/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-b7b32d2 [2021-02-21 16:07:14,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-21 16:07:14,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-21 16:07:14,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-21 16:07:14,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-21 16:07:14,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-21 16:07:14,903 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-21 16:07:14,911 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-21 16:07:14,915 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-21 16:07:14,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-21 16:07:14,923 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-21 16:07:14,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-21 16:07:14,925 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-21 16:07:14,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-21 16:07:14,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-21 16:07:14,947 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-21 16:07:14,950 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-21 16:07:14,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-21 16:07:14,961 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-21 16:07:14,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-21 16:07:14,973 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-21 16:07:14,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-21 16:07:14,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-21 16:07:14,980 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-21 16:07:14,990 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-21 16:07:14,991 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-21 16:07:14,991 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-21 16:07:14,994 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-21 16:07:14,995 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-21 16:07:14,996 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-21 16:07:14,996 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-21 16:07:14,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-21 16:07:14,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-21 16:07:15,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-21 16:07:15,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-21 16:07:15,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-21 16:07:15,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-21 16:07:15,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-21 16:07:15,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-21 16:07:15,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-21 16:07:15,005 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-21 16:07:15,007 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2021-02-21 16:07:15,065 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-21 16:07:15,065 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-21 16:07:15,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-21 16:07:15,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-21 16:07:15,068 INFO L138 SettingsManager]: * Use SBE=true [2021-02-21 16:07:15,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-21 16:07:15,068 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-21 16:07:15,068 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-21 16:07:15,069 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-21 16:07:15,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-21 16:07:15,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-21 16:07:15,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-21 16:07:15,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-21 16:07:15,070 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-21 16:07:15,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-21 16:07:15,070 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-21 16:07:15,070 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-21 16:07:15,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-21 16:07:15,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-21 16:07:15,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-21 16:07:15,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:07:15,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-21 16:07:15,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-21 16:07:15,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-21 16:07:15,072 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-21 16:07:15,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-21 16:07:15,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-21 16:07:15,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-21 16:07:15,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-21 16:07:15,458 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-21 16:07:15,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-21 16:07:15,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-21 16:07:15,496 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-21 16:07:15,497 INFO L275 PluginConnector]: CDTParser initialized [2021-02-21 16:07:15,498 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-02-21 16:07:15,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63d23248/d4a6a2baa10742b0889c2291e82814c0/FLAG37a52db52 [2021-02-21 16:07:16,258 INFO L306 CDTParser]: Found 1 translation units. [2021-02-21 16:07:16,259 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl1.cil.c [2021-02-21 16:07:16,273 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63d23248/d4a6a2baa10742b0889c2291e82814c0/FLAG37a52db52 [2021-02-21 16:07:16,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c63d23248/d4a6a2baa10742b0889c2291e82814c0 [2021-02-21 16:07:16,622 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-21 16:07:16,636 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-21 16:07:16,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-21 16:07:16,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-21 16:07:16,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-21 16:07:16,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:07:16" (1/1) ... [2021-02-21 16:07:16,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@276326a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:16, skipping insertion in model container [2021-02-21 16:07:16,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:07:16" (1/1) ... [2021-02-21 16:07:16,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-21 16:07:16,707 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-21 16:07:16,957 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] [2021-02-21 16:07:16,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:07:16,975 INFO L203 MainTranslator]: Completed pre-run [2021-02-21 16:07:17,063 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] [2021-02-21 16:07:17,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-21 16:07:17,084 INFO L208 MainTranslator]: Completed translation [2021-02-21 16:07:17,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17 WrapperNode [2021-02-21 16:07:17,085 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-21 16:07:17,086 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-21 16:07:17,086 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-21 16:07:17,087 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-21 16:07:17,100 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17" (1/1) ... [2021-02-21 16:07:17,101 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17" (1/1) ... [2021-02-21 16:07:17,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17" (1/1) ... [2021-02-21 16:07:17,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17" (1/1) ... [2021-02-21 16:07:17,127 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17" (1/1) ... [2021-02-21 16:07:17,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17" (1/1) ... [2021-02-21 16:07:17,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17" (1/1) ... [2021-02-21 16:07:17,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-21 16:07:17,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-21 16:07:17,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-21 16:07:17,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-21 16:07:17,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-21 16:07:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-21 16:07:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-21 16:07:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-21 16:07:17,284 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2021-02-21 16:07:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2021-02-21 16:07:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2021-02-21 16:07:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-21 16:07:17,285 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2021-02-21 16:07:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2021-02-21 16:07:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2021-02-21 16:07:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2021-02-21 16:07:17,286 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2021-02-21 16:07:17,287 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2021-02-21 16:07:17,287 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2021-02-21 16:07:17,288 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-21 16:07:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-21 16:07:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-21 16:07:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-21 16:07:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2021-02-21 16:07:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-21 16:07:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2021-02-21 16:07:17,289 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2021-02-21 16:07:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2021-02-21 16:07:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2021-02-21 16:07:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2021-02-21 16:07:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2021-02-21 16:07:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2021-02-21 16:07:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2021-02-21 16:07:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2021-02-21 16:07:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2021-02-21 16:07:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-21 16:07:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2021-02-21 16:07:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-21 16:07:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-21 16:07:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-21 16:07:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-21 16:07:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-21 16:07:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-21 16:07:17,633 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-02-21 16:07:17,778 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##14: assume !false; [2021-02-21 16:07:17,779 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##13: assume false; [2021-02-21 16:07:17,784 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-02-21 16:07:17,830 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume false; [2021-02-21 16:07:17,831 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !false; [2021-02-21 16:07:17,866 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-02-21 16:07:17,899 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2021-02-21 16:07:17,899 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2021-02-21 16:07:17,921 WARN L807 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-02-21 16:07:18,042 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2021-02-21 16:07:18,042 INFO L759 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2021-02-21 16:07:18,058 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-21 16:07:18,058 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-21 16:07:18,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:07:18 BoogieIcfgContainer [2021-02-21 16:07:18,060 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-21 16:07:18,062 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-21 16:07:18,062 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-21 16:07:18,066 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-21 16:07:18,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:07:16" (1/3) ... [2021-02-21 16:07:18,067 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7932bfaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:07:18, skipping insertion in model container [2021-02-21 16:07:18,067 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:07:17" (2/3) ... [2021-02-21 16:07:18,068 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7932bfaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:07:18, skipping insertion in model container [2021-02-21 16:07:18,068 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:07:18" (3/3) ... [2021-02-21 16:07:18,069 INFO L111 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl1.cil.c [2021-02-21 16:07:18,076 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-21 16:07:18,082 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-21 16:07:18,102 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-21 16:07:18,132 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-21 16:07:18,132 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-21 16:07:18,132 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-21 16:07:18,133 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-21 16:07:18,133 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-21 16:07:18,133 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-21 16:07:18,133 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-21 16:07:18,133 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-21 16:07:18,156 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2021-02-21 16:07:18,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-02-21 16:07:18,163 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:18,164 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] [2021-02-21 16:07:18,164 INFO L428 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:18,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:18,171 INFO L82 PathProgramCache]: Analyzing trace with hash -657298671, now seen corresponding path program 1 times [2021-02-21 16:07:18,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:18,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292554444] [2021-02-21 16:07:18,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:18,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:18,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:18,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:18,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:18,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:18,532 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-21 16:07:18,533 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-21 16:07:18,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:18,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:18,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:18,705 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:18,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:18,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:18,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:18,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:18,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:18,820 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292554444] [2021-02-21 16:07:18,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:18,822 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-21 16:07:18,823 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269858584] [2021-02-21 16:07:18,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-21 16:07:18,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:18,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-21 16:07:18,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:07:18,851 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 5 states. [2021-02-21 16:07:19,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:19,568 INFO L93 Difference]: Finished difference Result 302 states and 462 transitions. [2021-02-21 16:07:19,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-21 16:07:19,570 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 20 [2021-02-21 16:07:19,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:19,590 INFO L225 Difference]: With dead ends: 302 [2021-02-21 16:07:19,590 INFO L226 Difference]: Without dead ends: 157 [2021-02-21 16:07:19,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-21 16:07:19,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-02-21 16:07:19,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 140. [2021-02-21 16:07:19,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2021-02-21 16:07:19,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 190 transitions. [2021-02-21 16:07:19,714 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 190 transitions. Word has length 20 [2021-02-21 16:07:19,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:19,715 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 190 transitions. [2021-02-21 16:07:19,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-21 16:07:19,715 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 190 transitions. [2021-02-21 16:07:19,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-21 16:07:19,717 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:19,717 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] [2021-02-21 16:07:19,718 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-21 16:07:19,718 INFO L428 AbstractCegarLoop]: === Iteration 2 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:19,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:19,719 INFO L82 PathProgramCache]: Analyzing trace with hash 919351458, now seen corresponding path program 1 times [2021-02-21 16:07:19,719 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:19,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081734569] [2021-02-21 16:07:19,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:19,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:19,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:19,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:19,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:19,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:19,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:19,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:19,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:19,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:19,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:19,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:19,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:20,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:20,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:20,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:20,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:20,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:20,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:20,073 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2081734569] [2021-02-21 16:07:20,073 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:20,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 16:07:20,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287478605] [2021-02-21 16:07:20,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:07:20,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:20,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:07:20,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:07:20,077 INFO L87 Difference]: Start difference. First operand 140 states and 190 transitions. Second operand 6 states. [2021-02-21 16:07:20,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:20,963 INFO L93 Difference]: Finished difference Result 275 states and 370 transitions. [2021-02-21 16:07:20,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 16:07:20,964 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2021-02-21 16:07:20,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:20,970 INFO L225 Difference]: With dead ends: 275 [2021-02-21 16:07:20,970 INFO L226 Difference]: Without dead ends: 219 [2021-02-21 16:07:20,973 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 [2021-02-21 16:07:20,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2021-02-21 16:07:21,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 195. [2021-02-21 16:07:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2021-02-21 16:07:21,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 259 transitions. [2021-02-21 16:07:21,069 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 259 transitions. Word has length 26 [2021-02-21 16:07:21,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:21,069 INFO L480 AbstractCegarLoop]: Abstraction has 195 states and 259 transitions. [2021-02-21 16:07:21,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:07:21,069 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 259 transitions. [2021-02-21 16:07:21,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-02-21 16:07:21,070 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:21,070 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] [2021-02-21 16:07:21,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-21 16:07:21,071 INFO L428 AbstractCegarLoop]: === Iteration 3 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:21,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:21,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1564864640, now seen corresponding path program 1 times [2021-02-21 16:07:21,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:21,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725061367] [2021-02-21 16:07:21,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:21,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:21,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:21,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:21,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:21,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:21,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:21,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:21,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:21,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:21,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:21,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:21,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:21,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:21,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:21,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:21,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:21,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:21,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:21,347 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725061367] [2021-02-21 16:07:21,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:21,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-21 16:07:21,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930358019] [2021-02-21 16:07:21,348 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-21 16:07:21,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:21,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-21 16:07:21,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-02-21 16:07:21,349 INFO L87 Difference]: Start difference. First operand 195 states and 259 transitions. Second operand 6 states. [2021-02-21 16:07:21,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:21,971 INFO L93 Difference]: Finished difference Result 316 states and 413 transitions. [2021-02-21 16:07:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-21 16:07:21,971 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2021-02-21 16:07:21,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:21,974 INFO L225 Difference]: With dead ends: 316 [2021-02-21 16:07:21,975 INFO L226 Difference]: Without dead ends: 254 [2021-02-21 16:07:21,975 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-21 16:07:21,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-02-21 16:07:22,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 217. [2021-02-21 16:07:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2021-02-21 16:07:22,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 289 transitions. [2021-02-21 16:07:22,009 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 289 transitions. Word has length 27 [2021-02-21 16:07:22,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:22,010 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 289 transitions. [2021-02-21 16:07:22,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-21 16:07:22,010 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 289 transitions. [2021-02-21 16:07:22,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-21 16:07:22,012 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:22,012 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] [2021-02-21 16:07:22,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-21 16:07:22,013 INFO L428 AbstractCegarLoop]: === Iteration 4 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:22,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:22,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1424448937, now seen corresponding path program 1 times [2021-02-21 16:07:22,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:22,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334894271] [2021-02-21 16:07:22,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:22,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:22,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:07:22,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:22,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:22,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:22,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,106 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:22,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:22,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:22,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:22,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:07:22,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:22,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:22,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:22,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:22,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334894271] [2021-02-21 16:07:22,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:22,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-21 16:07:22,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054433443] [2021-02-21 16:07:22,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-21 16:07:22,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:22,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-21 16:07:22,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-21 16:07:22,281 INFO L87 Difference]: Start difference. First operand 217 states and 289 transitions. Second operand 7 states. [2021-02-21 16:07:23,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:23,179 INFO L93 Difference]: Finished difference Result 220 states and 291 transitions. [2021-02-21 16:07:23,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 16:07:23,179 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 37 [2021-02-21 16:07:23,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:23,182 INFO L225 Difference]: With dead ends: 220 [2021-02-21 16:07:23,182 INFO L226 Difference]: Without dead ends: 217 [2021-02-21 16:07:23,182 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-02-21 16:07:23,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2021-02-21 16:07:23,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2021-02-21 16:07:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2021-02-21 16:07:23,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 288 transitions. [2021-02-21 16:07:23,215 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 288 transitions. Word has length 37 [2021-02-21 16:07:23,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:23,216 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 288 transitions. [2021-02-21 16:07:23,216 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-21 16:07:23,216 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 288 transitions. [2021-02-21 16:07:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-02-21 16:07:23,221 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:23,221 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] [2021-02-21 16:07:23,222 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-21 16:07:23,222 INFO L428 AbstractCegarLoop]: === Iteration 5 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:23,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:23,226 INFO L82 PathProgramCache]: Analyzing trace with hash -327288786, now seen corresponding path program 1 times [2021-02-21 16:07:23,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:23,227 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651492724] [2021-02-21 16:07:23,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:23,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:23,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:23,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:23,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:07:23,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:23,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:23,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:23,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:23,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:23,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:23,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:23,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:23,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:23,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:23,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:23,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:23,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:23,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:23,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:23,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651492724] [2021-02-21 16:07:23,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:23,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 16:07:23,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653263113] [2021-02-21 16:07:23,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:07:23,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:23,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:07:23,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:07:23,474 INFO L87 Difference]: Start difference. First operand 217 states and 288 transitions. Second operand 9 states. [2021-02-21 16:07:24,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:24,437 INFO L93 Difference]: Finished difference Result 274 states and 356 transitions. [2021-02-21 16:07:24,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 16:07:24,437 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 45 [2021-02-21 16:07:24,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:24,439 INFO L225 Difference]: With dead ends: 274 [2021-02-21 16:07:24,440 INFO L226 Difference]: Without dead ends: 208 [2021-02-21 16:07:24,440 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2021-02-21 16:07:24,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2021-02-21 16:07:24,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 190. [2021-02-21 16:07:24,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2021-02-21 16:07:24,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 250 transitions. [2021-02-21 16:07:24,471 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 250 transitions. Word has length 45 [2021-02-21 16:07:24,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:24,473 INFO L480 AbstractCegarLoop]: Abstraction has 190 states and 250 transitions. [2021-02-21 16:07:24,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:07:24,474 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 250 transitions. [2021-02-21 16:07:24,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-02-21 16:07:24,484 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:24,484 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] [2021-02-21 16:07:24,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-21 16:07:24,484 INFO L428 AbstractCegarLoop]: === Iteration 6 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:24,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:24,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1063639731, now seen corresponding path program 1 times [2021-02-21 16:07:24,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:24,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334937374] [2021-02-21 16:07:24,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:24,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:24,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:24,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:24,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:07:24,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:24,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:24,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:24,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:24,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:24,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:24,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:24,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:24,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:24,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:24,686 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:24,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:24,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-21 16:07:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:24,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:24,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:24,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:24,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:24,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:24,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-21 16:07:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:24,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:24,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:24,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:24,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334937374] [2021-02-21 16:07:24,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:24,725 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-21 16:07:24,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722911825] [2021-02-21 16:07:24,725 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-21 16:07:24,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:24,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-21 16:07:24,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-02-21 16:07:24,727 INFO L87 Difference]: Start difference. First operand 190 states and 250 transitions. Second operand 8 states. [2021-02-21 16:07:25,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:25,184 INFO L93 Difference]: Finished difference Result 258 states and 336 transitions. [2021-02-21 16:07:25,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-21 16:07:25,185 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2021-02-21 16:07:25,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:25,187 INFO L225 Difference]: With dead ends: 258 [2021-02-21 16:07:25,187 INFO L226 Difference]: Without dead ends: 197 [2021-02-21 16:07:25,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2021-02-21 16:07:25,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2021-02-21 16:07:25,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 188. [2021-02-21 16:07:25,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-02-21 16:07:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 246 transitions. [2021-02-21 16:07:25,215 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 246 transitions. Word has length 51 [2021-02-21 16:07:25,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:25,215 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 246 transitions. [2021-02-21 16:07:25,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-21 16:07:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 246 transitions. [2021-02-21 16:07:25,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-02-21 16:07:25,217 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:25,217 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] [2021-02-21 16:07:25,218 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-21 16:07:25,218 INFO L428 AbstractCegarLoop]: === Iteration 7 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:25,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:25,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1356664997, now seen corresponding path program 1 times [2021-02-21 16:07:25,219 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:25,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460629411] [2021-02-21 16:07:25,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:25,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:25,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:25,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:25,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:07:25,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:25,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:25,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:25,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:25,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:25,376 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-21 16:07:25,376 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-21 16:07:25,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:25,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:25,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:25,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:25,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 16:07:25,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:25,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:25,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:25,452 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 16:07:25,453 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 16:07:25,462 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 16:07:25,463 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 16:07:25,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:25,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:25,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:25,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:25,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:25,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:25,527 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460629411] [2021-02-21 16:07:25,527 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:25,527 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 16:07:25,528 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419066634] [2021-02-21 16:07:25,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 16:07:25,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:25,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 16:07:25,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2021-02-21 16:07:25,530 INFO L87 Difference]: Start difference. First operand 188 states and 246 transitions. Second operand 12 states. [2021-02-21 16:07:26,122 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 90 [2021-02-21 16:07:26,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:26,669 INFO L93 Difference]: Finished difference Result 234 states and 300 transitions. [2021-02-21 16:07:26,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-21 16:07:26,669 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 50 [2021-02-21 16:07:26,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:26,671 INFO L225 Difference]: With dead ends: 234 [2021-02-21 16:07:26,672 INFO L226 Difference]: Without dead ends: 210 [2021-02-21 16:07:26,672 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2021-02-21 16:07:26,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2021-02-21 16:07:26,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 188. [2021-02-21 16:07:26,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2021-02-21 16:07:26,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 244 transitions. [2021-02-21 16:07:26,710 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 244 transitions. Word has length 50 [2021-02-21 16:07:26,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:26,710 INFO L480 AbstractCegarLoop]: Abstraction has 188 states and 244 transitions. [2021-02-21 16:07:26,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 16:07:26,710 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 244 transitions. [2021-02-21 16:07:26,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2021-02-21 16:07:26,711 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:26,712 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] [2021-02-21 16:07:26,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-21 16:07:26,712 INFO L428 AbstractCegarLoop]: === Iteration 8 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:26,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:26,713 INFO L82 PathProgramCache]: Analyzing trace with hash -957846954, now seen corresponding path program 1 times [2021-02-21 16:07:26,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:26,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784798026] [2021-02-21 16:07:26,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:26,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:26,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:26,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:07:26,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:07:26,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:26,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:26,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:26,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:26,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:26,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:26,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:26,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:26,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:26,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-21 16:07:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:26,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:26,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:26,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:26,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:26,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:26,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:26,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784798026] [2021-02-21 16:07:26,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:26,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-21 16:07:26,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116080799] [2021-02-21 16:07:26,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-21 16:07:26,968 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:26,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-21 16:07:26,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2021-02-21 16:07:26,969 INFO L87 Difference]: Start difference. First operand 188 states and 244 transitions. Second operand 10 states. [2021-02-21 16:07:27,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:27,376 INFO L93 Difference]: Finished difference Result 203 states and 262 transitions. [2021-02-21 16:07:27,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 16:07:27,377 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 52 [2021-02-21 16:07:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:27,378 INFO L225 Difference]: With dead ends: 203 [2021-02-21 16:07:27,379 INFO L226 Difference]: Without dead ends: 91 [2021-02-21 16:07:27,379 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 [2021-02-21 16:07:27,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-02-21 16:07:27,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-02-21 16:07:27,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-21 16:07:27,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 102 transitions. [2021-02-21 16:07:27,392 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 102 transitions. Word has length 52 [2021-02-21 16:07:27,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:27,392 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 102 transitions. [2021-02-21 16:07:27,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-21 16:07:27,392 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 102 transitions. [2021-02-21 16:07:27,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-21 16:07:27,393 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:27,394 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] [2021-02-21 16:07:27,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-21 16:07:27,394 INFO L428 AbstractCegarLoop]: === Iteration 9 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:27,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:27,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1066997237, now seen corresponding path program 1 times [2021-02-21 16:07:27,395 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:27,395 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1453465123] [2021-02-21 16:07:27,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:27,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:27,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:27,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:27,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:07:27,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:27,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:27,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:27,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:27,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:27,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:27,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:27,559 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-21 16:07:27,560 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-21 16:07:27,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:27,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:27,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:27,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:27,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:27,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:27,605 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 16:07:27,605 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 16:07:27,615 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-21 16:07:27,616 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-21 16:07:27,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 16:07:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:27,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:27,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:27,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:27,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:27,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:27,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:27,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:27,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:07:27,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:27,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1453465123] [2021-02-21 16:07:27,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:27,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 16:07:27,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985935968] [2021-02-21 16:07:27,680 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 16:07:27,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:27,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 16:07:27,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-21 16:07:27,681 INFO L87 Difference]: Start difference. First operand 91 states and 102 transitions. Second operand 12 states. [2021-02-21 16:07:28,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:28,270 INFO L93 Difference]: Finished difference Result 119 states and 135 transitions. [2021-02-21 16:07:28,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 16:07:28,271 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 59 [2021-02-21 16:07:28,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:28,272 INFO L225 Difference]: With dead ends: 119 [2021-02-21 16:07:28,272 INFO L226 Difference]: Without dead ends: 91 [2021-02-21 16:07:28,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2021-02-21 16:07:28,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-02-21 16:07:28,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-02-21 16:07:28,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-21 16:07:28,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 101 transitions. [2021-02-21 16:07:28,287 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 101 transitions. Word has length 59 [2021-02-21 16:07:28,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:28,288 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 101 transitions. [2021-02-21 16:07:28,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 16:07:28,288 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 101 transitions. [2021-02-21 16:07:28,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-21 16:07:28,289 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:28,289 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] [2021-02-21 16:07:28,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-21 16:07:28,290 INFO L428 AbstractCegarLoop]: === Iteration 10 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:28,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:28,290 INFO L82 PathProgramCache]: Analyzing trace with hash 438062746, now seen corresponding path program 1 times [2021-02-21 16:07:28,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:28,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451711312] [2021-02-21 16:07:28,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:28,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:28,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 16:07:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:28,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:28,524 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451711312] [2021-02-21 16:07:28,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:28,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 16:07:28,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274775759] [2021-02-21 16:07:28,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:07:28,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:28,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:07:28,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:07:28,527 INFO L87 Difference]: Start difference. First operand 91 states and 101 transitions. Second operand 9 states. [2021-02-21 16:07:28,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:28,739 INFO L93 Difference]: Finished difference Result 125 states and 141 transitions. [2021-02-21 16:07:28,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-21 16:07:28,740 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2021-02-21 16:07:28,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:28,742 INFO L225 Difference]: With dead ends: 125 [2021-02-21 16:07:28,742 INFO L226 Difference]: Without dead ends: 97 [2021-02-21 16:07:28,742 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 [2021-02-21 16:07:28,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-02-21 16:07:28,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 94. [2021-02-21 16:07:28,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2021-02-21 16:07:28,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 104 transitions. [2021-02-21 16:07:28,756 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 104 transitions. Word has length 61 [2021-02-21 16:07:28,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:28,756 INFO L480 AbstractCegarLoop]: Abstraction has 94 states and 104 transitions. [2021-02-21 16:07:28,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:07:28,756 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 104 transitions. [2021-02-21 16:07:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-21 16:07:28,757 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:28,757 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] [2021-02-21 16:07:28,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-21 16:07:28,758 INFO L428 AbstractCegarLoop]: === Iteration 11 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:28,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:28,758 INFO L82 PathProgramCache]: Analyzing trace with hash -148743268, now seen corresponding path program 1 times [2021-02-21 16:07:28,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:28,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561430194] [2021-02-21 16:07:28,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:07:28,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:07:28,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:28,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:28,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:28,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 16:07:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:28,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:28,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:28,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:28,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:28,991 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561430194] [2021-02-21 16:07:28,991 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:28,991 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 16:07:28,991 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151066155] [2021-02-21 16:07:28,992 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 16:07:28,992 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:28,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 16:07:28,993 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-02-21 16:07:28,993 INFO L87 Difference]: Start difference. First operand 94 states and 104 transitions. Second operand 12 states. [2021-02-21 16:07:29,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:29,304 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2021-02-21 16:07:29,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 16:07:29,304 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2021-02-21 16:07:29,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:29,305 INFO L225 Difference]: With dead ends: 112 [2021-02-21 16:07:29,306 INFO L226 Difference]: Without dead ends: 93 [2021-02-21 16:07:29,306 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 [2021-02-21 16:07:29,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2021-02-21 16:07:29,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2021-02-21 16:07:29,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-02-21 16:07:29,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 97 transitions. [2021-02-21 16:07:29,317 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 97 transitions. Word has length 61 [2021-02-21 16:07:29,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:29,317 INFO L480 AbstractCegarLoop]: Abstraction has 89 states and 97 transitions. [2021-02-21 16:07:29,317 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 16:07:29,318 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 97 transitions. [2021-02-21 16:07:29,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-02-21 16:07:29,318 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:29,319 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] [2021-02-21 16:07:29,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-21 16:07:29,319 INFO L428 AbstractCegarLoop]: === Iteration 12 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:29,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:29,319 INFO L82 PathProgramCache]: Analyzing trace with hash 457949083, now seen corresponding path program 1 times [2021-02-21 16:07:29,320 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:29,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492059253] [2021-02-21 16:07:29,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:29,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:07:29,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:29,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 16:07:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:29,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492059253] [2021-02-21 16:07:29,525 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:29,525 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 16:07:29,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041370121] [2021-02-21 16:07:29,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:07:29,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:29,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:07:29,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:07:29,527 INFO L87 Difference]: Start difference. First operand 89 states and 97 transitions. Second operand 9 states. [2021-02-21 16:07:29,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:29,736 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2021-02-21 16:07:29,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 16:07:29,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2021-02-21 16:07:29,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:29,738 INFO L225 Difference]: With dead ends: 105 [2021-02-21 16:07:29,738 INFO L226 Difference]: Without dead ends: 100 [2021-02-21 16:07:29,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=52, Unknown=0, NotChecked=0, Total=90 [2021-02-21 16:07:29,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2021-02-21 16:07:29,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 91. [2021-02-21 16:07:29,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-21 16:07:29,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2021-02-21 16:07:29,751 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 62 [2021-02-21 16:07:29,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:29,752 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2021-02-21 16:07:29,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:07:29,752 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2021-02-21 16:07:29,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-02-21 16:07:29,753 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:29,753 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] [2021-02-21 16:07:29,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-21 16:07:29,753 INFO L428 AbstractCegarLoop]: === Iteration 13 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:29,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:29,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1607349772, now seen corresponding path program 1 times [2021-02-21 16:07:29,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:29,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106901135] [2021-02-21 16:07:29,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,794 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:29,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:29,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:29,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:29,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:29,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:29,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 16:07:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:29,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:29,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:29,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:29,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:30,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:30,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106901135] [2021-02-21 16:07:30,022 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:30,022 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 16:07:30,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304795586] [2021-02-21 16:07:30,023 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 16:07:30,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:30,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 16:07:30,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-02-21 16:07:30,024 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand 12 states. [2021-02-21 16:07:30,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:30,318 INFO L93 Difference]: Finished difference Result 98 states and 104 transitions. [2021-02-21 16:07:30,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 16:07:30,318 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2021-02-21 16:07:30,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:30,319 INFO L225 Difference]: With dead ends: 98 [2021-02-21 16:07:30,320 INFO L226 Difference]: Without dead ends: 91 [2021-02-21 16:07:30,320 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 [2021-02-21 16:07:30,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2021-02-21 16:07:30,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2021-02-21 16:07:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2021-02-21 16:07:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 97 transitions. [2021-02-21 16:07:30,332 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 97 transitions. Word has length 62 [2021-02-21 16:07:30,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:30,332 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 97 transitions. [2021-02-21 16:07:30,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 16:07:30,332 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 97 transitions. [2021-02-21 16:07:30,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-21 16:07:30,333 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:30,333 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] [2021-02-21 16:07:30,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-21 16:07:30,333 INFO L428 AbstractCegarLoop]: === Iteration 14 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:30,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:30,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1073874348, now seen corresponding path program 1 times [2021-02-21 16:07:30,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:30,334 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97071422] [2021-02-21 16:07:30,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:30,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:30,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:30,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:30,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:07:30,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 16:07:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:07:30,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:07:30,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:30,547 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97071422] [2021-02-21 16:07:30,547 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:30,547 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 16:07:30,547 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [628967299] [2021-02-21 16:07:30,547 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:07:30,548 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:30,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:07:30,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:07:30,548 INFO L87 Difference]: Start difference. First operand 91 states and 97 transitions. Second operand 9 states. [2021-02-21 16:07:30,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:30,756 INFO L93 Difference]: Finished difference Result 107 states and 114 transitions. [2021-02-21 16:07:30,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 16:07:30,757 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2021-02-21 16:07:30,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:30,758 INFO L225 Difference]: With dead ends: 107 [2021-02-21 16:07:30,758 INFO L226 Difference]: Without dead ends: 76 [2021-02-21 16:07:30,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2021-02-21 16:07:30,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2021-02-21 16:07:30,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2021-02-21 16:07:30,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2021-02-21 16:07:30,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 79 transitions. [2021-02-21 16:07:30,768 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 79 transitions. Word has length 63 [2021-02-21 16:07:30,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:30,769 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 79 transitions. [2021-02-21 16:07:30,769 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:07:30,769 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 79 transitions. [2021-02-21 16:07:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-21 16:07:30,770 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:30,770 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] [2021-02-21 16:07:30,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-21 16:07:30,770 INFO L428 AbstractCegarLoop]: === Iteration 15 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:30,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:30,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1942054886, now seen corresponding path program 1 times [2021-02-21 16:07:30,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:30,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517377650] [2021-02-21 16:07:30,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:30,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:07:30,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-21 16:07:30,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 16:07:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:30,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:30,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:30,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:30,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:30,996 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517377650] [2021-02-21 16:07:30,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:30,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-21 16:07:30,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996793970] [2021-02-21 16:07:30,997 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-21 16:07:30,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:30,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-21 16:07:30,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-02-21 16:07:30,998 INFO L87 Difference]: Start difference. First operand 76 states and 79 transitions. Second operand 9 states. [2021-02-21 16:07:31,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:31,295 INFO L93 Difference]: Finished difference Result 141 states and 146 transitions. [2021-02-21 16:07:31,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-21 16:07:31,296 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2021-02-21 16:07:31,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:31,297 INFO L225 Difference]: With dead ends: 141 [2021-02-21 16:07:31,297 INFO L226 Difference]: Without dead ends: 134 [2021-02-21 16:07:31,298 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 [2021-02-21 16:07:31,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-02-21 16:07:31,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2021-02-21 16:07:31,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-02-21 16:07:31,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 138 transitions. [2021-02-21 16:07:31,315 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 138 transitions. Word has length 63 [2021-02-21 16:07:31,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:31,315 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 138 transitions. [2021-02-21 16:07:31,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-21 16:07:31,315 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 138 transitions. [2021-02-21 16:07:31,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-21 16:07:31,316 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:31,316 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] [2021-02-21 16:07:31,317 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-21 16:07:31,317 INFO L428 AbstractCegarLoop]: === Iteration 16 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:31,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:31,317 INFO L82 PathProgramCache]: Analyzing trace with hash -577905048, now seen corresponding path program 1 times [2021-02-21 16:07:31,317 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:31,317 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093791935] [2021-02-21 16:07:31,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,364 WARN L141 QuantifierPusher]: treesize reduction 26, result has 21.2 percent of original size [2021-02-21 16:07:31,365 WARN L147 QuantifierPusher]: treesize reduction 26, result has 21.2 percent of original size 7 [2021-02-21 16:07:31,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:31,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:31,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:07:31,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-21 16:07:31,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 16:07:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:31,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:31,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093791935] [2021-02-21 16:07:31,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:31,577 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-21 16:07:31,577 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469082648] [2021-02-21 16:07:31,577 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-21 16:07:31,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:31,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-21 16:07:31,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2021-02-21 16:07:31,578 INFO L87 Difference]: Start difference. First operand 133 states and 138 transitions. Second operand 12 states. [2021-02-21 16:07:31,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:31,871 INFO L93 Difference]: Finished difference Result 144 states and 149 transitions. [2021-02-21 16:07:31,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-21 16:07:31,872 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 63 [2021-02-21 16:07:31,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:31,873 INFO L225 Difference]: With dead ends: 144 [2021-02-21 16:07:31,873 INFO L226 Difference]: Without dead ends: 133 [2021-02-21 16:07:31,874 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 [2021-02-21 16:07:31,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-02-21 16:07:31,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-02-21 16:07:31,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-02-21 16:07:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 136 transitions. [2021-02-21 16:07:31,890 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 136 transitions. Word has length 63 [2021-02-21 16:07:31,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:31,890 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 136 transitions. [2021-02-21 16:07:31,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-21 16:07:31,891 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 136 transitions. [2021-02-21 16:07:31,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2021-02-21 16:07:31,892 INFO L414 BasicCegarLoop]: Found error trace [2021-02-21 16:07:31,892 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] [2021-02-21 16:07:31,892 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-02-21 16:07:31,892 INFO L428 AbstractCegarLoop]: === Iteration 17 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-21 16:07:31,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-21 16:07:31,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1364815011, now seen corresponding path program 1 times [2021-02-21 16:07:31,893 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-21 16:07:31,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891580663] [2021-02-21 16:07:31,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-21 16:07:31,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:31,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:31,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-21 16:07:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:31,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:31,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:32,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-02-21 16:07:32,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:32,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:32,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:32,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:32,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:32,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:32,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:32,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-21 16:07:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:32,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:32,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:32,063 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:32,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:32,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-21 16:07:32,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:32,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:32,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:32,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-21 16:07:32,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:32,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:32,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:32,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-21 16:07:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:32,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:32,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-21 16:07:32,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-21 16:07:32,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-21 16:07:32,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:32,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-21 16:07:32,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-21 16:07:32,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-21 16:07:32,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-21 16:07:32,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891580663] [2021-02-21 16:07:32,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-21 16:07:32,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-21 16:07:32,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199509128] [2021-02-21 16:07:32,126 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-21 16:07:32,126 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-21 16:07:32,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-21 16:07:32,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-02-21 16:07:32,127 INFO L87 Difference]: Start difference. First operand 133 states and 136 transitions. Second operand 11 states. [2021-02-21 16:07:32,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-21 16:07:32,326 INFO L93 Difference]: Finished difference Result 133 states and 136 transitions. [2021-02-21 16:07:32,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-21 16:07:32,326 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2021-02-21 16:07:32,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-21 16:07:32,327 INFO L225 Difference]: With dead ends: 133 [2021-02-21 16:07:32,327 INFO L226 Difference]: Without dead ends: 0 [2021-02-21 16:07:32,328 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 [2021-02-21 16:07:32,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-21 16:07:32,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-21 16:07:32,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-21 16:07:32,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-21 16:07:32,329 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2021-02-21 16:07:32,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-21 16:07:32,329 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-21 16:07:32,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-21 16:07:32,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-21 16:07:32,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-21 16:07:32,329 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-02-21 16:07:32,332 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-21 16:07:33,355 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 34 [2021-02-21 16:07:33,545 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-02-21 16:07:33,708 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2021-02-21 16:07:34,008 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-02-21 16:07:34,270 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 42 [2021-02-21 16:07:34,834 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 40 [2021-02-21 16:07:35,081 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 41 [2021-02-21 16:07:35,247 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 29 [2021-02-21 16:07:35,656 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 40 [2021-02-21 16:07:35,823 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2021-02-21 16:07:36,056 WARN L202 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2021-02-21 16:07:36,279 WARN L202 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 42 [2021-02-21 16:07:36,526 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 69 [2021-02-21 16:07:36,667 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 34 [2021-02-21 16:07:36,969 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2021-02-21 16:07:37,295 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 47 [2021-02-21 16:07:37,553 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 38 [2021-02-21 16:07:37,667 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 42 [2021-02-21 16:07:37,904 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 39 [2021-02-21 16:07:38,038 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2021-02-21 16:07:38,216 WARN L202 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 42 [2021-02-21 16:07:38,506 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 27 [2021-02-21 16:07:38,568 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-21 16:07:38,568 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-21 16:07:38,569 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-21 16:07:38,569 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))) [2021-02-21 16:07:38,569 INFO L189 CegarLoopUtils]: For program point KeSetEventFINAL(lines 515 522) no Hoare annotation was computed. [2021-02-21 16:07:38,569 INFO L189 CegarLoopUtils]: For program point KeSetEventEXIT(lines 515 522) no Hoare annotation was computed. [2021-02-21 16:07:38,570 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))) [2021-02-21 16:07:38,570 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))) [2021-02-21 16:07:38,570 INFO L189 CegarLoopUtils]: For program point L571-1(line 571) no Hoare annotation was computed. [2021-02-21 16:07:38,570 INFO L189 CegarLoopUtils]: For program point KbFilter_CompleteFINAL(lines 565 575) no Hoare annotation was computed. [2021-02-21 16:07:38,570 INFO L189 CegarLoopUtils]: For program point KbFilter_CompleteEXIT(lines 565 575) no Hoare annotation was computed. [2021-02-21 16:07:38,570 INFO L189 CegarLoopUtils]: For program point stub_driver_initEXIT(lines 37 50) no Hoare annotation was computed. [2021-02-21 16:07:38,571 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))) [2021-02-21 16:07:38,571 INFO L189 CegarLoopUtils]: For program point stub_driver_initFINAL(lines 37 50) no Hoare annotation was computed. [2021-02-21 16:07:38,571 INFO L189 CegarLoopUtils]: For program point _BLAST_initFINAL(lines 51 72) no Hoare annotation was computed. [2021-02-21 16:07:38,571 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)|))) [2021-02-21 16:07:38,571 INFO L189 CegarLoopUtils]: For program point _BLAST_initEXIT(lines 51 72) no Hoare annotation was computed. [2021-02-21 16:07:38,571 INFO L192 CegarLoopUtils]: At program point errorFnENTRY(lines 577 584) the Hoare annotation is: true [2021-02-21 16:07:38,571 INFO L189 CegarLoopUtils]: For program point errorFnFINAL(lines 577 584) no Hoare annotation was computed. [2021-02-21 16:07:38,572 INFO L189 CegarLoopUtils]: For program point errorFnEXIT(lines 577 584) no Hoare annotation was computed. [2021-02-21 16:07:38,572 INFO L189 CegarLoopUtils]: For program point errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION(line 581) no Hoare annotation was computed. [2021-02-21 16:07:38,572 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 288 422) no Hoare annotation was computed. [2021-02-21 16:07:38,572 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)|))) [2021-02-21 16:07:38,572 INFO L189 CegarLoopUtils]: For program point L359(line 359) no Hoare annotation was computed. [2021-02-21 16:07:38,572 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))) [2021-02-21 16:07:38,572 INFO L189 CegarLoopUtils]: For program point L409(lines 409 411) no Hoare annotation was computed. [2021-02-21 16:07:38,573 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))) [2021-02-21 16:07:38,573 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 288 422) no Hoare annotation was computed. [2021-02-21 16:07:38,573 INFO L189 CegarLoopUtils]: For program point L385(lines 369 418) no Hoare annotation was computed. [2021-02-21 16:07:38,573 INFO L189 CegarLoopUtils]: For program point L352(lines 352 367) no Hoare annotation was computed. [2021-02-21 16:07:38,573 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)|))) [2021-02-21 16:07:38,573 INFO L189 CegarLoopUtils]: For program point L386(lines 386 415) no Hoare annotation was computed. [2021-02-21 16:07:38,573 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))) [2021-02-21 16:07:38,574 INFO L189 CegarLoopUtils]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-02-21 16:07:38,574 INFO L189 CegarLoopUtils]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-02-21 16:07:38,574 INFO L189 CegarLoopUtils]: For program point L337(lines 323 368) no Hoare annotation was computed. [2021-02-21 16:07:38,574 INFO L189 CegarLoopUtils]: For program point L387(lines 387 414) no Hoare annotation was computed. [2021-02-21 16:07:38,574 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))) [2021-02-21 16:07:38,574 INFO L189 CegarLoopUtils]: For program point L321-1(lines 297 421) no Hoare annotation was computed. [2021-02-21 16:07:38,574 INFO L189 CegarLoopUtils]: For program point L404(lines 404 412) no Hoare annotation was computed. [2021-02-21 16:07:38,574 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))) [2021-02-21 16:07:38,575 INFO L189 CegarLoopUtils]: For program point L388(lines 388 394) no Hoare annotation was computed. [2021-02-21 16:07:38,575 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)|))) [2021-02-21 16:07:38,575 INFO L189 CegarLoopUtils]: For program point L405(lines 405 407) no Hoare annotation was computed. [2021-02-21 16:07:38,575 INFO L189 CegarLoopUtils]: For program point L389(lines 389 391) no Hoare annotation was computed. [2021-02-21 16:07:38,575 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))) [2021-02-21 16:07:38,575 INFO L189 CegarLoopUtils]: For program point L340-1(lines 339 349) no Hoare annotation was computed. [2021-02-21 16:07:38,575 INFO L189 CegarLoopUtils]: For program point L398(lines 398 402) no Hoare annotation was computed. [2021-02-21 16:07:38,575 INFO L189 CegarLoopUtils]: For program point L332(lines 332 335) no Hoare annotation was computed. [2021-02-21 16:07:38,575 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))) [2021-02-21 16:07:38,576 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))) [2021-02-21 16:07:38,576 INFO L189 CegarLoopUtils]: For program point L445(lines 445 448) no Hoare annotation was computed. [2021-02-21 16:07:38,576 INFO L189 CegarLoopUtils]: For program point L445-1(lines 445 448) no Hoare annotation was computed. [2021-02-21 16:07:38,576 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))) [2021-02-21 16:07:38,576 INFO L189 CegarLoopUtils]: For program point IofCallDriverFINAL(lines 437 500) no Hoare annotation was computed. [2021-02-21 16:07:38,576 INFO L189 CegarLoopUtils]: For program point L479(lines 479 496) no Hoare annotation was computed. [2021-02-21 16:07:38,577 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))) [2021-02-21 16:07:38,577 INFO L189 CegarLoopUtils]: For program point L446-1(line 446) no Hoare annotation was computed. [2021-02-21 16:07:38,577 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)))) [2021-02-21 16:07:38,577 INFO L189 CegarLoopUtils]: For program point IofCallDriverEXIT(lines 437 500) no Hoare annotation was computed. [2021-02-21 16:07:38,577 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))) [2021-02-21 16:07:38,577 INFO L189 CegarLoopUtils]: For program point L488(lines 488 495) no Hoare annotation was computed. [2021-02-21 16:07:38,577 INFO L189 CegarLoopUtils]: For program point L451(lines 451 474) no Hoare annotation was computed. [2021-02-21 16:07:38,577 INFO L189 CegarLoopUtils]: For program point L480(lines 480 486) no Hoare annotation was computed. [2021-02-21 16:07:38,578 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))) [2021-02-21 16:07:38,578 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))) [2021-02-21 16:07:38,578 INFO L189 CegarLoopUtils]: For program point L493-1(lines 475 497) no Hoare annotation was computed. [2021-02-21 16:07:38,578 INFO L189 CegarLoopUtils]: For program point L456(lines 456 473) no Hoare annotation was computed. [2021-02-21 16:07:38,578 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))) [2021-02-21 16:07:38,578 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))) [2021-02-21 16:07:38,578 INFO L189 CegarLoopUtils]: For program point L431-1(lines 423 436) no Hoare annotation was computed. [2021-02-21 16:07:38,579 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))) [2021-02-21 16:07:38,579 INFO L189 CegarLoopUtils]: For program point stubMoreProcessingRequiredEXIT(lines 423 436) no Hoare annotation was computed. [2021-02-21 16:07:38,579 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:07:38,579 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)|)) [2021-02-21 16:07:38,579 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:07:38,579 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))) [2021-02-21 16:07:38,579 INFO L189 CegarLoopUtils]: For program point L541(lines 541 545) no Hoare annotation was computed. [2021-02-21 16:07:38,580 INFO L189 CegarLoopUtils]: For program point L541-1(lines 528 547) no Hoare annotation was computed. [2021-02-21 16:07:38,580 INFO L189 CegarLoopUtils]: For program point KeWaitForSingleObjectEXIT(lines 523 564) no Hoare annotation was computed. [2021-02-21 16:07:38,580 INFO L189 CegarLoopUtils]: For program point L529(lines 529 534) no Hoare annotation was computed. [2021-02-21 16:07:38,580 INFO L189 CegarLoopUtils]: For program point L550(lines 550 562) no Hoare annotation was computed. [2021-02-21 16:07:38,580 INFO L189 CegarLoopUtils]: For program point KeWaitForSingleObjectFINAL(lines 523 564) no Hoare annotation was computed. [2021-02-21 16:07:38,580 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))) [2021-02-21 16:07:38,580 INFO L189 CegarLoopUtils]: For program point L528(lines 528 547) no Hoare annotation was computed. [2021-02-21 16:07:38,580 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))) [2021-02-21 16:07:38,581 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))) [2021-02-21 16:07:38,581 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))) [2021-02-21 16:07:38,581 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))) [2021-02-21 16:07:38,581 INFO L189 CegarLoopUtils]: For program point L509-1(lines 501 514) no Hoare annotation was computed. [2021-02-21 16:07:38,581 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))) [2021-02-21 16:07:38,581 INFO L189 CegarLoopUtils]: For program point L505(lines 505 511) no Hoare annotation was computed. [2021-02-21 16:07:38,582 INFO L189 CegarLoopUtils]: For program point IofCompleteRequestEXIT(lines 501 514) no Hoare annotation was computed. [2021-02-21 16:07:38,582 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-21 16:07:38,582 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)) [2021-02-21 16:07:38,582 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-21 16:07:38,582 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-21 16:07:38,582 INFO L189 CegarLoopUtils]: For program point L192(lines 192 198) no Hoare annotation was computed. [2021-02-21 16:07:38,582 INFO L189 CegarLoopUtils]: For program point L159(lines 159 265) no Hoare annotation was computed. [2021-02-21 16:07:38,582 INFO L189 CegarLoopUtils]: For program point L126(lines 126 276) no Hoare annotation was computed. [2021-02-21 16:07:38,582 INFO L189 CegarLoopUtils]: For program point L192-2(lines 166 261) no Hoare annotation was computed. [2021-02-21 16:07:38,582 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))) [2021-02-21 16:07:38,583 INFO L189 CegarLoopUtils]: For program point L242-1(line 242) no Hoare annotation was computed. [2021-02-21 16:07:38,583 INFO L189 CegarLoopUtils]: For program point L176(lines 176 182) no Hoare annotation was computed. [2021-02-21 16:07:38,583 INFO L189 CegarLoopUtils]: For program point L176-1(lines 171 183) no Hoare annotation was computed. [2021-02-21 16:07:38,583 INFO L189 CegarLoopUtils]: For program point L201(lines 201 205) no Hoare annotation was computed. [2021-02-21 16:07:38,583 INFO L189 CegarLoopUtils]: For program point L135(lines 135 273) no Hoare annotation was computed. [2021-02-21 16:07:38,583 INFO L189 CegarLoopUtils]: For program point L102(lines 102 284) no Hoare annotation was computed. [2021-02-21 16:07:38,583 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))) [2021-02-21 16:07:38,583 INFO L189 CegarLoopUtils]: For program point L226-1(lines 226 227) no Hoare annotation was computed. [2021-02-21 16:07:38,583 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))) [2021-02-21 16:07:38,583 INFO L189 CegarLoopUtils]: For program point L251-1(lines 247 253) no Hoare annotation was computed. [2021-02-21 16:07:38,584 INFO L189 CegarLoopUtils]: For program point L144(lines 144 270) no Hoare annotation was computed. [2021-02-21 16:07:38,584 INFO L189 CegarLoopUtils]: For program point L111(lines 111 281) no Hoare annotation was computed. [2021-02-21 16:07:38,584 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))) [2021-02-21 16:07:38,584 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)))) [2021-02-21 16:07:38,584 INFO L189 CegarLoopUtils]: For program point L194-1(lines 194 196) no Hoare annotation was computed. [2021-02-21 16:07:38,584 INFO L189 CegarLoopUtils]: For program point L153(lines 153 267) no Hoare annotation was computed. [2021-02-21 16:07:38,584 INFO L189 CegarLoopUtils]: For program point L120(lines 120 278) no Hoare annotation was computed. [2021-02-21 16:07:38,584 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))) [2021-02-21 16:07:38,585 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))) [2021-02-21 16:07:38,585 INFO L189 CegarLoopUtils]: For program point KbFilter_PnPEXIT(lines 75 287) no Hoare annotation was computed. [2021-02-21 16:07:38,585 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))) [2021-02-21 16:07:38,585 INFO L189 CegarLoopUtils]: For program point L236-1(lines 232 238) no Hoare annotation was computed. [2021-02-21 16:07:38,585 INFO L189 CegarLoopUtils]: For program point L162(lines 162 264) no Hoare annotation was computed. [2021-02-21 16:07:38,585 INFO L189 CegarLoopUtils]: For program point L129(lines 129 275) no Hoare annotation was computed. [2021-02-21 16:07:38,585 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))) [2021-02-21 16:07:38,585 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))) [2021-02-21 16:07:38,586 INFO L189 CegarLoopUtils]: For program point L220-1(lines 216 222) no Hoare annotation was computed. [2021-02-21 16:07:38,586 INFO L189 CegarLoopUtils]: For program point L187-1(lines 187 188) no Hoare annotation was computed. [2021-02-21 16:07:38,586 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))) [2021-02-21 16:07:38,586 INFO L189 CegarLoopUtils]: For program point L171(lines 171 183) no Hoare annotation was computed. [2021-02-21 16:07:38,586 INFO L189 CegarLoopUtils]: For program point L138(lines 138 272) no Hoare annotation was computed. [2021-02-21 16:07:38,586 INFO L189 CegarLoopUtils]: For program point L105(lines 105 283) no Hoare annotation was computed. [2021-02-21 16:07:38,586 INFO L189 CegarLoopUtils]: For program point KbFilter_PnPFINAL(lines 75 287) no Hoare annotation was computed. [2021-02-21 16:07:38,586 INFO L192 CegarLoopUtils]: At program point L262(lines 166 263) the Hoare annotation is: true [2021-02-21 16:07:38,586 INFO L189 CegarLoopUtils]: For program point L147(lines 147 269) no Hoare annotation was computed. [2021-02-21 16:07:38,586 INFO L189 CegarLoopUtils]: For program point L114(lines 114 280) no Hoare annotation was computed. [2021-02-21 16:07:38,587 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))) [2021-02-21 16:07:38,587 INFO L189 CegarLoopUtils]: For program point L156(lines 156 266) no Hoare annotation was computed. [2021-02-21 16:07:38,587 INFO L189 CegarLoopUtils]: For program point L123(lines 123 277) no Hoare annotation was computed. [2021-02-21 16:07:38,587 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))) [2021-02-21 16:07:38,587 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))) [2021-02-21 16:07:38,587 INFO L189 CegarLoopUtils]: For program point L132(lines 132 274) no Hoare annotation was computed. [2021-02-21 16:07:38,587 INFO L189 CegarLoopUtils]: For program point L141(lines 141 271) no Hoare annotation was computed. [2021-02-21 16:07:38,587 INFO L189 CegarLoopUtils]: For program point L108(lines 108 282) no Hoare annotation was computed. [2021-02-21 16:07:38,587 INFO L189 CegarLoopUtils]: For program point L232(lines 232 238) no Hoare annotation was computed. [2021-02-21 16:07:38,588 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))) [2021-02-21 16:07:38,588 INFO L189 CegarLoopUtils]: For program point L257-1(lines 257 258) no Hoare annotation was computed. [2021-02-21 16:07:38,588 INFO L189 CegarLoopUtils]: For program point L216(lines 216 222) no Hoare annotation was computed. [2021-02-21 16:07:38,588 INFO L189 CegarLoopUtils]: For program point L150(lines 150 268) no Hoare annotation was computed. [2021-02-21 16:07:38,588 INFO L189 CegarLoopUtils]: For program point L117(lines 117 279) no Hoare annotation was computed. [2021-02-21 16:07:38,588 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))) [2021-02-21 16:07:38,588 INFO L189 CegarLoopUtils]: For program point L200(lines 200 206) no Hoare annotation was computed. [2021-02-21 16:07:38,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:07:38 BoogieIcfgContainer [2021-02-21 16:07:38,622 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-21 16:07:38,623 INFO L168 Benchmark]: Toolchain (without parser) took 21999.49 ms. Allocated memory was 152.0 MB in the beginning and 398.5 MB in the end (delta: 246.4 MB). Free memory was 127.3 MB in the beginning and 201.4 MB in the end (delta: -74.1 MB). Peak memory consumption was 235.2 MB. Max. memory is 8.0 GB. [2021-02-21 16:07:38,624 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-21 16:07:38,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.51 ms. Allocated memory is still 152.0 MB. Free memory was 126.2 MB in the beginning and 111.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-02-21 16:07:38,624 INFO L168 Benchmark]: Boogie Preprocessor took 59.15 ms. Allocated memory is still 152.0 MB. Free memory was 111.7 MB in the beginning and 109.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-21 16:07:38,624 INFO L168 Benchmark]: RCFGBuilder took 914.01 ms. Allocated memory is still 152.0 MB. Free memory was 109.4 MB in the beginning and 97.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. [2021-02-21 16:07:38,624 INFO L168 Benchmark]: TraceAbstraction took 20560.20 ms. Allocated memory was 152.0 MB in the beginning and 398.5 MB in the end (delta: 246.4 MB). Free memory was 97.4 MB in the beginning and 201.4 MB in the end (delta: -104.0 MB). Peak memory consumption was 205.3 MB. Max. memory is 8.0 GB. [2021-02-21 16:07:38,625 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 152.0 MB. Free memory is still 124.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 444.51 ms. Allocated memory is still 152.0 MB. Free memory was 126.2 MB in the beginning and 111.8 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 59.15 ms. Allocated memory is still 152.0 MB. Free memory was 111.7 MB in the beginning and 109.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 914.01 ms. Allocated memory is still 152.0 MB. Free memory was 109.4 MB in the beginning and 97.9 MB in the end (delta: 11.5 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20560.20 ms. Allocated memory was 152.0 MB in the beginning and 398.5 MB in the end (delta: 246.4 MB). Free memory was 97.4 MB in the beginning and 201.4 MB in the end (delta: -104.0 MB). Peak memory consumption was 205.3 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: 14.2s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 8.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1987 SDtfs, 2586 SDslu, 2502 SDs, 0 SdLazy, 5049 SolverSat, 698 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 334 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 4.0s 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, 5.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s 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...