/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 14:07:59,764 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 14:07:59,768 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 14:07:59,823 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 14:07:59,824 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 14:07:59,829 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 14:07:59,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 14:07:59,841 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 14:07:59,844 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 14:07:59,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 14:07:59,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 14:07:59,853 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 14:07:59,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 14:07:59,856 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 14:07:59,857 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 14:07:59,859 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 14:07:59,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 14:07:59,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 14:07:59,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 14:07:59,886 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 14:07:59,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 14:07:59,892 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 14:07:59,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 14:07:59,896 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 14:07:59,903 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 14:07:59,903 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 14:07:59,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 14:07:59,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 14:07:59,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 14:07:59,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 14:07:59,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 14:07:59,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 14:07:59,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 14:07:59,911 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 14:07:59,912 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 14:07:59,912 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 14:07:59,913 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 14:07:59,913 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 14:07:59,913 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 14:07:59,914 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 14:07:59,915 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 14:07:59,916 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 14:07:59,961 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 14:07:59,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 14:07:59,965 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 14:07:59,965 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 14:07:59,966 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 14:07:59,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 14:07:59,966 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 14:07:59,966 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 14:07:59,966 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 14:07:59,967 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 14:07:59,967 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 14:07:59,967 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 14:07:59,967 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 14:07:59,967 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 14:07:59,967 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 14:07:59,968 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 14:07:59,968 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 14:07:59,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 14:07:59,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 14:07:59,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 14:07:59,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 14:07:59,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 14:07:59,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 14:07:59,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 14:07:59,971 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 14:07:59,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 14:07:59,972 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 14:07:59,972 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 14:07:59,972 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 14:08:00,392 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 14:08:00,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 14:08:00,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 14:08:00,429 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 14:08:00,429 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 14:08:00,430 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c [2021-02-23 14:08:00,496 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cab0966b/601ff0f87b924cbd987326726a784365/FLAG3fe143745 [2021-02-23 14:08:01,154 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 14:08:01,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c [2021-02-23 14:08:01,163 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cab0966b/601ff0f87b924cbd987326726a784365/FLAG3fe143745 [2021-02-23 14:08:01,516 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0cab0966b/601ff0f87b924cbd987326726a784365 [2021-02-23 14:08:01,520 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 14:08:01,535 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 14:08:01,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 14:08:01,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 14:08:01,544 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 14:08:01,545 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 02:08:01" (1/1) ... [2021-02-23 14:08:01,548 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c4c751e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01, skipping insertion in model container [2021-02-23 14:08:01,548 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 02:08:01" (1/1) ... [2021-02-23 14:08:01,557 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 14:08:01,613 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 14:08:01,755 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c[401,414] [2021-02-23 14:08:01,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 14:08:01,815 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 14:08:01,829 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c[401,414] [2021-02-23 14:08:01,852 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 14:08:01,877 INFO L208 MainTranslator]: Completed translation [2021-02-23 14:08:01,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01 WrapperNode [2021-02-23 14:08:01,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 14:08:01,879 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 14:08:01,879 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 14:08:01,879 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 14:08:01,891 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01" (1/1) ... [2021-02-23 14:08:01,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01" (1/1) ... [2021-02-23 14:08:01,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01" (1/1) ... [2021-02-23 14:08:01,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01" (1/1) ... [2021-02-23 14:08:01,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01" (1/1) ... [2021-02-23 14:08:01,919 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01" (1/1) ... [2021-02-23 14:08:01,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01" (1/1) ... [2021-02-23 14:08:01,928 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 14:08:01,929 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 14:08:01,929 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 14:08:01,929 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 14:08:01,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 14:08:02,046 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 14:08:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 14:08:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 14:08:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-02-23 14:08:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2021-02-23 14:08:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2021-02-23 14:08:02,047 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2021-02-23 14:08:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2021-02-23 14:08:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-02-23 14:08:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2021-02-23 14:08:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-02-23 14:08:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2021-02-23 14:08:02,048 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-02-23 14:08:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-02-23 14:08:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-02-23 14:08:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-02-23 14:08:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2021-02-23 14:08:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2021-02-23 14:08:02,049 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2021-02-23 14:08:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2021-02-23 14:08:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2021-02-23 14:08:02,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 14:08:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 14:08:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 14:08:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 14:08:02,050 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 14:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 14:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-02-23 14:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2021-02-23 14:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2021-02-23 14:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-02-23 14:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure master [2021-02-23 14:08:02,051 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2021-02-23 14:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-02-23 14:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2021-02-23 14:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-02-23 14:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2021-02-23 14:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-02-23 14:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-02-23 14:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-02-23 14:08:02,052 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2021-02-23 14:08:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2021-02-23 14:08:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2021-02-23 14:08:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2021-02-23 14:08:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2021-02-23 14:08:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 14:08:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 14:08:02,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 14:08:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 14:08:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 14:08:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 14:08:02,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 14:08:02,804 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 14:08:02,804 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 14:08:02,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 02:08:02 BoogieIcfgContainer [2021-02-23 14:08:02,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 14:08:02,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 14:08:02,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 14:08:02,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 14:08:02,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 02:08:01" (1/3) ... [2021-02-23 14:08:02,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5027cf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 02:08:02, skipping insertion in model container [2021-02-23 14:08:02,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 02:08:01" (2/3) ... [2021-02-23 14:08:02,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5027cf63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 02:08:02, skipping insertion in model container [2021-02-23 14:08:02,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 02:08:02" (3/3) ... [2021-02-23 14:08:02,819 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.01.cil.c [2021-02-23 14:08:02,826 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 14:08:02,832 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 14:08:02,853 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 14:08:02,896 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 14:08:02,897 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 14:08:02,897 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 14:08:02,897 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 14:08:02,898 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 14:08:02,898 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 14:08:02,898 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 14:08:02,898 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 14:08:02,927 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2021-02-23 14:08:02,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-23 14:08:02,943 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:02,944 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] [2021-02-23 14:08:02,945 INFO L428 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:02,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:02,957 INFO L82 PathProgramCache]: Analyzing trace with hash -1621047084, now seen corresponding path program 1 times [2021-02-23 14:08:02,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:02,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787735743] [2021-02-23 14:08:02,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,281 WARN L141 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-02-23 14:08:03,282 WARN L147 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size 4 [2021-02-23 14:08:03,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:03,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:03,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:03,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:03,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:03,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 14:08:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:03,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 14:08:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:03,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 14:08:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:03,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 14:08:03,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:03,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 14:08:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:03,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:03,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:03,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-23 14:08:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:03,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 14:08:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:03,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:03,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 14:08:03,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787735743] [2021-02-23 14:08:03,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 14:08:03,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 14:08:03,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977398181] [2021-02-23 14:08:03,555 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 14:08:03,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 14:08:03,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 14:08:03,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-23 14:08:03,571 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 9 states. [2021-02-23 14:08:05,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 14:08:05,718 INFO L93 Difference]: Finished difference Result 479 states and 724 transitions. [2021-02-23 14:08:05,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 14:08:05,720 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2021-02-23 14:08:05,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 14:08:05,737 INFO L225 Difference]: With dead ends: 479 [2021-02-23 14:08:05,737 INFO L226 Difference]: Without dead ends: 340 [2021-02-23 14:08:05,743 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-02-23 14:08:05,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-02-23 14:08:05,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 233. [2021-02-23 14:08:05,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2021-02-23 14:08:05,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 300 transitions. [2021-02-23 14:08:05,852 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 300 transitions. Word has length 75 [2021-02-23 14:08:05,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 14:08:05,853 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 300 transitions. [2021-02-23 14:08:05,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 14:08:05,853 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 300 transitions. [2021-02-23 14:08:05,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-23 14:08:05,857 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:05,857 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] [2021-02-23 14:08:05,857 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 14:08:05,858 INFO L428 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:05,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:05,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1556466159, now seen corresponding path program 1 times [2021-02-23 14:08:05,859 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:05,859 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310200983] [2021-02-23 14:08:05,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:05,925 WARN L141 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-02-23 14:08:05,926 WARN L147 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size 4 [2021-02-23 14:08:05,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:05,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:05,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:05,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:05,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:05,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:05,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:05,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:05,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:06,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 14:08:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:06,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:06,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 14:08:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:06,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:06,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 14:08:06,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:06,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:06,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 14:08:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:06,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:06,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:06,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 14:08:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:06,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:06,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:06,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:06,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:06,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:06,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-23 14:08:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:06,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:06,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 14:08:06,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:06,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:06,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:06,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 14:08:06,130 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310200983] [2021-02-23 14:08:06,131 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 14:08:06,131 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 14:08:06,131 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [846387299] [2021-02-23 14:08:06,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 14:08:06,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 14:08:06,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 14:08:06,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-23 14:08:06,135 INFO L87 Difference]: Start difference. First operand 233 states and 300 transitions. Second operand 10 states. [2021-02-23 14:08:07,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 14:08:07,497 INFO L93 Difference]: Finished difference Result 545 states and 744 transitions. [2021-02-23 14:08:07,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 14:08:07,498 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2021-02-23 14:08:07,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 14:08:07,503 INFO L225 Difference]: With dead ends: 545 [2021-02-23 14:08:07,503 INFO L226 Difference]: Without dead ends: 331 [2021-02-23 14:08:07,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2021-02-23 14:08:07,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-02-23 14:08:07,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 233. [2021-02-23 14:08:07,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2021-02-23 14:08:07,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 293 transitions. [2021-02-23 14:08:07,559 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 293 transitions. Word has length 75 [2021-02-23 14:08:07,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 14:08:07,559 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 293 transitions. [2021-02-23 14:08:07,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 14:08:07,560 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 293 transitions. [2021-02-23 14:08:07,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-23 14:08:07,562 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:07,562 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] [2021-02-23 14:08:07,562 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 14:08:07,562 INFO L428 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:07,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:07,563 INFO L82 PathProgramCache]: Analyzing trace with hash -972016875, now seen corresponding path program 1 times [2021-02-23 14:08:07,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:07,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049317816] [2021-02-23 14:08:07,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:07,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 14:08:07,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 14:08:07,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 14:08:07,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 14:08:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 14:08:07,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 14:08:07,758 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 14:08:07,759 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 14:08:07,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 14:08:07,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 14:08:07,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-23 14:08:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 14:08:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:07,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:07,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:07,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 14:08:07,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049317816] [2021-02-23 14:08:07,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 14:08:07,862 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 14:08:07,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509267710] [2021-02-23 14:08:07,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 14:08:07,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 14:08:07,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 14:08:07,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-23 14:08:07,863 INFO L87 Difference]: Start difference. First operand 233 states and 293 transitions. Second operand 10 states. [2021-02-23 14:08:09,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 14:08:09,366 INFO L93 Difference]: Finished difference Result 548 states and 738 transitions. [2021-02-23 14:08:09,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 14:08:09,367 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2021-02-23 14:08:09,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 14:08:09,370 INFO L225 Difference]: With dead ends: 548 [2021-02-23 14:08:09,370 INFO L226 Difference]: Without dead ends: 335 [2021-02-23 14:08:09,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2021-02-23 14:08:09,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-02-23 14:08:09,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 238. [2021-02-23 14:08:09,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2021-02-23 14:08:09,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 297 transitions. [2021-02-23 14:08:09,416 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 297 transitions. Word has length 75 [2021-02-23 14:08:09,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 14:08:09,417 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 297 transitions. [2021-02-23 14:08:09,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 14:08:09,417 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 297 transitions. [2021-02-23 14:08:09,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-23 14:08:09,418 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:09,419 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] [2021-02-23 14:08:09,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 14:08:09,419 INFO L428 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:09,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:09,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1477583255, now seen corresponding path program 1 times [2021-02-23 14:08:09,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:09,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296985569] [2021-02-23 14:08:09,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:09,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 14:08:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 14:08:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 14:08:09,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 14:08:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 14:08:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 14:08:09,565 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 14:08:09,566 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 14:08:09,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:09,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 14:08:09,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 14:08:09,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-23 14:08:09,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,616 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 14:08:09,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:09,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:09,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:09,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 14:08:09,631 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296985569] [2021-02-23 14:08:09,631 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 14:08:09,631 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 14:08:09,631 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432657201] [2021-02-23 14:08:09,632 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 14:08:09,632 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 14:08:09,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 14:08:09,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-23 14:08:09,633 INFO L87 Difference]: Start difference. First operand 238 states and 297 transitions. Second operand 10 states. [2021-02-23 14:08:11,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 14:08:11,095 INFO L93 Difference]: Finished difference Result 565 states and 756 transitions. [2021-02-23 14:08:11,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 14:08:11,096 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2021-02-23 14:08:11,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 14:08:11,100 INFO L225 Difference]: With dead ends: 565 [2021-02-23 14:08:11,100 INFO L226 Difference]: Without dead ends: 347 [2021-02-23 14:08:11,105 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2021-02-23 14:08:11,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-02-23 14:08:11,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 248. [2021-02-23 14:08:11,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2021-02-23 14:08:11,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 307 transitions. [2021-02-23 14:08:11,157 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 307 transitions. Word has length 75 [2021-02-23 14:08:11,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 14:08:11,157 INFO L480 AbstractCegarLoop]: Abstraction has 248 states and 307 transitions. [2021-02-23 14:08:11,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 14:08:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 307 transitions. [2021-02-23 14:08:11,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-23 14:08:11,159 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:11,159 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] [2021-02-23 14:08:11,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 14:08:11,159 INFO L428 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:11,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:11,160 INFO L82 PathProgramCache]: Analyzing trace with hash 1500215509, now seen corresponding path program 1 times [2021-02-23 14:08:11,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:11,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016103826] [2021-02-23 14:08:11,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,193 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 14:08:11,193 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 14:08:11,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:11,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:11,198 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,199 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:11,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:11,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:11,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:11,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 14:08:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:11,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 14:08:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:11,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 14:08:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:11,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 14:08:11,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:11,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 14:08:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:11,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:11,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:11,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:11,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-23 14:08:11,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:11,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:11,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 14:08:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:11,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:11,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:11,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 14:08:11,377 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016103826] [2021-02-23 14:08:11,377 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 14:08:11,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 14:08:11,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599093911] [2021-02-23 14:08:11,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 14:08:11,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 14:08:11,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 14:08:11,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-23 14:08:11,379 INFO L87 Difference]: Start difference. First operand 248 states and 307 transitions. Second operand 10 states. [2021-02-23 14:08:13,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 14:08:13,067 INFO L93 Difference]: Finished difference Result 694 states and 915 transitions. [2021-02-23 14:08:13,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 14:08:13,068 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2021-02-23 14:08:13,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 14:08:13,073 INFO L225 Difference]: With dead ends: 694 [2021-02-23 14:08:13,073 INFO L226 Difference]: Without dead ends: 465 [2021-02-23 14:08:13,074 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2021-02-23 14:08:13,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-02-23 14:08:13,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 299. [2021-02-23 14:08:13,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-23 14:08:13,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 353 transitions. [2021-02-23 14:08:13,116 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 353 transitions. Word has length 75 [2021-02-23 14:08:13,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 14:08:13,117 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 353 transitions. [2021-02-23 14:08:13,117 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 14:08:13,117 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 353 transitions. [2021-02-23 14:08:13,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-23 14:08:13,118 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:13,119 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] [2021-02-23 14:08:13,119 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 14:08:13,119 INFO L428 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:13,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:13,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1366202003, now seen corresponding path program 1 times [2021-02-23 14:08:13,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:13,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365049244] [2021-02-23 14:08:13,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:13,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:13,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:13,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 14:08:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 14:08:13,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 14:08:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:13,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 14:08:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 14:08:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:13,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:13,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:13,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-23 14:08:13,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 14:08:13,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:13,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:13,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:13,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:13,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 14:08:13,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365049244] [2021-02-23 14:08:13,323 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 14:08:13,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 14:08:13,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900504185] [2021-02-23 14:08:13,324 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 14:08:13,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 14:08:13,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 14:08:13,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-02-23 14:08:13,325 INFO L87 Difference]: Start difference. First operand 299 states and 353 transitions. Second operand 8 states. [2021-02-23 14:08:15,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 14:08:15,243 INFO L93 Difference]: Finished difference Result 1022 states and 1375 transitions. [2021-02-23 14:08:15,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-23 14:08:15,244 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2021-02-23 14:08:15,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 14:08:15,249 INFO L225 Difference]: With dead ends: 1022 [2021-02-23 14:08:15,250 INFO L226 Difference]: Without dead ends: 744 [2021-02-23 14:08:15,251 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2021-02-23 14:08:15,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2021-02-23 14:08:15,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 512. [2021-02-23 14:08:15,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2021-02-23 14:08:15,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 625 transitions. [2021-02-23 14:08:15,336 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 625 transitions. Word has length 75 [2021-02-23 14:08:15,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 14:08:15,338 INFO L480 AbstractCegarLoop]: Abstraction has 512 states and 625 transitions. [2021-02-23 14:08:15,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 14:08:15,338 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 625 transitions. [2021-02-23 14:08:15,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-02-23 14:08:15,345 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:15,345 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] [2021-02-23 14:08:15,345 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 14:08:15,345 INFO L428 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:15,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:15,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1279127601, now seen corresponding path program 1 times [2021-02-23 14:08:15,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:15,346 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86954759] [2021-02-23 14:08:15,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:15,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:15,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 14:08:15,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:15,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 14:08:15,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 14:08:15,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 14:08:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 14:08:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 14:08:15,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-23 14:08:15,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:15,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-23 14:08:15,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-23 14:08:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 14:08:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:15,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:15,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:15,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 14:08:15,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86954759] [2021-02-23 14:08:15,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 14:08:15,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 14:08:15,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319649607] [2021-02-23 14:08:15,541 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 14:08:15,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 14:08:15,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 14:08:15,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 14:08:15,545 INFO L87 Difference]: Start difference. First operand 512 states and 625 transitions. Second operand 7 states. [2021-02-23 14:08:16,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 14:08:16,968 INFO L93 Difference]: Finished difference Result 1714 states and 2333 transitions. [2021-02-23 14:08:16,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 14:08:16,968 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2021-02-23 14:08:16,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 14:08:16,978 INFO L225 Difference]: With dead ends: 1714 [2021-02-23 14:08:16,978 INFO L226 Difference]: Without dead ends: 1227 [2021-02-23 14:08:16,981 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-02-23 14:08:16,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2021-02-23 14:08:17,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1048. [2021-02-23 14:08:17,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2021-02-23 14:08:17,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1348 transitions. [2021-02-23 14:08:17,113 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1348 transitions. Word has length 76 [2021-02-23 14:08:17,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 14:08:17,113 INFO L480 AbstractCegarLoop]: Abstraction has 1048 states and 1348 transitions. [2021-02-23 14:08:17,113 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 14:08:17,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1348 transitions. [2021-02-23 14:08:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-02-23 14:08:17,116 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:17,116 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 14:08:17,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 14:08:17,117 INFO L428 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:17,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:17,117 INFO L82 PathProgramCache]: Analyzing trace with hash 1332188982, now seen corresponding path program 1 times [2021-02-23 14:08:17,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:17,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038662148] [2021-02-23 14:08:17,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:17,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:17,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 14:08:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 14:08:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 14:08:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 14:08:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 14:08:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:17,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-23 14:08:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 14:08:17,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,275 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-23 14:08:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 14:08:17,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-23 14:08:17,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:17,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:17,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:17,331 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-23 14:08:17,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038662148] [2021-02-23 14:08:17,332 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 14:08:17,332 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 14:08:17,332 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662365367] [2021-02-23 14:08:17,332 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 14:08:17,333 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 14:08:17,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 14:08:17,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 14:08:17,334 INFO L87 Difference]: Start difference. First operand 1048 states and 1348 transitions. Second operand 8 states. [2021-02-23 14:08:19,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 14:08:19,317 INFO L93 Difference]: Finished difference Result 3519 states and 4975 transitions. [2021-02-23 14:08:19,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 14:08:19,317 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2021-02-23 14:08:19,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 14:08:19,334 INFO L225 Difference]: With dead ends: 3519 [2021-02-23 14:08:19,334 INFO L226 Difference]: Without dead ends: 1913 [2021-02-23 14:08:19,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2021-02-23 14:08:19,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1913 states. [2021-02-23 14:08:19,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1913 to 1698. [2021-02-23 14:08:19,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1698 states. [2021-02-23 14:08:19,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1698 states and 2258 transitions. [2021-02-23 14:08:19,561 INFO L78 Accepts]: Start accepts. Automaton has 1698 states and 2258 transitions. Word has length 95 [2021-02-23 14:08:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 14:08:19,562 INFO L480 AbstractCegarLoop]: Abstraction has 1698 states and 2258 transitions. [2021-02-23 14:08:19,562 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 14:08:19,562 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2258 transitions. [2021-02-23 14:08:19,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-02-23 14:08:19,566 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:19,566 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 14:08:19,566 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 14:08:19,567 INFO L428 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:19,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:19,567 INFO L82 PathProgramCache]: Analyzing trace with hash -372411897, now seen corresponding path program 1 times [2021-02-23 14:08:19,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:19,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349306211] [2021-02-23 14:08:19,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 14:08:19,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:19,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 14:08:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 14:08:19,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 14:08:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 14:08:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-23 14:08:19,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 14:08:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 14:08:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-23 14:08:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 14:08:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-23 14:08:19,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-23 14:08:19,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 14:08:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 14:08:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 14:08:19,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 14:08:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-23 14:08:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 14:08:19,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 14:08:19,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 14:08:19,789 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-02-23 14:08:19,790 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349306211] [2021-02-23 14:08:19,790 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 14:08:19,790 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 14:08:19,790 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661465619] [2021-02-23 14:08:19,791 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 14:08:19,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 14:08:19,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 14:08:19,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-23 14:08:19,792 INFO L87 Difference]: Start difference. First operand 1698 states and 2258 transitions. Second operand 10 states. [2021-02-23 14:08:21,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 14:08:21,160 INFO L93 Difference]: Finished difference Result 3584 states and 4862 transitions. [2021-02-23 14:08:21,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 14:08:21,161 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 129 [2021-02-23 14:08:21,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 14:08:21,174 INFO L225 Difference]: With dead ends: 3584 [2021-02-23 14:08:21,175 INFO L226 Difference]: Without dead ends: 1907 [2021-02-23 14:08:21,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2021-02-23 14:08:21,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2021-02-23 14:08:21,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1692. [2021-02-23 14:08:21,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1692 states. [2021-02-23 14:08:21,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2248 transitions. [2021-02-23 14:08:21,427 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2248 transitions. Word has length 129 [2021-02-23 14:08:21,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 14:08:21,428 INFO L480 AbstractCegarLoop]: Abstraction has 1692 states and 2248 transitions. [2021-02-23 14:08:21,428 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 14:08:21,428 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2248 transitions. [2021-02-23 14:08:21,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-02-23 14:08:21,431 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 14:08:21,431 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 14:08:21,431 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 14:08:21,431 INFO L428 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 14:08:21,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 14:08:21,432 INFO L82 PathProgramCache]: Analyzing trace with hash -2099556859, now seen corresponding path program 1 times [2021-02-23 14:08:21,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 14:08:21,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941523362] [2021-02-23 14:08:21,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 14:08:21,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 14:08:21,451 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 14:08:21,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 14:08:21,476 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 14:08:21,535 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-23 14:08:21,536 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 14:08:21,536 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 14:08:21,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 02:08:21 BoogieIcfgContainer [2021-02-23 14:08:21,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 14:08:21,661 INFO L168 Benchmark]: Toolchain (without parser) took 20138.89 ms. Allocated memory was 155.2 MB in the beginning and 467.7 MB in the end (delta: 312.5 MB). Free memory was 130.0 MB in the beginning and 326.4 MB in the end (delta: -196.4 MB). Peak memory consumption was 117.5 MB. Max. memory is 8.0 GB. [2021-02-23 14:08:21,661 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 155.2 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 14:08:21,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.26 ms. Allocated memory is still 155.2 MB. Free memory was 128.9 MB in the beginning and 116.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-23 14:08:21,662 INFO L168 Benchmark]: Boogie Preprocessor took 48.94 ms. Allocated memory is still 155.2 MB. Free memory was 116.4 MB in the beginning and 114.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 14:08:21,662 INFO L168 Benchmark]: RCFGBuilder took 878.70 ms. Allocated memory is still 155.2 MB. Free memory was 114.4 MB in the beginning and 117.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 8.0 GB. [2021-02-23 14:08:21,662 INFO L168 Benchmark]: TraceAbstraction took 18849.82 ms. Allocated memory was 155.2 MB in the beginning and 467.7 MB in the end (delta: 312.5 MB). Free memory was 116.6 MB in the beginning and 326.4 MB in the end (delta: -209.8 MB). Peak memory consumption was 103.7 MB. Max. memory is 8.0 GB. [2021-02-23 14:08:21,663 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 155.2 MB. Free memory is still 127.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 338.26 ms. Allocated memory is still 155.2 MB. Free memory was 128.9 MB in the beginning and 116.4 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 48.94 ms. Allocated memory is still 155.2 MB. Free memory was 116.4 MB in the beginning and 114.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 878.70 ms. Allocated memory is still 155.2 MB. Free memory was 114.4 MB in the beginning and 117.2 MB in the end (delta: -2.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18849.82 ms. Allocated memory was 155.2 MB in the beginning and 467.7 MB in the end (delta: 312.5 MB). Free memory was 116.6 MB in the beginning and 326.4 MB in the end (delta: -209.8 MB). Peak memory consumption was 103.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L17] int m_pc = 0; [L18] int t1_pc = 0; [L19] int m_st ; [L20] int t1_st ; [L21] int m_i ; [L22] int t1_i ; [L23] int M_E = 2; [L24] int T1_E = 2; [L25] int E_1 = 2; VAL [\old(E_1)=65, \old(M_E)=62, \old(m_i)=53, \old(m_pc)=58, \old(m_st)=56, \old(T1_E)=50, \old(t1_i)=63, \old(t1_pc)=54, \old(t1_st)=51, E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0] [L441] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0] [L445] CALL init_model() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=0, m_pc=0, m_st=0, T1_E=2, t1_i=0, t1_pc=0, t1_st=0] [L356] m_i = 1 [L357] t1_i = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L445] RET init_model() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L446] CALL start_simulation() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L382] int kernel_st ; [L383] int tmp ; [L384] int tmp___0 ; [L388] kernel_st = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L389] FCALL update_channels() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L390] CALL init_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L153] COND TRUE m_i == 1 [L154] m_st = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L158] COND TRUE t1_i == 1 [L159] t1_st = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L390] RET init_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L391] CALL fire_delta_events() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L242] COND FALSE !(M_E == 0) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L247] COND FALSE !(T1_E == 0) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L252] COND FALSE !(E_1 == 0) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L391] RET fire_delta_events() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L392] CALL activate_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L285] int tmp ; [L286] int tmp___0 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L290] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L104] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L107] COND FALSE !(m_pc == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L117] __retres1 = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L119] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \result=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L290] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, is_master_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L290] tmp = is_master_triggered() [L292] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=0] [L298] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L123] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L126] COND FALSE !(t1_pc == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L136] __retres1 = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L138] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \result=0, __retres1=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L298] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, is_transmit1_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=0] [L298] tmp___0 = is_transmit1_triggered() [L300] COND FALSE !(\read(tmp___0)) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=0, tmp___0=0] [L392] RET activate_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L393] CALL reset_delta_events() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L265] COND FALSE !(M_E == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L270] COND FALSE !(T1_E == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L275] COND FALSE !(E_1 == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L393] RET reset_delta_events() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L396] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=0, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L399] kernel_st = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, kernel_st=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L400] CALL eval() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L189] int tmp ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L193] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L196] CALL, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L168] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L171] COND TRUE m_st == 0 [L172] __retres1 = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L184] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \result=1, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L196] RET, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, exists_runnable_thread()=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0] [L196] tmp = exists_runnable_thread() [L198] COND TRUE \read(tmp) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=1] [L203] COND TRUE m_st == 0 [L204] int tmp_ndt_1; [L205] tmp_ndt_1 = __VERIFIER_nondet_int() [L206] COND FALSE !(\read(tmp_ndt_1)) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=0, tmp=1, tmp_ndt_1=0] [L217] COND TRUE t1_st == 0 [L218] int tmp_ndt_2; [L219] tmp_ndt_2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp_ndt_2) [L222] t1_st = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1] [L223] CALL transmit1() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1] [L74] COND TRUE t1_pc == 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1] [L85] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=0, t1_st=1] [L87] t1_pc = 1 [L88] t1_st = 2 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L223] RET transmit1() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1] [L193] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1] [L196] CALL, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L168] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L171] COND TRUE m_st == 0 [L172] __retres1 = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L184] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, \result=1, __retres1=1, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L196] RET, EXPR exists_runnable_thread() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, exists_runnable_thread()=1, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1] [L196] tmp = exists_runnable_thread() [L198] COND TRUE \read(tmp) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=0, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=0, tmp_ndt_2=-1] [L203] COND TRUE m_st == 0 [L204] int tmp_ndt_1; [L205] tmp_ndt_1 = __VERIFIER_nondet_int() [L206] COND TRUE \read(tmp_ndt_1) [L208] m_st = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=1, tmp_ndt_1=-2, tmp_ndt_2=-1] [L209] CALL master() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L33] COND TRUE m_pc == 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L44] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L47] E_1 = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L48] CALL immediate_notify() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L314] CALL activate_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L285] int tmp ; [L286] int tmp___0 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L290] CALL, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L104] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L107] COND FALSE !(m_pc == 1) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L117] __retres1 = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, __retres1=0, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L119] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \result=0, __retres1=0, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L290] RET, EXPR is_master_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, is_master_triggered()=0, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L290] tmp = is_master_triggered() [L292] COND FALSE !(\read(tmp)) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=0] [L298] CALL, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L123] int __retres1 ; VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L126] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L127] COND TRUE E_1 == 1 [L128] __retres1 = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, __retres1=1, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L138] return (__retres1); VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, \result=1, __retres1=1, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2] [L298] RET, EXPR is_transmit1_triggered() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, is_transmit1_triggered()=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=2, tmp=0] [L298] tmp___0 = is_transmit1_triggered() [L300] COND TRUE \read(tmp___0) [L301] t1_st = 0 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, tmp=0, tmp___0=1] [L314] RET activate_threads() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L48] RET immediate_notify() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=1, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L49] E_1 = 2 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L52] COND TRUE 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=0, m_st=1, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L54] m_pc = 1 [L55] m_st = 2 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=1, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=2, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0] [L209] RET master() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=0, tmp=1, tmp_ndt_1=-2, tmp_ndt_2=-1] [L217] COND TRUE t1_st == 0 [L218] int tmp_ndt_2; [L219] tmp_ndt_2 = __VERIFIER_nondet_int() [L220] COND TRUE \read(tmp_ndt_2) [L222] t1_st = 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=0, \old(t1_st)=0, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1, tmp=1, tmp_ndt_1=-2, tmp_ndt_2=-3] [L223] CALL transmit1() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L74] COND FALSE !(t1_pc == 0) VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L77] COND TRUE t1_pc == 1 VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L93] CALL error() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] [L13] reach_error() VAL [\old(E_1)=2, \old(M_E)=2, \old(m_i)=0, \old(m_pc)=0, \old(m_st)=0, \old(T1_E)=2, \old(t1_i)=0, \old(t1_pc)=1, \old(t1_st)=1, E_1=2, M_E=2, m_i=1, m_pc=1, m_st=2, T1_E=2, t1_i=1, t1_pc=1, t1_st=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 22 procedures, 142 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 18.6s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 15.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1089 SDtfs, 4075 SDslu, 470 SDs, 0 SdLazy, 7224 SolverSat, 2493 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 379 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 410 ImplicationChecksByTransitivity, 2.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1698occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 1408 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 879 NumberOfCodeBlocks, 879 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 741 ConstructedInterpolants, 0 QuantifiedInterpolants, 164410 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 50/50 InterpolantCoveringCapability, 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...