/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.16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 14:08:32,500 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 14:08:32,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 14:08:32,522 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 14:08:32,522 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 14:08:32,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 14:08:32,526 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 14:08:32,536 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 14:08:32,539 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 14:08:32,542 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 14:08:32,544 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 14:08:32,546 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 14:08:32,547 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 14:08:32,548 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 14:08:32,551 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 14:08:32,552 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 14:08:32,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 14:08:32,554 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 14:08:32,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 14:08:32,560 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 14:08:32,565 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 14:08:32,568 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 14:08:32,569 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 14:08:32,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 14:08:32,572 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 14:08:32,572 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 14:08:32,572 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 14:08:32,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 14:08:32,575 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 14:08:32,576 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 14:08:32,576 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 14:08:32,577 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 14:08:32,579 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 14:08:32,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 14:08:32,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 14:08:32,581 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 14:08:32,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 14:08:32,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 14:08:32,581 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 14:08:32,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 14:08:32,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 14:08:32,584 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 14:08:32,604 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 14:08:32,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 14:08:32,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 14:08:32,614 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 14:08:32,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 14:08:32,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 14:08:32,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 14:08:32,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 14:08:32,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 14:08:32,617 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 14:08:32,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 14:08:32,617 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 14:08:32,617 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 14:08:32,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 14:08:32,618 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 14:08:32,618 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 14:08:32,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 14:08:32,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 14:08:32,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 14:08:32,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 14:08:32,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 14:08:32,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 14:08:32,620 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 14:08:32,903 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 14:08:32,916 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 14:08:32,920 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 14:08:32,921 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 14:08:32,922 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 14:08:32,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-07-07 14:08:32,998 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787a4ef1e/a92ce873f414455c8f067ce57bb76155/FLAG9d624a6c2 [2020-07-07 14:08:33,512 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 14:08:33,513 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-07-07 14:08:33,529 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787a4ef1e/a92ce873f414455c8f067ce57bb76155/FLAG9d624a6c2 [2020-07-07 14:08:33,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/787a4ef1e/a92ce873f414455c8f067ce57bb76155 [2020-07-07 14:08:33,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 14:08:33,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 14:08:33,834 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 14:08:33,834 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 14:08:33,838 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 14:08:33,839 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:08:33" (1/1) ... [2020-07-07 14:08:33,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50e796ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:33, skipping insertion in model container [2020-07-07 14:08:33,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 02:08:33" (1/1) ... [2020-07-07 14:08:33,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 14:08:33,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 14:08:34,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:08:34,295 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 14:08:34,538 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 14:08:34,574 INFO L208 MainTranslator]: Completed translation [2020-07-07 14:08:34,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34 WrapperNode [2020-07-07 14:08:34,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 14:08:34,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 14:08:34,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 14:08:34,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 14:08:34,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34" (1/1) ... [2020-07-07 14:08:34,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34" (1/1) ... [2020-07-07 14:08:34,602 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34" (1/1) ... [2020-07-07 14:08:34,602 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34" (1/1) ... [2020-07-07 14:08:34,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34" (1/1) ... [2020-07-07 14:08:34,662 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34" (1/1) ... [2020-07-07 14:08:34,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34" (1/1) ... [2020-07-07 14:08:34,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 14:08:34,675 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 14:08:34,675 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 14:08:34,675 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 14:08:34,676 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 14:08:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 14:08:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 14:08:34,747 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-07 14:08:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-07-07 14:08:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-07-07 14:08:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-07-07 14:08:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-07-07 14:08:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-07-07 14:08:34,748 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-07-07 14:08:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-07-07 14:08:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-07-07 14:08:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-07-07 14:08:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-07-07 14:08:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-07-07 14:08:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-07-07 14:08:34,749 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-07-07 14:08:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-07-07 14:08:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit14 [2020-07-07 14:08:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-07-07 14:08:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-07-07 14:08:34,750 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-07-07 14:08:34,753 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-07-07 14:08:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-07-07 14:08:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-07-07 14:08:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-07-07 14:08:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-07-07 14:08:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-07-07 14:08:34,754 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-07-07 14:08:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-07-07 14:08:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-07-07 14:08:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-07-07 14:08:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-07-07 14:08:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit14_triggered [2020-07-07 14:08:34,755 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-07 14:08:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-07 14:08:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-07 14:08:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-07 14:08:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-07 14:08:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-07 14:08:34,756 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-07 14:08:34,758 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-07-07 14:08:34,758 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-07 14:08:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-07 14:08:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-07 14:08:34,759 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-07 14:08:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-07 14:08:34,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 14:08:34,760 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 14:08:34,761 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 14:08:34,761 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-07 14:08:34,761 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-07-07 14:08:34,761 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-07-07 14:08:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-07-07 14:08:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-07-07 14:08:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-07-07 14:08:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-07-07 14:08:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-07-07 14:08:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-07-07 14:08:34,762 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-07-07 14:08:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-07-07 14:08:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-07-07 14:08:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-07-07 14:08:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-07-07 14:08:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-07-07 14:08:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit14_triggered [2020-07-07 14:08:34,763 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-07-07 14:08:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-07-07 14:08:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-07-07 14:08:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-07-07 14:08:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-07-07 14:08:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-07-07 14:08:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-07-07 14:08:34,764 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-07-07 14:08:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-07-07 14:08:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-07-07 14:08:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-07-07 14:08:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-07-07 14:08:34,765 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-07-07 14:08:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-07-07 14:08:34,766 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-07-07 14:08:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure transmit14 [2020-07-07 14:08:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-07 14:08:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-07 14:08:34,767 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-07 14:08:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-07 14:08:34,768 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-07 14:08:34,769 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-07 14:08:34,770 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-07 14:08:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-07 14:08:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-07 14:08:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-07 14:08:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-07 14:08:34,771 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-07 14:08:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 14:08:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 14:08:34,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 14:08:36,299 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 14:08:36,299 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-07-07 14:08:36,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:08:36 BoogieIcfgContainer [2020-07-07 14:08:36,312 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 14:08:36,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 14:08:36,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 14:08:36,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 14:08:36,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 02:08:33" (1/3) ... [2020-07-07 14:08:36,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcdf85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:08:36, skipping insertion in model container [2020-07-07 14:08:36,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 02:08:34" (2/3) ... [2020-07-07 14:08:36,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fcdf85d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 02:08:36, skipping insertion in model container [2020-07-07 14:08:36,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 02:08:36" (3/3) ... [2020-07-07 14:08:36,319 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.16.cil.c [2020-07-07 14:08:36,329 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 14:08:36,337 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 14:08:36,348 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 14:08:36,370 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 14:08:36,370 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 14:08:36,371 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 14:08:36,371 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 14:08:36,371 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 14:08:36,371 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 14:08:36,372 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 14:08:36,372 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 14:08:36,399 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states. [2020-07-07 14:08:36,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-07-07 14:08:36,438 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:08:36,440 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:08:36,440 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:08:36,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:08:36,447 INFO L82 PathProgramCache]: Analyzing trace with hash -2106220204, now seen corresponding path program 1 times [2020-07-07 14:08:36,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:08:36,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721381104] [2020-07-07 14:08:36,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:08:36,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,409 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-07-07 14:08:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:37,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:08:38,089 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:08:38,092 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721381104] [2020-07-07 14:08:38,094 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:08:38,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:08:38,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [499462817] [2020-07-07 14:08:38,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:08:38,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:08:38,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:08:38,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:08:38,114 INFO L87 Difference]: Start difference. First operand 926 states. Second operand 8 states. [2020-07-07 14:08:38,336 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-07 14:08:38,547 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-07 14:08:39,169 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-07-07 14:08:39,312 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-07 14:08:39,724 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-07 14:08:39,951 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-07 14:08:44,662 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-07 14:08:49,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:08:49,115 INFO L93 Difference]: Finished difference Result 2394 states and 3287 transitions. [2020-07-07 14:08:49,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:08:49,118 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-07-07 14:08:49,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:08:49,177 INFO L225 Difference]: With dead ends: 2394 [2020-07-07 14:08:49,178 INFO L226 Difference]: Without dead ends: 1560 [2020-07-07 14:08:49,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:08:49,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2020-07-07 14:08:49,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 915. [2020-07-07 14:08:49,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2020-07-07 14:08:49,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1158 transitions. [2020-07-07 14:08:49,832 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1158 transitions. Word has length 410 [2020-07-07 14:08:49,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:08:49,836 INFO L479 AbstractCegarLoop]: Abstraction has 915 states and 1158 transitions. [2020-07-07 14:08:49,836 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:08:49,836 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1158 transitions. [2020-07-07 14:08:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-07-07 14:08:49,856 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:08:49,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:08:49,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 14:08:49,857 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:08:49,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:08:49,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1066186508, now seen corresponding path program 1 times [2020-07-07 14:08:49,858 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:08:49,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97360435] [2020-07-07 14:08:49,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:08:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,316 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-07-07 14:08:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:08:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:08:51,025 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:08:51,026 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97360435] [2020-07-07 14:08:51,026 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:08:51,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:08:51,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671478254] [2020-07-07 14:08:51,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:08:51,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:08:51,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:08:51,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:08:51,029 INFO L87 Difference]: Start difference. First operand 915 states and 1158 transitions. Second operand 8 states. [2020-07-07 14:08:51,297 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-07 14:08:51,953 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-07-07 14:08:52,099 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-07 14:08:52,227 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-07 14:08:52,584 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-07 14:08:52,766 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-07 14:08:57,287 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-07 14:09:01,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:09:01,496 INFO L93 Difference]: Finished difference Result 2363 states and 3085 transitions. [2020-07-07 14:09:01,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:09:01,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-07-07 14:09:01,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:09:01,509 INFO L225 Difference]: With dead ends: 2363 [2020-07-07 14:09:01,509 INFO L226 Difference]: Without dead ends: 1559 [2020-07-07 14:09:01,514 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:09:01,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2020-07-07 14:09:01,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 914. [2020-07-07 14:09:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-07-07 14:09:01,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1156 transitions. [2020-07-07 14:09:01,867 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1156 transitions. Word has length 410 [2020-07-07 14:09:01,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:09:01,868 INFO L479 AbstractCegarLoop]: Abstraction has 914 states and 1156 transitions. [2020-07-07 14:09:01,868 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:09:01,869 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1156 transitions. [2020-07-07 14:09:01,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-07-07 14:09:01,873 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:09:01,873 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:09:01,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 14:09:01,874 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:09:01,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:09:01,874 INFO L82 PathProgramCache]: Analyzing trace with hash -642400108, now seen corresponding path program 1 times [2020-07-07 14:09:01,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:09:01,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310552288] [2020-07-07 14:09:01,875 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:09:01,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,203 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-07-07 14:09:02,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:02,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:09:02,797 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:09:02,797 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310552288] [2020-07-07 14:09:02,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:09:02,798 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:09:02,798 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256786910] [2020-07-07 14:09:02,799 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:09:02,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:09:02,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:09:02,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:09:02,803 INFO L87 Difference]: Start difference. First operand 914 states and 1156 transitions. Second operand 8 states. [2020-07-07 14:09:02,997 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-07 14:09:03,220 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-07 14:09:03,786 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-07-07 14:09:03,919 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-07 14:09:04,063 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-07 14:09:04,406 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-07 14:09:04,581 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-07 14:09:09,031 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-07 14:09:14,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:09:14,252 INFO L93 Difference]: Finished difference Result 2356 states and 3075 transitions. [2020-07-07 14:09:14,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:09:14,253 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-07-07 14:09:14,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:09:14,267 INFO L225 Difference]: With dead ends: 2356 [2020-07-07 14:09:14,267 INFO L226 Difference]: Without dead ends: 1558 [2020-07-07 14:09:14,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:09:14,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1558 states. [2020-07-07 14:09:15,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1558 to 913. [2020-07-07 14:09:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2020-07-07 14:09:15,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1154 transitions. [2020-07-07 14:09:15,154 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1154 transitions. Word has length 410 [2020-07-07 14:09:15,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:09:15,156 INFO L479 AbstractCegarLoop]: Abstraction has 913 states and 1154 transitions. [2020-07-07 14:09:15,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:09:15,157 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1154 transitions. [2020-07-07 14:09:15,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-07-07 14:09:15,165 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:09:15,166 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:09:15,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 14:09:15,166 INFO L427 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:09:15,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:09:15,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1361381428, now seen corresponding path program 1 times [2020-07-07 14:09:15,168 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:09:15,169 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [984371716] [2020-07-07 14:09:15,169 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:09:15,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:15,748 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-07-07 14:09:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:15,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:16,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:09:16,468 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:09:16,469 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [984371716] [2020-07-07 14:09:16,469 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:09:16,470 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:09:16,470 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270554827] [2020-07-07 14:09:16,471 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:09:16,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:09:16,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:09:16,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:09:16,472 INFO L87 Difference]: Start difference. First operand 913 states and 1154 transitions. Second operand 8 states. [2020-07-07 14:09:16,721 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-07 14:09:16,966 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-07 14:09:17,569 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-07-07 14:09:17,718 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-07 14:09:17,869 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-07 14:09:18,194 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-07 14:09:18,372 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-07 14:09:22,807 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-07 14:09:27,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:09:27,552 INFO L93 Difference]: Finished difference Result 2349 states and 3065 transitions. [2020-07-07 14:09:27,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:09:27,560 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-07-07 14:09:27,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:09:27,569 INFO L225 Difference]: With dead ends: 2349 [2020-07-07 14:09:27,569 INFO L226 Difference]: Without dead ends: 1557 [2020-07-07 14:09:27,573 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:09:27,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1557 states. [2020-07-07 14:09:27,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1557 to 912. [2020-07-07 14:09:27,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-07-07 14:09:27,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1152 transitions. [2020-07-07 14:09:27,903 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1152 transitions. Word has length 410 [2020-07-07 14:09:27,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:09:27,903 INFO L479 AbstractCegarLoop]: Abstraction has 912 states and 1152 transitions. [2020-07-07 14:09:27,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:09:27,903 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1152 transitions. [2020-07-07 14:09:27,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-07-07 14:09:27,907 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:09:27,907 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:09:27,908 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 14:09:27,908 INFO L427 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:09:27,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:09:27,908 INFO L82 PathProgramCache]: Analyzing trace with hash 1571364820, now seen corresponding path program 1 times [2020-07-07 14:09:27,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:09:27,909 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1087288471] [2020-07-07 14:09:27,909 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:09:27,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,247 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-07-07 14:09:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:28,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:09:28,721 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:09:28,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1087288471] [2020-07-07 14:09:28,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:09:28,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:09:28,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037704339] [2020-07-07 14:09:28,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:09:28,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:09:28,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:09:28,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:09:28,723 INFO L87 Difference]: Start difference. First operand 912 states and 1152 transitions. Second operand 8 states. [2020-07-07 14:09:28,905 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-07 14:09:29,082 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-07 14:09:29,648 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-07-07 14:09:29,784 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-07 14:09:29,946 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-07 14:09:30,260 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-07 14:09:30,435 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-07 14:09:34,813 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-07 14:09:39,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:09:39,473 INFO L93 Difference]: Finished difference Result 2342 states and 3055 transitions. [2020-07-07 14:09:39,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:09:39,474 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-07-07 14:09:39,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:09:39,483 INFO L225 Difference]: With dead ends: 2342 [2020-07-07 14:09:39,484 INFO L226 Difference]: Without dead ends: 1556 [2020-07-07 14:09:39,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:09:39,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2020-07-07 14:09:39,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 911. [2020-07-07 14:09:39,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 911 states. [2020-07-07 14:09:39,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1150 transitions. [2020-07-07 14:09:39,948 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1150 transitions. Word has length 410 [2020-07-07 14:09:39,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:09:39,949 INFO L479 AbstractCegarLoop]: Abstraction has 911 states and 1150 transitions. [2020-07-07 14:09:39,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:09:39,949 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1150 transitions. [2020-07-07 14:09:39,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-07-07 14:09:39,952 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:09:39,952 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:09:39,953 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 14:09:39,953 INFO L427 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:09:39,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:09:39,953 INFO L82 PathProgramCache]: Analyzing trace with hash -366344332, now seen corresponding path program 1 times [2020-07-07 14:09:39,954 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:09:39,954 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [233364486] [2020-07-07 14:09:39,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:09:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,340 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-07-07 14:09:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:40,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:09:40,755 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:09:40,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [233364486] [2020-07-07 14:09:40,756 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:09:40,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:09:40,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251707617] [2020-07-07 14:09:40,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:09:40,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:09:40,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:09:40,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:09:40,758 INFO L87 Difference]: Start difference. First operand 911 states and 1150 transitions. Second operand 8 states. [2020-07-07 14:09:40,940 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-07 14:09:41,104 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-07 14:09:41,673 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-07-07 14:09:41,860 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-07 14:09:42,030 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-07 14:09:42,332 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-07 14:09:42,501 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-07 14:09:46,894 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-07 14:09:51,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:09:51,544 INFO L93 Difference]: Finished difference Result 2335 states and 3045 transitions. [2020-07-07 14:09:51,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:09:51,544 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-07-07 14:09:51,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:09:51,553 INFO L225 Difference]: With dead ends: 2335 [2020-07-07 14:09:51,553 INFO L226 Difference]: Without dead ends: 1555 [2020-07-07 14:09:51,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:09:51,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1555 states. [2020-07-07 14:09:51,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1555 to 910. [2020-07-07 14:09:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 910 states. [2020-07-07 14:09:51,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 910 states and 1148 transitions. [2020-07-07 14:09:51,922 INFO L78 Accepts]: Start accepts. Automaton has 910 states and 1148 transitions. Word has length 410 [2020-07-07 14:09:51,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:09:51,923 INFO L479 AbstractCegarLoop]: Abstraction has 910 states and 1148 transitions. [2020-07-07 14:09:51,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:09:51,923 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1148 transitions. [2020-07-07 14:09:51,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-07-07 14:09:51,926 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:09:51,926 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:09:51,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 14:09:51,927 INFO L427 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:09:51,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:09:51,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1785741548, now seen corresponding path program 1 times [2020-07-07 14:09:51,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:09:51,928 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742348718] [2020-07-07 14:09:51,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:09:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,248 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-07-07 14:09:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:09:52,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:09:52,653 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:09:52,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742348718] [2020-07-07 14:09:52,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:09:52,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:09:52,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289278578] [2020-07-07 14:09:52,655 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:09:52,655 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:09:52,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:09:52,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:09:52,655 INFO L87 Difference]: Start difference. First operand 910 states and 1148 transitions. Second operand 8 states. [2020-07-07 14:09:52,897 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-07 14:09:53,072 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-07 14:09:53,633 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-07-07 14:09:53,765 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-07 14:09:53,945 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-07 14:09:54,241 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-07 14:09:54,416 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-07 14:09:58,791 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-07 14:10:03,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:10:03,444 INFO L93 Difference]: Finished difference Result 2328 states and 3035 transitions. [2020-07-07 14:10:03,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:10:03,445 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-07-07 14:10:03,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:10:03,452 INFO L225 Difference]: With dead ends: 2328 [2020-07-07 14:10:03,452 INFO L226 Difference]: Without dead ends: 1554 [2020-07-07 14:10:03,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:10:03,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1554 states. [2020-07-07 14:10:03,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1554 to 909. [2020-07-07 14:10:03,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 909 states. [2020-07-07 14:10:03,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 909 states and 1146 transitions. [2020-07-07 14:10:03,848 INFO L78 Accepts]: Start accepts. Automaton has 909 states and 1146 transitions. Word has length 410 [2020-07-07 14:10:03,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:10:03,849 INFO L479 AbstractCegarLoop]: Abstraction has 909 states and 1146 transitions. [2020-07-07 14:10:03,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:10:03,849 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1146 transitions. [2020-07-07 14:10:03,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-07-07 14:10:03,852 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:10:03,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:10:03,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 14:10:03,852 INFO L427 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:10:03,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:10:03,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1295890764, now seen corresponding path program 1 times [2020-07-07 14:10:03,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:10:03,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [234084508] [2020-07-07 14:10:03,853 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:10:03,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,228 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-07-07 14:10:04,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:04,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:10:04,729 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:10:04,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [234084508] [2020-07-07 14:10:04,730 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:10:04,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 14:10:04,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907083845] [2020-07-07 14:10:04,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 14:10:04,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:10:04,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 14:10:04,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 14:10:04,732 INFO L87 Difference]: Start difference. First operand 909 states and 1146 transitions. Second operand 8 states. [2020-07-07 14:10:04,912 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-07 14:10:05,113 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-07 14:10:05,690 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-07-07 14:10:05,832 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-07-07 14:10:06,032 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-07 14:10:06,315 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-07 14:10:06,490 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-07 14:10:10,859 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-07 14:10:15,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:10:15,561 INFO L93 Difference]: Finished difference Result 2321 states and 3025 transitions. [2020-07-07 14:10:15,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 14:10:15,562 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-07-07 14:10:15,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:10:15,568 INFO L225 Difference]: With dead ends: 2321 [2020-07-07 14:10:15,568 INFO L226 Difference]: Without dead ends: 1553 [2020-07-07 14:10:15,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-07-07 14:10:15,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1553 states. [2020-07-07 14:10:15,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1553 to 908. [2020-07-07 14:10:15,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 908 states. [2020-07-07 14:10:15,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 908 states and 1144 transitions. [2020-07-07 14:10:15,964 INFO L78 Accepts]: Start accepts. Automaton has 908 states and 1144 transitions. Word has length 410 [2020-07-07 14:10:15,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:10:15,964 INFO L479 AbstractCegarLoop]: Abstraction has 908 states and 1144 transitions. [2020-07-07 14:10:15,964 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 14:10:15,964 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1144 transitions. [2020-07-07 14:10:15,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-07-07 14:10:15,967 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:10:15,967 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:10:15,967 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 14:10:15,968 INFO L427 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:10:15,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:10:15,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1219075668, now seen corresponding path program 1 times [2020-07-07 14:10:15,968 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:10:15,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1377866373] [2020-07-07 14:10:15,969 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:10:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,322 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-07-07 14:10:16,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 14:10:16,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 14:10:16,684 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:10:16,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1377866373] [2020-07-07 14:10:16,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 14:10:16,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-07 14:10:16,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769951949] [2020-07-07 14:10:16,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-07 14:10:16,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 14:10:16,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-07 14:10:16,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-07 14:10:16,687 INFO L87 Difference]: Start difference. First operand 908 states and 1144 transitions. Second operand 7 states. [2020-07-07 14:10:16,860 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-07-07 14:10:17,032 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-07-07 14:10:17,611 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-07-07 14:10:17,745 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-07-07 14:10:20,988 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-07-07 14:10:21,547 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-07-07 14:10:33,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 14:10:33,614 INFO L93 Difference]: Finished difference Result 3648 states and 4851 transitions. [2020-07-07 14:10:33,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-07 14:10:33,614 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 410 [2020-07-07 14:10:33,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 14:10:33,632 INFO L225 Difference]: With dead ends: 3648 [2020-07-07 14:10:33,632 INFO L226 Difference]: Without dead ends: 2886 [2020-07-07 14:10:33,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2020-07-07 14:10:33,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-07-07 14:10:34,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 1841. [2020-07-07 14:10:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2020-07-07 14:10:34,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2390 transitions. [2020-07-07 14:10:34,785 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2390 transitions. Word has length 410 [2020-07-07 14:10:34,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 14:10:34,786 INFO L479 AbstractCegarLoop]: Abstraction has 1841 states and 2390 transitions. [2020-07-07 14:10:34,786 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-07 14:10:34,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2390 transitions. [2020-07-07 14:10:34,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 416 [2020-07-07 14:10:34,790 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 14:10:34,790 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 14:10:34,790 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 14:10:34,791 INFO L427 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 14:10:34,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 14:10:34,791 INFO L82 PathProgramCache]: Analyzing trace with hash 1492346934, now seen corresponding path program 1 times [2020-07-07 14:10:34,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 14:10:34,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184269883] [2020-07-07 14:10:34,792 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 14:10:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 14:10:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-07 14:10:35,540 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 14:10:35,540 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-07 14:10:35,540 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-07 14:10:35,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 14:10:35,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.07 02:10:35 BoogieIcfgContainer [2020-07-07 14:10:35,592 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-07 14:10:35,593 INFO L168 Benchmark]: Toolchain (without parser) took 121764.63 ms. Allocated memory was 137.9 MB in the beginning and 1.6 GB in the end (delta: 1.5 GB). Free memory was 101.8 MB in the beginning and 323.5 MB in the end (delta: -221.7 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2020-07-07 14:10:35,594 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 14:10:35,595 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.87 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 101.4 MB in the beginning and 173.8 MB in the end (delta: -72.5 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. [2020-07-07 14:10:35,595 INFO L168 Benchmark]: Boogie Preprocessor took 99.50 ms. Allocated memory is still 205.0 MB. Free memory was 173.8 MB in the beginning and 168.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2020-07-07 14:10:35,596 INFO L168 Benchmark]: RCFGBuilder took 1636.74 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 168.9 MB in the beginning and 147.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. [2020-07-07 14:10:35,597 INFO L168 Benchmark]: TraceAbstraction took 119279.10 ms. Allocated memory was 237.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 147.2 MB in the beginning and 323.5 MB in the end (delta: -176.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2020-07-07 14:10:35,600 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 740.87 ms. Allocated memory was 137.9 MB in the beginning and 205.0 MB in the end (delta: 67.1 MB). Free memory was 101.4 MB in the beginning and 173.8 MB in the end (delta: -72.5 MB). Peak memory consumption was 35.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.50 ms. Allocated memory is still 205.0 MB. Free memory was 173.8 MB in the beginning and 168.9 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1636.74 ms. Allocated memory was 205.0 MB in the beginning and 237.5 MB in the end (delta: 32.5 MB). Free memory was 168.9 MB in the beginning and 147.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 84.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 119279.10 ms. Allocated memory was 237.5 MB in the beginning and 1.6 GB in the end (delta: 1.4 GB). Free memory was 147.2 MB in the beginning and 323.5 MB in the end (delta: -176.3 MB). 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 t14_pc = 0; [L30] int m_st ; [L31] int t1_st ; [L32] int t2_st ; [L33] int t3_st ; [L34] int t4_st ; [L35] int t5_st ; [L36] int t6_st ; [L37] int t7_st ; [L38] int t8_st ; [L39] int t9_st ; [L40] int t10_st ; [L41] int t11_st ; [L42] int t12_st ; [L43] int t13_st ; [L44] int t14_st ; [L45] int m_i ; [L46] int t1_i ; [L47] int t2_i ; [L48] int t3_i ; [L49] int t4_i ; [L50] int t5_i ; [L51] int t6_i ; [L52] int t7_i ; [L53] int t8_i ; [L54] int t9_i ; [L55] int t10_i ; [L56] int t11_i ; [L57] int t12_i ; [L58] int t13_i ; [L59] int t14_i ; [L60] int M_E = 2; [L61] int T1_E = 2; [L62] int T2_E = 2; [L63] int T3_E = 2; [L64] int T4_E = 2; [L65] int T5_E = 2; [L66] int T6_E = 2; [L67] int T7_E = 2; [L68] int T8_E = 2; [L69] int T9_E = 2; [L70] int T10_E = 2; [L71] int T11_E = 2; [L72] int T12_E = 2; [L73] int T13_E = 2; [L74] int T14_E = 2; [L75] int E_1 = 2; [L76] int E_2 = 2; [L77] int E_3 = 2; [L78] int E_4 = 2; [L79] int E_5 = 2; [L80] int E_6 = 2; [L81] int E_7 = 2; [L82] int E_8 = 2; [L83] int E_9 = 2; [L84] int E_10 = 2; [L85] int E_11 = 2; [L86] int E_12 = 2; [L87] int E_13 = 2; [L88] int E_14 = 2; [L2052] int __retres1 ; [L2056] CALL init_model() [L1954] m_i = 1 [L1955] t1_i = 1 [L1956] t2_i = 1 [L1957] t3_i = 1 [L1958] t4_i = 1 [L1959] t5_i = 1 [L1960] t6_i = 1 [L1961] t7_i = 1 [L1962] t8_i = 1 [L1963] t9_i = 1 [L1964] t10_i = 1 [L1965] t11_i = 1 [L1966] t12_i = 1 [L1967] t13_i = 1 [L1968] t14_i = 1 [L2056] RET init_model() [L2057] CALL start_simulation() [L1993] int kernel_st ; [L1994] int tmp ; [L1995] int tmp___0 ; [L1999] kernel_st = 0 [L2000] FCALL update_channels() [L2001] CALL init_threads() [L929] COND TRUE m_i == 1 [L930] m_st = 0 [L934] COND TRUE t1_i == 1 [L935] t1_st = 0 [L939] COND TRUE t2_i == 1 [L940] t2_st = 0 [L944] COND TRUE t3_i == 1 [L945] t3_st = 0 [L949] COND TRUE t4_i == 1 [L950] t4_st = 0 [L954] COND TRUE t5_i == 1 [L955] t5_st = 0 [L959] COND TRUE t6_i == 1 [L960] t6_st = 0 [L964] COND TRUE t7_i == 1 [L965] t7_st = 0 [L969] COND TRUE t8_i == 1 [L970] t8_st = 0 [L974] COND TRUE t9_i == 1 [L975] t9_st = 0 [L979] COND TRUE t10_i == 1 [L980] t10_st = 0 [L984] COND TRUE t11_i == 1 [L985] t11_st = 0 [L989] COND TRUE t12_i == 1 [L990] t12_st = 0 [L994] COND TRUE t13_i == 1 [L995] t13_st = 0 [L999] COND TRUE t14_i == 1 [L1000] t14_st = 0 [L2001] RET init_threads() [L2002] CALL fire_delta_events() [L1332] COND FALSE !(M_E == 0) [L1337] COND FALSE !(T1_E == 0) [L1342] COND FALSE !(T2_E == 0) [L1347] COND FALSE !(T3_E == 0) [L1352] COND FALSE !(T4_E == 0) [L1357] COND FALSE !(T5_E == 0) [L1362] COND FALSE !(T6_E == 0) [L1367] COND FALSE !(T7_E == 0) [L1372] COND FALSE !(T8_E == 0) [L1377] COND FALSE !(T9_E == 0) [L1382] COND FALSE !(T10_E == 0) [L1387] COND FALSE !(T11_E == 0) [L1392] COND FALSE !(T12_E == 0) [L1397] COND FALSE !(T13_E == 0) [L1402] COND FALSE !(T14_E == 0) [L1407] COND FALSE !(E_1 == 0) [L1412] COND FALSE !(E_2 == 0) [L1417] COND FALSE !(E_3 == 0) [L1422] COND FALSE !(E_4 == 0) [L1427] COND FALSE !(E_5 == 0) [L1432] COND FALSE !(E_6 == 0) [L1437] COND FALSE !(E_7 == 0) [L1442] COND FALSE !(E_8 == 0) [L1447] COND FALSE !(E_9 == 0) [L1452] COND FALSE !(E_10 == 0) [L1457] COND FALSE !(E_11 == 0) [L1462] COND FALSE !(E_12 == 0) [L1467] COND FALSE !(E_13 == 0) [L1472] COND FALSE !(E_14 == 0) [L2002] RET fire_delta_events() [L2003] CALL activate_threads() [L1635] int tmp ; [L1636] int tmp___0 ; [L1637] int tmp___1 ; [L1638] int tmp___2 ; [L1639] int tmp___3 ; [L1640] int tmp___4 ; [L1641] int tmp___5 ; [L1642] int tmp___6 ; [L1643] int tmp___7 ; [L1644] int tmp___8 ; [L1645] int tmp___9 ; [L1646] int tmp___10 ; [L1647] int tmp___11 ; [L1648] int tmp___12 ; [L1649] int tmp___13 ; [L1654] CALL, EXPR is_master_triggered() [L633] int __retres1 ; [L636] COND FALSE !(m_pc == 1) [L646] __retres1 = 0 [L648] return (__retres1); [L1654] RET, EXPR is_master_triggered() [L1654] tmp = is_master_triggered() [L1656] COND FALSE !(\read(tmp)) [L1662] CALL, EXPR is_transmit1_triggered() [L652] int __retres1 ; [L655] COND FALSE !(t1_pc == 1) [L665] __retres1 = 0 [L667] return (__retres1); [L1662] RET, EXPR is_transmit1_triggered() [L1662] tmp___0 = is_transmit1_triggered() [L1664] COND FALSE !(\read(tmp___0)) [L1670] CALL, EXPR is_transmit2_triggered() [L671] int __retres1 ; [L674] COND FALSE !(t2_pc == 1) [L684] __retres1 = 0 [L686] return (__retres1); [L1670] RET, EXPR is_transmit2_triggered() [L1670] tmp___1 = is_transmit2_triggered() [L1672] COND FALSE !(\read(tmp___1)) [L1678] CALL, EXPR is_transmit3_triggered() [L690] int __retres1 ; [L693] COND FALSE !(t3_pc == 1) [L703] __retres1 = 0 [L705] return (__retres1); [L1678] RET, EXPR is_transmit3_triggered() [L1678] tmp___2 = is_transmit3_triggered() [L1680] COND FALSE !(\read(tmp___2)) [L1686] CALL, EXPR is_transmit4_triggered() [L709] int __retres1 ; [L712] COND FALSE !(t4_pc == 1) [L722] __retres1 = 0 [L724] return (__retres1); [L1686] RET, EXPR is_transmit4_triggered() [L1686] tmp___3 = is_transmit4_triggered() [L1688] COND FALSE !(\read(tmp___3)) [L1694] CALL, EXPR is_transmit5_triggered() [L728] int __retres1 ; [L731] COND FALSE !(t5_pc == 1) [L741] __retres1 = 0 [L743] return (__retres1); [L1694] RET, EXPR is_transmit5_triggered() [L1694] tmp___4 = is_transmit5_triggered() [L1696] COND FALSE !(\read(tmp___4)) [L1702] CALL, EXPR is_transmit6_triggered() [L747] int __retres1 ; [L750] COND FALSE !(t6_pc == 1) [L760] __retres1 = 0 [L762] return (__retres1); [L1702] RET, EXPR is_transmit6_triggered() [L1702] tmp___5 = is_transmit6_triggered() [L1704] COND FALSE !(\read(tmp___5)) [L1710] CALL, EXPR is_transmit7_triggered() [L766] int __retres1 ; [L769] COND FALSE !(t7_pc == 1) [L779] __retres1 = 0 [L781] return (__retres1); [L1710] RET, EXPR is_transmit7_triggered() [L1710] tmp___6 = is_transmit7_triggered() [L1712] COND FALSE !(\read(tmp___6)) [L1718] CALL, EXPR is_transmit8_triggered() [L785] int __retres1 ; [L788] COND FALSE !(t8_pc == 1) [L798] __retres1 = 0 [L800] return (__retres1); [L1718] RET, EXPR is_transmit8_triggered() [L1718] tmp___7 = is_transmit8_triggered() [L1720] COND FALSE !(\read(tmp___7)) [L1726] CALL, EXPR is_transmit9_triggered() [L804] int __retres1 ; [L807] COND FALSE !(t9_pc == 1) [L817] __retres1 = 0 [L819] return (__retres1); [L1726] RET, EXPR is_transmit9_triggered() [L1726] tmp___8 = is_transmit9_triggered() [L1728] COND FALSE !(\read(tmp___8)) [L1734] CALL, EXPR is_transmit10_triggered() [L823] int __retres1 ; [L826] COND FALSE !(t10_pc == 1) [L836] __retres1 = 0 [L838] return (__retres1); [L1734] RET, EXPR is_transmit10_triggered() [L1734] tmp___9 = is_transmit10_triggered() [L1736] COND FALSE !(\read(tmp___9)) [L1742] CALL, EXPR is_transmit11_triggered() [L842] int __retres1 ; [L845] COND FALSE !(t11_pc == 1) [L855] __retres1 = 0 [L857] return (__retres1); [L1742] RET, EXPR is_transmit11_triggered() [L1742] tmp___10 = is_transmit11_triggered() [L1744] COND FALSE !(\read(tmp___10)) [L1750] CALL, EXPR is_transmit12_triggered() [L861] int __retres1 ; [L864] COND FALSE !(t12_pc == 1) [L874] __retres1 = 0 [L876] return (__retres1); [L1750] RET, EXPR is_transmit12_triggered() [L1750] tmp___11 = is_transmit12_triggered() [L1752] COND FALSE !(\read(tmp___11)) [L1758] CALL, EXPR is_transmit13_triggered() [L880] int __retres1 ; [L883] COND FALSE !(t13_pc == 1) [L893] __retres1 = 0 [L895] return (__retres1); [L1758] RET, EXPR is_transmit13_triggered() [L1758] tmp___12 = is_transmit13_triggered() [L1760] COND FALSE !(\read(tmp___12)) [L1766] CALL, EXPR is_transmit14_triggered() [L899] int __retres1 ; [L902] COND FALSE !(t14_pc == 1) [L912] __retres1 = 0 [L914] return (__retres1); [L1766] RET, EXPR is_transmit14_triggered() [L1766] tmp___13 = is_transmit14_triggered() [L1768] COND FALSE !(\read(tmp___13)) [L2003] RET activate_threads() [L2004] CALL reset_delta_events() [L1485] COND FALSE !(M_E == 1) [L1490] COND FALSE !(T1_E == 1) [L1495] COND FALSE !(T2_E == 1) [L1500] COND FALSE !(T3_E == 1) [L1505] COND FALSE !(T4_E == 1) [L1510] COND FALSE !(T5_E == 1) [L1515] COND FALSE !(T6_E == 1) [L1520] COND FALSE !(T7_E == 1) [L1525] COND FALSE !(T8_E == 1) [L1530] COND FALSE !(T9_E == 1) [L1535] COND FALSE !(T10_E == 1) [L1540] COND FALSE !(T11_E == 1) [L1545] COND FALSE !(T12_E == 1) [L1550] COND FALSE !(T13_E == 1) [L1555] COND FALSE !(T14_E == 1) [L1560] COND FALSE !(E_1 == 1) [L1565] COND FALSE !(E_2 == 1) [L1570] COND FALSE !(E_3 == 1) [L1575] COND FALSE !(E_4 == 1) [L1580] COND FALSE !(E_5 == 1) [L1585] COND FALSE !(E_6 == 1) [L1590] COND FALSE !(E_7 == 1) [L1595] COND FALSE !(E_8 == 1) [L1600] COND FALSE !(E_9 == 1) [L1605] COND FALSE !(E_10 == 1) [L1610] COND FALSE !(E_11 == 1) [L1615] COND FALSE !(E_12 == 1) [L1620] COND FALSE !(E_13 == 1) [L1625] COND FALSE !(E_14 == 1) [L2004] RET reset_delta_events() [L2007] COND TRUE 1 [L2010] kernel_st = 1 [L2011] CALL eval() [L1096] int tmp ; [L1100] COND TRUE 1 [L1103] CALL, EXPR exists_runnable_thread() [L1009] int __retres1 ; [L1012] COND TRUE m_st == 0 [L1013] __retres1 = 1 [L1091] return (__retres1); [L1103] RET, EXPR exists_runnable_thread() [L1103] tmp = exists_runnable_thread() [L1105] COND TRUE \read(tmp) [L1110] COND TRUE m_st == 0 [L1111] int tmp_ndt_1; [L1112] tmp_ndt_1 = __VERIFIER_nondet_int() [L1113] COND FALSE !(\read(tmp_ndt_1)) [L1124] COND TRUE t1_st == 0 [L1125] int tmp_ndt_2; [L1126] tmp_ndt_2 = __VERIFIER_nondet_int() [L1127] COND FALSE !(\read(tmp_ndt_2)) [L1133] CALL error() [L11] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 47 procedures, 926 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 119.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 104.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 6983 SDtfs, 40781 SDslu, 1696 SDs, 0 SdLazy, 32577 SolverSat, 5585 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 70.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 593 GetRequests, 442 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 404 ImplicationChecksByTransitivity, 18.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1841occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 4.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 6205 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...