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-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-06 11:33:40,874 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-06 11:33:40,876 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-06 11:33:40,890 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-06 11:33:40,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-06 11:33:40,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-06 11:33:40,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-06 11:33:40,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-06 11:33:40,897 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-06 11:33:40,898 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-06 11:33:40,899 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-06 11:33:40,900 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-06 11:33:40,901 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-06 11:33:40,902 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-06 11:33:40,902 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-06 11:33:40,904 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-06 11:33:40,904 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-06 11:33:40,905 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-06 11:33:40,907 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-06 11:33:40,909 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-06 11:33:40,911 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-06 11:33:40,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-06 11:33:40,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-06 11:33:40,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-06 11:33:40,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-06 11:33:40,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-06 11:33:40,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-06 11:33:40,918 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-06 11:33:40,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-06 11:33:40,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-06 11:33:40,920 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-06 11:33:40,921 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-06 11:33:40,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-06 11:33:40,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-06 11:33:40,924 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-06 11:33:40,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-06 11:33:40,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-06 11:33:40,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-06 11:33:40,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-06 11:33:40,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-06 11:33:40,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-06 11:33:40,927 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 11:33:40,942 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-06 11:33:40,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-06 11:33:40,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-06 11:33:40,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-06 11:33:40,947 INFO L138 SettingsManager]: * Use SBE=true [2019-09-06 11:33:40,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-06 11:33:40,947 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-06 11:33:40,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-06 11:33:40,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-06 11:33:40,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-06 11:33:40,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-06 11:33:40,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-06 11:33:40,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-06 11:33:40,948 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-06 11:33:40,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-06 11:33:40,949 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-06 11:33:40,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-06 11:33:40,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-06 11:33:40,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-06 11:33:40,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-06 11:33:40,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-06 11:33:40,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-06 11:33:40,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-06 11:33:40,952 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-06 11:33:40,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-06 11:33:40,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-06 11:33:40,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-06 11:33:40,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-06 11:33:40,952 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 11:33:40,982 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-06 11:33:40,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-06 11:33:40,998 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-06 11:33:41,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-06 11:33:41,000 INFO L275 PluginConnector]: CDTParser initialized [2019-09-06 11:33:41,001 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/token_ring.07.cil-1.c [2019-09-06 11:33:41,068 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e3d726c2/162888d81daa47c9aa3d4fb58ed87907/FLAG848488bf8 [2019-09-06 11:33:41,592 INFO L306 CDTParser]: Found 1 translation units. [2019-09-06 11:33:41,593 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/token_ring.07.cil-1.c [2019-09-06 11:33:41,613 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e3d726c2/162888d81daa47c9aa3d4fb58ed87907/FLAG848488bf8 [2019-09-06 11:33:41,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7e3d726c2/162888d81daa47c9aa3d4fb58ed87907 [2019-09-06 11:33:41,932 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-06 11:33:41,934 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-06 11:33:41,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:41,935 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-06 11:33:41,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-06 11:33:41,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:41" (1/1) ... [2019-09-06 11:33:41,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6390ccb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:41, skipping insertion in model container [2019-09-06 11:33:41,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.09 11:33:41" (1/1) ... [2019-09-06 11:33:41,949 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-06 11:33:42,004 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-06 11:33:42,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:42,412 INFO L188 MainTranslator]: Completed pre-run [2019-09-06 11:33:42,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-06 11:33:42,507 INFO L192 MainTranslator]: Completed translation [2019-09-06 11:33:42,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42 WrapperNode [2019-09-06 11:33:42,508 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-06 11:33:42,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-06 11:33:42,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-06 11:33:42,509 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-06 11:33:42,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,537 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,575 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (1/1) ... [2019-09-06 11:33:42,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-06 11:33:42,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-06 11:33:42,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-06 11:33:42,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-06 11:33:42,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.09 11:33:42" (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 11:33:42,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-06 11:33:42,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-06 11:33:42,644 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-09-06 11:33:42,644 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-09-06 11:33:42,645 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-09-06 11:33:42,645 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-09-06 11:33:42,645 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-09-06 11:33:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-09-06 11:33:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2019-09-06 11:33:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2019-09-06 11:33:42,646 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2019-09-06 11:33:42,647 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-09-06 11:33:42,647 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-09-06 11:33:42,647 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-09-06 11:33:42,648 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-09-06 11:33:42,648 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-09-06 11:33:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2019-09-06 11:33:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2019-09-06 11:33:42,651 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2019-09-06 11:33:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-09-06 11:33:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-09-06 11:33:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-09-06 11:33:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-09-06 11:33:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-09-06 11:33:42,652 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-09-06 11:33:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-09-06 11:33:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-09-06 11:33:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-09-06 11:33:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-09-06 11:33:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-09-06 11:33:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-09-06 11:33:42,653 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-09-06 11:33:42,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-06 11:33:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-06 11:33:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-09-06 11:33:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-09-06 11:33:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-09-06 11:33:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-09-06 11:33:42,654 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-09-06 11:33:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-09-06 11:33:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2019-09-06 11:33:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2019-09-06 11:33:42,655 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2019-09-06 11:33:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-09-06 11:33:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-06 11:33:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-09-06 11:33:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-09-06 11:33:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-09-06 11:33:42,656 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-09-06 11:33:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-09-06 11:33:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2019-09-06 11:33:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2019-09-06 11:33:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2019-09-06 11:33:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-09-06 11:33:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-09-06 11:33:42,657 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-09-06 11:33:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-09-06 11:33:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-09-06 11:33:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-09-06 11:33:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-09-06 11:33:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-09-06 11:33:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-09-06 11:33:42,658 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-09-06 11:33:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-09-06 11:33:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-09-06 11:33:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-06 11:33:42,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-06 11:33:42,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-06 11:33:43,536 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-06 11:33:43,536 INFO L283 CfgBuilder]: Removed 10 assume(true) statements. [2019-09-06 11:33:43,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:43 BoogieIcfgContainer [2019-09-06 11:33:43,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-06 11:33:43,539 INFO L113 PluginConnector]: ------------------------Sifa---------------------------- [2019-09-06 11:33:43,539 INFO L271 PluginConnector]: Initializing Sifa... [2019-09-06 11:33:43,539 INFO L275 PluginConnector]: Sifa initialized [2019-09-06 11:33:43,542 INFO L185 PluginConnector]: Executing the observer SifaObserver from plugin Sifa for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.09 11:33:43" (1/1) ... [2019-09-06 11:33:43,542 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 11:33:43,575 INFO L162 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-09-06 11:33:43,575 INFO L169 IcfgInterpreter]: Building call graph [2019-09-06 11:33:43,596 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-09-06 11:33:43,607 INFO L179 IcfgInterpreter]: Starting interpretation [2019-09-06 11:33:43,609 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2019-09-06 11:33:43,807 INFO L199 IcfgInterpreter]: Interpreting procedure main with input of size 213 for LOIs [2019-09-06 11:33:43,942 INFO L199 IcfgInterpreter]: Interpreting procedure start_simulation with input of size 198 for LOIs [2019-09-06 11:33:53,439 INFO L199 IcfgInterpreter]: Interpreting procedure eval with input of size 162 for LOIs [2019-09-06 11:33:54,029 INFO L199 IcfgInterpreter]: Interpreting procedure master with input of size 134 for LOIs [2019-09-06 11:33:54,031 INFO L199 IcfgInterpreter]: Interpreting procedure error with input of size 117 for LOIs [2019-09-06 11:33:54,033 INFO L183 IcfgInterpreter]: Interpretation finished [2019-09-06 11:33:54,033 INFO L191 IcfgInterpreter]: Final predicates for locations of interest are: [2019-09-06 11:33:54,038 INFO L193 IcfgInterpreter]: Reachable states at location errorErr0ASSERT_VIOLATIONERROR_FUNCTION satisfy 3093#(and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= 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) (<= 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) (<= ~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) (<= 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) (<= 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) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t7_i~0) (<= ~t7_i~0 1) (<= 1 ~t1_i~0)) [2019-09-06 11:33:54,053 INFO L104 SifaObserver]: ✘ Some error locations might be reachable, see reported results. [2019-09-06 11:33:54,053 INFO L132 PluginConnector]: ------------------------ END Sifa---------------------------- [2019-09-06 11:33:54,057 INFO L168 Benchmark]: Toolchain (without parser) took 12121.15 ms. Allocated memory was 140.5 MB in the beginning and 556.8 MB in the end (delta: 416.3 MB). Free memory was 88.4 MB in the beginning and 470.3 MB in the end (delta: -381.9 MB). Peak memory consumption was 34.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:54,060 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-06 11:33:54,061 INFO L168 Benchmark]: CACSL2BoogieTranslator took 573.53 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.1 MB in the beginning and 170.7 MB in the end (delta: -82.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:54,063 INFO L168 Benchmark]: Boogie Preprocessor took 77.00 ms. Allocated memory is still 199.8 MB. Free memory was 170.7 MB in the beginning and 166.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:54,064 INFO L168 Benchmark]: RCFGBuilder took 952.21 ms. Allocated memory is still 199.8 MB. Free memory was 166.3 MB in the beginning and 99.1 MB in the end (delta: 67.3 MB). Peak memory consumption was 67.3 MB. Max. memory is 7.1 GB. [2019-09-06 11:33:54,070 INFO L168 Benchmark]: Sifa took 10514.65 ms. Allocated memory was 199.8 MB in the beginning and 556.8 MB in the end (delta: 357.0 MB). Free memory was 99.1 MB in the beginning and 470.3 MB in the end (delta: -371.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-06 11:33:54,083 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 573.53 ms. Allocated memory was 140.5 MB in the beginning and 199.8 MB in the end (delta: 59.2 MB). Free memory was 88.1 MB in the beginning and 170.7 MB in the end (delta: -82.6 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 77.00 ms. Allocated memory is still 199.8 MB. Free memory was 170.7 MB in the beginning and 166.3 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 952.21 ms. Allocated memory is still 199.8 MB. Free memory was 166.3 MB in the beginning and 99.1 MB in the end (delta: 67.3 MB). Peak memory consumption was 67.3 MB. Max. memory is 7.1 GB. * Sifa took 10514.65 ms. Allocated memory was 199.8 MB in the beginning and 556.8 MB in the end (delta: 357.0 MB). Free memory was 99.1 MB in the beginning and 470.3 MB in the end (delta: -371.2 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.sifa: - StatisticsResult: Symbolic Interpretation with Fluid Abstractions OVERALL_TIME[ms]: 10463, ICFG_INTERPRETER_ENTERED_PROCEDURES: 6, DAG_INTERPRETER_EARLY_EXIT_QUERIES: 2186, DAG_INTERPRETER_EARLY_EXITS: 30, TOOLS_POST_APPLICATIONS: 1797, TOOLS_POST_TIME[ms]: 1176, TOOLS_POST_CALL_APPLICATIONS: 222, TOOLS_POST_CALL_TIME[ms]: 1007, TOOLS_POST_RETURN_APPLICATIONS: 217, TOOLS_POST_RETURN_TIME[ms]: 1086, TOOLS_QUANTIFIERELIM_TIME[ms]: 2391, FLUID_QUERY_TIME[ms]: 75, FLUID_QUERIES: 2193, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 786, DOMAIN_JOIN_TIME[ms]: 1990, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME[ms]: 0, DOMAIN_WIDEN_APPLICATIONS: 3, DOMAIN_WIDEN_TIME[ms]: 13, DOMAIN_ISSUBSETEQ_APPLICATIONS: 809, DOMAIN_ISSUBSETEQ_TIME[ms]: 2694, DOMAIN_ISBOTTOM_APPLICATIONS: 663, DOMAIN_ISBOTTOM_TIME[ms]: 2039, LOOP_SUMMARIZER_APPLICATIONS: 4, LOOP_SUMMARIZER_CACHE_MISSES: 4, LOOP_SUMMARIZER_OVERALL_TIME[ms]: 7892, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 7891, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 7, CALL_SUMMARIZER_APPLICATIONS: 217, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME[ms]: 9189, CALL_SUMMARIZER_NEW_COMPUTATION_TIME[ms]: 0, PROCEDURE_GRAPH_BUILDER_TIME[ms]: 9, PATH_EXPR_TIME[ms]: 15, REGEX_TO_DAG_TIME[ms]: 7, DAG_COMPRESSION_TIME[ms]: 55, DAG_COMPRESSION_PROCESSED_NODES: 1137, DAG_COMPRESSION_RETAINED_NODES: 645 - 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 3093#(and (<= 0 ~t1_st~0) (<= 2 ~T4_E~0) (<= 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) (<= 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) (<= ~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) (<= 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) (<= 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) (<= ~T2_E~0 2) (<= 0 ~t2_st~0) (<= 1 ~t7_i~0) (<= ~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...