/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-b7b32d2 [2021-02-21 16:41:31,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:41:31,923 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:41:31,971 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:41:31,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:41:31,974 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:41:31,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:41:31,979 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:41:31,981 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:41:31,983 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:41:31,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:41:31,986 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:41:31,987 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:41:31,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:41:31,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:41:31,992 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:41:31,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:41:31,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:41:32,012 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:41:32,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:41:32,017 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:41:32,018 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:41:32,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:41:32,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:41:32,024 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-21 16:41:32,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:41:32,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:41:32,039 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:41:32,041 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 [2021-02-21 16:41:32,069 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:41:32,069 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:41:32,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:41:32,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:41:32,071 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:41:32,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:41:32,072 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:41:32,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:41:32,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:41:32,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:41:32,073 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:41:32,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:41:32,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:41:32,074 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:41:32,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:41:32,074 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:41:32,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:41:32,075 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:41:32,075 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:41:32,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:41:32,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:41:32,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:41:32,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:41:32,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:41:32,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:41:32,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:41:32,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:41:32,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:41:32,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:41:32,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:41:32,575 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:41:32,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:41:32,580 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:41:32,581 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:41:32,582 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.01.cil.c [2021-02-21 16:41:32,679 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a81ba7c7/1a44bcc25e52498c81221d44ff37579a/FLAG4b275a754 [2021-02-21 16:41:33,374 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:41:33,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/transmitter.01.cil.c [2021-02-21 16:41:33,393 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a81ba7c7/1a44bcc25e52498c81221d44ff37579a/FLAG4b275a754 [2021-02-21 16:41:33,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4a81ba7c7/1a44bcc25e52498c81221d44ff37579a [2021-02-21 16:41:33,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:41:33,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:41:33,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:41:33,772 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:41:33,776 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:41:33,777 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:41:33" (1/1) ... [2021-02-21 16:41:33,780 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55a8c82c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:33, skipping insertion in model container [2021-02-21 16:41:33,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:41:33" (1/1) ... [2021-02-21 16:41:33,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:41:33,850 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:41:34,019 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] [2021-02-21 16:41:34,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:41:34,093 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:41:34,125 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] [2021-02-21 16:41:34,183 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:41:34,209 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:41:34,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34 WrapperNode [2021-02-21 16:41:34,210 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:41:34,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:41:34,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:41:34,212 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:41:34,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34" (1/1) ... [2021-02-21 16:41:34,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34" (1/1) ... [2021-02-21 16:41:34,239 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34" (1/1) ... [2021-02-21 16:41:34,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34" (1/1) ... [2021-02-21 16:41:34,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34" (1/1) ... [2021-02-21 16:41:34,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34" (1/1) ... [2021-02-21 16:41:34,263 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34" (1/1) ... [2021-02-21 16:41:34,268 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:41:34,269 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:41:34,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:41:34,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:41:34,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:41:34,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:41:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:41:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:41:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2021-02-21 16:41:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2021-02-21 16:41:34,389 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2021-02-21 16:41:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2021-02-21 16:41:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2021-02-21 16:41:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2021-02-21 16:41:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2021-02-21 16:41:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2021-02-21 16:41:34,390 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2021-02-21 16:41:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2021-02-21 16:41:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2021-02-21 16:41:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2021-02-21 16:41:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2021-02-21 16:41:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2021-02-21 16:41:34,391 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2021-02-21 16:41:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2021-02-21 16:41:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2021-02-21 16:41:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2021-02-21 16:41:34,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:41:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:41:34,392 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:41:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:41:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:41:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 16:41:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure error [2021-02-21 16:41:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2021-02-21 16:41:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2021-02-21 16:41:34,393 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2021-02-21 16:41:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure master [2021-02-21 16:41:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2021-02-21 16:41:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2021-02-21 16:41:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2021-02-21 16:41:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2021-02-21 16:41:34,394 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2021-02-21 16:41:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2021-02-21 16:41:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2021-02-21 16:41:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2021-02-21 16:41:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2021-02-21 16:41:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2021-02-21 16:41:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2021-02-21 16:41:34,395 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2021-02-21 16:41:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2021-02-21 16:41:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:41:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:41:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:41:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:41:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:41:34,396 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:41:34,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:41:35,100 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:41:35,100 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-21 16:41:35,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:41:35 BoogieIcfgContainer [2021-02-21 16:41:35,106 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:41:35,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:41:35,115 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:41:35,119 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:41:35,120 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:41:33" (1/3) ... [2021-02-21 16:41:35,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108a22f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:41:35, skipping insertion in model container [2021-02-21 16:41:35,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:41:34" (2/3) ... [2021-02-21 16:41:35,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@108a22f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:41:35, skipping insertion in model container [2021-02-21 16:41:35,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:41:35" (3/3) ... [2021-02-21 16:41:35,126 INFO L111 eAbstractionObserver]: Analyzing ICFG transmitter.01.cil.c [2021-02-21 16:41:35,135 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:41:35,144 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:41:35,176 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 16:41:35,230 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:41:35,230 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:41:35,230 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:41:35,231 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:41:35,232 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:41:35,232 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:41:35,232 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:41:35,233 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:41:35,269 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2021-02-21 16:41:35,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-21 16:41:35,290 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:35,291 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] [2021-02-21 16:41:35,292 INFO L428 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:35,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:35,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1621047084, now seen corresponding path program 1 times [2021-02-21 16:41:35,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:35,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816579539] [2021-02-21 16:41:35,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:35,695 WARN L141 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-02-21 16:41:35,700 WARN L147 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size 4 [2021-02-21 16:41:35,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:35,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:35,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:35,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:35,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:35,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:35,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:41:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:35,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:35,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:35,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:41:35,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:35,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:35,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:35,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:41:35,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:35,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:35,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:35,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 16:41:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:36,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:36,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:36,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 16:41:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:36,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:36,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:36,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:41:36,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:36,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:36,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:36,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:41:36,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:36,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:36,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:36,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-21 16:41:36,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:36,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:36,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:36,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 16:41:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:36,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:36,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:36,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 16:41:36,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:36,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:36,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:41:36,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816579539] [2021-02-21 16:41:36,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:41:36,147 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 16:41:36,149 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734543516] [2021-02-21 16:41:36,159 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:41:36,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:41:36,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:41:36,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:41:36,195 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 9 states. [2021-02-21 16:41:36,404 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-02-21 16:41:38,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:41:38,829 INFO L93 Difference]: Finished difference Result 479 states and 724 transitions. [2021-02-21 16:41:38,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-21 16:41:38,831 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2021-02-21 16:41:38,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:41:38,868 INFO L225 Difference]: With dead ends: 479 [2021-02-21 16:41:38,869 INFO L226 Difference]: Without dead ends: 340 [2021-02-21 16:41:38,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-02-21 16:41:38,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2021-02-21 16:41:39,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 233. [2021-02-21 16:41:39,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2021-02-21 16:41:39,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 300 transitions. [2021-02-21 16:41:39,060 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 300 transitions. Word has length 75 [2021-02-21 16:41:39,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:41:39,061 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 300 transitions. [2021-02-21 16:41:39,061 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:41:39,061 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 300 transitions. [2021-02-21 16:41:39,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-21 16:41:39,065 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:39,065 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] [2021-02-21 16:41:39,066 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:41:39,066 INFO L428 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:39,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:39,067 INFO L82 PathProgramCache]: Analyzing trace with hash -1556466159, now seen corresponding path program 1 times [2021-02-21 16:41:39,067 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:39,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611956244] [2021-02-21 16:41:39,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,143 WARN L141 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size [2021-02-21 16:41:39,144 WARN L147 QuantifierPusher]: treesize reduction 4, result has 50.0 percent of original size 4 [2021-02-21 16:41:39,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:39,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:39,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:39,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:41:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:39,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:41:39,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:39,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:41:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:39,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 16:41:39,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:39,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 16:41:39,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:39,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:39,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:41:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:41:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:39,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-21 16:41:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 16:41:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:39,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 16:41:39,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:39,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:39,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:39,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:41:39,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611956244] [2021-02-21 16:41:39,351 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:41:39,351 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 16:41:39,352 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117769908] [2021-02-21 16:41:39,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 16:41:39,354 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:41:39,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 16:41:39,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-21 16:41:39,355 INFO L87 Difference]: Start difference. First operand 233 states and 300 transitions. Second operand 10 states. [2021-02-21 16:41:40,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:41:40,720 INFO L93 Difference]: Finished difference Result 545 states and 744 transitions. [2021-02-21 16:41:40,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 16:41:40,721 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2021-02-21 16:41:40,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:41:40,725 INFO L225 Difference]: With dead ends: 545 [2021-02-21 16:41:40,725 INFO L226 Difference]: Without dead ends: 331 [2021-02-21 16:41:40,728 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 [2021-02-21 16:41:40,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2021-02-21 16:41:40,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 233. [2021-02-21 16:41:40,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2021-02-21 16:41:40,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 293 transitions. [2021-02-21 16:41:40,786 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 293 transitions. Word has length 75 [2021-02-21 16:41:40,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:41:40,786 INFO L480 AbstractCegarLoop]: Abstraction has 233 states and 293 transitions. [2021-02-21 16:41:40,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 16:41:40,786 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 293 transitions. [2021-02-21 16:41:40,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-21 16:41:40,789 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:40,789 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] [2021-02-21 16:41:40,790 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 16:41:40,790 INFO L428 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:40,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:40,791 INFO L82 PathProgramCache]: Analyzing trace with hash -972016875, now seen corresponding path program 1 times [2021-02-21 16:41:40,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:40,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792762900] [2021-02-21 16:41:40,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:40,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:40,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:40,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:40,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:40,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:40,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:41:40,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:40,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:40,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:40,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:41:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:40,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:40,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:40,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:41:40,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:40,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:40,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:40,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 16:41:40,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:40,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:40,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:40,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 16:41:40,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:40,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:40,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:40,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:41:41,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:41,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:41,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:41,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:41,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:41:41,046 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-21 16:41:41,047 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-21 16:41:41,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:41,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:41,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:41:41,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:41,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:41,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:41,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:41,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:41:41,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:41,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:41:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-21 16:41:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:41,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:41,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:41,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 16:41:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:41,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:41,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:41,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 16:41:41,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:41,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:41,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:41,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:41:41,139 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792762900] [2021-02-21 16:41:41,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:41:41,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 16:41:41,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682391565] [2021-02-21 16:41:41,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 16:41:41,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:41:41,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 16:41:41,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-21 16:41:41,144 INFO L87 Difference]: Start difference. First operand 233 states and 293 transitions. Second operand 10 states. [2021-02-21 16:41:42,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:41:42,874 INFO L93 Difference]: Finished difference Result 548 states and 738 transitions. [2021-02-21 16:41:42,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 16:41:42,875 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2021-02-21 16:41:42,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:41:42,879 INFO L225 Difference]: With dead ends: 548 [2021-02-21 16:41:42,880 INFO L226 Difference]: Without dead ends: 335 [2021-02-21 16:41:42,882 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 [2021-02-21 16:41:42,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2021-02-21 16:41:42,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 238. [2021-02-21 16:41:42,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2021-02-21 16:41:42,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 297 transitions. [2021-02-21 16:41:42,940 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 297 transitions. Word has length 75 [2021-02-21 16:41:42,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:41:42,943 INFO L480 AbstractCegarLoop]: Abstraction has 238 states and 297 transitions. [2021-02-21 16:41:42,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 16:41:42,943 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 297 transitions. [2021-02-21 16:41:42,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-21 16:41:42,954 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:42,954 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] [2021-02-21 16:41:42,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 16:41:42,955 INFO L428 AbstractCegarLoop]: === Iteration 4 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:42,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:42,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1477583255, now seen corresponding path program 1 times [2021-02-21 16:41:42,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:42,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151906101] [2021-02-21 16:41:42,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:41:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:41:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:41:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 16:41:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 16:41:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:41:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:41:43,184 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-21 16:41:43,184 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-21 16:41:43,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:41:43,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-21 16:41:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:41:43,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:41:43,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 16:41:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 16:41:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:43,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:43,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:43,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:41:43,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151906101] [2021-02-21 16:41:43,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:41:43,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 16:41:43,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704402193] [2021-02-21 16:41:43,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 16:41:43,264 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:41:43,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 16:41:43,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-21 16:41:43,265 INFO L87 Difference]: Start difference. First operand 238 states and 297 transitions. Second operand 10 states. [2021-02-21 16:41:44,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:41:44,995 INFO L93 Difference]: Finished difference Result 565 states and 756 transitions. [2021-02-21 16:41:44,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 16:41:44,996 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2021-02-21 16:41:44,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:41:45,000 INFO L225 Difference]: With dead ends: 565 [2021-02-21 16:41:45,000 INFO L226 Difference]: Without dead ends: 347 [2021-02-21 16:41:45,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2021-02-21 16:41:45,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2021-02-21 16:41:45,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 248. [2021-02-21 16:41:45,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2021-02-21 16:41:45,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 307 transitions. [2021-02-21 16:41:45,039 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 307 transitions. Word has length 75 [2021-02-21 16:41:45,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:41:45,040 INFO L480 AbstractCegarLoop]: Abstraction has 248 states and 307 transitions. [2021-02-21 16:41:45,040 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 16:41:45,040 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 307 transitions. [2021-02-21 16:41:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-21 16:41:45,042 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:45,042 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] [2021-02-21 16:41:45,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 16:41:45,042 INFO L428 AbstractCegarLoop]: === Iteration 5 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:45,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:45,043 INFO L82 PathProgramCache]: Analyzing trace with hash 1500215509, now seen corresponding path program 1 times [2021-02-21 16:41:45,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:45,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993551780] [2021-02-21 16:41:45,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,078 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-21 16:41:45,079 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-21 16:41:45,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:45,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:45,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:45,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:45,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:41:45,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:45,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:41:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:45,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:41:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:45,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 16:41:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:45,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 16:41:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:41:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:45,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:41:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:45,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-21 16:41:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:45,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 16:41:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:45,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:45,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 16:41:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:45,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:45,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:45,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:41:45,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993551780] [2021-02-21 16:41:45,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:41:45,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 16:41:45,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878175172] [2021-02-21 16:41:45,338 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 16:41:45,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:41:45,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 16:41:45,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-21 16:41:45,339 INFO L87 Difference]: Start difference. First operand 248 states and 307 transitions. Second operand 10 states. [2021-02-21 16:41:47,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:41:47,227 INFO L93 Difference]: Finished difference Result 694 states and 915 transitions. [2021-02-21 16:41:47,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-21 16:41:47,228 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 75 [2021-02-21 16:41:47,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:41:47,232 INFO L225 Difference]: With dead ends: 694 [2021-02-21 16:41:47,233 INFO L226 Difference]: Without dead ends: 465 [2021-02-21 16:41:47,234 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 [2021-02-21 16:41:47,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2021-02-21 16:41:47,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 299. [2021-02-21 16:41:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2021-02-21 16:41:47,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 353 transitions. [2021-02-21 16:41:47,276 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 353 transitions. Word has length 75 [2021-02-21 16:41:47,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:41:47,276 INFO L480 AbstractCegarLoop]: Abstraction has 299 states and 353 transitions. [2021-02-21 16:41:47,276 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 16:41:47,277 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 353 transitions. [2021-02-21 16:41:47,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2021-02-21 16:41:47,278 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:47,278 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] [2021-02-21 16:41:47,278 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 16:41:47,278 INFO L428 AbstractCegarLoop]: === Iteration 6 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:47,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:47,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1366202003, now seen corresponding path program 1 times [2021-02-21 16:41:47,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:47,279 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732550942] [2021-02-21 16:41:47,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:47,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:47,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:47,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:41:47,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:41:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:41:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 16:41:47,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:47,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 16:41:47,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:41:47,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:47,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:41:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-21 16:41:47,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 16:41:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 16:41:47,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:47,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:47,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:47,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:47,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:41:47,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732550942] [2021-02-21 16:41:47,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:41:47,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 16:41:47,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971242551] [2021-02-21 16:41:47,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 16:41:47,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:41:47,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 16:41:47,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:41:47,521 INFO L87 Difference]: Start difference. First operand 299 states and 353 transitions. Second operand 8 states. [2021-02-21 16:41:49,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:41:49,772 INFO L93 Difference]: Finished difference Result 1022 states and 1375 transitions. [2021-02-21 16:41:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-21 16:41:49,772 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2021-02-21 16:41:49,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:41:49,780 INFO L225 Difference]: With dead ends: 1022 [2021-02-21 16:41:49,780 INFO L226 Difference]: Without dead ends: 744 [2021-02-21 16:41:49,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2021-02-21 16:41:49,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2021-02-21 16:41:49,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 512. [2021-02-21 16:41:49,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2021-02-21 16:41:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 625 transitions. [2021-02-21 16:41:49,861 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 625 transitions. Word has length 75 [2021-02-21 16:41:49,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:41:49,862 INFO L480 AbstractCegarLoop]: Abstraction has 512 states and 625 transitions. [2021-02-21 16:41:49,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 16:41:49,862 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 625 transitions. [2021-02-21 16:41:49,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-02-21 16:41:49,863 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:49,863 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] [2021-02-21 16:41:49,864 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 16:41:49,864 INFO L428 AbstractCegarLoop]: === Iteration 7 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:49,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:49,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1279127601, now seen corresponding path program 1 times [2021-02-21 16:41:49,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:49,865 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363733760] [2021-02-21 16:41:49,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:49,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:49,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:49,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:49,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:49,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:49,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:49,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:49,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:41:49,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:49,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:49,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:41:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:49,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:49,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:41:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:50,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:41:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:50,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 16:41:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:50,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 16:41:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:50,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:41:50,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:50,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-21 16:41:50,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:41:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:50,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-21 16:41:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:50,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-21 16:41:50,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 16:41:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:50,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 16:41:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:50,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:50,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:41:50,092 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363733760] [2021-02-21 16:41:50,092 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:41:50,092 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 16:41:50,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371863382] [2021-02-21 16:41:50,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 16:41:50,093 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:41:50,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 16:41:50,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-21 16:41:50,094 INFO L87 Difference]: Start difference. First operand 512 states and 625 transitions. Second operand 7 states. [2021-02-21 16:41:51,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:41:51,689 INFO L93 Difference]: Finished difference Result 1714 states and 2333 transitions. [2021-02-21 16:41:51,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 16:41:51,690 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2021-02-21 16:41:51,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:41:51,700 INFO L225 Difference]: With dead ends: 1714 [2021-02-21 16:41:51,700 INFO L226 Difference]: Without dead ends: 1227 [2021-02-21 16:41:51,704 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 [2021-02-21 16:41:51,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2021-02-21 16:41:51,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1048. [2021-02-21 16:41:51,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1048 states. [2021-02-21 16:41:51,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 1048 states and 1348 transitions. [2021-02-21 16:41:51,856 INFO L78 Accepts]: Start accepts. Automaton has 1048 states and 1348 transitions. Word has length 76 [2021-02-21 16:41:51,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:41:51,856 INFO L480 AbstractCegarLoop]: Abstraction has 1048 states and 1348 transitions. [2021-02-21 16:41:51,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 16:41:51,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1048 states and 1348 transitions. [2021-02-21 16:41:51,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-02-21 16:41:51,859 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:51,860 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] [2021-02-21 16:41:51,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 16:41:51,860 INFO L428 AbstractCegarLoop]: === Iteration 8 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:51,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:51,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1572428728, now seen corresponding path program 1 times [2021-02-21 16:41:51,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:51,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1553295214] [2021-02-21 16:41:51,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:51,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:51,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:51,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:51,890 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:51,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:51,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:51,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:41:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:51,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:51,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:41:51,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:51,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:51,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:41:51,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:41:51,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:51,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:51,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:51,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 16:41:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:51,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:51,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-21 16:41:52,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 16:41:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:52,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:52,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:52,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:41:52,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:52,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:52,048 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:52,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:41:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:52,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:52,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:52,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-21 16:41:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:52,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:52,056 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:52,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 16:41:52,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:52,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:52,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:52,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 16:41:52,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:52,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:52,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:52,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-21 16:41:52,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:52,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:52,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:52,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-21 16:41:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:52,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:52,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:52,107 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-21 16:41:52,107 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1553295214] [2021-02-21 16:41:52,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:41:52,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 16:41:52,108 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868354049] [2021-02-21 16:41:52,109 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:41:52,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:41:52,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:41:52,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:41:52,110 INFO L87 Difference]: Start difference. First operand 1048 states and 1348 transitions. Second operand 9 states. [2021-02-21 16:41:53,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:41:53,655 INFO L93 Difference]: Finished difference Result 2379 states and 3241 transitions. [2021-02-21 16:41:53,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-21 16:41:53,656 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2021-02-21 16:41:53,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:41:53,667 INFO L225 Difference]: With dead ends: 2379 [2021-02-21 16:41:53,668 INFO L226 Difference]: Without dead ends: 1352 [2021-02-21 16:41:53,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2021-02-21 16:41:53,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2021-02-21 16:41:53,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1080. [2021-02-21 16:41:53,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1080 states. [2021-02-21 16:41:53,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1080 states to 1080 states and 1395 transitions. [2021-02-21 16:41:53,826 INFO L78 Accepts]: Start accepts. Automaton has 1080 states and 1395 transitions. Word has length 95 [2021-02-21 16:41:53,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:41:53,826 INFO L480 AbstractCegarLoop]: Abstraction has 1080 states and 1395 transitions. [2021-02-21 16:41:53,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:41:53,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1395 transitions. [2021-02-21 16:41:53,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2021-02-21 16:41:53,828 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:53,829 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] [2021-02-21 16:41:53,829 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 16:41:53,829 INFO L428 AbstractCegarLoop]: === Iteration 9 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:53,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:53,829 INFO L82 PathProgramCache]: Analyzing trace with hash 1332188982, now seen corresponding path program 1 times [2021-02-21 16:41:53,830 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:53,830 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136049598] [2021-02-21 16:41:53,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:53,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:53,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:53,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:53,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:41:53,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:53,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:53,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:41:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:53,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:53,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:53,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:41:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:53,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:53,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:53,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:41:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:53,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:53,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:53,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-21 16:41:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:53,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:53,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:53,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-21 16:41:53,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:53,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:53,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:41:53,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:54,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:54,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:54,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:41:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:54,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:54,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:54,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-02-21 16:41:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:54,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:54,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:54,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2021-02-21 16:41:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:54,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:54,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:54,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-21 16:41:54,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:54,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:54,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:54,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-21 16:41:54,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:54,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:54,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:54,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:54,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:41:54,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-02-21 16:41:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:41:54,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:41:54,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:41:54,054 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-21 16:41:54,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136049598] [2021-02-21 16:41:54,055 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:41:54,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 16:41:54,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805668966] [2021-02-21 16:41:54,056 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 16:41:54,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:41:54,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 16:41:54,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:41:54,057 INFO L87 Difference]: Start difference. First operand 1080 states and 1395 transitions. Second operand 8 states. [2021-02-21 16:41:56,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:41:56,332 INFO L93 Difference]: Finished difference Result 3546 states and 5020 transitions. [2021-02-21 16:41:56,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-21 16:41:56,333 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 95 [2021-02-21 16:41:56,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:41:56,349 INFO L225 Difference]: With dead ends: 3546 [2021-02-21 16:41:56,350 INFO L226 Difference]: Without dead ends: 1907 [2021-02-21 16:41:56,360 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 [2021-02-21 16:41:56,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1907 states. [2021-02-21 16:41:56,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1907 to 1692. [2021-02-21 16:41:56,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1692 states. [2021-02-21 16:41:56,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1692 states to 1692 states and 2248 transitions. [2021-02-21 16:41:56,596 INFO L78 Accepts]: Start accepts. Automaton has 1692 states and 2248 transitions. Word has length 95 [2021-02-21 16:41:56,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:41:56,598 INFO L480 AbstractCegarLoop]: Abstraction has 1692 states and 2248 transitions. [2021-02-21 16:41:56,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 16:41:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2248 transitions. [2021-02-21 16:41:56,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-02-21 16:41:56,603 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:41:56,603 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] [2021-02-21 16:41:56,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 16:41:56,604 INFO L428 AbstractCegarLoop]: === Iteration 10 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:41:56,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:41:56,605 INFO L82 PathProgramCache]: Analyzing trace with hash -2099556859, now seen corresponding path program 1 times [2021-02-21 16:41:56,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:41:56,605 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165495924] [2021-02-21 16:41:56,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:41:56,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 16:41:56,642 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 16:41:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-21 16:41:56,678 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-21 16:41:56,778 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-02-21 16:41:56,778 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-21 16:41:56,778 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 16:41:56,993 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:41:56 BoogieIcfgContainer [2021-02-21 16:41:56,994 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:41:56,995 INFO L168 Benchmark]: Toolchain (without parser) took 23238.56 ms. Allocated memory was 151.0 MB in the beginning and 465.6 MB in the end (delta: 314.6 MB). Free memory was 125.7 MB in the beginning and 434.9 MB in the end (delta: -309.2 MB). Peak memory consumption was 231.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:41:56,996 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:41:56,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 438.83 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 112.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-02-21 16:41:56,997 INFO L168 Benchmark]: Boogie Preprocessor took 56.50 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 110.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:41:56,997 INFO L168 Benchmark]: RCFGBuilder took 837.26 ms. Allocated memory is still 151.0 MB. Free memory was 110.2 MB in the beginning and 112.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:41:56,997 INFO L168 Benchmark]: TraceAbstraction took 21881.88 ms. Allocated memory was 151.0 MB in the beginning and 465.6 MB in the end (delta: 314.6 MB). Free memory was 112.4 MB in the beginning and 434.9 MB in the end (delta: -322.5 MB). Peak memory consumption was 218.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:41:56,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 438.83 ms. Allocated memory is still 151.0 MB. Free memory was 124.5 MB in the beginning and 112.3 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 56.50 ms. Allocated memory is still 151.0 MB. Free memory was 112.3 MB in the beginning and 110.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 837.26 ms. Allocated memory is still 151.0 MB. Free memory was 110.2 MB in the beginning and 112.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21881.88 ms. Allocated memory was 151.0 MB in the beginning and 465.6 MB in the end (delta: 314.6 MB). Free memory was 112.4 MB in the beginning and 434.9 MB in the end (delta: -322.5 MB). Peak memory consumption was 218.0 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: 21.5s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 17.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1117 SDtfs, 4047 SDslu, 465 SDs, 0 SdLazy, 7285 SolverSat, 2468 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 366 GetRequests, 219 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 399 ImplicationChecksByTransitivity, 3.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1692occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 9 MinimizatonAttempts, 1465 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 845 NumberOfCodeBlocks, 845 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 707 ConstructedInterpolants, 0 QuantifiedInterpolants, 149710 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 30/30 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...