/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:23:11,117 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:23:11,119 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:23:11,138 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:23:11,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:23:11,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:23:11,142 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:23:11,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:23:11,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:23:11,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:23:11,160 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:23:11,163 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:23:11,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:23:11,165 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:23:11,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:23:11,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:23:11,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:23:11,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:23:11,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:23:11,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:23:11,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:23:11,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:23:11,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:23:11,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:23:11,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:23:11,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:23:11,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:23:11,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:23:11,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:23:11,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:23:11,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:23:11,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:23:11,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:23:11,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:23:11,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:23:11,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:23:11,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:23:11,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:23:11,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:23:11,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:23:11,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:23:11,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:23:11,223 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:23:11,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:23:11,234 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:23:11,234 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:23:11,234 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:23:11,235 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:23:11,235 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:23:11,235 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:23:11,235 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:23:11,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:23:11,235 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:23:11,236 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:23:11,236 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:23:11,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:23:11,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:23:11,236 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:23:11,237 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:23:11,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:23:11,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:23:11,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:23:11,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:23:11,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:23:11,239 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:23:11,524 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:23:11,538 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:23:11,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:23:11,543 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:23:11,544 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:23:11,545 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-07-07 15:23:11,623 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f19e87c5/3a891a6756f745568f8a0f9bed9b5af0/FLAG396f55810 [2020-07-07 15:23:12,150 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:23:12,154 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ntdrivers-simplified/kbfiltr_simpl2.cil-2.c [2020-07-07 15:23:12,170 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f19e87c5/3a891a6756f745568f8a0f9bed9b5af0/FLAG396f55810 [2020-07-07 15:23:12,502 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f19e87c5/3a891a6756f745568f8a0f9bed9b5af0 [2020-07-07 15:23:12,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:23:12,513 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:23:12,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:23:12,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:23:12,519 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:23:12,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:23:12" (1/1) ... [2020-07-07 15:23:12,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d3b8a86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:12, skipping insertion in model container [2020-07-07 15:23:12,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:23:12" (1/1) ... [2020-07-07 15:23:12,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:23:12,577 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:23:13,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:23:13,017 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:23:13,091 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:23:13,113 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:23:13,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13 WrapperNode [2020-07-07 15:23:13,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:23:13,114 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:23:13,114 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:23:13,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:23:13,129 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13" (1/1) ... [2020-07-07 15:23:13,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13" (1/1) ... [2020-07-07 15:23:13,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13" (1/1) ... [2020-07-07 15:23:13,143 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13" (1/1) ... [2020-07-07 15:23:13,162 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13" (1/1) ... [2020-07-07 15:23:13,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13" (1/1) ... [2020-07-07 15:23:13,180 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13" (1/1) ... [2020-07-07 15:23:13,186 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:23:13,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:23:13,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:23:13,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:23:13,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:23:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:23:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:23:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure stub_driver_init [2020-07-07 15:23:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure _BLAST_init [2020-07-07 15:23:13,250 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_PnP [2020-07-07 15:23:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:23:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure stubMoreProcessingRequired [2020-07-07 15:23:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCallDriver [2020-07-07 15:23:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure IofCompleteRequest [2020-07-07 15:23:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure KeSetEvent [2020-07-07 15:23:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure KeWaitForSingleObject [2020-07-07 15:23:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Complete [2020-07-07 15:23:13,251 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_CreateClose [2020-07-07 15:23:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_DispatchPassThrough [2020-07-07 15:23:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_Power [2020-07-07 15:23:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure PoCallDriver [2020-07-07 15:23:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure KbFilter_InternIoCtl [2020-07-07 15:23:13,252 INFO L138 BoogieDeclarations]: Found implementation of procedure errorFn [2020-07-07 15:23:13,252 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:23:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2020-07-07 15:23:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:23:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-07-07 15:23:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_PnP [2020-07-07 15:23:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure IofCallDriver [2020-07-07 15:23:13,253 INFO L130 BoogieDeclarations]: Found specification of procedure KeSetEvent [2020-07-07 15:23:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure KeWaitForSingleObject [2020-07-07 15:23:13,254 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Complete [2020-07-07 15:23:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_CreateClose [2020-07-07 15:23:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_DispatchPassThrough [2020-07-07 15:23:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_Power [2020-07-07 15:23:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure PoCallDriver [2020-07-07 15:23:13,260 INFO L130 BoogieDeclarations]: Found specification of procedure KbFilter_InternIoCtl [2020-07-07 15:23:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure errorFn [2020-07-07 15:23:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure IofCompleteRequest [2020-07-07 15:23:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure stub_driver_init [2020-07-07 15:23:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure _BLAST_init [2020-07-07 15:23:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:23:13,261 INFO L130 BoogieDeclarations]: Found specification of procedure stubMoreProcessingRequired [2020-07-07 15:23:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:23:13,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:23:13,534 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-07 15:23:13,656 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume false; [2020-07-07 15:23:13,656 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume !false; [2020-07-07 15:23:13,691 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-07 15:23:13,947 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##18: assume false; [2020-07-07 15:23:13,947 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##19: assume !false; [2020-07-07 15:23:13,949 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-07 15:23:14,016 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-07-07 15:23:14,016 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-07-07 15:23:14,023 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-07 15:23:14,071 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##12: assume !false; [2020-07-07 15:23:14,071 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume false; [2020-07-07 15:23:14,226 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-07 15:23:14,250 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##16: assume !false; [2020-07-07 15:23:14,250 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##15: assume false; [2020-07-07 15:23:14,300 WARN L775 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2020-07-07 15:23:14,409 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##43: assume false; [2020-07-07 15:23:14,409 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##44: assume !false; [2020-07-07 15:23:14,434 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:23:14,435 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-07-07 15:23:14,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:23:14 BoogieIcfgContainer [2020-07-07 15:23:14,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:23:14,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:23:14,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:23:14,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:23:14,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:23:12" (1/3) ... [2020-07-07 15:23:14,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273d0f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:23:14, skipping insertion in model container [2020-07-07 15:23:14,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:23:13" (2/3) ... [2020-07-07 15:23:14,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@273d0f79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:23:14, skipping insertion in model container [2020-07-07 15:23:14,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:23:14" (3/3) ... [2020-07-07 15:23:14,458 INFO L109 eAbstractionObserver]: Analyzing ICFG kbfiltr_simpl2.cil-2.c [2020-07-07 15:23:14,470 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:23:14,480 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:23:14,496 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:23:14,521 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:23:14,522 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:23:14,522 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:23:14,522 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:23:14,522 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:23:14,523 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:23:14,523 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:23:14,523 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:23:14,550 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states. [2020-07-07 15:23:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-07-07 15:23:14,564 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:23:14,566 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:23:14,566 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorFnErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:23:14,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:23:14,573 INFO L82 PathProgramCache]: Analyzing trace with hash 738723625, now seen corresponding path program 1 times [2020-07-07 15:23:14,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:23:14,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2121106617] [2020-07-07 15:23:14,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:23:14,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:23:14,649 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:23:14,650 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:23:14,656 INFO L168 Benchmark]: Toolchain (without parser) took 2141.88 ms. Allocated memory was 144.7 MB in the beginning and 234.9 MB in the end (delta: 90.2 MB). Free memory was 101.2 MB in the beginning and 169.0 MB in the end (delta: -67.8 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:14,657 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 144.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-07 15:23:14,658 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.74 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 174.2 MB in the end (delta: -73.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:14,659 INFO L168 Benchmark]: Boogie Preprocessor took 72.34 ms. Allocated memory is still 202.4 MB. Free memory was 174.2 MB in the beginning and 171.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:14,660 INFO L168 Benchmark]: RCFGBuilder took 1262.48 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 171.5 MB in the beginning and 187.8 MB in the end (delta: -16.3 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:14,661 INFO L168 Benchmark]: TraceAbstraction took 202.67 ms. Allocated memory is still 234.9 MB. Free memory was 186.4 MB in the beginning and 170.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2020-07-07 15:23:14,665 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 144.7 MB. Free memory was 120.1 MB in the beginning and 119.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 599.74 ms. Allocated memory was 144.7 MB in the beginning and 202.4 MB in the end (delta: 57.7 MB). Free memory was 101.0 MB in the beginning and 174.2 MB in the end (delta: -73.2 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 72.34 ms. Allocated memory is still 202.4 MB. Free memory was 174.2 MB in the beginning and 171.5 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1262.48 ms. Allocated memory was 202.4 MB in the beginning and 234.9 MB in the end (delta: 32.5 MB). Free memory was 171.5 MB in the beginning and 187.8 MB in the end (delta: -16.3 MB). Peak memory consumption was 88.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 202.67 ms. Allocated memory is still 234.9 MB. Free memory was 186.4 MB in the beginning and 170.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...