/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 02:25:33,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 02:25:33,274 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 02:25:33,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 02:25:33,310 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 02:25:33,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 02:25:33,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 02:25:33,316 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 02:25:33,318 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 02:25:33,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 02:25:33,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 02:25:33,322 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 02:25:33,323 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 02:25:33,324 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 02:25:33,326 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 02:25:33,327 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 02:25:33,328 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 02:25:33,329 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 02:25:33,340 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 02:25:33,342 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 02:25:33,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 02:25:33,346 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 02:25:33,350 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 02:25:33,351 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 02:25:33,355 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 02:25:33,355 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 02:25:33,356 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 02:25:33,357 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 02:25:33,357 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 02:25:33,359 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 02:25:33,359 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 02:25:33,360 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 02:25:33,361 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 02:25:33,362 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 02:25:33,363 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 02:25:33,364 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 02:25:33,364 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 02:25:33,365 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 02:25:33,365 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 02:25:33,366 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 02:25:33,367 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 02:25:33,370 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 02:25:33,392 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 02:25:33,392 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 02:25:33,396 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 02:25:33,396 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 02:25:33,396 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 02:25:33,396 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 02:25:33,397 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 02:25:33,397 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 02:25:33,398 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 02:25:33,398 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 02:25:33,398 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 02:25:33,398 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 02:25:33,398 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 02:25:33,399 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 02:25:33,399 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 02:25:33,399 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 02:25:33,399 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 02:25:33,399 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 02:25:33,400 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 02:25:33,401 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 02:25:33,401 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 02:25:33,401 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 02:25:33,402 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 02:25:33,402 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 02:25:33,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 02:25:33,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 02:25:33,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 02:25:33,838 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 02:25:33,839 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 02:25:33,840 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.15.cil.c [2021-02-22 02:25:33,919 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab0daba00/213b213c8ce4492591430fbbed753921/FLAG710bc0be0 [2021-02-22 02:25:34,727 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 02:25:34,728 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.15.cil.c [2021-02-22 02:25:34,754 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab0daba00/213b213c8ce4492591430fbbed753921/FLAG710bc0be0 [2021-02-22 02:25:34,991 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab0daba00/213b213c8ce4492591430fbbed753921 [2021-02-22 02:25:34,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 02:25:35,014 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 02:25:35,020 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 02:25:35,020 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 02:25:35,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 02:25:35,026 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:25:34" (1/1) ... [2021-02-22 02:25:35,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fab47f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35, skipping insertion in model container [2021-02-22 02:25:35,029 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 02:25:34" (1/1) ... [2021-02-22 02:25:35,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 02:25:35,114 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 02:25:35,263 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.15.cil.c[401,414] [2021-02-22 02:25:35,453 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:25:35,468 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 02:25:35,482 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.15.cil.c[401,414] [2021-02-22 02:25:35,599 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 02:25:35,661 INFO L208 MainTranslator]: Completed translation [2021-02-22 02:25:35,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35 WrapperNode [2021-02-22 02:25:35,662 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 02:25:35,665 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 02:25:35,665 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 02:25:35,665 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 02:25:35,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35" (1/1) ... [2021-02-22 02:25:35,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35" (1/1) ... [2021-02-22 02:25:35,720 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35" (1/1) ... [2021-02-22 02:25:35,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35" (1/1) ... [2021-02-22 02:25:35,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35" (1/1) ... [2021-02-22 02:25:35,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35" (1/1) ... [2021-02-22 02:25:35,819 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35" (1/1) ... [2021-02-22 02:25:35,838 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 02:25:35,844 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 02:25:35,844 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 02:25:35,845 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 02:25:35,846 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35" (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 [2021-02-22 02:25:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 02:25:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 02:25:35,982 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 02:25:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-02-22 02:25:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2021-02-22 02:25:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2021-02-22 02:25:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2021-02-22 02:25:35,983 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2021-02-22 02:25:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2021-02-22 02:25:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2021-02-22 02:25:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2021-02-22 02:25:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2021-02-22 02:25:35,984 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2021-02-22 02:25:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2021-02-22 02:25:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2021-02-22 02:25:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2021-02-22 02:25:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2021-02-22 02:25:35,985 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2021-02-22 02:25:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2021-02-22 02:25:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2021-02-22 02:25:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2021-02-22 02:25:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2021-02-22 02:25:35,986 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2021-02-22 02:25:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2021-02-22 02:25:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2021-02-22 02:25:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2021-02-22 02:25:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2021-02-22 02:25:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2021-02-22 02:25:35,987 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2021-02-22 02:25:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2021-02-22 02:25:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2021-02-22 02:25:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2021-02-22 02:25:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-02-22 02:25:35,988 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2021-02-22 02:25:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-02-22 02:25:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2021-02-22 02:25:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-02-22 02:25:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-02-22 02:25:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-02-22 02:25:35,989 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-02-22 02:25:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2021-02-22 02:25:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2021-02-22 02:25:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2021-02-22 02:25:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2021-02-22 02:25:35,990 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2021-02-22 02:25:35,991 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 02:25:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 02:25:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 02:25:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 02:25:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 02:25:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 02:25:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-02-22 02:25:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2021-02-22 02:25:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2021-02-22 02:25:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2021-02-22 02:25:35,992 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2021-02-22 02:25:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2021-02-22 02:25:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2021-02-22 02:25:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2021-02-22 02:25:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2021-02-22 02:25:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2021-02-22 02:25:35,993 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2021-02-22 02:25:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2021-02-22 02:25:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2021-02-22 02:25:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2021-02-22 02:25:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2021-02-22 02:25:35,994 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-02-22 02:25:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure master [2021-02-22 02:25:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2021-02-22 02:25:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2021-02-22 02:25:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2021-02-22 02:25:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2021-02-22 02:25:35,995 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2021-02-22 02:25:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2021-02-22 02:25:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2021-02-22 02:25:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2021-02-22 02:25:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2021-02-22 02:25:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2021-02-22 02:25:35,996 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2021-02-22 02:25:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2021-02-22 02:25:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2021-02-22 02:25:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-02-22 02:25:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2021-02-22 02:25:35,997 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-02-22 02:25:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2021-02-22 02:25:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-02-22 02:25:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-02-22 02:25:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-02-22 02:25:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2021-02-22 02:25:35,998 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2021-02-22 02:25:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2021-02-22 02:25:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2021-02-22 02:25:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2021-02-22 02:25:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 02:25:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 02:25:35,999 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 02:25:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 02:25:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 02:25:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 02:25:36,000 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 02:25:37,616 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 02:25:37,617 INFO L299 CfgBuilder]: Removed 17 assume(true) statements. [2021-02-22 02:25:37,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:25:37 BoogieIcfgContainer [2021-02-22 02:25:37,622 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 02:25:37,624 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 02:25:37,624 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 02:25:37,629 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 02:25:37,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 02:25:34" (1/3) ... [2021-02-22 02:25:37,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6c3c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:25:37, skipping insertion in model container [2021-02-22 02:25:37,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 02:25:35" (2/3) ... [2021-02-22 02:25:37,631 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c6c3c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 02:25:37, skipping insertion in model container [2021-02-22 02:25:37,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 02:25:37" (3/3) ... [2021-02-22 02:25:37,633 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.15.cil.c [2021-02-22 02:25:37,641 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 02:25:37,648 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 02:25:37,668 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 02:25:37,703 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 02:25:37,704 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 02:25:37,704 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 02:25:37,705 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 02:25:37,705 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 02:25:37,705 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 02:25:37,705 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 02:25:37,705 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 02:25:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 882 states. [2021-02-22 02:25:37,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-02-22 02:25:37,783 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:25:37,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:25:37,785 INFO L428 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:25:37,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:25:37,792 INFO L82 PathProgramCache]: Analyzing trace with hash 2085248471, now seen corresponding path program 1 times [2021-02-22 02:25:37,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:25:37,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432365055] [2021-02-22 02:25:37,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:25:37,878 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:25:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:38,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:38,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:38,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:38,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:25:38,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:38,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:38,863 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-02-22 02:25:38,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:25:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:38,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:38,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-02-22 02:25:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:25:39,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 02:25:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-02-22 02:25:39,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:25:39,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 02:25:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 02:25:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-22 02:25:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 02:25:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-22 02:25:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-22 02:25:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-22 02:25:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-22 02:25:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 02:25:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 02:25:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-22 02:25:39,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-22 02:25:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-22 02:25:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 02:25:39,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 02:25:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-22 02:25:39,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-02-22 02:25:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 02:25:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:39,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:39,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:39,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:25:39,686 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432365055] [2021-02-22 02:25:39,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:25:39,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:25:39,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205214841] [2021-02-22 02:25:39,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:25:39,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:25:39,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:25:39,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:25:39,713 INFO L87 Difference]: Start difference. First operand 882 states. Second operand 8 states. [2021-02-22 02:25:40,001 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-22 02:25:40,322 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:25:41,234 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-02-22 02:25:41,457 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-22 02:25:41,627 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:25:42,165 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-02-22 02:25:42,413 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-02-22 02:25:48,063 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-22 02:25:53,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:25:53,833 INFO L93 Difference]: Finished difference Result 2267 states and 3110 transitions. [2021-02-22 02:25:53,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-22 02:25:53,835 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 394 [2021-02-22 02:25:53,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:25:53,870 INFO L225 Difference]: With dead ends: 2267 [2021-02-22 02:25:53,871 INFO L226 Difference]: Without dead ends: 1482 [2021-02-22 02:25:53,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2021-02-22 02:25:53,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2021-02-22 02:25:54,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 870. [2021-02-22 02:25:54,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 870 states. [2021-02-22 02:25:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 870 states and 1098 transitions. [2021-02-22 02:25:54,547 INFO L78 Accepts]: Start accepts. Automaton has 870 states and 1098 transitions. Word has length 394 [2021-02-22 02:25:54,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:25:54,548 INFO L480 AbstractCegarLoop]: Abstraction has 870 states and 1098 transitions. [2021-02-22 02:25:54,548 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:25:54,549 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1098 transitions. [2021-02-22 02:25:54,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-02-22 02:25:54,560 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:25:54,561 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, 1, 1, 1] [2021-02-22 02:25:54,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 02:25:54,562 INFO L428 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:25:54,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:25:54,563 INFO L82 PathProgramCache]: Analyzing trace with hash 665851255, now seen corresponding path program 1 times [2021-02-22 02:25:54,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:25:54,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178843725] [2021-02-22 02:25:54,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:25:54,568 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:25:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:54,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:54,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:54,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:54,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:25:54,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:54,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,090 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-02-22 02:25:55,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:25:55,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-02-22 02:25:55,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:25:55,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 02:25:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-02-22 02:25:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:25:55,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 02:25:55,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 02:25:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-22 02:25:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 02:25:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-22 02:25:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-22 02:25:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-22 02:25:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-22 02:25:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 02:25:55,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 02:25:55,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-22 02:25:55,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-22 02:25:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-22 02:25:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 02:25:55,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 02:25:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-22 02:25:55,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-02-22 02:25:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 02:25:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:25:55,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:25:55,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:25:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:25:55,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178843725] [2021-02-22 02:25:55,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:25:55,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:25:55,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182726310] [2021-02-22 02:25:55,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:25:55,830 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:25:55,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:25:55,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:25:55,831 INFO L87 Difference]: Start difference. First operand 870 states and 1098 transitions. Second operand 8 states. [2021-02-22 02:25:56,080 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-22 02:25:56,316 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:25:57,088 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-02-22 02:25:57,252 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-22 02:25:57,439 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:25:57,952 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-02-22 02:25:58,181 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-02-22 02:26:03,570 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-22 02:26:09,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:26:09,068 INFO L93 Difference]: Finished difference Result 2235 states and 2913 transitions. [2021-02-22 02:26:09,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 02:26:09,069 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 394 [2021-02-22 02:26:09,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:26:09,084 INFO L225 Difference]: With dead ends: 2235 [2021-02-22 02:26:09,084 INFO L226 Difference]: Without dead ends: 1481 [2021-02-22 02:26:09,090 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2021-02-22 02:26:09,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1481 states. [2021-02-22 02:26:09,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1481 to 869. [2021-02-22 02:26:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2021-02-22 02:26:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1096 transitions. [2021-02-22 02:26:09,555 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1096 transitions. Word has length 394 [2021-02-22 02:26:09,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:26:09,556 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1096 transitions. [2021-02-22 02:26:09,556 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:26:09,556 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1096 transitions. [2021-02-22 02:26:09,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-02-22 02:26:09,565 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:26:09,565 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, 1, 1, 1] [2021-02-22 02:26:09,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 02:26:09,566 INFO L428 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:26:09,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:26:09,567 INFO L82 PathProgramCache]: Analyzing trace with hash 1155702039, now seen corresponding path program 1 times [2021-02-22 02:26:09,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:26:09,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327265105] [2021-02-22 02:26:09,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:26:09,570 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:26:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:09,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:09,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:09,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:09,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:26:09,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:09,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,074 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-02-22 02:26:10,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:26:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-02-22 02:26:10,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:26:10,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 02:26:10,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-02-22 02:26:10,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:26:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 02:26:10,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 02:26:10,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-22 02:26:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 02:26:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-22 02:26:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-22 02:26:10,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-22 02:26:10,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-22 02:26:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 02:26:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 02:26:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-22 02:26:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-22 02:26:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-22 02:26:10,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 02:26:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 02:26:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-22 02:26:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-02-22 02:26:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 02:26:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:10,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:10,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:10,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:26:10,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327265105] [2021-02-22 02:26:10,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:26:10,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:26:10,622 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615425559] [2021-02-22 02:26:10,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:26:10,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:26:10,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:26:10,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:26:10,624 INFO L87 Difference]: Start difference. First operand 869 states and 1096 transitions. Second operand 8 states. [2021-02-22 02:26:10,888 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-22 02:26:11,136 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:26:11,955 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-02-22 02:26:12,142 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-22 02:26:12,343 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:26:12,891 WARN L202 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-02-22 02:26:13,134 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-02-22 02:26:18,278 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-22 02:26:23,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:26:23,662 INFO L93 Difference]: Finished difference Result 2228 states and 2903 transitions. [2021-02-22 02:26:23,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 02:26:23,663 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 394 [2021-02-22 02:26:23,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:26:23,674 INFO L225 Difference]: With dead ends: 2228 [2021-02-22 02:26:23,675 INFO L226 Difference]: Without dead ends: 1480 [2021-02-22 02:26:23,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2021-02-22 02:26:23,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2021-02-22 02:26:24,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 868. [2021-02-22 02:26:24,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 868 states. [2021-02-22 02:26:24,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1094 transitions. [2021-02-22 02:26:24,143 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1094 transitions. Word has length 394 [2021-02-22 02:26:24,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:26:24,143 INFO L480 AbstractCegarLoop]: Abstraction has 868 states and 1094 transitions. [2021-02-22 02:26:24,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:26:24,144 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1094 transitions. [2021-02-22 02:26:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-02-22 02:26:24,147 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:26:24,148 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, 1, 1, 1] [2021-02-22 02:26:24,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 02:26:24,148 INFO L428 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:26:24,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:26:24,149 INFO L82 PathProgramCache]: Analyzing trace with hash -624298825, now seen corresponding path program 1 times [2021-02-22 02:26:24,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:26:24,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [146903113] [2021-02-22 02:26:24,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:26:24,152 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:26:24,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:26:24,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,671 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-02-22 02:26:24,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:26:24,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-02-22 02:26:24,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:26:24,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 02:26:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-02-22 02:26:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:26:24,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 02:26:24,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 02:26:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-22 02:26:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 02:26:24,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,955 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-22 02:26:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-22 02:26:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-22 02:26:24,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-22 02:26:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 02:26:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 02:26:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-22 02:26:24,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-22 02:26:24,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:24,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:24,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:24,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-22 02:26:24,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:25,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:25,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:25,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 02:26:25,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:25,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:25,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:25,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 02:26:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:25,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:25,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:25,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-22 02:26:25,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:25,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:25,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:25,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-02-22 02:26:25,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:25,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:25,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:25,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 02:26:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:25,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:25,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:25,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:26:25,241 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [146903113] [2021-02-22 02:26:25,241 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:26:25,242 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:26:25,242 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502843760] [2021-02-22 02:26:25,242 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:26:25,243 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:26:25,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:26:25,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:26:25,243 INFO L87 Difference]: Start difference. First operand 868 states and 1094 transitions. Second operand 8 states. [2021-02-22 02:26:25,504 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-22 02:26:25,748 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:26:26,569 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-02-22 02:26:26,753 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-22 02:26:26,969 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:26:27,506 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-02-22 02:26:27,744 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-02-22 02:26:33,014 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-22 02:26:38,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:26:38,753 INFO L93 Difference]: Finished difference Result 2221 states and 2893 transitions. [2021-02-22 02:26:38,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 02:26:38,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 394 [2021-02-22 02:26:38,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:26:38,765 INFO L225 Difference]: With dead ends: 2221 [2021-02-22 02:26:38,765 INFO L226 Difference]: Without dead ends: 1479 [2021-02-22 02:26:38,769 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2021-02-22 02:26:38,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1479 states. [2021-02-22 02:26:39,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1479 to 867. [2021-02-22 02:26:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 867 states. [2021-02-22 02:26:39,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 867 states to 867 states and 1092 transitions. [2021-02-22 02:26:39,149 INFO L78 Accepts]: Start accepts. Automaton has 867 states and 1092 transitions. Word has length 394 [2021-02-22 02:26:39,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:26:39,150 INFO L480 AbstractCegarLoop]: Abstraction has 867 states and 1092 transitions. [2021-02-22 02:26:39,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:26:39,150 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1092 transitions. [2021-02-22 02:26:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-02-22 02:26:39,154 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:26:39,155 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, 1, 1, 1] [2021-02-22 02:26:39,155 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 02:26:39,155 INFO L428 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:26:39,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:26:39,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1538384809, now seen corresponding path program 1 times [2021-02-22 02:26:39,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:26:39,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523107004] [2021-02-22 02:26:39,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:26:39,159 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:26:39,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:39,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:39,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:26:39,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:39,693 WARN L202 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-02-22 02:26:39,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:26:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:39,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:39,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-02-22 02:26:39,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:39,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:39,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:26:39,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 02:26:39,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:39,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:39,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-02-22 02:26:39,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:39,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:39,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:26:39,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 02:26:39,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:39,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:39,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:39,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 02:26:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-22 02:26:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 02:26:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-22 02:26:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-22 02:26:40,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-22 02:26:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-22 02:26:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 02:26:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 02:26:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-22 02:26:40,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-22 02:26:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-22 02:26:40,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 02:26:40,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 02:26:40,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-22 02:26:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-02-22 02:26:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 02:26:40,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:40,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:40,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:26:40,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523107004] [2021-02-22 02:26:40,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:26:40,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:26:40,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188183124] [2021-02-22 02:26:40,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:26:40,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:26:40,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:26:40,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:26:40,303 INFO L87 Difference]: Start difference. First operand 867 states and 1092 transitions. Second operand 8 states. [2021-02-22 02:26:40,544 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-22 02:26:40,788 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:26:41,615 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-02-22 02:26:41,802 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-22 02:26:42,019 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:26:42,541 WARN L202 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-02-22 02:26:42,774 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-02-22 02:26:47,901 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-22 02:26:53,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:26:53,285 INFO L93 Difference]: Finished difference Result 2214 states and 2883 transitions. [2021-02-22 02:26:53,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 02:26:53,285 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 394 [2021-02-22 02:26:53,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:26:53,296 INFO L225 Difference]: With dead ends: 2214 [2021-02-22 02:26:53,297 INFO L226 Difference]: Without dead ends: 1478 [2021-02-22 02:26:53,301 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2021-02-22 02:26:53,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2021-02-22 02:26:53,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 866. [2021-02-22 02:26:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2021-02-22 02:26:53,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1090 transitions. [2021-02-22 02:26:53,775 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1090 transitions. Word has length 394 [2021-02-22 02:26:53,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:26:53,775 INFO L480 AbstractCegarLoop]: Abstraction has 866 states and 1090 transitions. [2021-02-22 02:26:53,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:26:53,776 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1090 transitions. [2021-02-22 02:26:53,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-02-22 02:26:53,779 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:26:53,780 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, 1, 1, 1] [2021-02-22 02:26:53,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 02:26:53,780 INFO L428 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:26:53,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:26:53,781 INFO L82 PathProgramCache]: Analyzing trace with hash 274142199, now seen corresponding path program 1 times [2021-02-22 02:26:53,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:26:53,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128136457] [2021-02-22 02:26:53,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:26:53,784 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:26:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:53,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:53,860 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:53,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:53,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:26:53,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:53,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,269 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-02-22 02:26:54,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:26:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-02-22 02:26:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:26:54,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 02:26:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-02-22 02:26:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:26:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 02:26:54,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 02:26:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-22 02:26:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 02:26:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-22 02:26:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-22 02:26:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-22 02:26:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-22 02:26:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 02:26:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,529 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 02:26:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-22 02:26:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-22 02:26:54,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-22 02:26:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 02:26:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 02:26:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-22 02:26:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-02-22 02:26:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 02:26:54,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:26:54,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:26:54,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:26:54,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:26:54,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128136457] [2021-02-22 02:26:54,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:26:54,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:26:54,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681250518] [2021-02-22 02:26:54,818 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:26:54,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:26:54,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:26:54,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:26:54,819 INFO L87 Difference]: Start difference. First operand 866 states and 1090 transitions. Second operand 8 states. [2021-02-22 02:26:55,046 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-22 02:26:55,297 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:26:56,115 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-02-22 02:26:56,302 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-22 02:26:56,533 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:26:57,057 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-02-22 02:26:57,288 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-02-22 02:27:02,513 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-22 02:27:08,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:27:08,002 INFO L93 Difference]: Finished difference Result 2207 states and 2873 transitions. [2021-02-22 02:27:08,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 02:27:08,003 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 394 [2021-02-22 02:27:08,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:27:08,013 INFO L225 Difference]: With dead ends: 2207 [2021-02-22 02:27:08,013 INFO L226 Difference]: Without dead ends: 1477 [2021-02-22 02:27:08,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2021-02-22 02:27:08,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1477 states. [2021-02-22 02:27:08,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1477 to 865. [2021-02-22 02:27:08,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 865 states. [2021-02-22 02:27:08,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 865 states and 1088 transitions. [2021-02-22 02:27:08,540 INFO L78 Accepts]: Start accepts. Automaton has 865 states and 1088 transitions. Word has length 394 [2021-02-22 02:27:08,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:27:08,541 INFO L480 AbstractCegarLoop]: Abstraction has 865 states and 1088 transitions. [2021-02-22 02:27:08,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:27:08,541 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1088 transitions. [2021-02-22 02:27:08,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-02-22 02:27:08,544 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:27:08,545 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, 1, 1, 1] [2021-02-22 02:27:08,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 02:27:08,545 INFO L428 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:27:08,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:27:08,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1103944599, now seen corresponding path program 1 times [2021-02-22 02:27:08,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:27:08,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1226109258] [2021-02-22 02:27:08,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:27:08,549 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:27:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:08,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:08,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:08,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:08,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:27:08,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:08,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,102 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-02-22 02:27:09,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:27:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-02-22 02:27:09,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:27:09,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 02:27:09,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-02-22 02:27:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:27:09,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 02:27:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 02:27:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-22 02:27:09,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 02:27:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-22 02:27:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-22 02:27:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-22 02:27:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-22 02:27:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 02:27:09,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 02:27:09,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-22 02:27:09,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-22 02:27:09,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-22 02:27:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 02:27:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 02:27:09,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-22 02:27:09,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-02-22 02:27:09,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 02:27:09,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:09,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:09,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:09,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:27:09,619 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1226109258] [2021-02-22 02:27:09,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:27:09,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:27:09,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185676261] [2021-02-22 02:27:09,621 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:27:09,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:27:09,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:27:09,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:27:09,621 INFO L87 Difference]: Start difference. First operand 865 states and 1088 transitions. Second operand 8 states. [2021-02-22 02:27:09,867 WARN L202 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-22 02:27:10,117 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:27:10,845 WARN L202 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-02-22 02:27:11,032 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2021-02-22 02:27:11,248 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:27:11,752 WARN L202 SmtUtils]: Spent 460.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-02-22 02:27:11,990 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-02-22 02:27:16,634 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-22 02:27:21,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:27:21,113 INFO L93 Difference]: Finished difference Result 2200 states and 2863 transitions. [2021-02-22 02:27:21,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 02:27:21,114 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 394 [2021-02-22 02:27:21,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:27:21,122 INFO L225 Difference]: With dead ends: 2200 [2021-02-22 02:27:21,123 INFO L226 Difference]: Without dead ends: 1476 [2021-02-22 02:27:21,126 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2021-02-22 02:27:21,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1476 states. [2021-02-22 02:27:21,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1476 to 864. [2021-02-22 02:27:21,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 864 states. [2021-02-22 02:27:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 864 states to 864 states and 1086 transitions. [2021-02-22 02:27:21,614 INFO L78 Accepts]: Start accepts. Automaton has 864 states and 1086 transitions. Word has length 394 [2021-02-22 02:27:21,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:27:21,614 INFO L480 AbstractCegarLoop]: Abstraction has 864 states and 1086 transitions. [2021-02-22 02:27:21,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:27:21,615 INFO L276 IsEmpty]: Start isEmpty. Operand 864 states and 1086 transitions. [2021-02-22 02:27:21,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2021-02-22 02:27:21,617 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:27:21,623 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, 1, 1, 1] [2021-02-22 02:27:21,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-22 02:27:21,624 INFO L428 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:27:21,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:27:21,624 INFO L82 PathProgramCache]: Analyzing trace with hash 261583671, now seen corresponding path program 1 times [2021-02-22 02:27:21,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:27:21,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1826712533] [2021-02-22 02:27:21,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:27:21,628 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:27:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:21,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:21,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:21,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:21,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:27:21,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:21,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:27:21,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:21,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:27:21,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:21,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,149 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-02-22 02:27:22,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:27:22,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-02-22 02:27:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 02:27:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-02-22 02:27:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:27:22,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 02:27:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 02:27:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:27:22,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-22 02:27:22,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 02:27:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-22 02:27:22,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-22 02:27:22,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-22 02:27:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-22 02:27:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 02:27:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 02:27:22,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-22 02:27:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-22 02:27:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-22 02:27:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 02:27:22,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 02:27:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-22 02:27:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-02-22 02:27:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 02:27:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:22,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:22,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:22,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:27:22,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:27:22,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1826712533] [2021-02-22 02:27:22,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:27:22,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:27:22,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284169890] [2021-02-22 02:27:22,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:27:22,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:27:22,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:27:22,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:27:22,697 INFO L87 Difference]: Start difference. First operand 864 states and 1086 transitions. Second operand 8 states. [2021-02-22 02:27:22,959 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-22 02:27:23,210 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:27:23,932 WARN L202 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-02-22 02:27:24,115 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-02-22 02:27:24,440 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:27:24,630 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-02-22 02:27:26,702 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:27:32,099 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-22 02:27:44,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:27:44,639 INFO L93 Difference]: Finished difference Result 4153 states and 5621 transitions. [2021-02-22 02:27:44,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-22 02:27:44,639 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 394 [2021-02-22 02:27:44,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:27:44,658 INFO L225 Difference]: With dead ends: 4153 [2021-02-22 02:27:44,659 INFO L226 Difference]: Without dead ends: 3435 [2021-02-22 02:27:44,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2021-02-22 02:27:44,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3435 states. [2021-02-22 02:27:45,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3435 to 1837. [2021-02-22 02:27:45,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1837 states. [2021-02-22 02:27:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1837 states to 1837 states and 2363 transitions. [2021-02-22 02:27:45,935 INFO L78 Accepts]: Start accepts. Automaton has 1837 states and 2363 transitions. Word has length 394 [2021-02-22 02:27:45,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:27:45,936 INFO L480 AbstractCegarLoop]: Abstraction has 1837 states and 2363 transitions. [2021-02-22 02:27:45,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:27:45,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2363 transitions. [2021-02-22 02:27:45,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2021-02-22 02:27:45,941 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:27:45,942 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, 1, 1, 1, 1] [2021-02-22 02:27:45,942 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-22 02:27:45,942 INFO L428 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:27:45,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:27:45,943 INFO L82 PathProgramCache]: Analyzing trace with hash 433299855, now seen corresponding path program 1 times [2021-02-22 02:27:45,943 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:27:45,943 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1809570728] [2021-02-22 02:27:45,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:27:45,946 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:27:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 02:27:46,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,472 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2021-02-22 02:27:46,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 02:27:46,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-02-22 02:27:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 02:27:46,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-22 02:27:46,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2021-02-22 02:27:46,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-22 02:27:46,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 02:27:46,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-02-22 02:27:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-02-22 02:27:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 02:27:46,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-22 02:27:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2021-02-22 02:27:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-22 02:27:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-02-22 02:27:46,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-22 02:27:46,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-22 02:27:46,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-02-22 02:27:46,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-22 02:27:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-02-22 02:27:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-22 02:27:46,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-22 02:27:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-02-22 02:27:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-02-22 02:27:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2021-02-22 02:27:46,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 02:27:46,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 02:27:46,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 02:27:46,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 02:27:46,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1809570728] [2021-02-22 02:27:46,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 02:27:46,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 02:27:46,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184300773] [2021-02-22 02:27:46,959 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 02:27:46,959 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 02:27:46,960 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 02:27:46,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 02:27:46,960 INFO L87 Difference]: Start difference. First operand 1837 states and 2363 transitions. Second operand 8 states. [2021-02-22 02:27:47,170 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-02-22 02:27:47,396 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-02-22 02:27:48,217 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2021-02-22 02:27:48,398 WARN L202 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-02-22 02:27:48,988 WARN L202 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2021-02-22 02:27:49,225 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2021-02-22 02:27:54,070 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2021-02-22 02:28:01,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 02:28:01,603 INFO L93 Difference]: Finished difference Result 4797 states and 6371 transitions. [2021-02-22 02:28:01,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-22 02:28:01,604 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 395 [2021-02-22 02:28:01,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 02:28:01,620 INFO L225 Difference]: With dead ends: 4797 [2021-02-22 02:28:01,620 INFO L226 Difference]: Without dead ends: 3104 [2021-02-22 02:28:01,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2021-02-22 02:28:01,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3104 states. [2021-02-22 02:28:02,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3104 to 1799. [2021-02-22 02:28:02,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1799 states. [2021-02-22 02:28:02,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1799 states to 1799 states and 2314 transitions. [2021-02-22 02:28:02,786 INFO L78 Accepts]: Start accepts. Automaton has 1799 states and 2314 transitions. Word has length 395 [2021-02-22 02:28:02,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 02:28:02,787 INFO L480 AbstractCegarLoop]: Abstraction has 1799 states and 2314 transitions. [2021-02-22 02:28:02,787 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 02:28:02,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2314 transitions. [2021-02-22 02:28:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2021-02-22 02:28:02,791 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 02:28:02,791 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, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 02:28:02,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-22 02:28:02,792 INFO L428 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 02:28:02,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 02:28:02,792 INFO L82 PathProgramCache]: Analyzing trace with hash 912780570, now seen corresponding path program 1 times [2021-02-22 02:28:02,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 02:28:02,793 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [482194690] [2021-02-22 02:28:02,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 02:28:02,795 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 02:28:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:28:02,833 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:28:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-22 02:28:02,876 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-22 02:28:03,396 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-22 02:28:03,396 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-22 02:28:03,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-22 02:28:03,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.02 02:28:03 BoogieIcfgContainer [2021-02-22 02:28:03,443 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-22 02:28:03,444 INFO L168 Benchmark]: Toolchain (without parser) took 148445.61 ms. Allocated memory was 151.0 MB in the beginning and 1.1 GB in the end (delta: 916.5 MB). Free memory was 126.1 MB in the beginning and 956.8 MB in the end (delta: -830.6 MB). Peak memory consumption was 656.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:28:03,444 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 124.3 MB in the end (delta: 435.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 02:28:03,445 INFO L168 Benchmark]: CACSL2BoogieTranslator took 643.43 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 100.3 MB in the end (delta: 24.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:28:03,445 INFO L168 Benchmark]: Boogie Preprocessor took 174.15 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 95.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-22 02:28:03,445 INFO L168 Benchmark]: RCFGBuilder took 1777.74 ms. Allocated memory was 151.0 MB in the beginning and 197.1 MB in the end (delta: 46.1 MB). Free memory was 95.7 MB in the beginning and 121.6 MB in the end (delta: -25.8 MB). Peak memory consumption was 36.0 MB. Max. memory is 8.0 GB. [2021-02-22 02:28:03,445 INFO L168 Benchmark]: TraceAbstraction took 145818.72 ms. Allocated memory was 197.1 MB in the beginning and 1.1 GB in the end (delta: 870.3 MB). Free memory was 121.1 MB in the beginning and 956.8 MB in the end (delta: -835.7 MB). Peak memory consumption was 603.4 MB. Max. memory is 8.0 GB. [2021-02-22 02:28:03,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 124.3 MB in the end (delta: 435.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 643.43 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 100.3 MB in the end (delta: 24.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 174.15 ms. Allocated memory is still 151.0 MB. Free memory was 100.3 MB in the beginning and 95.7 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1777.74 ms. Allocated memory was 151.0 MB in the beginning and 197.1 MB in the end (delta: 46.1 MB). Free memory was 95.7 MB in the beginning and 121.6 MB in the end (delta: -25.8 MB). Peak memory consumption was 36.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 145818.72 ms. Allocated memory was 197.1 MB in the beginning and 1.1 GB in the end (delta: 870.3 MB). Free memory was 121.1 MB in the beginning and 956.8 MB in the end (delta: -835.7 MB). Peak memory consumption was 603.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int m_pc = 0; [L18] int t1_pc = 0; [L19] int t2_pc = 0; [L20] int t3_pc = 0; [L21] int t4_pc = 0; [L22] int t5_pc = 0; [L23] int t6_pc = 0; [L24] int t7_pc = 0; [L25] int t8_pc = 0; [L26] int t9_pc = 0; [L27] int t10_pc = 0; [L28] int t11_pc = 0; [L29] int t12_pc = 0; [L30] int t13_pc = 0; [L31] int m_st ; [L32] int t1_st ; [L33] int t2_st ; [L34] int t3_st ; [L35] int t4_st ; [L36] int t5_st ; [L37] int t6_st ; [L38] int t7_st ; [L39] int t8_st ; [L40] int t9_st ; [L41] int t10_st ; [L42] int t11_st ; [L43] int t12_st ; [L44] int t13_st ; [L45] int m_i ; [L46] int t1_i ; [L47] int t2_i ; [L48] int t3_i ; [L49] int t4_i ; [L50] int t5_i ; [L51] int t6_i ; [L52] int t7_i ; [L53] int t8_i ; [L54] int t9_i ; [L55] int t10_i ; [L56] int t11_i ; [L57] int t12_i ; [L58] int t13_i ; [L59] int M_E = 2; [L60] int T1_E = 2; [L61] int T2_E = 2; [L62] int T3_E = 2; [L63] int T4_E = 2; [L64] int T5_E = 2; [L65] int T6_E = 2; [L66] int T7_E = 2; [L67] int T8_E = 2; [L68] int T9_E = 2; [L69] int T10_E = 2; [L70] int T11_E = 2; [L71] int T12_E = 2; [L72] int T13_E = 2; [L73] int E_1 = 2; [L74] int E_2 = 2; [L75] int E_3 = 2; [L76] int E_4 = 2; [L77] int E_5 = 2; [L78] int E_6 = 2; [L79] int E_7 = 2; [L80] int E_8 = 2; [L81] int E_9 = 2; [L82] int E_10 = 2; [L83] int E_11 = 2; [L84] int E_12 = 2; [L85] int E_13 = 2; [L1929] int __retres1 ; [L1933] CALL init_model() [L1832] m_i = 1 [L1833] t1_i = 1 [L1834] t2_i = 1 [L1835] t3_i = 1 [L1836] t4_i = 1 [L1837] t5_i = 1 [L1838] t6_i = 1 [L1839] t7_i = 1 [L1840] t8_i = 1 [L1841] t9_i = 1 [L1842] t10_i = 1 [L1843] t11_i = 1 [L1844] t12_i = 1 [L1845] t13_i = 1 [L1933] RET init_model() [L1934] CALL start_simulation() [L1870] int kernel_st ; [L1871] int tmp ; [L1872] int tmp___0 ; [L1876] kernel_st = 0 [L1877] FCALL update_channels() [L1878] CALL init_threads() [L873] COND TRUE m_i == 1 [L874] m_st = 0 [L878] COND TRUE t1_i == 1 [L879] t1_st = 0 [L883] COND TRUE t2_i == 1 [L884] t2_st = 0 [L888] COND TRUE t3_i == 1 [L889] t3_st = 0 [L893] COND TRUE t4_i == 1 [L894] t4_st = 0 [L898] COND TRUE t5_i == 1 [L899] t5_st = 0 [L903] COND TRUE t6_i == 1 [L904] t6_st = 0 [L908] COND TRUE t7_i == 1 [L909] t7_st = 0 [L913] COND TRUE t8_i == 1 [L914] t8_st = 0 [L918] COND TRUE t9_i == 1 [L919] t9_st = 0 [L923] COND TRUE t10_i == 1 [L924] t10_st = 0 [L928] COND TRUE t11_i == 1 [L929] t11_st = 0 [L933] COND TRUE t12_i == 1 [L934] t12_st = 0 [L938] COND TRUE t13_i == 1 [L939] t13_st = 0 [L1878] RET init_threads() [L1879] CALL fire_delta_events() [L1250] COND FALSE !(M_E == 0) [L1255] COND FALSE !(T1_E == 0) [L1260] COND FALSE !(T2_E == 0) [L1265] COND FALSE !(T3_E == 0) [L1270] COND FALSE !(T4_E == 0) [L1275] COND FALSE !(T5_E == 0) [L1280] COND FALSE !(T6_E == 0) [L1285] COND FALSE !(T7_E == 0) [L1290] COND FALSE !(T8_E == 0) [L1295] COND FALSE !(T9_E == 0) [L1300] COND FALSE !(T10_E == 0) [L1305] COND FALSE !(T11_E == 0) [L1310] COND FALSE !(T12_E == 0) [L1315] COND FALSE !(T13_E == 0) [L1320] COND FALSE !(E_1 == 0) [L1325] COND FALSE !(E_2 == 0) [L1330] COND FALSE !(E_3 == 0) [L1335] COND FALSE !(E_4 == 0) [L1340] COND FALSE !(E_5 == 0) [L1345] COND FALSE !(E_6 == 0) [L1350] COND FALSE !(E_7 == 0) [L1355] COND FALSE !(E_8 == 0) [L1360] COND FALSE !(E_9 == 0) [L1365] COND FALSE !(E_10 == 0) [L1370] COND FALSE !(E_11 == 0) [L1375] COND FALSE !(E_12 == 0) [L1380] COND FALSE !(E_13 == 0) [L1879] RET fire_delta_events() [L1880] CALL activate_threads() [L1533] int tmp ; [L1534] int tmp___0 ; [L1535] int tmp___1 ; [L1536] int tmp___2 ; [L1537] int tmp___3 ; [L1538] int tmp___4 ; [L1539] int tmp___5 ; [L1540] int tmp___6 ; [L1541] int tmp___7 ; [L1542] int tmp___8 ; [L1543] int tmp___9 ; [L1544] int tmp___10 ; [L1545] int tmp___11 ; [L1546] int tmp___12 ; [L1550] CALL, EXPR is_master_triggered() [L596] int __retres1 ; [L599] COND FALSE !(m_pc == 1) [L609] __retres1 = 0 [L611] return (__retres1); [L1550] RET, EXPR is_master_triggered() [L1550] tmp = is_master_triggered() [L1552] COND FALSE !(\read(tmp)) [L1558] CALL, EXPR is_transmit1_triggered() [L615] int __retres1 ; [L618] COND FALSE !(t1_pc == 1) [L628] __retres1 = 0 [L630] return (__retres1); [L1558] RET, EXPR is_transmit1_triggered() [L1558] tmp___0 = is_transmit1_triggered() [L1560] COND FALSE !(\read(tmp___0)) [L1566] CALL, EXPR is_transmit2_triggered() [L634] int __retres1 ; [L637] COND FALSE !(t2_pc == 1) [L647] __retres1 = 0 [L649] return (__retres1); [L1566] RET, EXPR is_transmit2_triggered() [L1566] tmp___1 = is_transmit2_triggered() [L1568] COND FALSE !(\read(tmp___1)) [L1574] CALL, EXPR is_transmit3_triggered() [L653] int __retres1 ; [L656] COND FALSE !(t3_pc == 1) [L666] __retres1 = 0 [L668] return (__retres1); [L1574] RET, EXPR is_transmit3_triggered() [L1574] tmp___2 = is_transmit3_triggered() [L1576] COND FALSE !(\read(tmp___2)) [L1582] CALL, EXPR is_transmit4_triggered() [L672] int __retres1 ; [L675] COND FALSE !(t4_pc == 1) [L685] __retres1 = 0 [L687] return (__retres1); [L1582] RET, EXPR is_transmit4_triggered() [L1582] tmp___3 = is_transmit4_triggered() [L1584] COND FALSE !(\read(tmp___3)) [L1590] CALL, EXPR is_transmit5_triggered() [L691] int __retres1 ; [L694] COND FALSE !(t5_pc == 1) [L704] __retres1 = 0 [L706] return (__retres1); [L1590] RET, EXPR is_transmit5_triggered() [L1590] tmp___4 = is_transmit5_triggered() [L1592] COND FALSE !(\read(tmp___4)) [L1598] CALL, EXPR is_transmit6_triggered() [L710] int __retres1 ; [L713] COND FALSE !(t6_pc == 1) [L723] __retres1 = 0 [L725] return (__retres1); [L1598] RET, EXPR is_transmit6_triggered() [L1598] tmp___5 = is_transmit6_triggered() [L1600] COND FALSE !(\read(tmp___5)) [L1606] CALL, EXPR is_transmit7_triggered() [L729] int __retres1 ; [L732] COND FALSE !(t7_pc == 1) [L742] __retres1 = 0 [L744] return (__retres1); [L1606] RET, EXPR is_transmit7_triggered() [L1606] tmp___6 = is_transmit7_triggered() [L1608] COND FALSE !(\read(tmp___6)) [L1614] CALL, EXPR is_transmit8_triggered() [L748] int __retres1 ; [L751] COND FALSE !(t8_pc == 1) [L761] __retres1 = 0 [L763] return (__retres1); [L1614] RET, EXPR is_transmit8_triggered() [L1614] tmp___7 = is_transmit8_triggered() [L1616] COND FALSE !(\read(tmp___7)) [L1622] CALL, EXPR is_transmit9_triggered() [L767] int __retres1 ; [L770] COND FALSE !(t9_pc == 1) [L780] __retres1 = 0 [L782] return (__retres1); [L1622] RET, EXPR is_transmit9_triggered() [L1622] tmp___8 = is_transmit9_triggered() [L1624] COND FALSE !(\read(tmp___8)) [L1630] CALL, EXPR is_transmit10_triggered() [L786] int __retres1 ; [L789] COND FALSE !(t10_pc == 1) [L799] __retres1 = 0 [L801] return (__retres1); [L1630] RET, EXPR is_transmit10_triggered() [L1630] tmp___9 = is_transmit10_triggered() [L1632] COND FALSE !(\read(tmp___9)) [L1638] CALL, EXPR is_transmit11_triggered() [L805] int __retres1 ; [L808] COND FALSE !(t11_pc == 1) [L818] __retres1 = 0 [L820] return (__retres1); [L1638] RET, EXPR is_transmit11_triggered() [L1638] tmp___10 = is_transmit11_triggered() [L1640] COND FALSE !(\read(tmp___10)) [L1646] CALL, EXPR is_transmit12_triggered() [L824] int __retres1 ; [L827] COND FALSE !(t12_pc == 1) [L837] __retres1 = 0 [L839] return (__retres1); [L1646] RET, EXPR is_transmit12_triggered() [L1646] tmp___11 = is_transmit12_triggered() [L1648] COND FALSE !(\read(tmp___11)) [L1654] CALL, EXPR is_transmit13_triggered() [L843] int __retres1 ; [L846] COND FALSE !(t13_pc == 1) [L856] __retres1 = 0 [L858] return (__retres1); [L1654] RET, EXPR is_transmit13_triggered() [L1654] tmp___12 = is_transmit13_triggered() [L1656] COND FALSE !(\read(tmp___12)) [L1880] RET activate_threads() [L1881] CALL reset_delta_events() [L1393] COND FALSE !(M_E == 1) [L1398] COND FALSE !(T1_E == 1) [L1403] COND FALSE !(T2_E == 1) [L1408] COND FALSE !(T3_E == 1) [L1413] COND FALSE !(T4_E == 1) [L1418] COND FALSE !(T5_E == 1) [L1423] COND FALSE !(T6_E == 1) [L1428] COND FALSE !(T7_E == 1) [L1433] COND FALSE !(T8_E == 1) [L1438] COND FALSE !(T9_E == 1) [L1443] COND FALSE !(T10_E == 1) [L1448] COND FALSE !(T11_E == 1) [L1453] COND FALSE !(T12_E == 1) [L1458] COND FALSE !(T13_E == 1) [L1463] COND FALSE !(E_1 == 1) [L1468] COND FALSE !(E_2 == 1) [L1473] COND FALSE !(E_3 == 1) [L1478] COND FALSE !(E_4 == 1) [L1483] COND FALSE !(E_5 == 1) [L1488] COND FALSE !(E_6 == 1) [L1493] COND FALSE !(E_7 == 1) [L1498] COND FALSE !(E_8 == 1) [L1503] COND FALSE !(E_9 == 1) [L1508] COND FALSE !(E_10 == 1) [L1513] COND FALSE !(E_11 == 1) [L1518] COND FALSE !(E_12 == 1) [L1523] COND FALSE !(E_13 == 1) [L1881] RET reset_delta_events() [L1884] COND TRUE 1 [L1887] kernel_st = 1 [L1888] CALL eval() [L1029] int tmp ; [L1033] COND TRUE 1 [L1036] CALL, EXPR exists_runnable_thread() [L948] int __retres1 ; [L951] COND TRUE m_st == 0 [L952] __retres1 = 1 [L1024] return (__retres1); [L1036] RET, EXPR exists_runnable_thread() [L1036] tmp = exists_runnable_thread() [L1038] COND TRUE \read(tmp) [L1043] COND TRUE m_st == 0 [L1044] int tmp_ndt_1; [L1045] tmp_ndt_1 = __VERIFIER_nondet_int() [L1046] COND FALSE !(\read(tmp_ndt_1)) [L1057] COND TRUE t1_st == 0 [L1058] int tmp_ndt_2; [L1059] tmp_ndt_2 = __VERIFIER_nondet_int() [L1060] COND FALSE !(\read(tmp_ndt_2)) [L1066] CALL error() [L13] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 46 procedures, 885 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 145.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 128.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6884 SDtfs, 42649 SDslu, 1753 SDs, 0 SdLazy, 30831 SolverSat, 6670 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 81.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 580 GetRequests, 424 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 452 ImplicationChecksByTransitivity, 26.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1837occurred 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: 5.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 7187 StatesRemovedByMinimization, 9 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...