/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 0.1.25-86f66a4 [2020-07-07 14:07:18,072 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 14:07:18,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 14:07:18,095 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 14:07:18,096 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 14:07:18,098 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 14:07:18,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 14:07:18,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 14:07:18,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 14:07:18,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 14:07:18,120 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 14:07:18,123 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 14:07:18,123 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 14:07:18,125 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 14:07:18,128 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 14:07:18,129 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 14:07:18,131 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 14:07:18,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 14:07:18,133 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 14:07:18,139 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 14:07:18,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 14:07:18,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 14:07:18,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 14:07:18,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 14:07:18,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 14:07:18,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 14:07:18,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 14:07:18,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 14:07:18,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 14:07:18,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 14:07:18,160 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 14:07:18,161 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 14:07:18,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 14:07:18,164 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 14:07:18,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 14:07:18,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 14:07:18,166 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 14:07:18,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 14:07:18,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 14:07:18,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 14:07:18,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 14:07:18,170 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 14:07:18,198 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 14:07:18,200 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 14:07:18,202 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 14:07:18,205 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 14:07:18,206 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 14:07:18,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 14:07:18,206 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 14:07:18,206 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 14:07:18,206 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 14:07:18,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 14:07:18,207 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 14:07:18,207 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 14:07:18,207 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 14:07:18,207 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 14:07:18,208 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 14:07:18,208 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 14:07:18,208 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 14:07:18,208 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 14:07:18,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 14:07:18,209 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 14:07:18,209 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 14:07:18,209 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 14:07:18,209 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 14:07:18,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 14:07:18,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 14:07:18,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 14:07:18,526 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 14:07:18,526 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 14:07:18,527 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-07-07 14:07:18,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1231cabe6/958dcf1ea61a4bd795ce1bfe60c36904/FLAGf92b12ac1 [2020-07-07 14:07:19,095 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 14:07:19,096 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-07-07 14:07:19,113 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1231cabe6/958dcf1ea61a4bd795ce1bfe60c36904/FLAGf92b12ac1 [2020-07-07 14:07:19,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1231cabe6/958dcf1ea61a4bd795ce1bfe60c36904 [2020-07-07 14:07:19,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 14:07:19,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 14:07:19,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 14:07:19,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 14:07:19,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 14:07:19,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:07:19" (1/1) ... [2020-07-07 14:07:19,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@408bd175 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:19, skipping insertion in model container [2020-07-07 14:07:19,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:07:19" (1/1) ... [2020-07-07 14:07:19,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 14:07:19,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 14:07:19,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:07:19,886 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 14:07:20,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:07:20,117 INFO L208 MainTranslator]: Completed translation [2020-07-07 14:07:20,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20 WrapperNode [2020-07-07 14:07:20,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 14:07:20,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 14:07:20,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 14:07:20,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 14:07:20,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20" (1/1) ... [2020-07-07 14:07:20,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20" (1/1) ... [2020-07-07 14:07:20,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20" (1/1) ... [2020-07-07 14:07:20,148 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20" (1/1) ... [2020-07-07 14:07:20,171 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20" (1/1) ... [2020-07-07 14:07:20,200 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20" (1/1) ... [2020-07-07 14:07:20,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20" (1/1) ... [2020-07-07 14:07:20,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 14:07:20,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 14:07:20,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 14:07:20,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 14:07:20,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20" (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 [2020-07-07 14:07:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 14:07:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 14:07:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-07 14:07:20,292 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-07-07 14:07:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-07-07 14:07:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-07-07 14:07:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-07-07 14:07:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-07-07 14:07:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-07-07 14:07:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-07-07 14:07:20,293 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-07-07 14:07:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-07-07 14:07:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-07-07 14:07:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-07-07 14:07:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-07-07 14:07:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-07-07 14:07:20,294 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-07-07 14:07:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-07-07 14:07:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-07-07 14:07:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-07-07 14:07:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-07-07 14:07:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-07-07 14:07:20,295 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-07-07 14:07:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-07-07 14:07:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-07-07 14:07:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-07-07 14:07:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-07-07 14:07:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-07-07 14:07:20,296 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-07-07 14:07:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-07-07 14:07:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-07-07 14:07:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-07 14:07:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-07 14:07:20,297 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-07 14:07:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-07 14:07:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-07 14:07:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-07 14:07:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-07 14:07:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-07-07 14:07:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-07 14:07:20,298 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-07 14:07:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-07 14:07:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-07 14:07:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-07 14:07:20,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 14:07:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 14:07:20,299 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 14:07:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-07 14:07:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-07-07 14:07:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-07-07 14:07:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-07-07 14:07:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-07-07 14:07:20,300 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-07-07 14:07:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-07-07 14:07:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-07-07 14:07:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-07-07 14:07:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-07-07 14:07:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-07-07 14:07:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-07-07 14:07:20,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-07-07 14:07:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-07-07 14:07:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-07-07 14:07:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-07-07 14:07:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-07-07 14:07:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-07-07 14:07:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-07-07 14:07:20,302 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-07-07 14:07:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-07-07 14:07:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-07-07 14:07:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-07-07 14:07:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-07-07 14:07:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-07-07 14:07:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-07-07 14:07:20,303 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-07-07 14:07:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-07-07 14:07:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-07-07 14:07:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-07-07 14:07:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-07 14:07:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-07 14:07:20,304 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-07 14:07:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-07 14:07:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-07 14:07:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-07 14:07:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-07 14:07:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-07 14:07:20,305 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-07 14:07:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-07 14:07:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-07 14:07:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-07 14:07:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 14:07:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 14:07:20,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 14:07:21,814 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 14:07:21,815 INFO L295 CfgBuilder]: Removed 17 assume(true) statements. [2020-07-07 14:07:21,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:07:21 BoogieIcfgContainer [2020-07-07 14:07:21,826 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 14:07:21,827 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 14:07:21,827 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 14:07:21,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 14:07:21,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 02:07:19" (1/3) ... [2020-07-07 14:07:21,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ac9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:07:21, skipping insertion in model container [2020-07-07 14:07:21,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:07:20" (2/3) ... [2020-07-07 14:07:21,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@516ac9ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:07:21, skipping insertion in model container [2020-07-07 14:07:21,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:07:21" (3/3) ... [2020-07-07 14:07:21,834 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.15.cil.c [2020-07-07 14:07:21,844 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 14:07:21,853 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 14:07:21,866 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 14:07:21,889 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 14:07:21,889 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 14:07:21,890 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 14:07:21,890 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 14:07:21,890 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 14:07:21,890 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 14:07:21,891 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 14:07:21,891 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 14:07:21,920 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states. [2020-07-07 14:07:21,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-07-07 14:07:21,959 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:07:21,961 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] [2020-07-07 14:07:21,961 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:07:21,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:07:21,968 INFO L82 PathProgramCache]: Analyzing trace with hash 2145549349, now seen corresponding path program 1 times [2020-07-07 14:07:21,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:07:21,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150451405] [2020-07-07 14:07:21,978 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:07:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:22,880 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-07-07 14:07:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:07:23,538 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:07:23,540 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150451405] [2020-07-07 14:07:23,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:07:23,542 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:07:23,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303162965] [2020-07-07 14:07:23,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:07:23,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:07:23,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:07:23,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:07:23,567 INFO L87 Difference]: Start difference. First operand 873 states. Second operand 8 states. [2020-07-07 14:07:23,767 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-07-07 14:07:23,994 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-07-07 14:07:24,654 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 14:07:24,793 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-07 14:07:25,207 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-07-07 14:07:25,417 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-07 14:07:30,171 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-07-07 14:07:34,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:07:34,809 INFO L93 Difference]: Finished difference Result 2261 states and 3105 transitions. [2020-07-07 14:07:34,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:07:34,813 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-07-07 14:07:34,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:07:34,865 INFO L225 Difference]: With dead ends: 2261 [2020-07-07 14:07:34,866 INFO L226 Difference]: Without dead ends: 1474 [2020-07-07 14:07:34,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:07:34,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2020-07-07 14:07:35,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 862. [2020-07-07 14:07:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-07-07 14:07:35,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1090 transitions. [2020-07-07 14:07:35,445 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1090 transitions. Word has length 386 [2020-07-07 14:07:35,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:07:35,448 INFO L479 AbstractCegarLoop]: Abstraction has 862 states and 1090 transitions. [2020-07-07 14:07:35,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:07:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1090 transitions. [2020-07-07 14:07:35,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-07-07 14:07:35,481 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:07:35,481 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] [2020-07-07 14:07:35,482 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 14:07:35,482 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:07:35,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:07:35,483 INFO L82 PathProgramCache]: Analyzing trace with hash -390542395, now seen corresponding path program 1 times [2020-07-07 14:07:35,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:07:35,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393204647] [2020-07-07 14:07:35,484 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:07:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:35,880 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-07-07 14:07:35,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:36,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:07:36,432 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:07:36,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393204647] [2020-07-07 14:07:36,433 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:07:36,433 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:07:36,433 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075915191] [2020-07-07 14:07:36,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:07:36,436 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:07:36,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:07:36,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:07:36,437 INFO L87 Difference]: Start difference. First operand 862 states and 1090 transitions. Second operand 8 states. [2020-07-07 14:07:36,655 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-07-07 14:07:36,898 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-07-07 14:07:37,587 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 14:07:37,775 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-07-07 14:07:37,952 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-07 14:07:38,271 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-07-07 14:07:38,439 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-07 14:07:42,698 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-07-07 14:07:46,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:07:46,705 INFO L93 Difference]: Finished difference Result 2230 states and 2909 transitions. [2020-07-07 14:07:46,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:07:46,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-07-07 14:07:46,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:07:46,716 INFO L225 Difference]: With dead ends: 2230 [2020-07-07 14:07:46,716 INFO L226 Difference]: Without dead ends: 1473 [2020-07-07 14:07:46,721 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 [2020-07-07 14:07:46,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2020-07-07 14:07:47,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 861. [2020-07-07 14:07:47,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-07-07 14:07:47,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1088 transitions. [2020-07-07 14:07:47,041 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1088 transitions. Word has length 386 [2020-07-07 14:07:47,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:07:47,042 INFO L479 AbstractCegarLoop]: Abstraction has 861 states and 1088 transitions. [2020-07-07 14:07:47,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:07:47,042 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1088 transitions. [2020-07-07 14:07:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-07-07 14:07:47,050 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:07:47,050 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] [2020-07-07 14:07:47,050 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 14:07:47,051 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:07:47,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:07:47,051 INFO L82 PathProgramCache]: Analyzing trace with hash -2090341531, now seen corresponding path program 1 times [2020-07-07 14:07:47,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:07:47,052 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1479658746] [2020-07-07 14:07:47,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:07:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,392 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-07-07 14:07:47,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:47,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:07:47,902 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:07:47,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1479658746] [2020-07-07 14:07:47,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:07:47,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:07:47,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135821225] [2020-07-07 14:07:47,904 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:07:47,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:07:47,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:07:47,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:07:47,906 INFO L87 Difference]: Start difference. First operand 861 states and 1088 transitions. Second operand 8 states. [2020-07-07 14:07:48,075 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-07-07 14:07:48,795 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 14:07:48,919 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-07-07 14:07:49,047 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-07 14:07:49,350 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-07-07 14:07:49,519 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-07 14:07:53,608 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-07-07 14:07:57,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:07:57,912 INFO L93 Difference]: Finished difference Result 2223 states and 2899 transitions. [2020-07-07 14:07:57,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:07:57,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-07-07 14:07:57,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:07:57,925 INFO L225 Difference]: With dead ends: 2223 [2020-07-07 14:07:57,925 INFO L226 Difference]: Without dead ends: 1472 [2020-07-07 14:07:57,929 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 [2020-07-07 14:07:57,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2020-07-07 14:07:58,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 860. [2020-07-07 14:07:58,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-07-07 14:07:58,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1086 transitions. [2020-07-07 14:07:58,203 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1086 transitions. Word has length 386 [2020-07-07 14:07:58,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:07:58,204 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 1086 transitions. [2020-07-07 14:07:58,204 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:07:58,204 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1086 transitions. [2020-07-07 14:07:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-07-07 14:07:58,208 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:07:58,208 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] [2020-07-07 14:07:58,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 14:07:58,208 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:07:58,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:07:58,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1020779269, now seen corresponding path program 1 times [2020-07-07 14:07:58,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:07:58,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1316023995] [2020-07-07 14:07:58,210 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:07:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,498 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-07-07 14:07:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:07:58,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:07:58,871 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:07:58,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1316023995] [2020-07-07 14:07:58,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:07:58,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:07:58,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330116022] [2020-07-07 14:07:58,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:07:58,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:07:58,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:07:58,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:07:58,874 INFO L87 Difference]: Start difference. First operand 860 states and 1086 transitions. Second operand 8 states. [2020-07-07 14:07:59,097 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-07-07 14:07:59,783 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 14:07:59,905 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-07-07 14:08:00,055 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-07 14:08:00,349 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-07-07 14:08:00,506 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-07 14:08:06,310 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-07-07 14:08:10,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:08:10,584 INFO L93 Difference]: Finished difference Result 2216 states and 2889 transitions. [2020-07-07 14:08:10,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:08:10,585 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-07-07 14:08:10,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:08:10,596 INFO L225 Difference]: With dead ends: 2216 [2020-07-07 14:08:10,596 INFO L226 Difference]: Without dead ends: 1471 [2020-07-07 14:08:10,600 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:08:10,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2020-07-07 14:08:10,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 859. [2020-07-07 14:08:10,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-07-07 14:08:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1084 transitions. [2020-07-07 14:08:10,961 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1084 transitions. Word has length 386 [2020-07-07 14:08:10,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:08:10,962 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 1084 transitions. [2020-07-07 14:08:10,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:08:10,962 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1084 transitions. [2020-07-07 14:08:10,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-07-07 14:08:10,966 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:08:10,968 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] [2020-07-07 14:08:10,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 14:08:10,968 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:08:10,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:08:10,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1242522971, now seen corresponding path program 1 times [2020-07-07 14:08:10,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:08:10,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138693139] [2020-07-07 14:08:10,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:08:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,322 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-07-07 14:08:11,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:11,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:08:11,677 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:08:11,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138693139] [2020-07-07 14:08:11,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:08:11,678 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:08:11,678 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514108158] [2020-07-07 14:08:11,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:08:11,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:08:11,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:08:11,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:08:11,679 INFO L87 Difference]: Start difference. First operand 859 states and 1084 transitions. Second operand 8 states. [2020-07-07 14:08:11,846 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-07-07 14:08:12,013 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-07-07 14:08:12,533 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 14:08:12,656 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-07-07 14:08:12,805 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-07 14:08:13,095 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-07-07 14:08:13,324 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-07 14:08:17,408 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-07-07 14:08:21,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:08:21,712 INFO L93 Difference]: Finished difference Result 2209 states and 2879 transitions. [2020-07-07 14:08:21,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:08:21,712 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-07-07 14:08:21,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:08:21,721 INFO L225 Difference]: With dead ends: 2209 [2020-07-07 14:08:21,721 INFO L226 Difference]: Without dead ends: 1470 [2020-07-07 14:08:21,724 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 [2020-07-07 14:08:21,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2020-07-07 14:08:22,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 858. [2020-07-07 14:08:22,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-07-07 14:08:22,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1082 transitions. [2020-07-07 14:08:22,063 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1082 transitions. Word has length 386 [2020-07-07 14:08:22,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:08:22,064 INFO L479 AbstractCegarLoop]: Abstraction has 858 states and 1082 transitions. [2020-07-07 14:08:22,064 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:08:22,064 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1082 transitions. [2020-07-07 14:08:22,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-07-07 14:08:22,067 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:08:22,068 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] [2020-07-07 14:08:22,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 14:08:22,068 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:08:22,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:08:22,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1134176837, now seen corresponding path program 1 times [2020-07-07 14:08:22,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:08:22,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1122652030] [2020-07-07 14:08:22,069 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:08:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,393 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-07-07 14:08:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:08:22,792 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:08:22,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1122652030] [2020-07-07 14:08:22,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:08:22,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:08:22,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573352732] [2020-07-07 14:08:22,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:08:22,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:08:22,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:08:22,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:08:22,795 INFO L87 Difference]: Start difference. First operand 858 states and 1082 transitions. Second operand 8 states. [2020-07-07 14:08:22,967 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-07-07 14:08:23,638 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 14:08:23,930 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-07 14:08:24,245 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-07-07 14:08:24,412 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-07 14:08:28,471 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-07-07 14:08:32,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:08:32,731 INFO L93 Difference]: Finished difference Result 2202 states and 2869 transitions. [2020-07-07 14:08:32,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:08:32,732 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-07-07 14:08:32,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:08:32,744 INFO L225 Difference]: With dead ends: 2202 [2020-07-07 14:08:32,744 INFO L226 Difference]: Without dead ends: 1469 [2020-07-07 14:08:32,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:08:32,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2020-07-07 14:08:33,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 857. [2020-07-07 14:08:33,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-07-07 14:08:33,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1080 transitions. [2020-07-07 14:08:33,169 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1080 transitions. Word has length 386 [2020-07-07 14:08:33,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:08:33,169 INFO L479 AbstractCegarLoop]: Abstraction has 857 states and 1080 transitions. [2020-07-07 14:08:33,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:08:33,169 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1080 transitions. [2020-07-07 14:08:33,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-07-07 14:08:33,171 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:08:33,172 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] [2020-07-07 14:08:33,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 14:08:33,172 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:08:33,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:08:33,172 INFO L82 PathProgramCache]: Analyzing trace with hash -289633819, now seen corresponding path program 1 times [2020-07-07 14:08:33,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:08:33,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1897468000] [2020-07-07 14:08:33,173 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:08:33,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,472 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-07-07 14:08:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:33,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:08:33,799 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:08:33,799 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1897468000] [2020-07-07 14:08:33,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:08:33,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:08:33,800 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755203276] [2020-07-07 14:08:33,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:08:33,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:08:33,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:08:33,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:08:33,801 INFO L87 Difference]: Start difference. First operand 857 states and 1080 transitions. Second operand 8 states. [2020-07-07 14:08:33,969 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-07-07 14:08:34,547 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 14:08:34,670 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-07-07 14:08:34,838 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-07-07 14:08:35,106 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-07-07 14:08:35,264 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-07 14:08:38,872 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-07-07 14:08:42,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:08:42,393 INFO L93 Difference]: Finished difference Result 2195 states and 2859 transitions. [2020-07-07 14:08:42,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:08:42,394 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-07-07 14:08:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:08:42,401 INFO L225 Difference]: With dead ends: 2195 [2020-07-07 14:08:42,401 INFO L226 Difference]: Without dead ends: 1468 [2020-07-07 14:08:42,403 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:08:42,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2020-07-07 14:08:42,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 856. [2020-07-07 14:08:42,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-07-07 14:08:42,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1078 transitions. [2020-07-07 14:08:42,779 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1078 transitions. Word has length 386 [2020-07-07 14:08:42,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:08:42,779 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1078 transitions. [2020-07-07 14:08:42,779 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:08:42,780 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1078 transitions. [2020-07-07 14:08:42,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-07-07 14:08:42,783 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:08:42,783 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] [2020-07-07 14:08:42,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 14:08:42,784 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:08:42,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:08:42,784 INFO L82 PathProgramCache]: Analyzing trace with hash 1950333317, now seen corresponding path program 1 times [2020-07-07 14:08:42,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:08:42,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657956782] [2020-07-07 14:08:42,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:08:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,130 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-07-07 14:08:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:43,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:08:43,548 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:08:43,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657956782] [2020-07-07 14:08:43,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:08:43,549 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 14:08:43,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486312413] [2020-07-07 14:08:43,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 14:08:43,550 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:08:43,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 14:08:43,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 14:08:43,551 INFO L87 Difference]: Start difference. First operand 856 states and 1078 transitions. Second operand 7 states. [2020-07-07 14:08:43,697 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-07-07 14:08:44,424 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-07-07 14:08:44,549 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-07-07 14:08:47,967 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-07-07 14:08:59,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:08:59,282 INFO L93 Difference]: Finished difference Result 3444 states and 4580 transitions. [2020-07-07 14:08:59,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 14:08:59,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 386 [2020-07-07 14:08:59,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:08:59,302 INFO L225 Difference]: With dead ends: 3444 [2020-07-07 14:08:59,302 INFO L226 Difference]: Without dead ends: 2726 [2020-07-07 14:08:59,306 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-07-07 14:08:59,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2020-07-07 14:09:00,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 1736. [2020-07-07 14:09:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1736 states. [2020-07-07 14:09:00,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2254 transitions. [2020-07-07 14:09:00,387 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2254 transitions. Word has length 386 [2020-07-07 14:09:00,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:09:00,388 INFO L479 AbstractCegarLoop]: Abstraction has 1736 states and 2254 transitions. [2020-07-07 14:09:00,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 14:09:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2254 transitions. [2020-07-07 14:09:00,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-07-07 14:09:00,391 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:09:00,391 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] [2020-07-07 14:09:00,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 14:09:00,392 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:09:00,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:09:00,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1582248036, now seen corresponding path program 1 times [2020-07-07 14:09:00,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:09:00,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275164264] [2020-07-07 14:09:00,393 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:09:00,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 14:09:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 14:09:00,920 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:09:00,920 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 14:09:00,921 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 14:09:00,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 14:09:00,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 02:09:00 BoogieIcfgContainer [2020-07-07 14:09:00,966 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 14:09:00,970 INFO L168 Benchmark]: Toolchain (without parser) took 101544.75 ms. Allocated memory was 136.3 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 100.9 MB in the beginning and 782.3 MB in the end (delta: -681.3 MB). Peak memory consumption was 779.3 MB. Max. memory is 7.1 GB. [2020-07-07 14:09:00,971 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-07 14:09:00,972 INFO L168 Benchmark]: CACSL2BoogieTranslator took 689.02 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 170.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2020-07-07 14:09:00,975 INFO L168 Benchmark]: Boogie Preprocessor took 95.32 ms. Allocated memory is still 201.3 MB. Free memory was 170.6 MB in the beginning and 166.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2020-07-07 14:09:00,976 INFO L168 Benchmark]: RCFGBuilder took 1612.14 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 166.1 MB in the beginning and 152.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. [2020-07-07 14:09:00,977 INFO L168 Benchmark]: TraceAbstraction took 99139.44 ms. Allocated memory was 230.7 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 152.2 MB in the beginning and 782.3 MB in the end (delta: -630.0 MB). Peak memory consumption was 736.3 MB. Max. memory is 7.1 GB. [2020-07-07 14:09:00,988 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.3 MB. Free memory was 119.8 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 689.02 ms. Allocated memory was 136.3 MB in the beginning and 201.3 MB in the end (delta: 65.0 MB). Free memory was 100.7 MB in the beginning and 170.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.32 ms. Allocated memory is still 201.3 MB. Free memory was 170.6 MB in the beginning and 166.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1612.14 ms. Allocated memory was 201.3 MB in the beginning and 230.7 MB in the end (delta: 29.4 MB). Free memory was 166.1 MB in the beginning and 152.2 MB in the end (delta: 13.9 MB). Peak memory consumption was 88.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 99139.44 ms. Allocated memory was 230.7 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 152.2 MB in the beginning and 782.3 MB in the end (delta: -630.0 MB). Peak memory consumption was 736.3 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: 99.0s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 87.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5826 SDtfs, 35030 SDslu, 1417 SDs, 0 SdLazy, 26955 SolverSat, 5039 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 58.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 511 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 15.1s 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: 3.7s 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...