java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:50:52,222 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:50:52,225 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:50:52,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:50:52,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:50:52,241 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:50:52,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:50:52,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:50:52,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:50:52,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:50:52,258 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:50:52,259 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:50:52,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:50:52,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:50:52,264 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:50:52,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:50:52,267 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:50:52,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:50:52,272 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:50:52,275 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:50:52,280 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:50:52,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:50:52,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:50:52,287 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:50:52,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:50:52,290 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:50:52,290 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:50:52,292 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:50:52,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:50:52,295 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:50:52,295 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:50:52,297 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:50:52,298 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:50:52,299 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:50:52,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:50:52,301 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:50:52,302 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:50:52,302 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:50:52,302 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:50:52,303 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:50:52,305 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:50:52,305 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 [2019-10-14 23:50:52,325 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:50:52,325 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:50:52,327 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:50:52,327 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:50:52,327 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:50:52,328 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:50:52,328 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:50:52,328 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:50:52,328 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:50:52,329 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:50:52,329 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:50:52,330 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:50:52,330 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:50:52,330 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:50:52,331 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:50:52,331 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:50:52,331 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:50:52,331 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:50:52,331 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:50:52,332 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:50:52,332 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:50:52,332 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:50:52,332 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:50:52,332 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:50:52,333 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:50:52,333 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:50:52,333 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:50:52,333 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:50:52,333 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:50:52,677 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:50:52,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:50:52,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:50:52,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:50:52,704 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:50:52,705 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.06.cil.c [2019-10-14 23:50:52,782 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed11db8b0/ba11af3250c64f84b97ef479ab7f535c/FLAG4b3982640 [2019-10-14 23:50:53,322 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:50:53,323 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.06.cil.c [2019-10-14 23:50:53,339 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed11db8b0/ba11af3250c64f84b97ef479ab7f535c/FLAG4b3982640 [2019-10-14 23:50:53,687 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed11db8b0/ba11af3250c64f84b97ef479ab7f535c [2019-10-14 23:50:53,696 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:50:53,697 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:50:53,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:50:53,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:50:53,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:50:53,703 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:50:53" (1/1) ... [2019-10-14 23:50:53,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@348b11b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:53, skipping insertion in model container [2019-10-14 23:50:53,706 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:50:53" (1/1) ... [2019-10-14 23:50:53,714 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:50:53,768 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:50:54,167 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:50:54,179 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:50:54,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:50:54,261 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:50:54,261 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54 WrapperNode [2019-10-14 23:50:54,262 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:50:54,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:50:54,263 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:50:54,263 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:50:54,273 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54" (1/1) ... [2019-10-14 23:50:54,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54" (1/1) ... [2019-10-14 23:50:54,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54" (1/1) ... [2019-10-14 23:50:54,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54" (1/1) ... [2019-10-14 23:50:54,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54" (1/1) ... [2019-10-14 23:50:54,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54" (1/1) ... [2019-10-14 23:50:54,321 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54" (1/1) ... [2019-10-14 23:50:54,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:50:54,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:50:54,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:50:54,327 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:50:54,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54" (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 [2019-10-14 23:50:54,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:50:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:50:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2019-10-14 23:50:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2019-10-14 23:50:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2019-10-14 23:50:54,389 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2019-10-14 23:50:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2019-10-14 23:50:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2019-10-14 23:50:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2019-10-14 23:50:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2019-10-14 23:50:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2019-10-14 23:50:54,390 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2019-10-14 23:50:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2019-10-14 23:50:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2019-10-14 23:50:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2019-10-14 23:50:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2019-10-14 23:50:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2019-10-14 23:50:54,391 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2019-10-14 23:50:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2019-10-14 23:50:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2019-10-14 23:50:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-10-14 23:50:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2019-10-14 23:50:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2019-10-14 23:50:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2019-10-14 23:50:54,392 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2019-10-14 23:50:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2019-10-14 23:50:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2019-10-14 23:50:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2019-10-14 23:50:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2019-10-14 23:50:54,393 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2019-10-14 23:50:54,394 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:50:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:50:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:50:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure error [2019-10-14 23:50:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2019-10-14 23:50:54,394 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2019-10-14 23:50:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2019-10-14 23:50:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2019-10-14 23:50:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2019-10-14 23:50:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2019-10-14 23:50:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2019-10-14 23:50:54,395 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2019-10-14 23:50:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure master [2019-10-14 23:50:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2019-10-14 23:50:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2019-10-14 23:50:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2019-10-14 23:50:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2019-10-14 23:50:54,396 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2019-10-14 23:50:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2019-10-14 23:50:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2019-10-14 23:50:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2019-10-14 23:50:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2019-10-14 23:50:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-10-14 23:50:54,397 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2019-10-14 23:50:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2019-10-14 23:50:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2019-10-14 23:50:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2019-10-14 23:50:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2019-10-14 23:50:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2019-10-14 23:50:54,398 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2019-10-14 23:50:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2019-10-14 23:50:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:50:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:50:54,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:50:55,301 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:50:55,301 INFO L284 CfgBuilder]: Removed 10 assume(true) statements. [2019-10-14 23:50:55,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:50:55 BoogieIcfgContainer [2019-10-14 23:50:55,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:50:55,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:50:55,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:50:55,310 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:50:55,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:50:53" (1/3) ... [2019-10-14 23:50:55,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbdd1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:50:55, skipping insertion in model container [2019-10-14 23:50:55,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:50:54" (2/3) ... [2019-10-14 23:50:55,312 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbdd1fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:50:55, skipping insertion in model container [2019-10-14 23:50:55,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:50:55" (3/3) ... [2019-10-14 23:50:55,315 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.06.cil.c [2019-10-14 23:50:55,327 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:50:55,337 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:50:55,349 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:50:55,380 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:50:55,380 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:50:55,380 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:50:55,380 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:50:55,381 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:50:55,381 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:50:55,381 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:50:55,381 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:50:55,410 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states. [2019-10-14 23:50:55,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:50:55,428 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:50:55,429 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:50:55,431 INFO L410 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:50:55,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:50:55,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1616556766, now seen corresponding path program 1 times [2019-10-14 23:50:55,448 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:50:55,448 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697617088] [2019-10-14 23:50:55,449 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:50:55,449 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:50:55,449 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:50:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:55,964 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-14 23:50:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:50:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:50:56,311 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697617088] [2019-10-14 23:50:56,312 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:50:56,312 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-14 23:50:56,313 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249252867] [2019-10-14 23:50:56,319 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-14 23:50:56,319 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:50:56,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-14 23:50:56,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-14 23:50:56,337 INFO L87 Difference]: Start difference. First operand 289 states. Second operand 8 states. [2019-10-14 23:50:56,515 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2019-10-14 23:50:56,804 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-10-14 23:51:00,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:51:00,083 INFO L93 Difference]: Finished difference Result 732 states and 1170 transitions. [2019-10-14 23:51:00,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:51:00,085 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2019-10-14 23:51:00,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:51:00,105 INFO L225 Difference]: With dead ends: 732 [2019-10-14 23:51:00,105 INFO L226 Difference]: Without dead ends: 451 [2019-10-14 23:51:00,113 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:51:00,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2019-10-14 23:51:00,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 280. [2019-10-14 23:51:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2019-10-14 23:51:00,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 396 transitions. [2019-10-14 23:51:00,230 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 396 transitions. Word has length 150 [2019-10-14 23:51:00,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:51:00,231 INFO L462 AbstractCegarLoop]: Abstraction has 280 states and 396 transitions. [2019-10-14 23:51:00,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-14 23:51:00,231 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 396 transitions. [2019-10-14 23:51:00,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:51:00,245 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:51:00,245 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:51:00,245 INFO L410 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:51:00,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:51:00,246 INFO L82 PathProgramCache]: Analyzing trace with hash -668504800, now seen corresponding path program 1 times [2019-10-14 23:51:00,247 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:51:00,247 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782447006] [2019-10-14 23:51:00,247 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:00,247 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:00,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:51:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:51:00,684 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782447006] [2019-10-14 23:51:00,685 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:51:00,685 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-14 23:51:00,685 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649958893] [2019-10-14 23:51:00,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-14 23:51:00,690 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:51:00,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-14 23:51:00,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-14 23:51:00,691 INFO L87 Difference]: Start difference. First operand 280 states and 396 transitions. Second operand 9 states. [2019-10-14 23:51:05,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:51:05,990 INFO L93 Difference]: Finished difference Result 1091 states and 1659 transitions. [2019-10-14 23:51:05,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-10-14 23:51:05,990 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 150 [2019-10-14 23:51:05,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:51:05,999 INFO L225 Difference]: With dead ends: 1091 [2019-10-14 23:51:06,000 INFO L226 Difference]: Without dead ends: 835 [2019-10-14 23:51:06,004 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:51:06,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 835 states. [2019-10-14 23:51:06,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 835 to 538. [2019-10-14 23:51:06,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-14 23:51:06,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 769 transitions. [2019-10-14 23:51:06,094 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 769 transitions. Word has length 150 [2019-10-14 23:51:06,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:51:06,095 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 769 transitions. [2019-10-14 23:51:06,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-14 23:51:06,095 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 769 transitions. [2019-10-14 23:51:06,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:51:06,098 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:51:06,098 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:51:06,099 INFO L410 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:51:06,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:51:06,099 INFO L82 PathProgramCache]: Analyzing trace with hash 989639713, now seen corresponding path program 1 times [2019-10-14 23:51:06,099 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:51:06,100 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936840202] [2019-10-14 23:51:06,100 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:06,100 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:06,100 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:51:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:06,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:51:06,429 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936840202] [2019-10-14 23:51:06,429 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:51:06,429 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:51:06,430 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298985522] [2019-10-14 23:51:06,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:51:06,431 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:51:06,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:51:06,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:51:06,432 INFO L87 Difference]: Start difference. First operand 538 states and 769 transitions. Second operand 10 states. [2019-10-14 23:51:09,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:51:09,616 INFO L93 Difference]: Finished difference Result 1340 states and 1993 transitions. [2019-10-14 23:51:09,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:51:09,634 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2019-10-14 23:51:09,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:51:09,639 INFO L225 Difference]: With dead ends: 1340 [2019-10-14 23:51:09,639 INFO L226 Difference]: Without dead ends: 826 [2019-10-14 23:51:09,641 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:51:09,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2019-10-14 23:51:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 538. [2019-10-14 23:51:09,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-14 23:51:09,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 762 transitions. [2019-10-14 23:51:09,723 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 762 transitions. Word has length 150 [2019-10-14 23:51:09,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:51:09,723 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 762 transitions. [2019-10-14 23:51:09,723 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:51:09,724 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 762 transitions. [2019-10-14 23:51:09,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:51:09,726 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:51:09,726 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:51:09,727 INFO L410 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:51:09,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:51:09,727 INFO L82 PathProgramCache]: Analyzing trace with hash 479666017, now seen corresponding path program 1 times [2019-10-14 23:51:09,727 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:51:09,728 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249961483] [2019-10-14 23:51:09,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:09,728 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:09,728 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:51:09,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:09,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:51:10,102 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249961483] [2019-10-14 23:51:10,103 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:51:10,103 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:51:10,103 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94055601] [2019-10-14 23:51:10,104 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:51:10,104 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:51:10,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:51:10,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:51:10,105 INFO L87 Difference]: Start difference. First operand 538 states and 762 transitions. Second operand 10 states. [2019-10-14 23:51:12,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:51:12,800 INFO L93 Difference]: Finished difference Result 1336 states and 1971 transitions. [2019-10-14 23:51:12,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:51:12,805 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2019-10-14 23:51:12,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:51:12,811 INFO L225 Difference]: With dead ends: 1336 [2019-10-14 23:51:12,811 INFO L226 Difference]: Without dead ends: 822 [2019-10-14 23:51:12,813 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:51:12,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 822 states. [2019-10-14 23:51:12,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 822 to 538. [2019-10-14 23:51:12,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-14 23:51:12,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 755 transitions. [2019-10-14 23:51:12,881 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 755 transitions. Word has length 150 [2019-10-14 23:51:12,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:51:12,882 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 755 transitions. [2019-10-14 23:51:12,882 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:51:12,882 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 755 transitions. [2019-10-14 23:51:12,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:51:12,884 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:51:12,884 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:51:12,884 INFO L410 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:51:12,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:51:12,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1570742881, now seen corresponding path program 1 times [2019-10-14 23:51:12,885 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:51:12,885 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482987143] [2019-10-14 23:51:12,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:12,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:12,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:51:12,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:13,179 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:51:13,179 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482987143] [2019-10-14 23:51:13,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:51:13,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:51:13,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511140686] [2019-10-14 23:51:13,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:51:13,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:51:13,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:51:13,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:51:13,181 INFO L87 Difference]: Start difference. First operand 538 states and 755 transitions. Second operand 10 states. [2019-10-14 23:51:16,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:51:16,156 INFO L93 Difference]: Finished difference Result 1332 states and 1949 transitions. [2019-10-14 23:51:16,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:51:16,157 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2019-10-14 23:51:16,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:51:16,164 INFO L225 Difference]: With dead ends: 1332 [2019-10-14 23:51:16,164 INFO L226 Difference]: Without dead ends: 818 [2019-10-14 23:51:16,167 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:51:16,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 818 states. [2019-10-14 23:51:16,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 818 to 538. [2019-10-14 23:51:16,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-14 23:51:16,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 748 transitions. [2019-10-14 23:51:16,287 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 748 transitions. Word has length 150 [2019-10-14 23:51:16,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:51:16,290 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 748 transitions. [2019-10-14 23:51:16,290 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:51:16,290 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 748 transitions. [2019-10-14 23:51:16,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:51:16,292 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:51:16,292 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:51:16,293 INFO L410 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:51:16,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:51:16,293 INFO L82 PathProgramCache]: Analyzing trace with hash -2112055073, now seen corresponding path program 1 times [2019-10-14 23:51:16,293 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:51:16,294 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217803638] [2019-10-14 23:51:16,294 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:16,294 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:16,294 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:51:16,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:16,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:51:16,686 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217803638] [2019-10-14 23:51:16,687 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:51:16,687 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:51:16,687 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884931020] [2019-10-14 23:51:16,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:51:16,689 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:51:16,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:51:16,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:51:16,692 INFO L87 Difference]: Start difference. First operand 538 states and 748 transitions. Second operand 10 states. [2019-10-14 23:51:19,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:51:19,660 INFO L93 Difference]: Finished difference Result 1328 states and 1927 transitions. [2019-10-14 23:51:19,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:51:19,662 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2019-10-14 23:51:19,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:51:19,670 INFO L225 Difference]: With dead ends: 1328 [2019-10-14 23:51:19,670 INFO L226 Difference]: Without dead ends: 814 [2019-10-14 23:51:19,672 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:51:19,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2019-10-14 23:51:19,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 538. [2019-10-14 23:51:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-14 23:51:19,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 741 transitions. [2019-10-14 23:51:19,737 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 741 transitions. Word has length 150 [2019-10-14 23:51:19,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:51:19,738 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 741 transitions. [2019-10-14 23:51:19,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:51:19,738 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 741 transitions. [2019-10-14 23:51:19,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:51:19,740 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:51:19,740 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:51:19,740 INFO L410 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:51:19,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:51:19,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1749808543, now seen corresponding path program 1 times [2019-10-14 23:51:19,741 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:51:19,741 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14701600] [2019-10-14 23:51:19,741 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:19,742 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:19,742 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:51:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:19,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:20,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:51:20,066 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14701600] [2019-10-14 23:51:20,066 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:51:20,066 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:51:20,066 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112318752] [2019-10-14 23:51:20,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:51:20,067 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:51:20,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:51:20,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:51:20,067 INFO L87 Difference]: Start difference. First operand 538 states and 741 transitions. Second operand 10 states. [2019-10-14 23:51:22,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:51:22,922 INFO L93 Difference]: Finished difference Result 1328 states and 1913 transitions. [2019-10-14 23:51:22,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-14 23:51:22,923 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2019-10-14 23:51:22,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:51:22,928 INFO L225 Difference]: With dead ends: 1328 [2019-10-14 23:51:22,928 INFO L226 Difference]: Without dead ends: 814 [2019-10-14 23:51:22,930 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2019-10-14 23:51:22,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2019-10-14 23:51:22,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 538. [2019-10-14 23:51:22,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-14 23:51:22,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 734 transitions. [2019-10-14 23:51:22,998 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 734 transitions. Word has length 150 [2019-10-14 23:51:22,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:51:22,999 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 734 transitions. [2019-10-14 23:51:22,999 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:51:22,999 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 734 transitions. [2019-10-14 23:51:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:51:23,001 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:51:23,001 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:51:23,001 INFO L410 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:51:23,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:51:23,002 INFO L82 PathProgramCache]: Analyzing trace with hash -936672673, now seen corresponding path program 1 times [2019-10-14 23:51:23,002 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:51:23,002 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580228896] [2019-10-14 23:51:23,002 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:23,003 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:23,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:51:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:51:23,404 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580228896] [2019-10-14 23:51:23,404 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:51:23,404 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:51:23,405 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847305044] [2019-10-14 23:51:23,405 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:51:23,406 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:51:23,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:51:23,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:51:23,407 INFO L87 Difference]: Start difference. First operand 538 states and 734 transitions. Second operand 10 states. [2019-10-14 23:51:23,577 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2019-10-14 23:51:28,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:51:28,052 INFO L93 Difference]: Finished difference Result 1611 states and 2400 transitions. [2019-10-14 23:51:28,052 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-14 23:51:28,053 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 150 [2019-10-14 23:51:28,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:51:28,062 INFO L225 Difference]: With dead ends: 1611 [2019-10-14 23:51:28,063 INFO L226 Difference]: Without dead ends: 1097 [2019-10-14 23:51:28,067 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=123, Invalid=297, Unknown=0, NotChecked=0, Total=420 [2019-10-14 23:51:28,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2019-10-14 23:51:28,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 690. [2019-10-14 23:51:28,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2019-10-14 23:51:28,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 916 transitions. [2019-10-14 23:51:28,228 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 916 transitions. Word has length 150 [2019-10-14 23:51:28,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:51:28,229 INFO L462 AbstractCegarLoop]: Abstraction has 690 states and 916 transitions. [2019-10-14 23:51:28,232 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:51:28,233 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 916 transitions. [2019-10-14 23:51:28,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:51:28,236 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:51:28,236 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:51:28,237 INFO L410 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:51:28,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:51:28,237 INFO L82 PathProgramCache]: Analyzing trace with hash -252094914, now seen corresponding path program 1 times [2019-10-14 23:51:28,237 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:51:28,238 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300045649] [2019-10-14 23:51:28,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:28,239 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:51:28,239 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:51:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,465 WARN L191 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2019-10-14 23:51:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:51:28,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-14 23:51:28,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300045649] [2019-10-14 23:51:28,737 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:51:28,737 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:51:28,737 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678356511] [2019-10-14 23:51:28,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:51:28,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:51:28,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:51:28,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:51:28,739 INFO L87 Difference]: Start difference. First operand 690 states and 916 transitions. Second operand 10 states. [2019-10-14 23:51:28,921 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 105