 132.1 MB. Free memory was 105.1 MB in the beginning and 104.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 564.69 ms. Allocated memory was 132.1 MB in the beginning and 198.7 MB in the end (delta: 66.6 MB). Free memory was 85.1 MB in the beginning and 166.8 MB in the end (delta: -81.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.94 ms. Allocated memory is still 198.7 MB. Free memory was 166.8 MB in the beginning and 163.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 926.50 ms. Allocated memory is still 198.7 MB. Free memory was 163.4 MB in the beginning and 94.9 MB in the end (delta: 68.5 MB). Peak memory consumption was 68.5 MB. Max. memory is 7.1 GB. * Sifa took 81036.96 ms. Allocated memory was 198.7 MB in the beginning and 1.8 GB in the end (delta: 1.6 GB). Free memory was 94.9 MB in the beginning and 477.3 MB in the end (delta: -382.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 80977, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 15224, DAG_INTERPRETER_EARLY_EXITS: 60, TOOLS_POST_APPLICATIONS: 11670, TOOLS_POST_TIME[ms]: 7497, TOOLS_POST_CALL_APPLICATIONS: 2041, TOOLS_POST_CALL_TIME[ms]: 7009, TOOLS_POST_RETURN_APPLICATIONS: 2035, TOOLS_POST_RETURN_TIME[ms]: 8635, TOOLS_QUANTIFIERELIM_TIME[ms]: 17710, FLUID_QUERY_TIME[ms]: 363, FLUID_QUERIES: 15338, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 6780, DOMAIN_JOIN_TIME[ms]: 12052, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 23, DOMAIN_WIDEN_TIME[ms]: 38, DOMAIN_ISSUBSETEQ_APPLICATIONS: 10198, DOMAIN_ISSUBSETEQ_TIME[ms]: 28855, DOMAIN_ISBOTTOM_APPLICATIONS: 5144, DOMAIN_ISBOTTOM_TIME[ms]: 15070, LOOP_SUMMARIZER_APPLICATIONS: 91, LOOP_SUMMARIZER_CACHE_MISSES: 91, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 75647, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 75645, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 114, CALL_SUMMARIZER_APPLICATIONS: 2035, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 68530, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 8, PATH_EXPR_TIME[ms]: 14, REGEX_TO_DAG_TIME[ms]: 6, DAG_COMPRESSION_TIME[ms]: 91, DAG_COMPRESSION_PROCESSED_NODES: 3268, DAG_COMPRESSION_RETAINED_NODES: 1583 - UnprovableResult [Line: 10]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 24287#(or (and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= ~t1_pc~0 1) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t2_st~0 2) (<= 0 ~t7_pc~0) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 (+ ~token~0 2147483641)) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= ~t2_pc~0 1) (<= ~T7_E~0 2) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 0 ~t7_st~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 2 ~E_7~0) (<= 1 ~m_i~0) (<= ~t1_st~0 2) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= ~token~0 2147483654) (<= 2 ~M_E~0) (<= 2 ~T7_E~0) (<= 2 ~T3_E~0) (<= 1 ~m_st~0) (<= ~m_pc~0 1) (<= ~E_7~0 2) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t7_i~0) (<= ~t3_st~0 2) (<= ~t7_i~0 1) (<= 1 ~t1_i~0)) (and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= ~t1_pc~0 1) (<= 2 ~E_3~0) (<= ~T5_E~0 2) (<= 2 ~T6_E~0) (<= 2 ~T2_E~0) (<= ~t1_i~0 1) (<= ~t3_i~0 1) (<= ~m_i~0 1) (<= ~t2_st~0 2) (<= 0 ~t7_pc~0) (<= ~t4_i~0 1) (<= ~E_1~0 2) (<= 2 ~E_2~0) (<= 0 ~t1_pc~0) (<= 0 ~t6_pc~0) (<= ~T6_E~0 2) (<= 0 ~t4_st~0) (<= ~E_2~0 2) (<= ~t2_pc~0 1) (<= ~T7_E~0 2) (<= 2 ~E_4~0) (<= ~E_3~0 2) (<= 1 ~t2_i~0) (<= 0 ~t7_st~0) (<= 1 ~t6_i~0) (<= ~t5_i~0 1) (<= 2 ~E_5~0) (<= 2 ~E_7~0) (<= 1 ~m_i~0) (<= ~t1_st~0 2) (<= 1 ~t4_i~0) (<= ~T4_E~0 2) (<= 2 ~M_E~0) (<= 2 ~T7_E~0) (<= 2 ~T3_E~0) (<= 1 ~m_st~0) (<= ~m_pc~0 1) (<= ~E_7~0 2) (<= 1 ~m_pc~0) (<= ~m_st~0 1) (<= ~t6_i~0 1) (<= 0 ~t5_st~0) (<= ~E_5~0 2) (<= ~E_4~0 2) (<= 2 ~E_6~0) (<= 2 ~E_M~0) (<= ~E_6~0 2) (<= 0 ~t2_pc~0) (<= 2 ~E_1~0) (<= 0 ~t3_pc~0) (<= ~T1_E~0 2) (<= ~t2_i~0 1) (<= 2 ~T5_E~0) (<= ~T3_E~0 2) (<= ~M_E~0 2) (<= ~local~0 2147483647) (<= 0 ~t3_st~0) (<= ~E_M~0 2) (<= 0 ~t5_pc~0) (<= 0 ~t4_pc~0) (<= 0 ~t6_st~0) (<= 0 (+ ~token~0 2147483648)) (<= 1 ~t5_i~0) (<= 1 ~t3_i~0) (<= 2 ~T1_E~0) (<= 0 (+ ~local~0 2147483648)) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t7_i~0) (<= ~t3_st~0 2) (<= ~t7_i~0 1) (<= 1 ~t1_i~0))). Possible FailurePath: RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...