/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/ntdrivers-simplified/kbfiltr_simpl1.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 13:33:11,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 13:33:11,159 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 13:33:11,195 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 13:33:11,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 13:33:11,197 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 13:33:11,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 13:33:11,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 13:33:11,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 13:33:11,205 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 13:33:11,206 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 13:33:11,208 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 13:33:11,208 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 13:33:11,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 13:33:11,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 13:33:11,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 13:33:11,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 13:33:11,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 13:33:11,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 13:33:11,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 13:33:11,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 13:33:11,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 13:33:11,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 13:33:11,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 13:33:11,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 13:33:11,246 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 13:33:11,246 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 13:33:11,247 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 13:33:11,248 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 13:33:11,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 13:33:11,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 13:33:11,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 13:33:11,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 13:33:11,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 13:33:11,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 13:33:11,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 13:33:11,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 13:33:11,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 13:33:11,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 13:33:11,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 13:33:11,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 13:33:11,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-23 13:33:11,291 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 13:33:11,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 13:33:11,293 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-23 13:33:11,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-23 13:33:11,294 INFO L138 SettingsManager]: * Use SBE=true [2021-02-23 13:33:11,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 13:33:11,295 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 13:33:11,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 13:33:11,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 13:33:11,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 13:33:11,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 13:33:11,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 13:33:11,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 13:33:11,296 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 13:33:11,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 13:33:11,297 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 13:33:11,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 13:33:11,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 13:33:11,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-23 13:33:11,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 13:33:11,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:33:11,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 13:33:11,299 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-23 13:33:11,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-23 13:33:11,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-23 13:33:11,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-23 13:33:11,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 13:33:11,300 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-23 13:33:11,300 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 13:33:11,666 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 13:33:11,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 13:33:11,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 13:33:11,701 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 13:33:11,702 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 13:33:11,703 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-02-23 13:33:11,785 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a26a3626/e38bd59f81894f9abd6fec3cfd152658/FLAG50a2be59c [2021-02-23 13:33:12,526 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 13:33:12,530 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-02-23 13:33:12,547 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a26a3626/e38bd59f81894f9abd6fec3cfd152658/FLAG50a2be59c [2021-02-23 13:33:12,572 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a26a3626/e38bd59f81894f9abd6fec3cfd152658 [2021-02-23 13:33:12,581 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 13:33:12,598 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 13:33:12,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 13:33:12,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 13:33:12,605 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 13:33:12,606 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:33:12" (1/1) ... [2021-02-23 13:33:12,608 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1d3aa7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:12, skipping insertion in model container [2021-02-23 13:33:12,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 01:33:12" (1/1) ... [2021-02-23 13:33:12,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 13:33:12,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 13:33:12,921 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-02-23 13:33:12,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:33:12,936 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 13:33:12,992 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c[17080,17093] [2021-02-23 13:33:12,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 13:33:13,014 INFO L208 MainTranslator]: Completed translation [2021-02-23 13:33:13,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13 WrapperNode [2021-02-23 13:33:13,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 13:33:13,017 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 13:33:13,017 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 13:33:13,017 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 13:33:13,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13" (1/1) ... [2021-02-23 13:33:13,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13" (1/1) ... [2021-02-23 13:33:13,045 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13" (1/1) ... [2021-02-23 13:33:13,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13" (1/1) ... [2021-02-23 13:33:13,060 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13" (1/1) ... [2021-02-23 13:33:13,072 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13" (1/1) ... [2021-02-23 13:33:13,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13" (1/1) ... [2021-02-23 13:33:13,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 13:33:13,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 13:33:13,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 13:33:13,092 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 13:33:13,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 13:33:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 13:33:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 13:33:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 13:33:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2021-02-23 13:33:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2021-02-23 13:33:13,215 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2021-02-23 13:33:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 13:33:13,216 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-02-23 13:33:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-02-23 13:33:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-02-23 13:33:13,217 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-02-23 13:33:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-02-23 13:33:13,218 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2021-02-23 13:33:13,219 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-02-23 13:33:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 13:33:13,221 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 13:33:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 13:33:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 13:33:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-02-23 13:33:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 13:33:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-23 13:33:13,222 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2021-02-23 13:33:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-02-23 13:33:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-02-23 13:33:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-02-23 13:33:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2021-02-23 13:33:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2021-02-23 13:33:13,223 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2021-02-23 13:33:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-02-23 13:33:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-02-23 13:33:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 13:33:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-02-23 13:33:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 13:33:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 13:33:13,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 13:33:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 13:33:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 13:33:13,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 13:33:13,605 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-02-23 13:33:13,700 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-02-23 13:33:13,700 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-02-23 13:33:13,702 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-02-23 13:33:13,741 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2021-02-23 13:33:13,741 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2021-02-23 13:33:13,777 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-02-23 13:33:13,799 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-02-23 13:33:13,799 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-02-23 13:33:13,812 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-02-23 13:33:13,994 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2021-02-23 13:33:13,995 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2021-02-23 13:33:14,033 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 13:33:14,036 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 13:33:14,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:33:14 BoogieIcfgContainer [2021-02-23 13:33:14,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 13:33:14,043 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 13:33:14,044 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 13:33:14,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 13:33:14,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 01:33:12" (1/3) ... [2021-02-23 13:33:14,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efaa0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:33:14, skipping insertion in model container [2021-02-23 13:33:14,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 01:33:13" (2/3) ... [2021-02-23 13:33:14,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7efaa0db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 01:33:14, skipping insertion in model container [2021-02-23 13:33:14,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 01:33:14" (3/3) ... [2021-02-23 13:33:14,054 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2021-02-23 13:33:14,061 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-23 13:33:14,070 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 13:33:14,091 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 13:33:14,123 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 13:33:14,123 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 13:33:14,124 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-23 13:33:14,124 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 13:33:14,124 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 13:33:14,124 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 13:33:14,124 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 13:33:14,124 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 13:33:14,149 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2021-02-23 13:33:14,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-23 13:33:14,157 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:14,158 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] [2021-02-23 13:33:14,158 INFO L428 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:14,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:14,166 INFO L82 PathProgramCache]: Analyzing trace with hash -657298671, now seen corresponding path program 1 times [2021-02-23 13:33:14,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:14,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795884359] [2021-02-23 13:33:14,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:14,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:14,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:14,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:14,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:14,567 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-23 13:33:14,568 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-23 13:33:14,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:14,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:14,712 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-02-23 13:33:14,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:14,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:14,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:14,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:14,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:14,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:14,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:14,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:14,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795884359] [2021-02-23 13:33:14,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:14,854 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 13:33:14,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533307116] [2021-02-23 13:33:14,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 13:33:14,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:14,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 13:33:14,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:33:14,887 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 5 states. [2021-02-23 13:33:15,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:15,946 INFO L93 Difference]: Finished difference Result 302 states and 462 transitions. [2021-02-23 13:33:15,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 13:33:15,948 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2021-02-23 13:33:15,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:15,962 INFO L225 Difference]: With dead ends: 302 [2021-02-23 13:33:15,963 INFO L226 Difference]: Without dead ends: 157 [2021-02-23 13:33:15,969 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 13:33:15,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-02-23 13:33:16,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2021-02-23 13:33:16,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-02-23 13:33:16,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2021-02-23 13:33:16,079 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 20 [2021-02-23 13:33:16,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:16,081 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2021-02-23 13:33:16,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 13:33:16,081 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2021-02-23 13:33:16,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-23 13:33:16,083 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:16,084 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] [2021-02-23 13:33:16,084 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 13:33:16,084 INFO L428 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:16,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:16,086 INFO L82 PathProgramCache]: Analyzing trace with hash 919351458, now seen corresponding path program 1 times [2021-02-23 13:33:16,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:16,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686206959] [2021-02-23 13:33:16,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:16,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:16,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:16,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:16,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:16,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:16,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:16,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:16,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:16,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:16,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:16,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:16,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:16,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:16,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:16,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:16,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:16,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:16,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:16,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:16,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686206959] [2021-02-23 13:33:16,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:16,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:33:16,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476217108] [2021-02-23 13:33:16,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:33:16,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:16,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:33:16,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:33:16,469 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 6 states. [2021-02-23 13:33:17,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:17,465 INFO L93 Difference]: Finished difference Result 275 states and 370 transitions. [2021-02-23 13:33:17,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 13:33:17,466 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-02-23 13:33:17,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:17,469 INFO L225 Difference]: With dead ends: 275 [2021-02-23 13:33:17,469 INFO L226 Difference]: Without dead ends: 219 [2021-02-23 13:33:17,475 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:33:17,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-02-23 13:33:17,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 195. [2021-02-23 13:33:17,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2021-02-23 13:33:17,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 259 transitions. [2021-02-23 13:33:17,521 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 259 transitions. Word has length 26 [2021-02-23 13:33:17,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:17,522 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 259 transitions. [2021-02-23 13:33:17,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:33:17,522 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 259 transitions. [2021-02-23 13:33:17,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-23 13:33:17,523 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:17,523 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] [2021-02-23 13:33:17,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 13:33:17,529 INFO L428 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:17,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:17,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1564864640, now seen corresponding path program 1 times [2021-02-23 13:33:17,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:17,530 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209443223] [2021-02-23 13:33:17,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:17,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:17,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:17,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:17,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:17,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:17,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:17,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:17,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:17,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:17,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:17,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:17,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:17,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:17,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:17,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:17,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:17,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:17,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:17,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:17,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209443223] [2021-02-23 13:33:17,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:17,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 13:33:17,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214520397] [2021-02-23 13:33:17,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 13:33:17,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:17,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 13:33:17,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-02-23 13:33:17,767 INFO L87 Difference]: Start difference. First operand 195 states and 259 transitions. Second operand 6 states. [2021-02-23 13:33:18,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:18,524 INFO L93 Difference]: Finished difference Result 316 states and 413 transitions. [2021-02-23 13:33:18,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 13:33:18,525 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2021-02-23 13:33:18,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:18,528 INFO L225 Difference]: With dead ends: 316 [2021-02-23 13:33:18,528 INFO L226 Difference]: Without dead ends: 254 [2021-02-23 13:33:18,529 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:33:18,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-02-23 13:33:18,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 217. [2021-02-23 13:33:18,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2021-02-23 13:33:18,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 289 transitions. [2021-02-23 13:33:18,582 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 289 transitions. Word has length 27 [2021-02-23 13:33:18,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:18,582 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 289 transitions. [2021-02-23 13:33:18,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 13:33:18,583 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 289 transitions. [2021-02-23 13:33:18,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-23 13:33:18,588 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:18,588 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] [2021-02-23 13:33:18,588 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 13:33:18,589 INFO L428 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:18,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:18,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1424448937, now seen corresponding path program 1 times [2021-02-23 13:33:18,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:18,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513406932] [2021-02-23 13:33:18,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:18,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:18,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:18,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:33:18,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:18,698 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,699 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:18,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:18,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:18,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:18,814 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-02-23 13:33:18,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:18,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:18,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:18,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:33:18,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:18,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:18,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:18,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513406932] [2021-02-23 13:33:18,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:18,914 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 13:33:18,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897169249] [2021-02-23 13:33:18,915 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 13:33:18,916 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:18,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 13:33:18,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 13:33:18,917 INFO L87 Difference]: Start difference. First operand 217 states and 289 transitions. Second operand 7 states. [2021-02-23 13:33:20,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:20,002 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2021-02-23 13:33:20,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 13:33:20,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2021-02-23 13:33:20,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:20,006 INFO L225 Difference]: With dead ends: 220 [2021-02-23 13:33:20,006 INFO L226 Difference]: Without dead ends: 217 [2021-02-23 13:33:20,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-02-23 13:33:20,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-02-23 13:33:20,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2021-02-23 13:33:20,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2021-02-23 13:33:20,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2021-02-23 13:33:20,038 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 37 [2021-02-23 13:33:20,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:20,038 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2021-02-23 13:33:20,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 13:33:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2021-02-23 13:33:20,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-02-23 13:33:20,041 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:20,041 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] [2021-02-23 13:33:20,042 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 13:33:20,042 INFO L428 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:20,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:20,043 INFO L82 PathProgramCache]: Analyzing trace with hash -327288786, now seen corresponding path program 1 times [2021-02-23 13:33:20,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:20,043 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [888281338] [2021-02-23 13:33:20,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:20,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:20,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:20,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:20,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:33:20,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:20,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:20,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:20,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:20,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:20,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:20,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:20,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:20,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:20,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:20,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:20,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:20,310 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [888281338] [2021-02-23 13:33:20,310 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:20,311 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 13:33:20,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187474902] [2021-02-23 13:33:20,311 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:33:20,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:20,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:33:20,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:33:20,313 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand 9 states. [2021-02-23 13:33:21,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:21,457 INFO L93 Difference]: Finished difference Result 274 states and 356 transitions. [2021-02-23 13:33:21,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:33:21,458 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2021-02-23 13:33:21,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:21,460 INFO L225 Difference]: With dead ends: 274 [2021-02-23 13:33:21,460 INFO L226 Difference]: Without dead ends: 208 [2021-02-23 13:33:21,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-02-23 13:33:21,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-02-23 13:33:21,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 190. [2021-02-23 13:33:21,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-02-23 13:33:21,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 250 transitions. [2021-02-23 13:33:21,487 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 250 transitions. Word has length 45 [2021-02-23 13:33:21,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:21,488 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 250 transitions. [2021-02-23 13:33:21,488 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:33:21,488 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2021-02-23 13:33:21,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-23 13:33:21,491 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:21,491 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] [2021-02-23 13:33:21,491 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 13:33:21,491 INFO L428 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:21,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:21,492 INFO L82 PathProgramCache]: Analyzing trace with hash 1063639731, now seen corresponding path program 1 times [2021-02-23 13:33:21,492 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:21,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576531815] [2021-02-23 13:33:21,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:21,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:21,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:21,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:21,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:33:21,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:21,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:21,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:21,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:21,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:21,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:21,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:21,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:21,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:21,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:21,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:21,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:21,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-23 13:33:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:21,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:21,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:21,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:21,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:21,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:21,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-23 13:33:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:21,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:21,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:21,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576531815] [2021-02-23 13:33:21,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:21,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 13:33:21,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044272570] [2021-02-23 13:33:21,749 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 13:33:21,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:21,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 13:33:21,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-02-23 13:33:21,750 INFO L87 Difference]: Start difference. First operand 190 states and 250 transitions. Second operand 8 states. [2021-02-23 13:33:21,882 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-23 13:33:22,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:22,330 INFO L93 Difference]: Finished difference Result 258 states and 336 transitions. [2021-02-23 13:33:22,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 13:33:22,331 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-23 13:33:22,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:22,333 INFO L225 Difference]: With dead ends: 258 [2021-02-23 13:33:22,333 INFO L226 Difference]: Without dead ends: 197 [2021-02-23 13:33:22,334 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-02-23 13:33:22,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-02-23 13:33:22,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2021-02-23 13:33:22,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-02-23 13:33:22,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2021-02-23 13:33:22,358 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 51 [2021-02-23 13:33:22,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:22,359 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2021-02-23 13:33:22,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 13:33:22,359 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2021-02-23 13:33:22,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-02-23 13:33:22,361 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:22,361 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] [2021-02-23 13:33:22,361 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 13:33:22,362 INFO L428 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:22,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:22,362 INFO L82 PathProgramCache]: Analyzing trace with hash -1356664997, now seen corresponding path program 1 times [2021-02-23 13:33:22,362 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:22,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618885958] [2021-02-23 13:33:22,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:22,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:22,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:22,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:22,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:22,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:33:22,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:22,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:22,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:22,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:22,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:22,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:22,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:22,533 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 13:33:22,534 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 13:33:22,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:22,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:22,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:22,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 13:33:22,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:22,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:22,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:22,594 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 13:33:22,595 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 13:33:22,606 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 13:33:22,607 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 13:33:22,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:22,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:22,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:22,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:22,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:22,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:22,694 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618885958] [2021-02-23 13:33:22,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:22,694 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 13:33:22,694 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300721313] [2021-02-23 13:33:22,695 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 13:33:22,695 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:22,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 13:33:22,696 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:33:22,696 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand 12 states. [2021-02-23 13:33:23,385 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-02-23 13:33:24,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:24,007 INFO L93 Difference]: Finished difference Result 234 states and 300 transitions. [2021-02-23 13:33:24,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 13:33:24,007 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2021-02-23 13:33:24,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:24,009 INFO L225 Difference]: With dead ends: 234 [2021-02-23 13:33:24,010 INFO L226 Difference]: Without dead ends: 210 [2021-02-23 13:33:24,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2021-02-23 13:33:24,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-02-23 13:33:24,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 188. [2021-02-23 13:33:24,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-02-23 13:33:24,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 244 transitions. [2021-02-23 13:33:24,035 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 244 transitions. Word has length 50 [2021-02-23 13:33:24,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:24,035 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 244 transitions. [2021-02-23 13:33:24,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 13:33:24,035 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2021-02-23 13:33:24,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-23 13:33:24,037 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:24,037 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] [2021-02-23 13:33:24,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 13:33:24,038 INFO L428 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:24,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:24,038 INFO L82 PathProgramCache]: Analyzing trace with hash -957846954, now seen corresponding path program 1 times [2021-02-23 13:33:24,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:24,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857092872] [2021-02-23 13:33:24,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:24,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:24,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:24,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:33:24,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:33:24,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:24,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:24,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:24,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:24,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:24,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:24,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:24,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 13:33:24,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:24,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:24,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:24,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:24,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:24,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857092872] [2021-02-23 13:33:24,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:24,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 13:33:24,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706242448] [2021-02-23 13:33:24,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 13:33:24,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:24,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 13:33:24,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-02-23 13:33:24,316 INFO L87 Difference]: Start difference. First operand 188 states and 244 transitions. Second operand 10 states. [2021-02-23 13:33:24,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:24,824 INFO L93 Difference]: Finished difference Result 203 states and 262 transitions. [2021-02-23 13:33:24,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 13:33:24,824 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2021-02-23 13:33:24,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:24,826 INFO L225 Difference]: With dead ends: 203 [2021-02-23 13:33:24,826 INFO L226 Difference]: Without dead ends: 91 [2021-02-23 13:33:24,826 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:33:24,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-02-23 13:33:24,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-02-23 13:33:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-23 13:33:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2021-02-23 13:33:24,840 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 52 [2021-02-23 13:33:24,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:24,840 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2021-02-23 13:33:24,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 13:33:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2021-02-23 13:33:24,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-23 13:33:24,841 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:24,841 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] [2021-02-23 13:33:24,842 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 13:33:24,842 INFO L428 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:24,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:24,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1066997237, now seen corresponding path program 1 times [2021-02-23 13:33:24,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:24,843 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996817762] [2021-02-23 13:33:24,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:24,889 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:24,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:33:24,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:24,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:24,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:24,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:24,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:25,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:25,032 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 13:33:25,033 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 13:33:25,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:25,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:25,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:25,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:25,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:25,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:25,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:25,111 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 13:33:25,112 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 13:33:25,124 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-23 13:33:25,125 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-23 13:33:25,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:33:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:25,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:25,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:25,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:25,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:25,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:25,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:25,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:25,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:33:25,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:25,199 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996817762] [2021-02-23 13:33:25,199 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:25,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 13:33:25,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808435352] [2021-02-23 13:33:25,200 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 13:33:25,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:25,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 13:33:25,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:33:25,201 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand 12 states. [2021-02-23 13:33:25,358 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-23 13:33:25,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:25,872 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2021-02-23 13:33:25,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 13:33:25,872 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2021-02-23 13:33:25,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:25,874 INFO L225 Difference]: With dead ends: 119 [2021-02-23 13:33:25,874 INFO L226 Difference]: Without dead ends: 91 [2021-02-23 13:33:25,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2021-02-23 13:33:25,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-02-23 13:33:25,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-02-23 13:33:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-23 13:33:25,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2021-02-23 13:33:25,886 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 59 [2021-02-23 13:33:25,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:25,887 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2021-02-23 13:33:25,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 13:33:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2021-02-23 13:33:25,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-23 13:33:25,888 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:25,888 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] [2021-02-23 13:33:25,888 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 13:33:25,889 INFO L428 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:25,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:25,889 INFO L82 PathProgramCache]: Analyzing trace with hash 438062746, now seen corresponding path program 1 times [2021-02-23 13:33:25,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:25,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426880830] [2021-02-23 13:33:25,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:25,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:25,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:25,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:25,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:25,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:25,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:26,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:26,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:26,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:33:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:26,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426880830] [2021-02-23 13:33:26,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:26,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 13:33:26,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342533266] [2021-02-23 13:33:26,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:33:26,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:26,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:33:26,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:33:26,134 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand 9 states. [2021-02-23 13:33:26,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:26,393 INFO L93 Difference]: Finished difference Result 125 states and 141 transitions. [2021-02-23 13:33:26,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 13:33:26,393 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2021-02-23 13:33:26,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:26,395 INFO L225 Difference]: With dead ends: 125 [2021-02-23 13:33:26,395 INFO L226 Difference]: Without dead ends: 97 [2021-02-23 13:33:26,395 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:33:26,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-02-23 13:33:26,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2021-02-23 13:33:26,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-23 13:33:26,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2021-02-23 13:33:26,407 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 61 [2021-02-23 13:33:26,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:26,407 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2021-02-23 13:33:26,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:33:26,408 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2021-02-23 13:33:26,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-23 13:33:26,408 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:26,408 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] [2021-02-23 13:33:26,409 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 13:33:26,409 INFO L428 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:26,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:26,409 INFO L82 PathProgramCache]: Analyzing trace with hash -148743268, now seen corresponding path program 1 times [2021-02-23 13:33:26,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:26,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772686826] [2021-02-23 13:33:26,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:26,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:33:26,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:33:26,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:26,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,542 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:26,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:26,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:26,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:33:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:26,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:26,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:26,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:26,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:26,698 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772686826] [2021-02-23 13:33:26,698 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:26,698 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 13:33:26,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854247151] [2021-02-23 13:33:26,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 13:33:26,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:26,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 13:33:26,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:33:26,700 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand 12 states. [2021-02-23 13:33:27,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:27,074 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2021-02-23 13:33:27,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:33:27,075 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2021-02-23 13:33:27,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:27,076 INFO L225 Difference]: With dead ends: 112 [2021-02-23 13:33:27,076 INFO L226 Difference]: Without dead ends: 93 [2021-02-23 13:33:27,077 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:33:27,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-02-23 13:33:27,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2021-02-23 13:33:27,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-02-23 13:33:27,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2021-02-23 13:33:27,089 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 61 [2021-02-23 13:33:27,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:27,089 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2021-02-23 13:33:27,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 13:33:27,089 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2021-02-23 13:33:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-02-23 13:33:27,090 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:27,090 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] [2021-02-23 13:33:27,091 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 13:33:27,091 INFO L428 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:27,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:27,091 INFO L82 PathProgramCache]: Analyzing trace with hash 457949083, now seen corresponding path program 1 times [2021-02-23 13:33:27,092 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:27,092 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248420772] [2021-02-23 13:33:27,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:27,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:33:27,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:27,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:33:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:27,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:27,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248420772] [2021-02-23 13:33:27,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:27,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 13:33:27,346 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849904617] [2021-02-23 13:33:27,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:33:27,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:27,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:33:27,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:33:27,348 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 9 states. [2021-02-23 13:33:27,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:27,616 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2021-02-23 13:33:27,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 13:33:27,617 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2021-02-23 13:33:27,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:27,618 INFO L225 Difference]: With dead ends: 105 [2021-02-23 13:33:27,618 INFO L226 Difference]: Without dead ends: 100 [2021-02-23 13:33:27,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-02-23 13:33:27,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-02-23 13:33:27,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 91. [2021-02-23 13:33:27,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-23 13:33:27,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2021-02-23 13:33:27,630 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 62 [2021-02-23 13:33:27,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:27,631 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2021-02-23 13:33:27,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:33:27,631 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2021-02-23 13:33:27,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-02-23 13:33:27,632 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:27,632 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] [2021-02-23 13:33:27,633 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 13:33:27,633 INFO L428 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:27,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:27,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1607349772, now seen corresponding path program 1 times [2021-02-23 13:33:27,634 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:27,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498701295] [2021-02-23 13:33:27,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:27,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:27,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:27,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:27,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:27,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,819 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:27,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:27,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:27,876 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:27,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:33:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:27,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:27,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:27,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:27,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498701295] [2021-02-23 13:33:27,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:27,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 13:33:27,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787111393] [2021-02-23 13:33:27,929 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 13:33:27,929 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:27,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 13:33:27,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:33:27,930 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 12 states. [2021-02-23 13:33:28,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:28,293 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2021-02-23 13:33:28,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:33:28,294 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2021-02-23 13:33:28,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:28,295 INFO L225 Difference]: With dead ends: 98 [2021-02-23 13:33:28,295 INFO L226 Difference]: Without dead ends: 91 [2021-02-23 13:33:28,295 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:33:28,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-02-23 13:33:28,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-02-23 13:33:28,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-23 13:33:28,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 97 transitions. [2021-02-23 13:33:28,319 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 97 transitions. Word has length 62 [2021-02-23 13:33:28,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:28,319 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 97 transitions. [2021-02-23 13:33:28,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 13:33:28,319 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2021-02-23 13:33:28,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-23 13:33:28,320 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:28,320 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] [2021-02-23 13:33:28,320 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 13:33:28,320 INFO L428 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:28,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:28,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1073874348, now seen corresponding path program 1 times [2021-02-23 13:33:28,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:28,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27179772] [2021-02-23 13:33:28,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:28,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:28,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:28,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:28,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:28,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:28,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:28,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:28,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:28,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:28,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:28,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:28,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:28,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:28,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:33:28,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:33:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:28,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:28,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:33:28,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:28,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:33:28,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:28,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:28,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:28,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:28,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:28,632 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27179772] [2021-02-23 13:33:28,632 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:28,632 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 13:33:28,632 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682391019] [2021-02-23 13:33:28,633 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:33:28,633 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:28,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:33:28,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:33:28,634 INFO L87 Difference]: Start difference. First operand 91 states and 97 transitions. Second operand 9 states. [2021-02-23 13:33:28,897 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-02-23 13:33:28,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:28,984 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2021-02-23 13:33:28,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 13:33:28,985 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2021-02-23 13:33:28,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:28,988 INFO L225 Difference]: With dead ends: 107 [2021-02-23 13:33:28,988 INFO L226 Difference]: Without dead ends: 76 [2021-02-23 13:33:28,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:33:28,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-02-23 13:33:29,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-02-23 13:33:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-23 13:33:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2021-02-23 13:33:29,004 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 63 [2021-02-23 13:33:29,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:29,005 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2021-02-23 13:33:29,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:33:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2021-02-23 13:33:29,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-23 13:33:29,006 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:29,007 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] [2021-02-23 13:33:29,007 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 13:33:29,007 INFO L428 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:29,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:29,010 INFO L82 PathProgramCache]: Analyzing trace with hash 1942054886, now seen corresponding path program 1 times [2021-02-23 13:33:29,010 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:29,010 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766384501] [2021-02-23 13:33:29,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:33:29,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 13:33:29,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:29,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:29,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:33:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:29,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766384501] [2021-02-23 13:33:29,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:29,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-23 13:33:29,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571601670] [2021-02-23 13:33:29,287 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 13:33:29,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:29,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 13:33:29,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-02-23 13:33:29,288 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 9 states. [2021-02-23 13:33:29,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:29,638 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2021-02-23 13:33:29,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 13:33:29,639 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2021-02-23 13:33:29,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:29,641 INFO L225 Difference]: With dead ends: 141 [2021-02-23 13:33:29,641 INFO L226 Difference]: Without dead ends: 134 [2021-02-23 13:33:29,642 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=99, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:33:29,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-02-23 13:33:29,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2021-02-23 13:33:29,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-02-23 13:33:29,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2021-02-23 13:33:29,660 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2021-02-23 13:33:29,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:29,660 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2021-02-23 13:33:29,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 13:33:29,660 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2021-02-23 13:33:29,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-23 13:33:29,661 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:29,661 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] [2021-02-23 13:33:29,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-23 13:33:29,662 INFO L428 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:29,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:29,662 INFO L82 PathProgramCache]: Analyzing trace with hash -577905048, now seen corresponding path program 1 times [2021-02-23 13:33:29,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:29,663 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582477109] [2021-02-23 13:33:29,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,710 WARN L141 QuantifierPusher]: treesize reduction 26, result has 21.2 percent of original size [2021-02-23 13:33:29,710 WARN L147 QuantifierPusher]: treesize reduction 26, result has 21.2 percent of original size 7 [2021-02-23 13:33:29,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:29,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:29,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:29,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:33:29,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 13:33:29,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:33:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,937 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:29,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:29,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:29,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:29,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:29,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582477109] [2021-02-23 13:33:29,966 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:29,966 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 13:33:29,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029809006] [2021-02-23 13:33:29,967 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 13:33:29,967 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:29,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 13:33:29,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-02-23 13:33:29,968 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 12 states. [2021-02-23 13:33:30,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:30,308 INFO L93 Difference]: Finished difference Result 144 states and 149 transitions. [2021-02-23 13:33:30,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 13:33:30,308 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2021-02-23 13:33:30,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:30,310 INFO L225 Difference]: With dead ends: 144 [2021-02-23 13:33:30,310 INFO L226 Difference]: Without dead ends: 133 [2021-02-23 13:33:30,310 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:33:30,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-02-23 13:33:30,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-02-23 13:33:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-02-23 13:33:30,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2021-02-23 13:33:30,328 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 63 [2021-02-23 13:33:30,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:30,328 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2021-02-23 13:33:30,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 13:33:30,329 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2021-02-23 13:33:30,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-02-23 13:33:30,330 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 13:33:30,330 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] [2021-02-23 13:33:30,330 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-23 13:33:30,330 INFO L428 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 13:33:30,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 13:33:30,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1364815011, now seen corresponding path program 1 times [2021-02-23 13:33:30,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-23 13:33:30,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540656171] [2021-02-23 13:33:30,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 13:33:30,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:30,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:30,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:30,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:30,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 13:33:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:30,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:30,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-23 13:33:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:30,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,508 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:30,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:30,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:30,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 13:33:30,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:30,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:30,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:30,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 13:33:30,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:30,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:30,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 13:33:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:30,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:30,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-23 13:33:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:30,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 13:33:30,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 13:33:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 13:33:30,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 13:33:30,605 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 13:33:30,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 13:33:30,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 13:33:30,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540656171] [2021-02-23 13:33:30,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 13:33:30,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 13:33:30,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600356497] [2021-02-23 13:33:30,624 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 13:33:30,624 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-23 13:33:30,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 13:33:30,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-02-23 13:33:30,625 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 11 states. [2021-02-23 13:33:30,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 13:33:30,856 INFO L93 Difference]: Finished difference Result 133 states and 136 transitions. [2021-02-23 13:33:30,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 13:33:30,857 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2021-02-23 13:33:30,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 13:33:30,857 INFO L225 Difference]: With dead ends: 133 [2021-02-23 13:33:30,858 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 13:33:30,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=98, Unknown=0, NotChecked=0, Total=156 [2021-02-23 13:33:30,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 13:33:30,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 13:33:30,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 13:33:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 13:33:30,859 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-02-23 13:33:30,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 13:33:30,859 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 13:33:30,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 13:33:30,860 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 13:33:30,860 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 13:33:30,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-23 13:33:30,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 13:33:31,779 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2021-02-23 13:33:31,979 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 34 [2021-02-23 13:33:32,204 WARN L202 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-02-23 13:33:32,422 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2021-02-23 13:33:32,788 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-02-23 13:33:33,071 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 42 [2021-02-23 13:33:33,471 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2021-02-23 13:33:33,723 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 40 [2021-02-23 13:33:34,005 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 41 [2021-02-23 13:33:34,192 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 29 [2021-02-23 13:33:34,687 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 40 [2021-02-23 13:33:34,906 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2021-02-23 13:33:35,206 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2021-02-23 13:33:35,493 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 42 [2021-02-23 13:33:35,794 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-02-23 13:33:35,940 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 34 [2021-02-23 13:33:36,322 WARN L202 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2021-02-23 13:33:36,693 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 47 [2021-02-23 13:33:37,038 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 38 [2021-02-23 13:33:37,186 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2021-02-23 13:33:37,482 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2021-02-23 13:33:37,642 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-02-23 13:33:37,861 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 42 [2021-02-23 13:33:38,211 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2021-02-23 13:33:38,282 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-23 13:33:38,282 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-23 13:33:38,283 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-23 13:33:38,283 INFO L185 CegarLoopUtils]: At program point KeSetEventENTRY(lines 515 522) the Hoare annotation is: (or (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= 5 ~MPR1~0)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0)) (not (= ~s~0 ~NP~0))) [2021-02-23 13:33:38,283 INFO L189 CegarLoopUtils]: For program point KeSetEventFINAL(lines 515 522) no Hoare annotation was computed. [2021-02-23 13:33:38,284 INFO L189 CegarLoopUtils]: For program point KeSetEventEXIT(lines 515 522) no Hoare annotation was computed. [2021-02-23 13:33:38,284 INFO L185 CegarLoopUtils]: At program point KbFilter_CompleteENTRY(lines 565 575) the Hoare annotation is: (or (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= 5 ~MPR1~0)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0)) (not (= ~s~0 ~NP~0))) [2021-02-23 13:33:38,284 INFO L185 CegarLoopUtils]: At program point L571(line 571) the Hoare annotation is: (or (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (not (<= 5 ~MPR1~0)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0)) (not (= ~s~0 ~NP~0))) [2021-02-23 13:33:38,284 INFO L189 CegarLoopUtils]: For program point L571-1(line 571) no Hoare annotation was computed. [2021-02-23 13:33:38,284 INFO L189 CegarLoopUtils]: For program point KbFilter_CompleteFINAL(lines 565 575) no Hoare annotation was computed. [2021-02-23 13:33:38,285 INFO L189 CegarLoopUtils]: For program point KbFilter_CompleteEXIT(lines 565 575) no Hoare annotation was computed. [2021-02-23 13:33:38,285 INFO L189 CegarLoopUtils]: For program point stub_driver_initEXIT(lines 37 50) no Hoare annotation was computed. [2021-02-23 13:33:38,285 INFO L185 CegarLoopUtils]: At program point stub_driver_initENTRY(lines 37 50) the Hoare annotation is: (or (not (= |old(~pended~0)| 0)) (not (<= 5 ~MPR1~0)) (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3))) [2021-02-23 13:33:38,285 INFO L189 CegarLoopUtils]: For program point stub_driver_initFINAL(lines 37 50) no Hoare annotation was computed. [2021-02-23 13:33:38,285 INFO L189 CegarLoopUtils]: For program point _BLAST_initFINAL(lines 51 72) no Hoare annotation was computed. [2021-02-23 13:33:38,286 INFO L185 CegarLoopUtils]: At program point _BLAST_initENTRY(lines 51 72) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~MPR3~0 |old(~MPR3~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2021-02-23 13:33:38,286 INFO L189 CegarLoopUtils]: For program point _BLAST_initEXIT(lines 51 72) no Hoare annotation was computed. [2021-02-23 13:33:38,286 INFO L192 CegarLoopUtils]: At program point errorFnENTRY(lines 577 584) the Hoare annotation is: true [2021-02-23 13:33:38,286 INFO L189 CegarLoopUtils]: For program point errorFnFINAL(lines 577 584) no Hoare annotation was computed. [2021-02-23 13:33:38,286 INFO L189 CegarLoopUtils]: For program point errorFnEXIT(lines 577 584) no Hoare annotation was computed. [2021-02-23 13:33:38,286 INFO L189 CegarLoopUtils]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-02-23 13:33:38,286 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 288 422) no Hoare annotation was computed. [2021-02-23 13:33:38,286 INFO L185 CegarLoopUtils]: At program point L400(line 400) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|))) [2021-02-23 13:33:38,286 INFO L189 CegarLoopUtils]: For program point L359(line 359) no Hoare annotation was computed. [2021-02-23 13:33:38,287 INFO L185 CegarLoopUtils]: At program point L384(lines 377 417) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~NP~0 1) (= ~pended~0 0) (<= ~SKIP1~0 3) (= main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0))) [2021-02-23 13:33:38,287 INFO L189 CegarLoopUtils]: For program point L409(lines 409 411) no Hoare annotation was computed. [2021-02-23 13:33:38,287 INFO L185 CegarLoopUtils]: At program point L376(lines 369 418) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~NP~0 1) (= ~pended~0 0) (<= ~SKIP1~0 3) (= main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0))) [2021-02-23 13:33:38,287 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 288 422) no Hoare annotation was computed. [2021-02-23 13:33:38,287 INFO L189 CegarLoopUtils]: For program point L385(lines 369 418) no Hoare annotation was computed. [2021-02-23 13:33:38,287 INFO L189 CegarLoopUtils]: For program point L352(lines 352 367) no Hoare annotation was computed. [2021-02-23 13:33:38,287 INFO L185 CegarLoopUtils]: At program point mainENTRY(lines 288 422) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= |old(~SKIP2~0)| ~SKIP2~0) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~Executive~0)| ~Executive~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= |old(~SKIP1~0)| ~SKIP1~0) (= ~IPC~0 |old(~IPC~0)|) (= |old(~UNLOADED~0)| ~UNLOADED~0) (= ~DC~0 |old(~DC~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= ~SKIP1~0 ~s~0) (= ~myStatus~0 |old(~myStatus~0)|))) [2021-02-23 13:33:38,288 INFO L189 CegarLoopUtils]: For program point L386(lines 386 415) no Hoare annotation was computed. [2021-02-23 13:33:38,288 INFO L185 CegarLoopUtils]: At program point L353(lines 352 367) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= main_~status~1 0) (<= ~SKIP1~0 3) (= main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0))) [2021-02-23 13:33:38,288 INFO L189 CegarLoopUtils]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-02-23 13:33:38,288 INFO L189 CegarLoopUtils]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-02-23 13:33:38,288 INFO L189 CegarLoopUtils]: For program point L337(lines 323 368) no Hoare annotation was computed. [2021-02-23 13:33:38,288 INFO L189 CegarLoopUtils]: For program point L387(lines 387 414) no Hoare annotation was computed. [2021-02-23 13:33:38,288 INFO L185 CegarLoopUtils]: At program point L321(line 321) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~MPR3~0 ~s~0) (= ~pended~0 0) (= ~MPR1~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0) (= main_~status~1 0))) [2021-02-23 13:33:38,288 INFO L189 CegarLoopUtils]: For program point L321-1(lines 297 421) no Hoare annotation was computed. [2021-02-23 13:33:38,288 INFO L189 CegarLoopUtils]: For program point L404(lines 404 412) no Hoare annotation was computed. [2021-02-23 13:33:38,289 INFO L185 CegarLoopUtils]: At program point L396(lines 387 414) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~NP~0 1) (= ~pended~0 0) (<= ~SKIP1~0 3) (= main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0))) [2021-02-23 13:33:38,289 INFO L189 CegarLoopUtils]: For program point L388(lines 388 394) no Hoare annotation was computed. [2021-02-23 13:33:38,289 INFO L185 CegarLoopUtils]: At program point L355(lines 354 367) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (= main_~status~1 0) (not (= |old(~s~0)| |old(~NP~0)|))) [2021-02-23 13:33:38,289 INFO L189 CegarLoopUtils]: For program point L405(lines 405 407) no Hoare annotation was computed. [2021-02-23 13:33:38,289 INFO L189 CegarLoopUtils]: For program point L389(lines 389 391) no Hoare annotation was computed. [2021-02-23 13:33:38,289 INFO L185 CegarLoopUtils]: At program point L323(lines 297 421) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~NP~0 1) (= ~pended~0 0) (<= ~SKIP1~0 3) (= main_~__cil_tmp8~0 1) (<= 3 ~SKIP1~0))) [2021-02-23 13:33:38,289 INFO L189 CegarLoopUtils]: For program point L340-1(lines 339 349) no Hoare annotation was computed. [2021-02-23 13:33:38,289 INFO L189 CegarLoopUtils]: For program point L398(lines 398 402) no Hoare annotation was computed. [2021-02-23 13:33:38,290 INFO L189 CegarLoopUtils]: For program point L332(lines 332 335) no Hoare annotation was computed. [2021-02-23 13:33:38,290 INFO L185 CegarLoopUtils]: At program point L332-2(lines 332 335) the Hoare annotation is: (or (not (= |old(~s~0)| |old(~MPR3~0)|)) (not (= |old(~pended~0)| 0)) (not (= |old(~SKIP1~0)| |old(~s~0)|)) (not (= |old(~compRegistered~0)| 0)) (not (= |old(~s~0)| |old(~MPR1~0)|)) (not (= |old(~s~0)| |old(~NP~0)|)) (and (= ~NP~0 1) (= ~pended~0 0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= main_~status~1 0) (<= ~SKIP1~0 3) (<= 3 ~SKIP1~0) (<= 5 ~MPR1~0))) [2021-02-23 13:33:38,290 INFO L185 CegarLoopUtils]: At program point L457(lines 456 473) the Hoare annotation is: (let ((.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (= ~NP~0 1))) (.cse0 (= ~compRegistered~0 0)) (.cse3 (not (<= ~SKIP1~0 3))) (.cse4 (not (= ~pended~0 0)))) (and (or (= ~MPR1~0 ~s~0) .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4) (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not .cse0) .cse3 .cse4))) [2021-02-23 13:33:38,290 INFO L189 CegarLoopUtils]: For program point L445(lines 445 448) no Hoare annotation was computed. [2021-02-23 13:33:38,290 INFO L189 CegarLoopUtils]: For program point L445-1(lines 445 448) no Hoare annotation was computed. [2021-02-23 13:33:38,290 INFO L185 CegarLoopUtils]: At program point IofCallDriverENTRY(lines 437 500) the Hoare annotation is: (let ((.cse0 (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|)) (.cse1 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse4 (= ~compRegistered~0 0)) (.cse2 (not (<= 3 ~SKIP1~0))) (.cse3 (not (= ~NP~0 1))) (.cse5 (not (<= ~SKIP1~0 3))) (.cse6 (not (= ~pended~0 0)))) (and (or (and .cse0 .cse1 (= ~SKIP1~0 ~s~0)) .cse2 .cse3 (not (= ~SKIP1~0 |old(~s~0)|)) (not .cse4) .cse5 .cse6) (or (and .cse0 .cse1 (= ~s~0 ~NP~0)) .cse4 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse2 .cse3 .cse5 .cse6))) [2021-02-23 13:33:38,291 INFO L189 CegarLoopUtils]: For program point IofCallDriverFINAL(lines 437 500) no Hoare annotation was computed. [2021-02-23 13:33:38,291 INFO L189 CegarLoopUtils]: For program point L479(lines 479 496) no Hoare annotation was computed. [2021-02-23 13:33:38,291 INFO L185 CegarLoopUtils]: At program point L446(line 446) the Hoare annotation is: (let ((.cse2 (= ~compRegistered~0 0)) (.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (not (= ~NP~0 1))) (.cse3 (not (<= ~SKIP1~0 3))) (.cse4 (not (= ~pended~0 0)))) (and (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) (not .cse2) .cse3 .cse4) (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0)) .cse2 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse0 .cse1 .cse3 .cse4))) [2021-02-23 13:33:38,291 INFO L189 CegarLoopUtils]: For program point L446-1(line 446) no Hoare annotation was computed. [2021-02-23 13:33:38,291 INFO L185 CegarLoopUtils]: At program point L471(lines 444 499) the Hoare annotation is: (let ((.cse2 (= ~compRegistered~0 0)) (.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (not (= ~NP~0 1))) (.cse3 (not (<= ~SKIP1~0 3))) (.cse4 (not (= ~pended~0 0)))) (and (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) (not .cse2) .cse3 .cse4) (let ((.cse5 (= ~MPR1~0 ~s~0))) (or .cse2 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse0 .cse1 (and .cse5 (= ~setEventCalled~0 1) (<= IofCallDriver_~returnVal2~0 259) (<= 259 IofCallDriver_~returnVal2~0)) (and (<= IofCallDriver_~returnVal2~0 0) .cse5) .cse3 .cse4)))) [2021-02-23 13:33:38,291 INFO L189 CegarLoopUtils]: For program point IofCallDriverEXIT(lines 437 500) no Hoare annotation was computed. [2021-02-23 13:33:38,292 INFO L185 CegarLoopUtils]: At program point L459(lines 458 473) the Hoare annotation is: (let ((.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (= ~NP~0 1))) (.cse0 (= ~compRegistered~0 0)) (.cse3 (not (<= ~SKIP1~0 3))) (.cse4 (not (= ~pended~0 0)))) (and (or (and (= ~MPR1~0 ~s~0) (= ~setEventCalled~0 1)) .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4) (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not .cse0) .cse3 .cse4))) [2021-02-23 13:33:38,292 INFO L189 CegarLoopUtils]: For program point L488(lines 488 495) no Hoare annotation was computed. [2021-02-23 13:33:38,292 INFO L189 CegarLoopUtils]: For program point L451(lines 451 474) no Hoare annotation was computed. [2021-02-23 13:33:38,292 INFO L189 CegarLoopUtils]: For program point L480(lines 480 486) no Hoare annotation was computed. [2021-02-23 13:33:38,292 INFO L185 CegarLoopUtils]: At program point L447(line 447) the Hoare annotation is: (let ((.cse2 (= ~compRegistered~0 0)) (.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (not (= ~NP~0 1))) (.cse3 (not (<= ~SKIP1~0 3))) (.cse4 (not (= ~pended~0 0)))) (and (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) (not .cse2) .cse3 .cse4) (or .cse2 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse0 .cse1 .cse3 (and (= ~setEventCalled~0 1) (= ~s~0 |old(~s~0)|)) .cse4))) [2021-02-23 13:33:38,292 INFO L185 CegarLoopUtils]: At program point L493(line 493) the Hoare annotation is: (let ((.cse2 (= ~compRegistered~0 0)) (.cse0 (not (<= 3 ~SKIP1~0))) (.cse1 (not (= ~NP~0 1))) (.cse3 (not (<= ~SKIP1~0 3))) (.cse4 (not (= ~pended~0 0)))) (and (or .cse0 .cse1 (not (= ~SKIP1~0 |old(~s~0)|)) (not .cse2) .cse3 .cse4) (or .cse2 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse0 .cse1 .cse3 .cse4))) [2021-02-23 13:33:38,292 INFO L189 CegarLoopUtils]: For program point L493-1(lines 475 497) no Hoare annotation was computed. [2021-02-23 13:33:38,293 INFO L189 CegarLoopUtils]: For program point L456(lines 456 473) no Hoare annotation was computed. [2021-02-23 13:33:38,293 INFO L185 CegarLoopUtils]: At program point L452(lines 451 474) the Hoare annotation is: (let ((.cse1 (not (<= 3 ~SKIP1~0))) (.cse2 (not (= ~NP~0 1))) (.cse0 (= ~compRegistered~0 0)) (.cse3 (not (<= ~SKIP1~0 3))) (.cse4 (not (= ~pended~0 0)))) (and (or (= ~MPR1~0 ~s~0) .cse0 (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) .cse1 .cse2 .cse3 .cse4) (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) .cse1 .cse2 (not (= ~SKIP1~0 |old(~s~0)|)) (not .cse0) .cse3 .cse4))) [2021-02-23 13:33:38,293 INFO L185 CegarLoopUtils]: At program point L431(line 431) the Hoare annotation is: (or (= ~compRegistered~0 0) (not (= ~setEventCalled~0 1)) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,293 INFO L189 CegarLoopUtils]: For program point L431-1(lines 423 436) no Hoare annotation was computed. [2021-02-23 13:33:38,293 INFO L185 CegarLoopUtils]: At program point stubMoreProcessingRequiredENTRY(lines 423 436) the Hoare annotation is: (or (= ~compRegistered~0 0) (not (= ~setEventCalled~0 1)) (= ~s~0 ~NP~0) (not (<= 5 ~MPR1~0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,293 INFO L189 CegarLoopUtils]: For program point stubMoreProcessingRequiredEXIT(lines 423 436) no Hoare annotation was computed. [2021-02-23 13:33:38,294 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:33:38,294 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~NP~0 |old(~NP~0)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= ~s~0 |old(~s~0)|) (= |old(#valid)| |#valid|) (= ~IPC~0 |old(~IPC~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~DC~0 |old(~DC~0)|) (= ~compFptr~0 |old(~compFptr~0)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= ~Executive~0 |old(~Executive~0)|) (= ~myStatus~0 |old(~myStatus~0)|) (= ~compRegistered~0 |old(~compRegistered~0)|) (= ~SKIP2~0 |old(~SKIP2~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~MPR3~0 |old(~MPR3~0)|) (= ~KernelMode~0 |old(~KernelMode~0)|) (= ~SKIP1~0 |old(~SKIP1~0)|) (= ~pended~0 |old(~pended~0)|) (= ~MPR1~0 |old(~MPR1~0)|) (= ~customIrp~0 |old(~customIrp~0)|) (= ~UNLOADED~0 |old(~UNLOADED~0)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2021-02-23 13:33:38,294 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:33:38,294 INFO L185 CegarLoopUtils]: At program point L543(line 543) the Hoare annotation is: (let ((.cse0 (not (= |old(~setEventCalled~0)| 1))) (.cse1 (= ~compRegistered~0 0)) (.cse2 (not (<= 5 ~MPR1~0))) (.cse3 (not (<= 3 ~SKIP1~0))) (.cse4 (not (= ~NP~0 1))) (.cse5 (not (<= ~SKIP1~0 3))) (.cse6 (not (= ~pended~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~MPR3~0 |old(~s~0)|)) .cse5 .cse6))) [2021-02-23 13:33:38,294 INFO L189 CegarLoopUtils]: For program point L541(lines 541 545) no Hoare annotation was computed. [2021-02-23 13:33:38,294 INFO L189 CegarLoopUtils]: For program point L541-1(lines 528 547) no Hoare annotation was computed. [2021-02-23 13:33:38,295 INFO L189 CegarLoopUtils]: For program point KeWaitForSingleObjectEXIT(lines 523 564) no Hoare annotation was computed. [2021-02-23 13:33:38,295 INFO L189 CegarLoopUtils]: For program point L529(lines 529 534) no Hoare annotation was computed. [2021-02-23 13:33:38,295 INFO L189 CegarLoopUtils]: For program point L550(lines 550 562) no Hoare annotation was computed. [2021-02-23 13:33:38,295 INFO L189 CegarLoopUtils]: For program point KeWaitForSingleObjectFINAL(lines 523 564) no Hoare annotation was computed. [2021-02-23 13:33:38,295 INFO L185 CegarLoopUtils]: At program point L536(lines 528 547) the Hoare annotation is: (let ((.cse0 (not (= |old(~setEventCalled~0)| 1))) (.cse1 (= ~compRegistered~0 0)) (.cse2 (not (<= 5 ~MPR1~0))) (.cse3 (not (<= 3 ~SKIP1~0))) (.cse4 (not (= ~NP~0 1))) (.cse5 (not (<= ~SKIP1~0 3))) (.cse6 (not (= ~pended~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse4 (and (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0)) .cse5 .cse6) (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~MPR3~0 |old(~s~0)|)) .cse5 .cse6))) [2021-02-23 13:33:38,295 INFO L189 CegarLoopUtils]: For program point L528(lines 528 547) no Hoare annotation was computed. [2021-02-23 13:33:38,295 INFO L185 CegarLoopUtils]: At program point L553(lines 552 562) the Hoare annotation is: (let ((.cse0 (not (= |old(~setEventCalled~0)| 1))) (.cse1 (= ~compRegistered~0 0)) (.cse2 (= ~s~0 ~NP~0)) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (not (<= 3 ~SKIP1~0))) (.cse5 (not (= ~NP~0 1))) (.cse6 (not (<= ~SKIP1~0 3))) (.cse7 (not (= ~pended~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~MPR3~0 |old(~s~0)|)) .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5 .cse6 .cse7))) [2021-02-23 13:33:38,296 INFO L185 CegarLoopUtils]: At program point L551(lines 550 562) the Hoare annotation is: (let ((.cse0 (not (= |old(~setEventCalled~0)| 1))) (.cse1 (= ~compRegistered~0 0)) (.cse2 (= ~s~0 ~NP~0)) (.cse3 (not (<= 5 ~MPR1~0))) (.cse4 (not (<= 3 ~SKIP1~0))) (.cse5 (not (= ~NP~0 1))) (.cse6 (not (<= ~SKIP1~0 3))) (.cse7 (not (= ~pended~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (not (= ~MPR3~0 |old(~s~0)|)) .cse6 .cse7) (or .cse0 .cse1 .cse2 .cse3 (not (= ~NP~0 |old(~s~0)|)) .cse4 .cse5 .cse6 .cse7))) [2021-02-23 13:33:38,296 INFO L185 CegarLoopUtils]: At program point KeWaitForSingleObjectENTRY(lines 523 564) the Hoare annotation is: (let ((.cse0 (not (= |old(~setEventCalled~0)| 1))) (.cse1 (= ~compRegistered~0 0)) (.cse2 (not (<= 5 ~MPR1~0))) (.cse3 (not (<= 3 ~SKIP1~0))) (.cse6 (not (= ~NP~0 1))) (.cse4 (= ~setEventCalled~0 |old(~setEventCalled~0)|)) (.cse5 (= |old(~customIrp~0)| ~customIrp~0)) (.cse7 (not (<= ~SKIP1~0 3))) (.cse8 (not (= ~pended~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (= ~MPR3~0 ~s~0) .cse4 .cse5) .cse6 (not (= ~MPR3~0 |old(~s~0)|)) .cse7 .cse8) (or .cse0 .cse1 .cse2 (not (= ~NP~0 |old(~s~0)|)) .cse3 .cse6 (and .cse4 (= ~s~0 ~NP~0) .cse5) .cse7 .cse8))) [2021-02-23 13:33:38,296 INFO L185 CegarLoopUtils]: At program point L509(line 509) the Hoare annotation is: (or (= ~compRegistered~0 0) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,296 INFO L189 CegarLoopUtils]: For program point L509-1(lines 501 514) no Hoare annotation was computed. [2021-02-23 13:33:38,296 INFO L185 CegarLoopUtils]: At program point IofCompleteRequestENTRY(lines 501 514) the Hoare annotation is: (or (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,296 INFO L189 CegarLoopUtils]: For program point L505(lines 505 511) no Hoare annotation was computed. [2021-02-23 13:33:38,297 INFO L189 CegarLoopUtils]: For program point IofCompleteRequestEXIT(lines 501 514) no Hoare annotation was computed. [2021-02-23 13:33:38,297 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-23 13:33:38,297 INFO L185 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: (and (= ~MPR3~0 ~s~0) (= ~pended~0 0) (= ~MPR1~0 ~s~0) (= ~compRegistered~0 0) (= ~s~0 ~NP~0) (= ~SKIP1~0 ~s~0)) [2021-02-23 13:33:38,297 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-23 13:33:38,297 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-23 13:33:38,297 INFO L189 CegarLoopUtils]: For program point L192(lines 192 198) no Hoare annotation was computed. [2021-02-23 13:33:38,297 INFO L189 CegarLoopUtils]: For program point L159(lines 159 265) no Hoare annotation was computed. [2021-02-23 13:33:38,297 INFO L189 CegarLoopUtils]: For program point L126(lines 126 276) no Hoare annotation was computed. [2021-02-23 13:33:38,298 INFO L189 CegarLoopUtils]: For program point L192-2(lines 166 261) no Hoare annotation was computed. [2021-02-23 13:33:38,298 INFO L185 CegarLoopUtils]: At program point L242(line 242) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,298 INFO L189 CegarLoopUtils]: For program point L242-1(line 242) no Hoare annotation was computed. [2021-02-23 13:33:38,298 INFO L189 CegarLoopUtils]: For program point L176(lines 176 182) no Hoare annotation was computed. [2021-02-23 13:33:38,298 INFO L189 CegarLoopUtils]: For program point L176-1(lines 171 183) no Hoare annotation was computed. [2021-02-23 13:33:38,298 INFO L189 CegarLoopUtils]: For program point L201(lines 201 205) no Hoare annotation was computed. [2021-02-23 13:33:38,298 INFO L189 CegarLoopUtils]: For program point L135(lines 135 273) no Hoare annotation was computed. [2021-02-23 13:33:38,298 INFO L189 CegarLoopUtils]: For program point L102(lines 102 284) no Hoare annotation was computed. [2021-02-23 13:33:38,299 INFO L185 CegarLoopUtils]: At program point L226(lines 226 227) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,299 INFO L189 CegarLoopUtils]: For program point L226-1(lines 226 227) no Hoare annotation was computed. [2021-02-23 13:33:38,299 INFO L185 CegarLoopUtils]: At program point L251(line 251) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,299 INFO L189 CegarLoopUtils]: For program point L251-1(lines 247 253) no Hoare annotation was computed. [2021-02-23 13:33:38,299 INFO L189 CegarLoopUtils]: For program point L144(lines 144 270) no Hoare annotation was computed. [2021-02-23 13:33:38,299 INFO L189 CegarLoopUtils]: For program point L111(lines 111 281) no Hoare annotation was computed. [2021-02-23 13:33:38,299 INFO L185 CegarLoopUtils]: At program point L103(lines 102 284) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,300 INFO L185 CegarLoopUtils]: At program point L194(lines 194 196) the Hoare annotation is: (let ((.cse0 (<= 259 KbFilter_PnP_~status~0)) (.cse11 (= ~pended~0 0)) (.cse1 (= ~setEventCalled~0 1)) (.cse2 (not (= ~compRegistered~0 0))) (.cse12 (= ~NP~0 1)) (.cse13 (= ~NP~0 |old(~s~0)|)) (.cse14 (<= 5 ~MPR1~0))) (let ((.cse3 (not .cse14)) (.cse4 (not (= |old(~compRegistered~0)| 0))) (.cse5 (not .cse13)) (.cse6 (not (<= 3 ~SKIP1~0))) (.cse7 (not .cse12)) (.cse8 (and .cse0 .cse12 .cse11 .cse1 .cse13 (= ~s~0 |old(~s~0)|) .cse2 .cse14)) (.cse9 (not (<= ~SKIP1~0 3))) (.cse10 (not .cse11))) (and (or (and (= ~MPR3~0 ~s~0) .cse0 .cse1 (= KbFilter_PnP_~__cil_tmp23~0 259) .cse2) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= (+ ~myStatus~0 1073741637) 0) (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) .cse10)))) [2021-02-23 13:33:38,300 INFO L189 CegarLoopUtils]: For program point L194-1(lines 194 196) no Hoare annotation was computed. [2021-02-23 13:33:38,300 INFO L189 CegarLoopUtils]: For program point L153(lines 153 267) no Hoare annotation was computed. [2021-02-23 13:33:38,300 INFO L189 CegarLoopUtils]: For program point L120(lines 120 278) no Hoare annotation was computed. [2021-02-23 13:33:38,300 INFO L185 CegarLoopUtils]: At program point L211(line 211) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (and (= ~s~0 ~NP~0) (not (= ~compRegistered~0 0))) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,300 INFO L185 CegarLoopUtils]: At program point L178(line 178) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,301 INFO L189 CegarLoopUtils]: For program point KbFilter_PnPEXIT(lines 75 287) no Hoare annotation was computed. [2021-02-23 13:33:38,301 INFO L185 CegarLoopUtils]: At program point L236(line 236) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,301 INFO L189 CegarLoopUtils]: For program point L236-1(lines 232 238) no Hoare annotation was computed. [2021-02-23 13:33:38,301 INFO L189 CegarLoopUtils]: For program point L162(lines 162 264) no Hoare annotation was computed. [2021-02-23 13:33:38,301 INFO L189 CegarLoopUtils]: For program point L129(lines 129 275) no Hoare annotation was computed. [2021-02-23 13:33:38,301 INFO L185 CegarLoopUtils]: At program point L220(line 220) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,302 INFO L185 CegarLoopUtils]: At program point L187(lines 187 188) the Hoare annotation is: (let ((.cse0 (not (<= 5 ~MPR1~0))) (.cse1 (not (= |old(~compRegistered~0)| 0))) (.cse2 (not (= ~NP~0 |old(~s~0)|))) (.cse3 (not (<= 3 ~SKIP1~0))) (.cse4 (not (= ~NP~0 1))) (.cse5 (not (<= ~SKIP1~0 3))) (.cse6 (not (= ~pended~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= |old(~customIrp~0)| ~customIrp~0) (= ~s~0 |old(~s~0)|) (not (= ~compRegistered~0 0)))) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= (+ ~myStatus~0 1073741637) 0) (not (<= (+ |old(~myStatus~0)| 1073741637) 0)) .cse6))) [2021-02-23 13:33:38,302 INFO L189 CegarLoopUtils]: For program point L220-1(lines 216 222) no Hoare annotation was computed. [2021-02-23 13:33:38,302 INFO L189 CegarLoopUtils]: For program point L187-1(lines 187 188) no Hoare annotation was computed. [2021-02-23 13:33:38,302 INFO L185 CegarLoopUtils]: At program point KbFilter_PnPENTRY(lines 75 287) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,302 INFO L189 CegarLoopUtils]: For program point L171(lines 171 183) no Hoare annotation was computed. [2021-02-23 13:33:38,302 INFO L189 CegarLoopUtils]: For program point L138(lines 138 272) no Hoare annotation was computed. [2021-02-23 13:33:38,302 INFO L189 CegarLoopUtils]: For program point L105(lines 105 283) no Hoare annotation was computed. [2021-02-23 13:33:38,302 INFO L189 CegarLoopUtils]: For program point KbFilter_PnPFINAL(lines 75 287) no Hoare annotation was computed. [2021-02-23 13:33:38,303 INFO L192 CegarLoopUtils]: At program point L262(lines 166 263) the Hoare annotation is: true [2021-02-23 13:33:38,303 INFO L189 CegarLoopUtils]: For program point L147(lines 147 269) no Hoare annotation was computed. [2021-02-23 13:33:38,303 INFO L189 CegarLoopUtils]: For program point L114(lines 114 280) no Hoare annotation was computed. [2021-02-23 13:33:38,303 INFO L185 CegarLoopUtils]: At program point L106(lines 105 283) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,303 INFO L189 CegarLoopUtils]: For program point L156(lines 156 266) no Hoare annotation was computed. [2021-02-23 13:33:38,303 INFO L189 CegarLoopUtils]: For program point L123(lines 123 277) no Hoare annotation was computed. [2021-02-23 13:33:38,303 INFO L185 CegarLoopUtils]: At program point L173(line 173) the Hoare annotation is: (or (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,303 INFO L185 CegarLoopUtils]: At program point L165(lines 111 281) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,304 INFO L189 CegarLoopUtils]: For program point L132(lines 132 274) no Hoare annotation was computed. [2021-02-23 13:33:38,304 INFO L189 CegarLoopUtils]: For program point L141(lines 141 271) no Hoare annotation was computed. [2021-02-23 13:33:38,304 INFO L189 CegarLoopUtils]: For program point L108(lines 108 282) no Hoare annotation was computed. [2021-02-23 13:33:38,304 INFO L189 CegarLoopUtils]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-02-23 13:33:38,304 INFO L185 CegarLoopUtils]: At program point L257(lines 257 258) the Hoare annotation is: (or (and (= ~compRegistered~0 0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~SKIP1~0 ~s~0)) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,304 INFO L189 CegarLoopUtils]: For program point L257-1(lines 257 258) no Hoare annotation was computed. [2021-02-23 13:33:38,304 INFO L189 CegarLoopUtils]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-02-23 13:33:38,304 INFO L189 CegarLoopUtils]: For program point L150(lines 150 268) no Hoare annotation was computed. [2021-02-23 13:33:38,305 INFO L189 CegarLoopUtils]: For program point L117(lines 117 279) no Hoare annotation was computed. [2021-02-23 13:33:38,305 INFO L185 CegarLoopUtils]: At program point L109(lines 108 282) the Hoare annotation is: (or (and (= ~lowerDriverReturn~0 |old(~lowerDriverReturn~0)|) (= |old(~compRegistered~0)| ~compRegistered~0) (= ~setEventCalled~0 |old(~setEventCalled~0)|) (= ~s~0 ~NP~0) (= |old(~customIrp~0)| ~customIrp~0) (= ~myStatus~0 |old(~myStatus~0)|)) (not (<= 5 ~MPR1~0)) (not (= |old(~compRegistered~0)| 0)) (not (= ~NP~0 |old(~s~0)|)) (not (<= 3 ~SKIP1~0)) (not (= ~NP~0 1)) (not (<= ~SKIP1~0 3)) (not (= ~pended~0 0))) [2021-02-23 13:33:38,305 INFO L189 CegarLoopUtils]: For program point L200(lines 200 206) no Hoare annotation was computed. [2021-02-23 13:33:38,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 01:33:38 BoogieIcfgContainer [2021-02-23 13:33:38,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 13:33:38,350 INFO L168 Benchmark]: Toolchain (without parser) took 25766.37 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 126.0 MB in the beginning and 109.1 MB in the end (delta: 16.9 MB). Peak memory consumption was 185.6 MB. Max. memory is 8.0 GB. [2021-02-23 13:33:38,350 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.0 MB in the end (delta: 100.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 13:33:38,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 414.65 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 110.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-02-23 13:33:38,350 INFO L168 Benchmark]: Boogie Preprocessor took 72.99 ms. Allocated memory is still 151.0 MB. Free memory was 110.4 MB in the beginning and 108.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:33:38,351 INFO L168 Benchmark]: RCFGBuilder took 948.11 ms. Allocated memory is still 151.0 MB. Free memory was 108.1 MB in the beginning and 94.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. [2021-02-23 13:33:38,351 INFO L168 Benchmark]: TraceAbstraction took 24305.45 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 94.0 MB in the beginning and 109.1 MB in the end (delta: -15.1 MB). Peak memory consumption was 153.7 MB. Max. memory is 8.0 GB. [2021-02-23 13:33:38,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 124.0 MB in the end (delta: 100.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 414.65 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 110.4 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 72.99 ms. Allocated memory is still 151.0 MB. Free memory was 110.4 MB in the beginning and 108.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 948.11 ms. Allocated memory is still 151.0 MB. Free memory was 108.1 MB in the beginning and 94.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 14.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24305.45 ms. Allocated memory was 151.0 MB in the beginning and 314.6 MB in the end (delta: 163.6 MB). Free memory was 94.0 MB in the beginning and 109.1 MB in the end (delta: -15.1 MB). Peak memory consumption was 153.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 581]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 105]: Loop Invariant Derived loop invariant: (((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(5 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 <= 3)) || !(pended == 0) - InvariantResult [Line: 352]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(pended) == 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || ((((((((NP == 1 && pended == 0) && compRegistered == 0) && s == NP) && status == 0) && SKIP1 <= 3) && __cil_tmp8 == 1) && 3 <= SKIP1) && 5 <= MPR1) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: (((((((MPR1 == s || compRegistered == 0) || !(5 <= MPR1)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 <= 3)) || !(pended == 0)) && ((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || !(SKIP1 <= 3)) || !(pended == 0)) - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(pended) == 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || ((((NP == 1 && pended == 0) && SKIP1 <= 3) && __cil_tmp8 == 1) && 3 <= SKIP1) - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: ((((((((!(\old(setEventCalled) == 1) || compRegistered == 0) || s == NP) || !(5 <= MPR1)) || !(3 <= SKIP1)) || !(NP == 1)) || !(MPR3 == \old(s))) || !(SKIP1 <= 3)) || !(pended == 0)) && ((((((((!(\old(setEventCalled) == 1) || compRegistered == 0) || s == NP) || !(5 <= MPR1)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 <= 3)) || !(pended == 0)) - InvariantResult [Line: 369]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(pended) == 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || ((((NP == 1 && pended == 0) && SKIP1 <= 3) && __cil_tmp8 == 1) && 3 <= SKIP1) - InvariantResult [Line: 297]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(pended) == 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || ((((NP == 1 && pended == 0) && SKIP1 <= 3) && __cil_tmp8 == 1) && 3 <= SKIP1) - InvariantResult [Line: 354]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(pended) == 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || status == 0) || !(\old(s) == \old(NP)) - InvariantResult [Line: 108]: Loop Invariant Derived loop invariant: (((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(5 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 <= 3)) || !(pended == 0) - InvariantResult [Line: 444]: Loop Invariant Derived loop invariant: ((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || !(SKIP1 <= 3)) || !(pended == 0)) && ((((((((compRegistered == 0 || !(5 <= MPR1)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || (((MPR1 == s && setEventCalled == 1) && returnVal2 <= 259) && 259 <= returnVal2)) || (returnVal2 <= 0 && MPR1 == s)) || !(SKIP1 <= 3)) || !(pended == 0)) - InvariantResult [Line: 528]: Loop Invariant Derived loop invariant: ((((((((!(\old(setEventCalled) == 1) || compRegistered == 0) || !(5 <= MPR1)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || ((setEventCalled == \old(setEventCalled) && s == NP) && \old(customIrp) == customIrp)) || !(SKIP1 <= 3)) || !(pended == 0)) && (((((((!(\old(setEventCalled) == 1) || compRegistered == 0) || !(5 <= MPR1)) || !(3 <= SKIP1)) || !(NP == 1)) || !(MPR3 == \old(s))) || !(SKIP1 <= 3)) || !(pended == 0)) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: (((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(5 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 <= 3)) || !(pended == 0) - InvariantResult [Line: 456]: Loop Invariant Derived loop invariant: (((((((MPR1 == s || compRegistered == 0) || !(5 <= MPR1)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 <= 3)) || !(pended == 0)) && ((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || !(SKIP1 <= 3)) || !(pended == 0)) - InvariantResult [Line: 166]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (((((((((((lowerDriverReturn == \old(lowerDriverReturn) && \old(compRegistered) == compRegistered) && setEventCalled == \old(setEventCalled)) && s == NP) && \old(customIrp) == customIrp) && myStatus == \old(myStatus)) || !(5 <= MPR1)) || !(\old(compRegistered) == 0)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 <= 3)) || !(pended == 0) - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: ((((((((MPR1 == s && setEventCalled == 1) || compRegistered == 0) || !(5 <= MPR1)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 <= 3)) || !(pended == 0)) && ((((((((lowerDriverReturn == \old(lowerDriverReturn) && setEventCalled == \old(setEventCalled)) && SKIP1 == s) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 == \old(s))) || !(compRegistered == 0)) || !(SKIP1 <= 3)) || !(pended == 0)) - InvariantResult [Line: 550]: Loop Invariant Derived loop invariant: ((((((((!(\old(setEventCalled) == 1) || compRegistered == 0) || s == NP) || !(5 <= MPR1)) || !(3 <= SKIP1)) || !(NP == 1)) || !(MPR3 == \old(s))) || !(SKIP1 <= 3)) || !(pended == 0)) && ((((((((!(\old(setEventCalled) == 1) || compRegistered == 0) || s == NP) || !(5 <= MPR1)) || !(NP == \old(s))) || !(3 <= SKIP1)) || !(NP == 1)) || !(SKIP1 <= 3)) || !(pended == 0)) - InvariantResult [Line: 377]: Loop Invariant Derived loop invariant: (((((!(\old(s) == \old(MPR3)) || !(\old(pended) == 0)) || !(\old(SKIP1) == \old(s))) || !(\old(compRegistered) == 0)) || !(\old(s) == \old(MPR1))) || !(\old(s) == \old(NP))) || ((((NP == 1 && pended == 0) && SKIP1 <= 3) && __cil_tmp8 == 1) && 3 <= SKIP1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 14 procedures, 154 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16.7s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1987 SDtfs, 2586 SDslu, 2502 SDs, 0 SdLazy, 5049 SolverSat, 698 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 334 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=217occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 17 MinimizatonAttempts, 144 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 282 PreInvPairs, 348 NumberOfFragments, 2561 HoareAnnotationTreeSize, 282 FomulaSimplifications, 2700 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 53 FomulaSimplificationsInter, 6333 FormulaSimplificationTreeSizeReductionInter, 6.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.5s InterpolantComputationTime, 876 NumberOfCodeBlocks, 876 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 859 ConstructedInterpolants, 0 QuantifiedInterpolants, 223626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 PerfectInterpolantSequences, 0/0 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 correct! Received shutdown request...