/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 17:59:13,025 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 17:59:13,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 17:59:13,054 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 17:59:13,054 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 17:59:13,055 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 17:59:13,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 17:59:13,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 17:59:13,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 17:59:13,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 17:59:13,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 17:59:13,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 17:59:13,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 17:59:13,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 17:59:13,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 17:59:13,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 17:59:13,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 17:59:13,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 17:59:13,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 17:59:13,073 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 17:59:13,074 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 17:59:13,076 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 17:59:13,077 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 17:59:13,078 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 17:59:13,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 17:59:13,081 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 17:59:13,081 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 17:59:13,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 17:59:13,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 17:59:13,084 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 17:59:13,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 17:59:13,085 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 17:59:13,086 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 17:59:13,087 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 17:59:13,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 17:59:13,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 17:59:13,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 17:59:13,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 17:59:13,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 17:59:13,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 17:59:13,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 17:59:13,092 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 17:59:13,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 17:59:13,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 17:59:13,106 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 17:59:13,106 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 17:59:13,106 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 17:59:13,106 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 17:59:13,106 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 17:59:13,107 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 17:59:13,107 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 17:59:13,107 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 17:59:13,107 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 17:59:13,107 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 17:59:13,108 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 17:59:13,108 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 17:59:13,108 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 17:59:13,108 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 17:59:13,109 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 17:59:13,109 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 17:59:13,109 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 17:59:13,109 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 17:59:13,109 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 17:59:13,110 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 17:59:13,110 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 17:59:13,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 17:59:13,572 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 17:59:13,576 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 17:59:13,578 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 17:59:13,581 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 17:59:13,582 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-09-04 17:59:13,670 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fd65547b/7ba2e24663c14916aa824736ffdbffd0/FLAGf4d5f46c8 [2020-09-04 17:59:14,280 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 17:59:14,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.15.cil.c [2020-09-04 17:59:14,314 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fd65547b/7ba2e24663c14916aa824736ffdbffd0/FLAGf4d5f46c8 [2020-09-04 17:59:14,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2fd65547b/7ba2e24663c14916aa824736ffdbffd0 [2020-09-04 17:59:14,563 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 17:59:14,565 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 17:59:14,566 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 17:59:14,566 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 17:59:14,571 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 17:59:14,572 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:59:14" (1/1) ... [2020-09-04 17:59:14,576 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c31b5ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:14, skipping insertion in model container [2020-09-04 17:59:14,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 05:59:14" (1/1) ... [2020-09-04 17:59:14,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 17:59:14,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 17:59:15,027 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:59:15,037 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 17:59:15,243 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 17:59:15,279 INFO L208 MainTranslator]: Completed translation [2020-09-04 17:59:15,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15 WrapperNode [2020-09-04 17:59:15,280 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 17:59:15,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 17:59:15,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 17:59:15,281 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 17:59:15,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15" (1/1) ... [2020-09-04 17:59:15,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15" (1/1) ... [2020-09-04 17:59:15,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15" (1/1) ... [2020-09-04 17:59:15,315 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15" (1/1) ... [2020-09-04 17:59:15,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15" (1/1) ... [2020-09-04 17:59:15,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15" (1/1) ... [2020-09-04 17:59:15,376 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15" (1/1) ... [2020-09-04 17:59:15,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 17:59:15,385 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 17:59:15,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 17:59:15,386 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 17:59:15,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 17:59:15,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 17:59:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 17:59:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-04 17:59:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-04 17:59:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-04 17:59:15,474 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-04 17:59:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-09-04 17:59:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-09-04 17:59:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-09-04 17:59:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-09-04 17:59:15,475 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-09-04 17:59:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-09-04 17:59:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-09-04 17:59:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-09-04 17:59:15,476 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-09-04 17:59:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-09-04 17:59:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-09-04 17:59:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-04 17:59:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-04 17:59:15,477 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-04 17:59:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-09-04 17:59:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-09-04 17:59:15,478 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-09-04 17:59:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-09-04 17:59:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-09-04 17:59:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-09-04 17:59:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-09-04 17:59:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-09-04 17:59:15,479 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-09-04 17:59:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-09-04 17:59:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-09-04 17:59:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-04 17:59:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-04 17:59:15,480 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-04 17:59:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-04 17:59:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-04 17:59:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-04 17:59:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-04 17:59:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-04 17:59:15,481 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-04 17:59:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-04 17:59:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-04 17:59:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-04 17:59:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-04 17:59:15,482 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 17:59:15,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 17:59:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 17:59:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-04 17:59:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-04 17:59:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-04 17:59:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-04 17:59:15,483 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-09-04 17:59:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-09-04 17:59:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-09-04 17:59:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-09-04 17:59:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-09-04 17:59:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-09-04 17:59:15,484 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-09-04 17:59:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-09-04 17:59:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-09-04 17:59:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-09-04 17:59:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-09-04 17:59:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-04 17:59:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-04 17:59:15,485 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-04 17:59:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-04 17:59:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-09-04 17:59:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-09-04 17:59:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-09-04 17:59:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-09-04 17:59:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-09-04 17:59:15,486 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-09-04 17:59:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-09-04 17:59:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-09-04 17:59:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-09-04 17:59:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-09-04 17:59:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-09-04 17:59:15,487 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-04 17:59:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-04 17:59:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-04 17:59:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-04 17:59:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-04 17:59:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-04 17:59:15,488 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-04 17:59:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-04 17:59:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-04 17:59:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-04 17:59:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-04 17:59:15,489 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-04 17:59:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 17:59:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 17:59:15,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 17:59:16,962 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 17:59:16,962 INFO L295 CfgBuilder]: Removed 17 assume(true) statements. [2020-09-04 17:59:16,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:59:16 BoogieIcfgContainer [2020-09-04 17:59:16,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 17:59:16,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 17:59:16,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 17:59:16,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 17:59:16,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 05:59:14" (1/3) ... [2020-09-04 17:59:16,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0ffa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:59:16, skipping insertion in model container [2020-09-04 17:59:16,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 05:59:15" (2/3) ... [2020-09-04 17:59:16,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0ffa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 05:59:16, skipping insertion in model container [2020-09-04 17:59:16,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 05:59:16" (3/3) ... [2020-09-04 17:59:16,985 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.15.cil.c [2020-09-04 17:59:16,997 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 17:59:17,008 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 17:59:17,031 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 17:59:17,061 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 17:59:17,061 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 17:59:17,061 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 17:59:17,061 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 17:59:17,061 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 17:59:17,062 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 17:59:17,062 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 17:59:17,062 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 17:59:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states. [2020-09-04 17:59:17,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 17:59:17,136 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:59:17,138 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 17:59:17,138 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:59:17,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:59:17,147 INFO L82 PathProgramCache]: Analyzing trace with hash 2145549349, now seen corresponding path program 1 times [2020-09-04 17:59:17,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:59:17,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45244311] [2020-09-04 17:59:17,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:59:17,250 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:59:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,191 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 17:59:18,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:59:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 17:59:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-04 17:59:18,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 17:59:18,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 17:59:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 17:59:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 17:59:18,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 17:59:18,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 17:59:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 17:59:18,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-04 17:59:18,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-04 17:59:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-04 17:59:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-04 17:59:18,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-04 17:59:18,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-04 17:59:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 17:59:18,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 17:59:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 17:59:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 17:59:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 17:59:18,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:18,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 17:59:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:59:19,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45244311] [2020-09-04 17:59:19,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:59:19,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 17:59:19,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726588543] [2020-09-04 17:59:19,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 17:59:19,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:59:19,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 17:59:19,124 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 17:59:19,126 INFO L87 Difference]: Start difference. First operand 873 states. Second operand 8 states. [2020-09-04 17:59:19,379 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-09-04 17:59:19,605 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-09-04 17:59:20,216 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 17:59:20,382 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-09-04 17:59:20,847 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 17:59:21,047 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-09-04 17:59:26,011 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-09-04 17:59:31,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:59:31,138 INFO L93 Difference]: Finished difference Result 2261 states and 3105 transitions. [2020-09-04 17:59:31,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 17:59:31,141 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-09-04 17:59:31,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:59:31,188 INFO L225 Difference]: With dead ends: 2261 [2020-09-04 17:59:31,188 INFO L226 Difference]: Without dead ends: 1474 [2020-09-04 17:59:31,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-09-04 17:59:31,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2020-09-04 17:59:31,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 862. [2020-09-04 17:59:31,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 862 states. [2020-09-04 17:59:31,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 862 states and 1090 transitions. [2020-09-04 17:59:31,767 INFO L78 Accepts]: Start accepts. Automaton has 862 states and 1090 transitions. Word has length 386 [2020-09-04 17:59:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:59:31,768 INFO L479 AbstractCegarLoop]: Abstraction has 862 states and 1090 transitions. [2020-09-04 17:59:31,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 17:59:31,768 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1090 transitions. [2020-09-04 17:59:31,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 17:59:31,779 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:59:31,779 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 17:59:31,780 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 17:59:31,780 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:59:31,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:59:31,781 INFO L82 PathProgramCache]: Analyzing trace with hash -390542395, now seen corresponding path program 1 times [2020-09-04 17:59:31,781 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:59:31,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199379939] [2020-09-04 17:59:31,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:59:31,786 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:59:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,186 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 17:59:32,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:59:32,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 17:59:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-04 17:59:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 17:59:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 17:59:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 17:59:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 17:59:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 17:59:32,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 17:59:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 17:59:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-04 17:59:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-04 17:59:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-04 17:59:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-04 17:59:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-04 17:59:32,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-04 17:59:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 17:59:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 17:59:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 17:59:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 17:59:32,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 17:59:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 17:59:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:32,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:59:32,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199379939] [2020-09-04 17:59:32,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:59:32,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 17:59:32,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928211437] [2020-09-04 17:59:32,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 17:59:32,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:59:32,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 17:59:32,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 17:59:32,840 INFO L87 Difference]: Start difference. First operand 862 states and 1090 transitions. Second operand 8 states. [2020-09-04 17:59:33,124 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-09-04 17:59:33,314 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-09-04 17:59:33,838 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 17:59:34,004 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-09-04 17:59:34,163 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-09-04 17:59:34,583 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 17:59:34,795 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-09-04 17:59:39,377 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-09-04 17:59:43,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:59:43,807 INFO L93 Difference]: Finished difference Result 2230 states and 2909 transitions. [2020-09-04 17:59:43,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 17:59:43,808 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-09-04 17:59:43,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:59:43,824 INFO L225 Difference]: With dead ends: 2230 [2020-09-04 17:59:43,824 INFO L226 Difference]: Without dead ends: 1473 [2020-09-04 17:59:43,834 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-04 17:59:43,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1473 states. [2020-09-04 17:59:44,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1473 to 861. [2020-09-04 17:59:44,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2020-09-04 17:59:44,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1088 transitions. [2020-09-04 17:59:44,127 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1088 transitions. Word has length 386 [2020-09-04 17:59:44,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:59:44,128 INFO L479 AbstractCegarLoop]: Abstraction has 861 states and 1088 transitions. [2020-09-04 17:59:44,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 17:59:44,128 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1088 transitions. [2020-09-04 17:59:44,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 17:59:44,136 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:59:44,136 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 17:59:44,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 17:59:44,137 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:59:44,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:59:44,137 INFO L82 PathProgramCache]: Analyzing trace with hash -2090341531, now seen corresponding path program 1 times [2020-09-04 17:59:44,137 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:59:44,138 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182819497] [2020-09-04 17:59:44,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:59:44,140 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:59:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,511 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 17:59:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:59:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 17:59:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-04 17:59:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 17:59:44,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 17:59:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 17:59:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 17:59:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 17:59:44,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 17:59:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 17:59:44,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-04 17:59:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-04 17:59:44,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-04 17:59:44,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-04 17:59:44,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-04 17:59:44,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-04 17:59:44,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 17:59:44,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 17:59:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 17:59:44,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 17:59:44,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 17:59:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:44,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 17:59:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:45,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:59:45,090 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182819497] [2020-09-04 17:59:45,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:59:45,091 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 17:59:45,091 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [331066175] [2020-09-04 17:59:45,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 17:59:45,092 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:59:45,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 17:59:45,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 17:59:45,095 INFO L87 Difference]: Start difference. First operand 861 states and 1088 transitions. Second operand 8 states. [2020-09-04 17:59:45,276 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-09-04 17:59:45,481 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-09-04 17:59:46,063 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 17:59:46,227 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-09-04 17:59:46,396 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-09-04 17:59:46,792 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 17:59:47,024 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-09-04 17:59:51,704 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-09-04 17:59:56,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 17:59:56,521 INFO L93 Difference]: Finished difference Result 2223 states and 2899 transitions. [2020-09-04 17:59:56,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 17:59:56,522 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-09-04 17:59:56,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 17:59:56,532 INFO L225 Difference]: With dead ends: 2223 [2020-09-04 17:59:56,532 INFO L226 Difference]: Without dead ends: 1472 [2020-09-04 17:59:56,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-04 17:59:56,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1472 states. [2020-09-04 17:59:56,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1472 to 860. [2020-09-04 17:59:56,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 860 states. [2020-09-04 17:59:56,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 860 states to 860 states and 1086 transitions. [2020-09-04 17:59:56,872 INFO L78 Accepts]: Start accepts. Automaton has 860 states and 1086 transitions. Word has length 386 [2020-09-04 17:59:56,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 17:59:56,872 INFO L479 AbstractCegarLoop]: Abstraction has 860 states and 1086 transitions. [2020-09-04 17:59:56,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 17:59:56,873 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1086 transitions. [2020-09-04 17:59:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 17:59:56,880 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 17:59:56,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 17:59:56,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 17:59:56,881 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 17:59:56,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 17:59:56,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1020779269, now seen corresponding path program 1 times [2020-09-04 17:59:56,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 17:59:56,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410872844] [2020-09-04 17:59:56,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 17:59:56,884 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 17:59:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,280 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 17:59:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 17:59:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 17:59:57,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-04 17:59:57,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 17:59:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 17:59:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 17:59:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 17:59:57,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 17:59:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 17:59:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 17:59:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-04 17:59:57,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-04 17:59:57,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-04 17:59:57,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-04 17:59:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-04 17:59:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-04 17:59:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 17:59:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 17:59:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 17:59:57,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 17:59:57,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 17:59:57,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 17:59:57,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 17:59:57,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 17:59:57,713 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410872844] [2020-09-04 17:59:57,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 17:59:57,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 17:59:57,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812610060] [2020-09-04 17:59:57,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 17:59:57,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 17:59:57,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 17:59:57,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 17:59:57,715 INFO L87 Difference]: Start difference. First operand 860 states and 1086 transitions. Second operand 8 states. [2020-09-04 17:59:57,945 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-09-04 17:59:58,144 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-09-04 17:59:58,824 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 17:59:58,986 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-09-04 17:59:59,172 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-09-04 17:59:59,548 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 17:59:59,751 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-09-04 18:00:05,886 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-09-04 18:00:10,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 18:00:10,829 INFO L93 Difference]: Finished difference Result 2216 states and 2889 transitions. [2020-09-04 18:00:10,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 18:00:10,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-09-04 18:00:10,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 18:00:10,840 INFO L225 Difference]: With dead ends: 2216 [2020-09-04 18:00:10,840 INFO L226 Difference]: Without dead ends: 1471 [2020-09-04 18:00:10,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-04 18:00:10,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2020-09-04 18:00:11,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 859. [2020-09-04 18:00:11,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2020-09-04 18:00:11,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1084 transitions. [2020-09-04 18:00:11,235 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1084 transitions. Word has length 386 [2020-09-04 18:00:11,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 18:00:11,236 INFO L479 AbstractCegarLoop]: Abstraction has 859 states and 1084 transitions. [2020-09-04 18:00:11,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 18:00:11,236 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1084 transitions. [2020-09-04 18:00:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 18:00:11,242 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 18:00:11,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 18:00:11,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 18:00:11,243 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 18:00:11,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 18:00:11,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1242522971, now seen corresponding path program 1 times [2020-09-04 18:00:11,244 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 18:00:11,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593919431] [2020-09-04 18:00:11,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 18:00:11,246 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 18:00:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,619 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 18:00:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 18:00:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 18:00:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-04 18:00:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 18:00:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 18:00:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 18:00:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 18:00:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 18:00:11,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 18:00:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 18:00:11,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-04 18:00:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-04 18:00:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-04 18:00:11,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-04 18:00:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-04 18:00:11,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-04 18:00:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 18:00:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 18:00:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 18:00:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 18:00:11,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 18:00:11,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:11,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 18:00:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:12,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 18:00:12,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593919431] [2020-09-04 18:00:12,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 18:00:12,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 18:00:12,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994453395] [2020-09-04 18:00:12,027 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 18:00:12,027 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 18:00:12,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 18:00:12,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 18:00:12,028 INFO L87 Difference]: Start difference. First operand 859 states and 1084 transitions. Second operand 8 states. [2020-09-04 18:00:12,255 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-09-04 18:00:12,451 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-09-04 18:00:13,098 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 18:00:13,259 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-09-04 18:00:13,478 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-09-04 18:00:13,849 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 18:00:14,043 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-09-04 18:00:18,717 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-09-04 18:00:23,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 18:00:23,581 INFO L93 Difference]: Finished difference Result 2209 states and 2879 transitions. [2020-09-04 18:00:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 18:00:23,582 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-09-04 18:00:23,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 18:00:23,591 INFO L225 Difference]: With dead ends: 2209 [2020-09-04 18:00:23,591 INFO L226 Difference]: Without dead ends: 1470 [2020-09-04 18:00:23,594 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-04 18:00:23,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1470 states. [2020-09-04 18:00:23,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1470 to 858. [2020-09-04 18:00:23,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 858 states. [2020-09-04 18:00:23,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 858 states to 858 states and 1082 transitions. [2020-09-04 18:00:23,960 INFO L78 Accepts]: Start accepts. Automaton has 858 states and 1082 transitions. Word has length 386 [2020-09-04 18:00:23,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 18:00:23,961 INFO L479 AbstractCegarLoop]: Abstraction has 858 states and 1082 transitions. [2020-09-04 18:00:23,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 18:00:23,961 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1082 transitions. [2020-09-04 18:00:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 18:00:23,964 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 18:00:23,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 18:00:23,965 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 18:00:23,965 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 18:00:23,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 18:00:23,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1134176837, now seen corresponding path program 1 times [2020-09-04 18:00:23,966 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 18:00:23,966 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1910085307] [2020-09-04 18:00:23,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 18:00:23,969 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 18:00:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,361 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 18:00:24,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 18:00:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 18:00:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-04 18:00:24,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 18:00:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 18:00:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 18:00:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 18:00:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 18:00:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 18:00:24,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 18:00:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-04 18:00:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-04 18:00:24,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-04 18:00:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-04 18:00:24,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-04 18:00:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-04 18:00:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 18:00:24,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 18:00:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 18:00:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 18:00:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 18:00:24,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 18:00:24,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 18:00:24,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1910085307] [2020-09-04 18:00:24,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 18:00:24,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 18:00:24,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132974620] [2020-09-04 18:00:24,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 18:00:24,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 18:00:24,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 18:00:24,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 18:00:24,830 INFO L87 Difference]: Start difference. First operand 858 states and 1082 transitions. Second operand 8 states. [2020-09-04 18:00:25,054 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-09-04 18:00:25,252 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-09-04 18:00:25,900 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 18:00:26,061 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-09-04 18:00:26,263 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-09-04 18:00:26,622 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 18:00:26,843 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-09-04 18:00:31,578 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-09-04 18:00:36,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 18:00:36,439 INFO L93 Difference]: Finished difference Result 2202 states and 2869 transitions. [2020-09-04 18:00:36,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 18:00:36,440 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-09-04 18:00:36,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 18:00:36,448 INFO L225 Difference]: With dead ends: 2202 [2020-09-04 18:00:36,449 INFO L226 Difference]: Without dead ends: 1469 [2020-09-04 18:00:36,452 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-04 18:00:36,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1469 states. [2020-09-04 18:00:36,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1469 to 857. [2020-09-04 18:00:36,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 857 states. [2020-09-04 18:00:36,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 857 states and 1080 transitions. [2020-09-04 18:00:36,786 INFO L78 Accepts]: Start accepts. Automaton has 857 states and 1080 transitions. Word has length 386 [2020-09-04 18:00:36,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 18:00:36,786 INFO L479 AbstractCegarLoop]: Abstraction has 857 states and 1080 transitions. [2020-09-04 18:00:36,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 18:00:36,786 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1080 transitions. [2020-09-04 18:00:36,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 18:00:36,789 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 18:00:36,790 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 18:00:36,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 18:00:36,790 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 18:00:36,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 18:00:36,791 INFO L82 PathProgramCache]: Analyzing trace with hash -289633819, now seen corresponding path program 1 times [2020-09-04 18:00:36,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 18:00:36,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1094178045] [2020-09-04 18:00:36,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 18:00:36,794 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 18:00:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,213 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 18:00:37,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 18:00:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 18:00:37,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-04 18:00:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 18:00:37,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 18:00:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 18:00:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 18:00:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 18:00:37,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 18:00:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 18:00:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-04 18:00:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-04 18:00:37,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-04 18:00:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-04 18:00:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-04 18:00:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-04 18:00:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 18:00:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 18:00:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 18:00:37,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 18:00:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 18:00:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 18:00:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:37,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 18:00:37,664 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1094178045] [2020-09-04 18:00:37,665 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 18:00:37,665 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 18:00:37,665 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1464394816] [2020-09-04 18:00:37,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 18:00:37,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 18:00:37,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 18:00:37,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 18:00:37,667 INFO L87 Difference]: Start difference. First operand 857 states and 1080 transitions. Second operand 8 states. [2020-09-04 18:00:37,900 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-09-04 18:00:38,104 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-09-04 18:00:38,674 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 18:00:38,836 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-09-04 18:00:39,048 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-09-04 18:00:39,400 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 18:00:39,606 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-09-04 18:00:43,842 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-09-04 18:00:47,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 18:00:47,944 INFO L93 Difference]: Finished difference Result 2195 states and 2859 transitions. [2020-09-04 18:00:47,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 18:00:47,945 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 386 [2020-09-04 18:00:47,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 18:00:47,951 INFO L225 Difference]: With dead ends: 2195 [2020-09-04 18:00:47,951 INFO L226 Difference]: Without dead ends: 1468 [2020-09-04 18:00:47,954 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-04 18:00:47,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1468 states. [2020-09-04 18:00:48,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1468 to 856. [2020-09-04 18:00:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 856 states. [2020-09-04 18:00:48,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 856 states and 1078 transitions. [2020-09-04 18:00:48,349 INFO L78 Accepts]: Start accepts. Automaton has 856 states and 1078 transitions. Word has length 386 [2020-09-04 18:00:48,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 18:00:48,350 INFO L479 AbstractCegarLoop]: Abstraction has 856 states and 1078 transitions. [2020-09-04 18:00:48,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 18:00:48,350 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1078 transitions. [2020-09-04 18:00:48,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2020-09-04 18:00:48,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 18:00:48,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 18:00:48,353 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 18:00:48,353 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 18:00:48,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 18:00:48,354 INFO L82 PathProgramCache]: Analyzing trace with hash 1950333317, now seen corresponding path program 1 times [2020-09-04 18:00:48,354 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 18:00:48,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078246362] [2020-09-04 18:00:48,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 18:00:48,356 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 18:00:48,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,777 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 18:00:48,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 18:00:48,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 18:00:48,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-09-04 18:00:48,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-04 18:00:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 18:00:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-09-04 18:00:48,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 18:00:48,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 18:00:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-09-04 18:00:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:48,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-09-04 18:00:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-09-04 18:00:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-09-04 18:00:49,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-09-04 18:00:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-09-04 18:00:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-04 18:00:49,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-09-04 18:00:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-09-04 18:00:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 18:00:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-09-04 18:00:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 18:00:49,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-09-04 18:00:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 18:00:49,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 18:00:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 18:00:49,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078246362] [2020-09-04 18:00:49,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 18:00:49,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 18:00:49,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466868000] [2020-09-04 18:00:49,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 18:00:49,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 18:00:49,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 18:00:49,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 18:00:49,193 INFO L87 Difference]: Start difference. First operand 856 states and 1078 transitions. Second operand 7 states. [2020-09-04 18:00:49,418 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2020-09-04 18:00:49,621 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-09-04 18:00:50,301 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-09-04 18:00:50,458 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-09-04 18:00:53,772 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2020-09-04 18:00:54,421 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 168 [2020-09-04 18:01:07,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 18:01:07,244 INFO L93 Difference]: Finished difference Result 3444 states and 4580 transitions. [2020-09-04 18:01:07,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 18:01:07,245 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 386 [2020-09-04 18:01:07,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 18:01:07,263 INFO L225 Difference]: With dead ends: 3444 [2020-09-04 18:01:07,263 INFO L226 Difference]: Without dead ends: 2726 [2020-09-04 18:01:07,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-09-04 18:01:07,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2726 states. [2020-09-04 18:01:08,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2726 to 1736. [2020-09-04 18:01:08,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1736 states. [2020-09-04 18:01:08,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1736 states and 2254 transitions. [2020-09-04 18:01:08,289 INFO L78 Accepts]: Start accepts. Automaton has 1736 states and 2254 transitions. Word has length 386 [2020-09-04 18:01:08,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 18:01:08,290 INFO L479 AbstractCegarLoop]: Abstraction has 1736 states and 2254 transitions. [2020-09-04 18:01:08,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 18:01:08,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1736 states and 2254 transitions. [2020-09-04 18:01:08,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2020-09-04 18:01:08,294 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 18:01:08,295 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 18:01:08,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 18:01:08,295 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 18:01:08,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 18:01:08,295 INFO L82 PathProgramCache]: Analyzing trace with hash 1582248036, now seen corresponding path program 1 times [2020-09-04 18:01:08,296 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 18:01:08,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861940936] [2020-09-04 18:01:08,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 18:01:08,299 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 18:01:08,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 18:01:08,389 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 18:01:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-04 18:01:08,525 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-09-04 18:01:08,869 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-04 18:01:08,870 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-04 18:01:08,871 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 18:01:08,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 06:01:08 BoogieIcfgContainer [2020-09-04 18:01:08,916 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-04 18:01:08,918 INFO L168 Benchmark]: Toolchain (without parser) took 114353.62 ms. Allocated memory was 138.9 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 102.6 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-09-04 18:01:08,919 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-04 18:01:08,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.79 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.4 MB in the beginning and 173.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. [2020-09-04 18:01:08,920 INFO L168 Benchmark]: Boogie Preprocessor took 104.64 ms. Allocated memory is still 203.9 MB. Free memory was 173.5 MB in the beginning and 168.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. [2020-09-04 18:01:08,921 INFO L168 Benchmark]: RCFGBuilder took 1590.16 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 154.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. [2020-09-04 18:01:08,922 INFO L168 Benchmark]: TraceAbstraction took 111939.67 ms. Allocated memory was 236.5 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 154.9 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-09-04 18:01:08,925 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 713.79 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.4 MB in the beginning and 173.5 MB in the end (delta: -71.1 MB). Peak memory consumption was 33.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.64 ms. Allocated memory is still 203.9 MB. Free memory was 173.5 MB in the beginning and 168.4 MB in the end (delta: 5.1 MB). Peak memory consumption was 5.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1590.16 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.4 MB in the beginning and 154.9 MB in the end (delta: 13.5 MB). Peak memory consumption was 85.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 111939.67 ms. Allocated memory was 236.5 MB in the beginning and 1.4 GB in the end (delta: 1.1 GB). Free memory was 154.9 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 11]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L15] int m_pc = 0; [L16] int t1_pc = 0; [L17] int t2_pc = 0; [L18] int t3_pc = 0; [L19] int t4_pc = 0; [L20] int t5_pc = 0; [L21] int t6_pc = 0; [L22] int t7_pc = 0; [L23] int t8_pc = 0; [L24] int t9_pc = 0; [L25] int t10_pc = 0; [L26] int t11_pc = 0; [L27] int t12_pc = 0; [L28] int t13_pc = 0; [L29] int m_st ; [L30] int t1_st ; [L31] int t2_st ; [L32] int t3_st ; [L33] int t4_st ; [L34] int t5_st ; [L35] int t6_st ; [L36] int t7_st ; [L37] int t8_st ; [L38] int t9_st ; [L39] int t10_st ; [L40] int t11_st ; [L41] int t12_st ; [L42] int t13_st ; [L43] int m_i ; [L44] int t1_i ; [L45] int t2_i ; [L46] int t3_i ; [L47] int t4_i ; [L48] int t5_i ; [L49] int t6_i ; [L50] int t7_i ; [L51] int t8_i ; [L52] int t9_i ; [L53] int t10_i ; [L54] int t11_i ; [L55] int t12_i ; [L56] int t13_i ; [L57] int M_E = 2; [L58] int T1_E = 2; [L59] int T2_E = 2; [L60] int T3_E = 2; [L61] int T4_E = 2; [L62] int T5_E = 2; [L63] int T6_E = 2; [L64] int T7_E = 2; [L65] int T8_E = 2; [L66] int T9_E = 2; [L67] int T10_E = 2; [L68] int T11_E = 2; [L69] int T12_E = 2; [L70] int T13_E = 2; [L71] int E_1 = 2; [L72] int E_2 = 2; [L73] int E_3 = 2; [L74] int E_4 = 2; [L75] int E_5 = 2; [L76] int E_6 = 2; [L77] int E_7 = 2; [L78] int E_8 = 2; [L79] int E_9 = 2; [L80] int E_10 = 2; [L81] int E_11 = 2; [L82] int E_12 = 2; [L83] int E_13 = 2; [L1927] int __retres1 ; [L1931] CALL init_model() [L1830] m_i = 1 [L1831] t1_i = 1 [L1832] t2_i = 1 [L1833] t3_i = 1 [L1834] t4_i = 1 [L1835] t5_i = 1 [L1836] t6_i = 1 [L1837] t7_i = 1 [L1838] t8_i = 1 [L1839] t9_i = 1 [L1840] t10_i = 1 [L1841] t11_i = 1 [L1842] t12_i = 1 [L1843] t13_i = 1 [L1931] RET init_model() [L1932] CALL start_simulation() [L1868] int kernel_st ; [L1869] int tmp ; [L1870] int tmp___0 ; [L1874] kernel_st = 0 [L1875] FCALL update_channels() [L1876] CALL init_threads() [L871] COND TRUE m_i == 1 [L872] m_st = 0 [L876] COND TRUE t1_i == 1 [L877] t1_st = 0 [L881] COND TRUE t2_i == 1 [L882] t2_st = 0 [L886] COND TRUE t3_i == 1 [L887] t3_st = 0 [L891] COND TRUE t4_i == 1 [L892] t4_st = 0 [L896] COND TRUE t5_i == 1 [L897] t5_st = 0 [L901] COND TRUE t6_i == 1 [L902] t6_st = 0 [L906] COND TRUE t7_i == 1 [L907] t7_st = 0 [L911] COND TRUE t8_i == 1 [L912] t8_st = 0 [L916] COND TRUE t9_i == 1 [L917] t9_st = 0 [L921] COND TRUE t10_i == 1 [L922] t10_st = 0 [L926] COND TRUE t11_i == 1 [L927] t11_st = 0 [L931] COND TRUE t12_i == 1 [L932] t12_st = 0 [L936] COND TRUE t13_i == 1 [L937] t13_st = 0 [L1876] RET init_threads() [L1877] CALL fire_delta_events() [L1248] COND FALSE !(M_E == 0) [L1253] COND FALSE !(T1_E == 0) [L1258] COND FALSE !(T2_E == 0) [L1263] COND FALSE !(T3_E == 0) [L1268] COND FALSE !(T4_E == 0) [L1273] COND FALSE !(T5_E == 0) [L1278] COND FALSE !(T6_E == 0) [L1283] COND FALSE !(T7_E == 0) [L1288] COND FALSE !(T8_E == 0) [L1293] COND FALSE !(T9_E == 0) [L1298] COND FALSE !(T10_E == 0) [L1303] COND FALSE !(T11_E == 0) [L1308] COND FALSE !(T12_E == 0) [L1313] COND FALSE !(T13_E == 0) [L1318] COND FALSE !(E_1 == 0) [L1323] COND FALSE !(E_2 == 0) [L1328] COND FALSE !(E_3 == 0) [L1333] COND FALSE !(E_4 == 0) [L1338] COND FALSE !(E_5 == 0) [L1343] COND FALSE !(E_6 == 0) [L1348] COND FALSE !(E_7 == 0) [L1353] COND FALSE !(E_8 == 0) [L1358] COND FALSE !(E_9 == 0) [L1363] COND FALSE !(E_10 == 0) [L1368] COND FALSE !(E_11 == 0) [L1373] COND FALSE !(E_12 == 0) [L1378] COND FALSE !(E_13 == 0) [L1877] RET fire_delta_events() [L1878] CALL activate_threads() [L1531] int tmp ; [L1532] int tmp___0 ; [L1533] int tmp___1 ; [L1534] int tmp___2 ; [L1535] int tmp___3 ; [L1536] int tmp___4 ; [L1537] int tmp___5 ; [L1538] int tmp___6 ; [L1539] int tmp___7 ; [L1540] int tmp___8 ; [L1541] int tmp___9 ; [L1542] int tmp___10 ; [L1543] int tmp___11 ; [L1544] int tmp___12 ; [L1548] CALL, EXPR is_master_triggered() [L594] int __retres1 ; [L597] COND FALSE !(m_pc == 1) [L607] __retres1 = 0 [L609] return (__retres1); [L1548] RET, EXPR is_master_triggered() [L1548] tmp = is_master_triggered() [L1550] COND FALSE !(\read(tmp)) [L1556] CALL, EXPR is_transmit1_triggered() [L613] int __retres1 ; [L616] COND FALSE !(t1_pc == 1) [L626] __retres1 = 0 [L628] return (__retres1); [L1556] RET, EXPR is_transmit1_triggered() [L1556] tmp___0 = is_transmit1_triggered() [L1558] COND FALSE !(\read(tmp___0)) [L1564] CALL, EXPR is_transmit2_triggered() [L632] int __retres1 ; [L635] COND FALSE !(t2_pc == 1) [L645] __retres1 = 0 [L647] return (__retres1); [L1564] RET, EXPR is_transmit2_triggered() [L1564] tmp___1 = is_transmit2_triggered() [L1566] COND FALSE !(\read(tmp___1)) [L1572] CALL, EXPR is_transmit3_triggered() [L651] int __retres1 ; [L654] COND FALSE !(t3_pc == 1) [L664] __retres1 = 0 [L666] return (__retres1); [L1572] RET, EXPR is_transmit3_triggered() [L1572] tmp___2 = is_transmit3_triggered() [L1574] COND FALSE !(\read(tmp___2)) [L1580] CALL, EXPR is_transmit4_triggered() [L670] int __retres1 ; [L673] COND FALSE !(t4_pc == 1) [L683] __retres1 = 0 [L685] return (__retres1); [L1580] RET, EXPR is_transmit4_triggered() [L1580] tmp___3 = is_transmit4_triggered() [L1582] COND FALSE !(\read(tmp___3)) [L1588] CALL, EXPR is_transmit5_triggered() [L689] int __retres1 ; [L692] COND FALSE !(t5_pc == 1) [L702] __retres1 = 0 [L704] return (__retres1); [L1588] RET, EXPR is_transmit5_triggered() [L1588] tmp___4 = is_transmit5_triggered() [L1590] COND FALSE !(\read(tmp___4)) [L1596] CALL, EXPR is_transmit6_triggered() [L708] int __retres1 ; [L711] COND FALSE !(t6_pc == 1) [L721] __retres1 = 0 [L723] return (__retres1); [L1596] RET, EXPR is_transmit6_triggered() [L1596] tmp___5 = is_transmit6_triggered() [L1598] COND FALSE !(\read(tmp___5)) [L1604] CALL, EXPR is_transmit7_triggered() [L727] int __retres1 ; [L730] COND FALSE !(t7_pc == 1) [L740] __retres1 = 0 [L742] return (__retres1); [L1604] RET, EXPR is_transmit7_triggered() [L1604] tmp___6 = is_transmit7_triggered() [L1606] COND FALSE !(\read(tmp___6)) [L1612] CALL, EXPR is_transmit8_triggered() [L746] int __retres1 ; [L749] COND FALSE !(t8_pc == 1) [L759] __retres1 = 0 [L761] return (__retres1); [L1612] RET, EXPR is_transmit8_triggered() [L1612] tmp___7 = is_transmit8_triggered() [L1614] COND FALSE !(\read(tmp___7)) [L1620] CALL, EXPR is_transmit9_triggered() [L765] int __retres1 ; [L768] COND FALSE !(t9_pc == 1) [L778] __retres1 = 0 [L780] return (__retres1); [L1620] RET, EXPR is_transmit9_triggered() [L1620] tmp___8 = is_transmit9_triggered() [L1622] COND FALSE !(\read(tmp___8)) [L1628] CALL, EXPR is_transmit10_triggered() [L784] int __retres1 ; [L787] COND FALSE !(t10_pc == 1) [L797] __retres1 = 0 [L799] return (__retres1); [L1628] RET, EXPR is_transmit10_triggered() [L1628] tmp___9 = is_transmit10_triggered() [L1630] COND FALSE !(\read(tmp___9)) [L1636] CALL, EXPR is_transmit11_triggered() [L803] int __retres1 ; [L806] COND FALSE !(t11_pc == 1) [L816] __retres1 = 0 [L818] return (__retres1); [L1636] RET, EXPR is_transmit11_triggered() [L1636] tmp___10 = is_transmit11_triggered() [L1638] COND FALSE !(\read(tmp___10)) [L1644] CALL, EXPR is_transmit12_triggered() [L822] int __retres1 ; [L825] COND FALSE !(t12_pc == 1) [L835] __retres1 = 0 [L837] return (__retres1); [L1644] RET, EXPR is_transmit12_triggered() [L1644] tmp___11 = is_transmit12_triggered() [L1646] COND FALSE !(\read(tmp___11)) [L1652] CALL, EXPR is_transmit13_triggered() [L841] int __retres1 ; [L844] COND FALSE !(t13_pc == 1) [L854] __retres1 = 0 [L856] return (__retres1); [L1652] RET, EXPR is_transmit13_triggered() [L1652] tmp___12 = is_transmit13_triggered() [L1654] COND FALSE !(\read(tmp___12)) [L1878] RET activate_threads() [L1879] CALL reset_delta_events() [L1391] COND FALSE !(M_E == 1) [L1396] COND FALSE !(T1_E == 1) [L1401] COND FALSE !(T2_E == 1) [L1406] COND FALSE !(T3_E == 1) [L1411] COND FALSE !(T4_E == 1) [L1416] COND FALSE !(T5_E == 1) [L1421] COND FALSE !(T6_E == 1) [L1426] COND FALSE !(T7_E == 1) [L1431] COND FALSE !(T8_E == 1) [L1436] COND FALSE !(T9_E == 1) [L1441] COND FALSE !(T10_E == 1) [L1446] COND FALSE !(T11_E == 1) [L1451] COND FALSE !(T12_E == 1) [L1456] COND FALSE !(T13_E == 1) [L1461] COND FALSE !(E_1 == 1) [L1466] COND FALSE !(E_2 == 1) [L1471] COND FALSE !(E_3 == 1) [L1476] COND FALSE !(E_4 == 1) [L1481] COND FALSE !(E_5 == 1) [L1486] COND FALSE !(E_6 == 1) [L1491] COND FALSE !(E_7 == 1) [L1496] COND FALSE !(E_8 == 1) [L1501] COND FALSE !(E_9 == 1) [L1506] COND FALSE !(E_10 == 1) [L1511] COND FALSE !(E_11 == 1) [L1516] COND FALSE !(E_12 == 1) [L1521] COND FALSE !(E_13 == 1) [L1879] RET reset_delta_events() [L1882] COND TRUE 1 [L1885] kernel_st = 1 [L1886] CALL eval() [L1027] int tmp ; [L1031] COND TRUE 1 [L1034] CALL, EXPR exists_runnable_thread() [L946] int __retres1 ; [L949] COND TRUE m_st == 0 [L950] __retres1 = 1 [L1022] return (__retres1); [L1034] RET, EXPR exists_runnable_thread() [L1034] tmp = exists_runnable_thread() [L1036] COND TRUE \read(tmp) [L1041] COND TRUE m_st == 0 [L1042] int tmp_ndt_1; [L1043] tmp_ndt_1 = __VERIFIER_nondet_int() [L1044] COND FALSE !(\read(tmp_ndt_1)) [L1055] COND TRUE t1_st == 0 [L1056] int tmp_ndt_2; [L1057] tmp_ndt_2 = __VERIFIER_nondet_int() [L1058] COND FALSE !(\read(tmp_ndt_2)) [L1064] CALL error() [L11] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 45 procedures, 873 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 111.8s, OverallIterations: 9, TraceHistogramMax: 1, AutomataDifference: 99.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5826 SDtfs, 35030 SDslu, 1417 SDs, 0 SdLazy, 26955 SolverSat, 5039 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 66.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 511 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1736occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.6s AutomataMinimizationTime, 8 MinimizatonAttempts, 5274 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...