/usr/bin/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/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-72570d3 [2020-08-22 19:51:40,711 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 19:51:40,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 19:51:40,760 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 19:51:40,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 19:51:40,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 19:51:40,773 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 19:51:40,778 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 19:51:40,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 19:51:40,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 19:51:40,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 19:51:40,787 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 19:51:40,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 19:51:40,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 19:51:40,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 19:51:40,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 19:51:40,797 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 19:51:40,798 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 19:51:40,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 19:51:40,809 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 19:51:40,812 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 19:51:40,813 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 19:51:40,814 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 19:51:40,815 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 19:51:40,829 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 19:51:40,829 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 19:51:40,829 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 19:51:40,834 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 19:51:40,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 19:51:40,836 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 19:51:40,836 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 19:51:40,841 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 19:51:40,842 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 19:51:40,843 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 19:51:40,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 19:51:40,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 19:51:40,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 19:51:40,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 19:51:40,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 19:51:40,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 19:51:40,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 19:51:40,853 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-08-22 19:51:40,869 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 19:51:40,869 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 19:51:40,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 19:51:40,873 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 19:51:40,873 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 19:51:40,873 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 19:51:40,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 19:51:40,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 19:51:40,874 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 19:51:40,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 19:51:40,876 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 19:51:40,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 19:51:40,877 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 19:51:40,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 19:51:40,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 19:51:40,878 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-08-22 19:51:40,878 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 19:51:40,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 19:51:40,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 19:51:40,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 19:51:40,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-08-22 19:51:40,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 19:51:40,880 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-08-22 19:51:41,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 19:51:41,217 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 19:51:41,221 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 19:51:41,222 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 19:51:41,223 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 19:51:41,223 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-08-22 19:51:41,296 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e69871b/8118ec70cbe047b4bddffa542a3bef99/FLAGf2eef807b [2020-08-22 19:51:41,944 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 19:51:41,946 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-08-22 19:51:41,963 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e69871b/8118ec70cbe047b4bddffa542a3bef99/FLAGf2eef807b [2020-08-22 19:51:42,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72e69871b/8118ec70cbe047b4bddffa542a3bef99 [2020-08-22 19:51:42,194 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 19:51:42,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 19:51:42,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 19:51:42,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 19:51:42,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 19:51:42,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:51:42" (1/1) ... [2020-08-22 19:51:42,207 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ee368b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42, skipping insertion in model container [2020-08-22 19:51:42,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 07:51:42" (1/1) ... [2020-08-22 19:51:42,216 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 19:51:42,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 19:51:42,688 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:51:42,706 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 19:51:42,906 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 19:51:42,944 INFO L208 MainTranslator]: Completed translation [2020-08-22 19:51:42,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42 WrapperNode [2020-08-22 19:51:42,945 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 19:51:42,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 19:51:42,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 19:51:42,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 19:51:42,961 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42" (1/1) ... [2020-08-22 19:51:42,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42" (1/1) ... [2020-08-22 19:51:42,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42" (1/1) ... [2020-08-22 19:51:42,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42" (1/1) ... [2020-08-22 19:51:43,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42" (1/1) ... [2020-08-22 19:51:43,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42" (1/1) ... [2020-08-22 19:51:43,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42" (1/1) ... [2020-08-22 19:51:43,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 19:51:43,053 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 19:51:43,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 19:51:43,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 19:51:43,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42" (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 [2020-08-22 19:51:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 19:51:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 19:51:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-08-22 19:51:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-08-22 19:51:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-08-22 19:51:43,141 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-08-22 19:51:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-08-22 19:51:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-08-22 19:51:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-08-22 19:51:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-08-22 19:51:43,142 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-08-22 19:51:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-08-22 19:51:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-08-22 19:51:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-08-22 19:51:43,144 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-08-22 19:51:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-08-22 19:51:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-08-22 19:51:43,145 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-08-22 19:51:43,146 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-08-22 19:51:43,147 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-08-22 19:51:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-08-22 19:51:43,148 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-08-22 19:51:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-08-22 19:51:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-08-22 19:51:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-08-22 19:51:43,151 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-08-22 19:51:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-08-22 19:51:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-08-22 19:51:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-08-22 19:51:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-08-22 19:51:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-08-22 19:51:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-08-22 19:51:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-08-22 19:51:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-08-22 19:51:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-08-22 19:51:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-08-22 19:51:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-08-22 19:51:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-08-22 19:51:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-08-22 19:51:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-08-22 19:51:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-08-22 19:51:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-08-22 19:51:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-08-22 19:51:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-08-22 19:51:43,154 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 19:51:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 19:51:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 19:51:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-08-22 19:51:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-08-22 19:51:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-08-22 19:51:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-08-22 19:51:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-08-22 19:51:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-08-22 19:51:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-08-22 19:51:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-08-22 19:51:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-08-22 19:51:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-08-22 19:51:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-08-22 19:51:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-08-22 19:51:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-08-22 19:51:43,157 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-08-22 19:51:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-08-22 19:51:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-08-22 19:51:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-08-22 19:51:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-08-22 19:51:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-08-22 19:51:43,158 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-08-22 19:51:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-08-22 19:51:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-08-22 19:51:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-08-22 19:51:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-08-22 19:51:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-08-22 19:51:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-08-22 19:51:43,159 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-08-22 19:51:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-08-22 19:51:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-08-22 19:51:43,160 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-08-22 19:51:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-08-22 19:51:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-08-22 19:51:43,161 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-08-22 19:51:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-08-22 19:51:43,162 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-08-22 19:51:43,163 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-08-22 19:51:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-08-22 19:51:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-08-22 19:51:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-08-22 19:51:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-08-22 19:51:43,164 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-08-22 19:51:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-08-22 19:51:43,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 19:51:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 19:51:43,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 19:51:45,003 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 19:51:45,003 INFO L295 CfgBuilder]: Removed 17 assume(true) statements. [2020-08-22 19:51:45,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:51:45 BoogieIcfgContainer [2020-08-22 19:51:45,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 19:51:45,033 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 19:51:45,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 19:51:45,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 19:51:45,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 07:51:42" (1/3) ... [2020-08-22 19:51:45,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deb3365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:51:45, skipping insertion in model container [2020-08-22 19:51:45,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 07:51:42" (2/3) ... [2020-08-22 19:51:45,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5deb3365 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 07:51:45, skipping insertion in model container [2020-08-22 19:51:45,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 07:51:45" (3/3) ... [2020-08-22 19:51:45,046 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.15.cil.c [2020-08-22 19:51:45,061 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 19:51:45,082 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 19:51:45,102 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 19:51:45,137 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 19:51:45,137 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 19:51:45,137 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-08-22 19:51:45,138 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 19:51:45,138 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 19:51:45,139 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 19:51:45,139 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 19:51:45,139 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 19:51:45,185 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states. [2020-08-22 19:51:45,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-08-22 19:51:45,247 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:51:45,249 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:51:45,249 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:51:45,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:51:45,257 INFO L82 PathProgramCache]: Analyzing trace with hash 2145549349, now seen corresponding path program 1 times [2020-08-22 19:51:45,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:51:45,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857911100] [2020-08-22 19:51:45,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:51:45,358 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:51:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,280 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-08-22 19:51:46,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:51:46,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 19:51:46,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 19:51:46,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 19:51:46,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 19:51:46,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 19:51:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 19:51:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 19:51:46,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 19:51:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 19:51:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 19:51:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 19:51:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 19:51:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 19:51:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 19:51:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-08-22 19:51:46,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 19:51:46,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 19:51:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 19:51:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 19:51:46,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-08-22 19:51:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:46,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-08-22 19:51:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:51:47,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:51:47,079 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857911100] [2020-08-22 19:51:47,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:51:47,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:51:47,083 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061183869] [2020-08-22 19:51:47,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:51:47,095 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:51:47,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:51:47,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:51:47,115 INFO L87 Difference]: Start difference. First operand 873 states. Second operand 8 states. [2020-08-22 19:51:47,411 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-08-22 19:51:48,290 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 19:51:48,436 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-08-22 19:51:48,826 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-08-22 19:51:49,039 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-08-22 19:51:54,261 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-08-22 19:51:59,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:51:59,086 INFO L93 Difference]: Finished difference Result 2261 states and 3105 transitions. [2020-08-22 19:51:59,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 19:51:59,092 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-08-22 19:51:59,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:51:59,134 INFO L225 Difference]: With dead ends: 2261 [2020-08-22 19:51:59,135 INFO L226 Difference]: Without dead ends: 1474 [2020-08-22 19:51:59,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-08-22 19:51:59,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2020-08-22 19:51:59,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 862. [2020-08-22 19:51:59,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-08-22 19:51:59,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1090 transitions. [2020-08-22 19:51:59,774 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1090 transitions. Word has length 386 [2020-08-22 19:51:59,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:51:59,776 INFO L479 AbstractCegarLoop]: Abstraction has 862 states and 1090 transitions. [2020-08-22 19:51:59,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:51:59,776 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1090 transitions. [2020-08-22 19:51:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-08-22 19:51:59,784 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:51:59,785 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:51:59,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 19:51:59,786 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:51:59,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:51:59,786 INFO L82 PathProgramCache]: Analyzing trace with hash -390542395, now seen corresponding path program 1 times [2020-08-22 19:51:59,787 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:51:59,787 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320118743] [2020-08-22 19:51:59,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:51:59,791 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:51:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,181 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-08-22 19:52:00,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:52:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 19:52:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 19:52:00,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 19:52:00,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 19:52:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 19:52:00,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 19:52:00,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 19:52:00,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 19:52:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 19:52:00,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 19:52:00,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 19:52:00,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 19:52:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 19:52:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 19:52:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-08-22 19:52:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 19:52:00,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 19:52:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 19:52:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 19:52:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-08-22 19:52:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-08-22 19:52:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:00,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:52:00,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320118743] [2020-08-22 19:52:00,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:52:00,889 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:52:00,889 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348051340] [2020-08-22 19:52:00,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:52:00,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:52:00,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:52:00,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:52:00,913 INFO L87 Difference]: Start difference. First operand 862 states and 1090 transitions. Second operand 8 states. [2020-08-22 19:52:01,187 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-08-22 19:52:01,446 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-08-22 19:52:02,082 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 19:52:02,222 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-08-22 19:52:02,392 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-08-22 19:52:02,789 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-08-22 19:52:02,969 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-08-22 19:52:07,576 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-08-22 19:52:11,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:52:11,870 INFO L93 Difference]: Finished difference Result 2230 states and 2909 transitions. [2020-08-22 19:52:11,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 19:52:11,871 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-08-22 19:52:11,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:52:11,884 INFO L225 Difference]: With dead ends: 2230 [2020-08-22 19:52:11,885 INFO L226 Difference]: Without dead ends: 1473 [2020-08-22 19:52:11,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-08-22 19:52:11,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2020-08-22 19:52:12,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 861. [2020-08-22 19:52:12,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-08-22 19:52:12,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1088 transitions. [2020-08-22 19:52:12,267 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1088 transitions. Word has length 386 [2020-08-22 19:52:12,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:52:12,269 INFO L479 AbstractCegarLoop]: Abstraction has 861 states and 1088 transitions. [2020-08-22 19:52:12,269 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:52:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1088 transitions. [2020-08-22 19:52:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-08-22 19:52:12,277 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:52:12,277 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:52:12,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 19:52:12,278 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:52:12,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:52:12,279 INFO L82 PathProgramCache]: Analyzing trace with hash -2090341531, now seen corresponding path program 1 times [2020-08-22 19:52:12,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:52:12,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391832323] [2020-08-22 19:52:12,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:52:12,283 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:52:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,650 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-08-22 19:52:12,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:52:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 19:52:12,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 19:52:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 19:52:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 19:52:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 19:52:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 19:52:12,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 19:52:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 19:52:12,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 19:52:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 19:52:12,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 19:52:12,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 19:52:12,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 19:52:12,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 19:52:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-08-22 19:52:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 19:52:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 19:52:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 19:52:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 19:52:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-08-22 19:52:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:12,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-08-22 19:52:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:13,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:52:13,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391832323] [2020-08-22 19:52:13,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:52:13,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:52:13,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129405744] [2020-08-22 19:52:13,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:52:13,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:52:13,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:52:13,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:52:13,227 INFO L87 Difference]: Start difference. First operand 861 states and 1088 transitions. Second operand 8 states. [2020-08-22 19:52:13,412 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-08-22 19:52:14,137 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 19:52:14,277 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-08-22 19:52:14,409 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-08-22 19:52:14,721 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-08-22 19:52:14,884 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-08-22 19:52:19,511 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-08-22 19:52:24,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:52:24,075 INFO L93 Difference]: Finished difference Result 2223 states and 2899 transitions. [2020-08-22 19:52:24,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 19:52:24,078 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-08-22 19:52:24,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:52:24,091 INFO L225 Difference]: With dead ends: 2223 [2020-08-22 19:52:24,092 INFO L226 Difference]: Without dead ends: 1472 [2020-08-22 19:52:24,096 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-08-22 19:52:24,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2020-08-22 19:52:24,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 860. [2020-08-22 19:52:24,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-08-22 19:52:24,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1086 transitions. [2020-08-22 19:52:24,460 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1086 transitions. Word has length 386 [2020-08-22 19:52:24,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:52:24,461 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 1086 transitions. [2020-08-22 19:52:24,461 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:52:24,462 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1086 transitions. [2020-08-22 19:52:24,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-08-22 19:52:24,469 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:52:24,470 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:52:24,470 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 19:52:24,471 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:52:24,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:52:24,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1020779269, now seen corresponding path program 1 times [2020-08-22 19:52:24,471 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:52:24,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556995786] [2020-08-22 19:52:24,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:52:24,474 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:52:24,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:24,787 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-08-22 19:52:24,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:52:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:24,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 19:52:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:24,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 19:52:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:24,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 19:52:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:24,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 19:52:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 19:52:25,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 19:52:25,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 19:52:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 19:52:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 19:52:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 19:52:25,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 19:52:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 19:52:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 19:52:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 19:52:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-08-22 19:52:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 19:52:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 19:52:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 19:52:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 19:52:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-08-22 19:52:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-08-22 19:52:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:25,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:52:25,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556995786] [2020-08-22 19:52:25,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:52:25,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:52:25,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361577134] [2020-08-22 19:52:25,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:52:25,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:52:25,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:52:25,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:52:25,204 INFO L87 Difference]: Start difference. First operand 860 states and 1086 transitions. Second operand 8 states. [2020-08-22 19:52:25,383 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-08-22 19:52:25,556 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-08-22 19:52:26,111 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 19:52:26,292 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-08-22 19:52:26,436 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-08-22 19:52:26,743 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-08-22 19:52:26,916 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-08-22 19:52:33,409 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-08-22 19:52:38,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:52:38,226 INFO L93 Difference]: Finished difference Result 2216 states and 2889 transitions. [2020-08-22 19:52:38,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 19:52:38,227 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-08-22 19:52:38,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:52:38,239 INFO L225 Difference]: With dead ends: 2216 [2020-08-22 19:52:38,239 INFO L226 Difference]: Without dead ends: 1471 [2020-08-22 19:52:38,244 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-08-22 19:52:38,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2020-08-22 19:52:38,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 859. [2020-08-22 19:52:38,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-08-22 19:52:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1084 transitions. [2020-08-22 19:52:38,700 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1084 transitions. Word has length 386 [2020-08-22 19:52:38,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:52:38,701 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 1084 transitions. [2020-08-22 19:52:38,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:52:38,701 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1084 transitions. [2020-08-22 19:52:38,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-08-22 19:52:38,706 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:52:38,706 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:52:38,706 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 19:52:38,707 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:52:38,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:52:38,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1242522971, now seen corresponding path program 1 times [2020-08-22 19:52:38,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:52:38,707 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246442447] [2020-08-22 19:52:38,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:52:38,710 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:52:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,072 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-08-22 19:52:39,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:52:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 19:52:39,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 19:52:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 19:52:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 19:52:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 19:52:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 19:52:39,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 19:52:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 19:52:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 19:52:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 19:52:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 19:52:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 19:52:39,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 19:52:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 19:52:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-08-22 19:52:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 19:52:39,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 19:52:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 19:52:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 19:52:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-08-22 19:52:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-08-22 19:52:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:39,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:52:39,465 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246442447] [2020-08-22 19:52:39,465 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:52:39,466 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:52:39,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453729393] [2020-08-22 19:52:39,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:52:39,467 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:52:39,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:52:39,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:52:39,468 INFO L87 Difference]: Start difference. First operand 859 states and 1084 transitions. Second operand 8 states. [2020-08-22 19:52:39,643 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-08-22 19:52:39,809 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-08-22 19:52:40,372 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 19:52:40,498 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-08-22 19:52:40,655 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-08-22 19:52:41,025 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-08-22 19:52:41,186 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-08-22 19:52:45,719 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-08-22 19:52:50,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:52:50,569 INFO L93 Difference]: Finished difference Result 2209 states and 2879 transitions. [2020-08-22 19:52:50,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 19:52:50,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-08-22 19:52:50,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:52:50,580 INFO L225 Difference]: With dead ends: 2209 [2020-08-22 19:52:50,580 INFO L226 Difference]: Without dead ends: 1470 [2020-08-22 19:52:50,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-08-22 19:52:50,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2020-08-22 19:52:50,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 858. [2020-08-22 19:52:50,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-08-22 19:52:50,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1082 transitions. [2020-08-22 19:52:50,985 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1082 transitions. Word has length 386 [2020-08-22 19:52:50,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:52:50,986 INFO L479 AbstractCegarLoop]: Abstraction has 858 states and 1082 transitions. [2020-08-22 19:52:50,986 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:52:50,986 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1082 transitions. [2020-08-22 19:52:50,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-08-22 19:52:50,990 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:52:50,991 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:52:50,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 19:52:50,991 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:52:50,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:52:50,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1134176837, now seen corresponding path program 1 times [2020-08-22 19:52:50,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:52:50,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1909190944] [2020-08-22 19:52:50,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:52:50,995 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:52:51,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,400 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-08-22 19:52:51,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:52:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 19:52:51,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 19:52:51,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 19:52:51,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 19:52:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 19:52:51,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 19:52:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 19:52:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 19:52:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 19:52:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 19:52:51,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 19:52:51,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 19:52:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 19:52:51,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 19:52:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-08-22 19:52:51,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 19:52:51,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 19:52:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 19:52:51,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 19:52:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-08-22 19:52:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-08-22 19:52:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:52:51,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:52:51,905 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1909190944] [2020-08-22 19:52:51,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:52:51,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:52:51,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297098867] [2020-08-22 19:52:51,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:52:51,908 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:52:51,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:52:51,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:52:51,908 INFO L87 Difference]: Start difference. First operand 858 states and 1082 transitions. Second operand 8 states. [2020-08-22 19:52:52,139 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-08-22 19:52:52,886 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 19:52:53,015 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-08-22 19:52:53,184 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-08-22 19:52:53,473 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-08-22 19:52:53,648 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-08-22 19:52:58,327 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-08-22 19:53:03,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:53:03,167 INFO L93 Difference]: Finished difference Result 2202 states and 2869 transitions. [2020-08-22 19:53:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 19:53:03,167 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-08-22 19:53:03,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:53:03,177 INFO L225 Difference]: With dead ends: 2202 [2020-08-22 19:53:03,178 INFO L226 Difference]: Without dead ends: 1469 [2020-08-22 19:53:03,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-08-22 19:53:03,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2020-08-22 19:53:03,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 857. [2020-08-22 19:53:03,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-08-22 19:53:03,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1080 transitions. [2020-08-22 19:53:03,547 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1080 transitions. Word has length 386 [2020-08-22 19:53:03,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:53:03,548 INFO L479 AbstractCegarLoop]: Abstraction has 857 states and 1080 transitions. [2020-08-22 19:53:03,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:53:03,548 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1080 transitions. [2020-08-22 19:53:03,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-08-22 19:53:03,552 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:53:03,552 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:53:03,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 19:53:03,553 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:53:03,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:53:03,553 INFO L82 PathProgramCache]: Analyzing trace with hash -289633819, now seen corresponding path program 1 times [2020-08-22 19:53:03,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:53:03,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520845003] [2020-08-22 19:53:03,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:53:03,557 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:53:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:03,883 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-08-22 19:53:03,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:53:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:03,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 19:53:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:03,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 19:53:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:03,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 19:53:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 19:53:04,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 19:53:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 19:53:04,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 19:53:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 19:53:04,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 19:53:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 19:53:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 19:53:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 19:53:04,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 19:53:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 19:53:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-08-22 19:53:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 19:53:04,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 19:53:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 19:53:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 19:53:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-08-22 19:53:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-08-22 19:53:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:04,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:53:04,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520845003] [2020-08-22 19:53:04,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:53:04,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 19:53:04,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115505924] [2020-08-22 19:53:04,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 19:53:04,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:53:04,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 19:53:04,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 19:53:04,306 INFO L87 Difference]: Start difference. First operand 857 states and 1080 transitions. Second operand 8 states. [2020-08-22 19:53:04,482 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-08-22 19:53:04,663 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-08-22 19:53:05,180 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-08-22 19:53:05,311 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-08-22 19:53:05,494 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-08-22 19:53:05,772 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-08-22 19:53:05,943 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-08-22 19:53:10,111 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-08-22 19:53:14,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:53:14,223 INFO L93 Difference]: Finished difference Result 2195 states and 2859 transitions. [2020-08-22 19:53:14,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 19:53:14,224 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-08-22 19:53:14,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:53:14,232 INFO L225 Difference]: With dead ends: 2195 [2020-08-22 19:53:14,233 INFO L226 Difference]: Without dead ends: 1468 [2020-08-22 19:53:14,236 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-08-22 19:53:14,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2020-08-22 19:53:14,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 856. [2020-08-22 19:53:14,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-08-22 19:53:14,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1078 transitions. [2020-08-22 19:53:14,704 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1078 transitions. Word has length 386 [2020-08-22 19:53:14,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:53:14,705 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1078 transitions. [2020-08-22 19:53:14,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 19:53:14,706 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1078 transitions. [2020-08-22 19:53:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-08-22 19:53:14,709 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:53:14,709 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:53:14,709 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 19:53:14,709 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:53:14,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:53:14,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1950333317, now seen corresponding path program 1 times [2020-08-22 19:53:14,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:53:14,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111019992] [2020-08-22 19:53:14,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:53:14,712 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:53:14,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,134 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-08-22 19:53:15,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 19:53:15,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-08-22 19:53:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-08-22 19:53:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-08-22 19:53:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-08-22 19:53:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-08-22 19:53:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-08-22 19:53:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-08-22 19:53:15,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 19:53:15,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-22 19:53:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-22 19:53:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-22 19:53:15,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-08-22 19:53:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 19:53:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-22 19:53:15,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-08-22 19:53:15,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-08-22 19:53:15,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-08-22 19:53:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 19:53:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-22 19:53:15,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-08-22 19:53:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-08-22 19:53:15,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 19:53:15,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 19:53:15,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111019992] [2020-08-22 19:53:15,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 19:53:15,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 19:53:15,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [286647256] [2020-08-22 19:53:15,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 19:53:15,610 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 19:53:15,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 19:53:15,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 19:53:15,610 INFO L87 Difference]: Start difference. First operand 856 states and 1078 transitions. Second operand 7 states. [2020-08-22 19:53:15,817 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-08-22 19:53:16,003 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-08-22 19:53:16,580 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-08-22 19:53:16,713 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-08-22 19:53:20,106 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-08-22 19:53:20,720 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-08-22 19:53:33,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 19:53:33,974 INFO L93 Difference]: Finished difference Result 3444 states and 4580 transitions. [2020-08-22 19:53:33,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 19:53:33,975 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 386 [2020-08-22 19:53:33,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 19:53:33,999 INFO L225 Difference]: With dead ends: 3444 [2020-08-22 19:53:34,000 INFO L226 Difference]: Without dead ends: 2726 [2020-08-22 19:53:34,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-08-22 19:53:34,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2020-08-22 19:53:35,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 1736. [2020-08-22 19:53:35,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1736 states. [2020-08-22 19:53:35,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2254 transitions. [2020-08-22 19:53:35,384 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2254 transitions. Word has length 386 [2020-08-22 19:53:35,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 19:53:35,386 INFO L479 AbstractCegarLoop]: Abstraction has 1736 states and 2254 transitions. [2020-08-22 19:53:35,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 19:53:35,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2254 transitions. [2020-08-22 19:53:35,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-08-22 19:53:35,391 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 19:53:35,392 INFO L422 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 19:53:35,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 19:53:35,392 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 19:53:35,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 19:53:35,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1582248036, now seen corresponding path program 1 times [2020-08-22 19:53:35,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 19:53:35,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1372402788] [2020-08-22 19:53:35,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 19:53:35,396 INFO L288 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-08-22 19:53:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 19:53:35,470 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 19:53:35,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-08-22 19:53:35,546 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-08-22 19:53:35,904 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-08-22 19:53:35,904 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-08-22 19:53:35,906 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 19:53:35,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 07:53:35 BoogieIcfgContainer [2020-08-22 19:53:35,972 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 19:53:35,974 INFO L168 Benchmark]: Toolchain (without parser) took 113778.43 ms. Allocated memory was 139.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 102.6 MB in the beginning and 1.3 GB in the end (delta: -1.2 GB). Peak memory consumption was 217.2 MB. Max. memory is 7.1 GB. [2020-08-22 19:53:35,976 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-08-22 19:53:35,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 748.57 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.6 MB in the beginning and 174.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2020-08-22 19:53:35,978 INFO L168 Benchmark]: Boogie Preprocessor took 106.81 ms. Allocated memory is still 205.0 MB. Free memory was 174.2 MB in the beginning and 168.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. [2020-08-22 19:53:35,979 INFO L168 Benchmark]: RCFGBuilder took 1975.87 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 168.7 MB in the beginning and 155.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-08-22 19:53:35,979 INFO L168 Benchmark]: TraceAbstraction took 110938.30 ms. Allocated memory was 238.6 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 155.9 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 171.4 MB. Max. memory is 7.1 GB. [2020-08-22 19:53:35,983 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 139.5 MB. Free memory was 122.0 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 748.57 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 102.6 MB in the beginning and 174.2 MB in the end (delta: -71.6 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.81 ms. Allocated memory is still 205.0 MB. Free memory was 174.2 MB in the beginning and 168.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1975.87 ms. Allocated memory was 205.0 MB in the beginning and 238.6 MB in the end (delta: 33.6 MB). Free memory was 168.7 MB in the beginning and 155.9 MB in the end (delta: 12.9 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 110938.30 ms. Allocated memory was 238.6 MB in the beginning and 1.6 GB in the end (delta: 1.3 GB). Free memory was 155.9 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 171.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int m_pc = 0; [L16] int t1_pc = 0; [L17] int t2_pc = 0; [L18] int t3_pc = 0; [L19] int t4_pc = 0; [L20] int t5_pc = 0; [L21] int t6_pc = 0; [L22] int t7_pc = 0; [L23] int t8_pc = 0; [L24] int t9_pc = 0; [L25] int t10_pc = 0; [L26] int t11_pc = 0; [L27] int t12_pc = 0; [L28] int t13_pc = 0; [L29] int m_st ; [L30] int t1_st ; [L31] int t2_st ; [L32] int t3_st ; [L33] int t4_st ; [L34] int t5_st ; [L35] int t6_st ; [L36] int t7_st ; [L37] int t8_st ; [L38] int t9_st ; [L39] int t10_st ; [L40] int t11_st ; [L41] int t12_st ; [L42] int t13_st ; [L43] int m_i ; [L44] int t1_i ; [L45] int t2_i ; [L46] int t3_i ; [L47] int t4_i ; [L48] int t5_i ; [L49] int t6_i ; [L50] int t7_i ; [L51] int t8_i ; [L52] int t9_i ; [L53] int t10_i ; [L54] int t11_i ; [L55] int t12_i ; [L56] int t13_i ; [L57] int M_E = 2; [L58] int T1_E = 2; [L59] int T2_E = 2; [L60] int T3_E = 2; [L61] int T4_E = 2; [L62] int T5_E = 2; [L63] int T6_E = 2; [L64] int T7_E = 2; [L65] int T8_E = 2; [L66] int T9_E = 2; [L67] int T10_E = 2; [L68] int T11_E = 2; [L69] int T12_E = 2; [L70] int T13_E = 2; [L71] int E_1 = 2; [L72] int E_2 = 2; [L73] int E_3 = 2; [L74] int E_4 = 2; [L75] int E_5 = 2; [L76] int E_6 = 2; [L77] int E_7 = 2; [L78] int E_8 = 2; [L79] int E_9 = 2; [L80] int E_10 = 2; [L81] int E_11 = 2; [L82] int E_12 = 2; [L83] int E_13 = 2; [L1927] int __retres1 ; [L1931] CALL init_model() [L1830] m_i = 1 [L1831] t1_i = 1 [L1832] t2_i = 1 [L1833] t3_i = 1 [L1834] t4_i = 1 [L1835] t5_i = 1 [L1836] t6_i = 1 [L1837] t7_i = 1 [L1838] t8_i = 1 [L1839] t9_i = 1 [L1840] t10_i = 1 [L1841] t11_i = 1 [L1842] t12_i = 1 [L1843] t13_i = 1 [L1931] RET init_model() [L1932] CALL start_simulation() [L1868] int kernel_st ; [L1869] int tmp ; [L1870] int tmp___0 ; [L1874] kernel_st = 0 [L1875] FCALL update_channels() [L1876] CALL init_threads() [L871] COND TRUE m_i == 1 [L872] m_st = 0 [L876] COND TRUE t1_i == 1 [L877] t1_st = 0 [L881] COND TRUE t2_i == 1 [L882] t2_st = 0 [L886] COND TRUE t3_i == 1 [L887] t3_st = 0 [L891] COND TRUE t4_i == 1 [L892] t4_st = 0 [L896] COND TRUE t5_i == 1 [L897] t5_st = 0 [L901] COND TRUE t6_i == 1 [L902] t6_st = 0 [L906] COND TRUE t7_i == 1 [L907] t7_st = 0 [L911] COND TRUE t8_i == 1 [L912] t8_st = 0 [L916] COND TRUE t9_i == 1 [L917] t9_st = 0 [L921] COND TRUE t10_i == 1 [L922] t10_st = 0 [L926] COND TRUE t11_i == 1 [L927] t11_st = 0 [L931] COND TRUE t12_i == 1 [L932] t12_st = 0 [L936] COND TRUE t13_i == 1 [L937] t13_st = 0 [L1876] RET init_threads() [L1877] CALL fire_delta_events() [L1248] COND FALSE !(M_E == 0) [L1253] COND FALSE !(T1_E == 0) [L1258] COND FALSE !(T2_E == 0) [L1263] COND FALSE !(T3_E == 0) [L1268] COND FALSE !(T4_E == 0) [L1273] COND FALSE !(T5_E == 0) [L1278] COND FALSE !(T6_E == 0) [L1283] COND FALSE !(T7_E == 0) [L1288] COND FALSE !(T8_E == 0) [L1293] COND FALSE !(T9_E == 0) [L1298] COND FALSE !(T10_E == 0) [L1303] COND FALSE !(T11_E == 0) [L1308] COND FALSE !(T12_E == 0) [L1313] COND FALSE !(T13_E == 0) [L1318] COND FALSE !(E_1 == 0) [L1323] COND FALSE !(E_2 == 0) [L1328] COND FALSE !(E_3 == 0) [L1333] COND FALSE !(E_4 == 0) [L1338] COND FALSE !(E_5 == 0) [L1343] COND FALSE !(E_6 == 0) [L1348] COND FALSE !(E_7 == 0) [L1353] COND FALSE !(E_8 == 0) [L1358] COND FALSE !(E_9 == 0) [L1363] COND FALSE !(E_10 == 0) [L1368] COND FALSE !(E_11 == 0) [L1373] COND FALSE !(E_12 == 0) [L1378] COND FALSE !(E_13 == 0) [L1877] RET fire_delta_events() [L1878] CALL activate_threads() [L1531] int tmp ; [L1532] int tmp___0 ; [L1533] int tmp___1 ; [L1534] int tmp___2 ; [L1535] int tmp___3 ; [L1536] int tmp___4 ; [L1537] int tmp___5 ; [L1538] int tmp___6 ; [L1539] int tmp___7 ; [L1540] int tmp___8 ; [L1541] int tmp___9 ; [L1542] int tmp___10 ; [L1543] int tmp___11 ; [L1544] int tmp___12 ; [L1548] CALL, EXPR is_master_triggered() [L594] int __retres1 ; [L597] COND FALSE !(m_pc == 1) [L607] __retres1 = 0 [L609] return (__retres1); [L1548] RET, EXPR is_master_triggered() [L1548] tmp = is_master_triggered() [L1550] COND FALSE !(\read(tmp)) [L1556] CALL, EXPR is_transmit1_triggered() [L613] int __retres1 ; [L616] COND FALSE !(t1_pc == 1) [L626] __retres1 = 0 [L628] return (__retres1); [L1556] RET, EXPR is_transmit1_triggered() [L1556] tmp___0 = is_transmit1_triggered() [L1558] COND FALSE !(\read(tmp___0)) [L1564] CALL, EXPR is_transmit2_triggered() [L632] int __retres1 ; [L635] COND FALSE !(t2_pc == 1) [L645] __retres1 = 0 [L647] return (__retres1); [L1564] RET, EXPR is_transmit2_triggered() [L1564] tmp___1 = is_transmit2_triggered() [L1566] COND FALSE !(\read(tmp___1)) [L1572] CALL, EXPR is_transmit3_triggered() [L651] int __retres1 ; [L654] COND FALSE !(t3_pc == 1) [L664] __retres1 = 0 [L666] return (__retres1); [L1572] RET, EXPR is_transmit3_triggered() [L1572] tmp___2 = is_transmit3_triggered() [L1574] COND FALSE !(\read(tmp___2)) [L1580] CALL, EXPR is_transmit4_triggered() [L670] int __retres1 ; [L673] COND FALSE !(t4_pc == 1) [L683] __retres1 = 0 [L685] return (__retres1); [L1580] RET, EXPR is_transmit4_triggered() [L1580] tmp___3 = is_transmit4_triggered() [L1582] COND FALSE !(\read(tmp___3)) [L1588] CALL, EXPR is_transmit5_triggered() [L689] int __retres1 ; [L692] COND FALSE !(t5_pc == 1) [L702] __retres1 = 0 [L704] return (__retres1); [L1588] RET, EXPR is_transmit5_triggered() [L1588] tmp___4 = is_transmit5_triggered() [L1590] COND FALSE !(\read(tmp___4)) [L1596] CALL, EXPR is_transmit6_triggered() [L708] int __retres1 ; [L711] COND FALSE !(t6_pc == 1) [L721] __retres1 = 0 [L723] return (__retres1); [L1596] RET, EXPR is_transmit6_triggered() [L1596] tmp___5 = is_transmit6_triggered() [L1598] COND FALSE !(\read(tmp___5)) [L1604] CALL, EXPR is_transmit7_triggered() [L727] int __retres1 ; [L730] COND FALSE !(t7_pc == 1) [L740] __retres1 = 0 [L742] return (__retres1); [L1604] RET, EXPR is_transmit7_triggered() [L1604] tmp___6 = is_transmit7_triggered() [L1606] COND FALSE !(\read(tmp___6)) [L1612] CALL, EXPR is_transmit8_triggered() [L746] int __retres1 ; [L749] COND FALSE !(t8_pc == 1) [L759] __retres1 = 0 [L761] return (__retres1); [L1612] RET, EXPR is_transmit8_triggered() [L1612] tmp___7 = is_transmit8_triggered() [L1614] COND FALSE !(\read(tmp___7)) [L1620] CALL, EXPR is_transmit9_triggered() [L765] int __retres1 ; [L768] COND FALSE !(t9_pc == 1) [L778] __retres1 = 0 [L780] return (__retres1); [L1620] RET, EXPR is_transmit9_triggered() [L1620] tmp___8 = is_transmit9_triggered() [L1622] COND FALSE !(\read(tmp___8)) [L1628] CALL, EXPR is_transmit10_triggered() [L784] int __retres1 ; [L787] COND FALSE !(t10_pc == 1) [L797] __retres1 = 0 [L799] return (__retres1); [L1628] RET, EXPR is_transmit10_triggered() [L1628] tmp___9 = is_transmit10_triggered() [L1630] COND FALSE !(\read(tmp___9)) [L1636] CALL, EXPR is_transmit11_triggered() [L803] int __retres1 ; [L806] COND FALSE !(t11_pc == 1) [L816] __retres1 = 0 [L818] return (__retres1); [L1636] RET, EXPR is_transmit11_triggered() [L1636] tmp___10 = is_transmit11_triggered() [L1638] COND FALSE !(\read(tmp___10)) [L1644] CALL, EXPR is_transmit12_triggered() [L822] int __retres1 ; [L825] COND FALSE !(t12_pc == 1) [L835] __retres1 = 0 [L837] return (__retres1); [L1644] RET, EXPR is_transmit12_triggered() [L1644] tmp___11 = is_transmit12_triggered() [L1646] COND FALSE !(\read(tmp___11)) [L1652] CALL, EXPR is_transmit13_triggered() [L841] int __retres1 ; [L844] COND FALSE !(t13_pc == 1) [L854] __retres1 = 0 [L856] return (__retres1); [L1652] RET, EXPR is_transmit13_triggered() [L1652] tmp___12 = is_transmit13_triggered() [L1654] COND FALSE !(\read(tmp___12)) [L1878] RET activate_threads() [L1879] CALL reset_delta_events() [L1391] COND FALSE !(M_E == 1) [L1396] COND FALSE !(T1_E == 1) [L1401] COND FALSE !(T2_E == 1) [L1406] COND FALSE !(T3_E == 1) [L1411] COND FALSE !(T4_E == 1) [L1416] COND FALSE !(T5_E == 1) [L1421] COND FALSE !(T6_E == 1) [L1426] COND FALSE !(T7_E == 1) [L1431] COND FALSE !(T8_E == 1) [L1436] COND FALSE !(T9_E == 1) [L1441] COND FALSE !(T10_E == 1) [L1446] COND FALSE !(T11_E == 1) [L1451] COND FALSE !(T12_E == 1) [L1456] COND FALSE !(T13_E == 1) [L1461] COND FALSE !(E_1 == 1) [L1466] COND FALSE !(E_2 == 1) [L1471] COND FALSE !(E_3 == 1) [L1476] COND FALSE !(E_4 == 1) [L1481] COND FALSE !(E_5 == 1) [L1486] COND FALSE !(E_6 == 1) [L1491] COND FALSE !(E_7 == 1) [L1496] COND FALSE !(E_8 == 1) [L1501] COND FALSE !(E_9 == 1) [L1506] COND FALSE !(E_10 == 1) [L1511] COND FALSE !(E_11 == 1) [L1516] COND FALSE !(E_12 == 1) [L1521] COND FALSE !(E_13 == 1) [L1879] RET reset_delta_events() [L1882] COND TRUE 1 [L1885] kernel_st = 1 [L1886] CALL eval() [L1027] int tmp ; [L1031] COND TRUE 1 [L1034] CALL, EXPR exists_runnable_thread() [L946] int __retres1 ; [L949] COND TRUE m_st == 0 [L950] __retres1 = 1 [L1022] return (__retres1); [L1034] RET, EXPR exists_runnable_thread() [L1034] tmp = exists_runnable_thread() [L1036] COND TRUE \read(tmp) [L1041] COND TRUE m_st == 0 [L1042] int tmp_ndt_1; [L1043] tmp_ndt_1 = __VERIFIER_nondet_int() [L1044] COND FALSE !(\read(tmp_ndt_1)) [L1055] COND TRUE t1_st == 0 [L1056] int tmp_ndt_2; [L1057] tmp_ndt_2 = __VERIFIER_nondet_int() [L1058] COND FALSE !(\read(tmp_ndt_2)) [L1064] CALL error() [L11] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 873 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 110.7s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 97.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5826 SDtfs, 35030 SDslu, 1417 SDs, 0 SdLazy, 26956 SolverSat, 5036 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 64.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 511 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 15.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1736occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 5274 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...