/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 16:01:03,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 16:01:03,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 16:01:03,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 16:01:03,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 16:01:03,255 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 16:01:03,257 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 16:01:03,261 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 16:01:03,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 16:01:03,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 16:01:03,267 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 16:01:03,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 16:01:03,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 16:01:03,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 16:01:03,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 16:01:03,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 16:01:03,277 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 16:01:03,278 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 16:01:03,279 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 16:01:03,287 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 16:01:03,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 16:01:03,291 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 16:01:03,292 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 16:01:03,292 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 16:01:03,304 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 16:01:03,305 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 16:01:03,305 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 16:01:03,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 16:01:03,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 16:01:03,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 16:01:03,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 16:01:03,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 16:01:03,320 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 16:01:03,321 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 16:01:03,322 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 16:01:03,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 16:01:03,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 16:01:03,323 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 16:01:03,323 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 16:01:03,324 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 16:01:03,325 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 16:01:03,326 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 16:01:03,369 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 16:01:03,369 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 16:01:03,372 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 16:01:03,372 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 16:01:03,372 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 16:01:03,372 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 16:01:03,373 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 16:01:03,373 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 16:01:03,373 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 16:01:03,373 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 16:01:03,374 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 16:01:03,374 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 16:01:03,375 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 16:01:03,375 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 16:01:03,375 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 16:01:03,375 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 16:01:03,376 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 16:01:03,376 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 16:01:03,376 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 16:01:03,376 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 16:01:03,376 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 16:01:03,377 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 16:01:03,377 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 16:01:03,377 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 16:01:03,377 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 16:01:03,377 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 16:01:03,378 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 16:01:03,378 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 16:01:03,378 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 16:01:03,378 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;interpolation-heuristic=FIRST;log-additional-information=true; [2020-09-24 16:01:03,883 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 16:01:03,901 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 16:01:03,906 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 16:01:03,908 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 16:01:03,909 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 16:01:03,910 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2020-09-24 16:01:03,993 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7263cb74e/c192b3e35a384339a4047312f89380da/FLAG12e1d9459 [2020-09-24 16:01:04,559 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 16:01:04,560 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2020-09-24 16:01:04,569 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7263cb74e/c192b3e35a384339a4047312f89380da/FLAG12e1d9459 [2020-09-24 16:01:04,892 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/7263cb74e/c192b3e35a384339a4047312f89380da [2020-09-24 16:01:04,909 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 16:01:04,916 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 16:01:04,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 16:01:04,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 16:01:04,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 16:01:04,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:01:04" (1/1) ... [2020-09-24 16:01:04,932 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1265c732 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:04, skipping insertion in model container [2020-09-24 16:01:04,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 04:01:04" (1/1) ... [2020-09-24 16:01:04,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 16:01:04,983 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 16:01:05,212 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:01:05,232 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 16:01:05,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 16:01:05,280 INFO L208 MainTranslator]: Completed translation [2020-09-24 16:01:05,280 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05 WrapperNode [2020-09-24 16:01:05,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 16:01:05,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 16:01:05,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 16:01:05,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 16:01:05,379 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05" (1/1) ... [2020-09-24 16:01:05,379 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05" (1/1) ... [2020-09-24 16:01:05,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05" (1/1) ... [2020-09-24 16:01:05,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05" (1/1) ... [2020-09-24 16:01:05,405 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05" (1/1) ... [2020-09-24 16:01:05,411 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05" (1/1) ... [2020-09-24 16:01:05,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05" (1/1) ... [2020-09-24 16:01:05,423 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 16:01:05,423 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 16:01:05,423 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 16:01:05,424 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 16:01:05,428 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-24 16:01:05,505 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 16:01:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 16:01:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-09-24 16:01:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 16:01:05,506 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 16:01:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-09-24 16:01:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-09-24 16:01:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-09-24 16:01:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-09-24 16:01:05,507 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 16:01:05,508 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 16:01:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 16:01:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 16:01:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-09-24 16:01:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 16:01:05,508 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 16:01:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 16:01:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 16:01:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 16:01:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-09-24 16:01:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-09-24 16:01:05,509 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-09-24 16:01:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-09-24 16:01:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 16:01:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 16:01:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 16:01:05,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 16:01:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 16:01:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 16:01:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 16:01:05,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 16:01:05,951 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 16:01:05,952 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-24 16:01:05,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:01:05 BoogieIcfgContainer [2020-09-24 16:01:05,958 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 16:01:05,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 16:01:05,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 16:01:05,963 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 16:01:05,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 04:01:04" (1/3) ... [2020-09-24 16:01:05,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a36f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:01:05, skipping insertion in model container [2020-09-24 16:01:05,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 04:01:05" (2/3) ... [2020-09-24 16:01:05,965 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38a36f9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 04:01:05, skipping insertion in model container [2020-09-24 16:01:05,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 04:01:05" (3/3) ... [2020-09-24 16:01:05,968 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast_2.i [2020-09-24 16:01:05,979 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 16:01:05,991 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 16:01:06,014 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 16:01:06,049 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 16:01:06,049 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 16:01:06,049 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 16:01:06,049 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 16:01:06,049 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 16:01:06,049 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 16:01:06,050 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 16:01:06,050 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 16:01:06,077 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states. [2020-09-24 16:01:06,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-09-24 16:01:06,087 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:01:06,088 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] [2020-09-24 16:01:06,089 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:01:06,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:01:06,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1030867920, now seen corresponding path program 1 times [2020-09-24 16:01:06,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:01:06,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690707090] [2020-09-24 16:01:06,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:01:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:06,347 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:06,347 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:06,348 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:06,348 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:06,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-09-24 16:01:06,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:06,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-24 16:01:06,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:06,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:01:06,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 28 [2020-09-24 16:01:06,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 16:01:06,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:06,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:06,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:06,533 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:06,534 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:06,534 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:06,534 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:06,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:06,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:06,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:01:06,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:06,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:06,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:06,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 16:01:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:06,626 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:06,627 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:06,627 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:06,627 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:06,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-09-24 16:01:06,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:06,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-24 16:01:06,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:01:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 16:01:06,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 16:01:06,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:06,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:06,708 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:06,708 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:06,708 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:06,709 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:06,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 16:01:06,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:06,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-24 16:01:06,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:06,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:01:06,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:06,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 16:01:06,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:06,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:06,775 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:06,776 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:06,776 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:06,777 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:06,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:01:06,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:06,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 16:01:06,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:06,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:01:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:06,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 16:01:06,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:06,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 16:01:06,798 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690707090] [2020-09-24 16:01:06,800 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:01:06,800 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 16:01:06,802 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833136678] [2020-09-24 16:01:06,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 16:01:06,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:01:06,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 16:01:06,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:01:06,829 INFO L87 Difference]: Start difference. First operand 106 states. Second operand 10 states. [2020-09-24 16:01:07,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:01:07,399 INFO L93 Difference]: Finished difference Result 124 states and 136 transitions. [2020-09-24 16:01:07,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-09-24 16:01:07,401 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-09-24 16:01:07,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:01:07,425 INFO L225 Difference]: With dead ends: 124 [2020-09-24 16:01:07,425 INFO L226 Difference]: Without dead ends: 103 [2020-09-24 16:01:07,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-09-24 16:01:07,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-09-24 16:01:07,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2020-09-24 16:01:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-09-24 16:01:07,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 106 transitions. [2020-09-24 16:01:07,499 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 106 transitions. Word has length 38 [2020-09-24 16:01:07,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:01:07,502 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 106 transitions. [2020-09-24 16:01:07,502 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 16:01:07,502 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 106 transitions. [2020-09-24 16:01:07,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-09-24 16:01:07,506 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:01:07,506 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:01:07,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 16:01:07,507 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:01:07,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:01:07,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1857982353, now seen corresponding path program 1 times [2020-09-24 16:01:07,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:01:07,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1334232005] [2020-09-24 16:01:07,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:01:07,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:07,589 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:07,589 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:07,590 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:07,590 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:07,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-09-24 16:01:07,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:07,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-09-24 16:01:07,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:07,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:01:07,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-09-24 16:01:07,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 16:01:07,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:07,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 16:01:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:07,706 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:07,706 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:07,706 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:07,707 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:07,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 16:01:07,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:07,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:07,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:07,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:07,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:07,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-09-24 16:01:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:07,774 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:07,775 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:07,775 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:07,775 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:07,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-09-24 16:01:07,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:07,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 16:01:07,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:07,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 16:01:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 30 [2020-09-24 16:01:07,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 16:01:07,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:07,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:07,871 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:07,872 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:07,872 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:07,872 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:07,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 16:01:07,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:07,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:07,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:07,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:07,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:07,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:07,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:07,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:07,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:07,892 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:07,892 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:07,893 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:07,893 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:07,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:01:07,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:07,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-24 16:01:07,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 16:01:07,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:07,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 16:01:07,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:07,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-09-24 16:01:07,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:07,916 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:07,916 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:07,916 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:07,916 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:07,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-09-24 16:01:07,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:07,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 16:01:07,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:07,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-09-24 16:01:07,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:07,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-09-24 16:01:07,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 16:01:07,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-24 16:01:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 16:01:07,964 FATAL L256 erpolLogProxyWrapper]: Difference in size: 0 [2020-09-24 16:01:07,964 FATAL L256 erpolLogProxyWrapper]: Difference in depth: 0 [2020-09-24 16:01:07,964 FATAL L256 erpolLogProxyWrapper]: Difference in width: 0 [2020-09-24 16:01:07,965 FATAL L256 erpolLogProxyWrapper]: Timeout: Unlimited (no timeout set) [2020-09-24 16:01:07,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 16:01:07,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 16:01:07,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 16:01:07,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: FIRST [2020-09-24 16:01:07,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 16:01:07,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 16:01:07,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 16:01:07,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 16:01:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-09-24 16:01:07,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1334232005] [2020-09-24 16:01:07,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 16:01:07,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 16:01:07,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2090872824] [2020-09-24 16:01:07,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 16:01:07,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 16:01:07,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 16:01:07,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-24 16:01:07,985 INFO L87 Difference]: Start difference. First operand 99 states and 106 transitions. Second operand 10 states. [2020-09-24 16:01:08,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 16:01:08,607 INFO L93 Difference]: Finished difference Result 123 states and 128 transitions. [2020-09-24 16:01:08,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-09-24 16:01:08,608 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 53 [2020-09-24 16:01:08,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 16:01:08,611 INFO L225 Difference]: With dead ends: 123 [2020-09-24 16:01:08,611 INFO L226 Difference]: Without dead ends: 112 [2020-09-24 16:01:08,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2020-09-24 16:01:08,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-09-24 16:01:08,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 108. [2020-09-24 16:01:08,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-09-24 16:01:08,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 113 transitions. [2020-09-24 16:01:08,631 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 113 transitions. Word has length 53 [2020-09-24 16:01:08,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 16:01:08,632 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 113 transitions. [2020-09-24 16:01:08,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 16:01:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 113 transitions. [2020-09-24 16:01:08,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-09-24 16:01:08,635 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 16:01:08,636 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 16:01:08,636 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 16:01:08,636 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 16:01:08,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 16:01:08,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1972643668, now seen corresponding path program 1 times [2020-09-24 16:01:08,637 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 16:01:08,637 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [397697933] [2020-09-24 16:01:08,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 16:01:08,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-09-24 16:01:08,706 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-09-24 16:01:08,706 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-09-24 16:01:08,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 16:01:08,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.09 04:01:08 BoogieIcfgContainer [2020-09-24 16:01:08,750 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-09-24 16:01:08,756 INFO L168 Benchmark]: Toolchain (without parser) took 3841.44 ms. Allocated memory was 139.5 MB in the beginning and 246.9 MB in the end (delta: 107.5 MB). Free memory was 101.2 MB in the beginning and 153.2 MB in the end (delta: -51.9 MB). Peak memory consumption was 55.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:01:08,757 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-09-24 16:01:08,758 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.97 ms. Allocated memory is still 139.5 MB. Free memory was 100.6 MB in the beginning and 89.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2020-09-24 16:01:08,759 INFO L168 Benchmark]: Boogie Preprocessor took 141.36 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 89.2 MB in the beginning and 179.7 MB in the end (delta: -90.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2020-09-24 16:01:08,760 INFO L168 Benchmark]: RCFGBuilder took 535.25 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 152.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. [2020-09-24 16:01:08,761 INFO L168 Benchmark]: TraceAbstraction took 2790.44 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 151.5 MB in the beginning and 153.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. [2020-09-24 16:01:08,765 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 139.5 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 360.97 ms. Allocated memory is still 139.5 MB. Free memory was 100.6 MB in the beginning and 89.2 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.36 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 89.2 MB in the beginning and 179.7 MB in the end (delta: -90.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 535.25 ms. Allocated memory is still 202.4 MB. Free memory was 179.7 MB in the beginning and 152.2 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2790.44 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 151.5 MB in the beginning and 153.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 42.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 7]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L40] struct slot *tmp_slot; [L41] int used_tmp_slot = 0; [L42] int freed_tmp_slot = 1; [L136] CALL ebda_rsrc_controller() [L73] struct hotplug_slot *hp_slot_ptr; [L75] struct bus_info *bus_info_ptr1; [L76] int rc; [L78] CALL, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) [L47] EXPR, FCALL calloc(1, size) [L47] return calloc(1, size); [L78] RET, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) [L78] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) [L79] COND FALSE !(!hp_slot_ptr) [L83] hp_slot_ptr->b = 5 [L85] CALL, EXPR kzalloc(sizeof(*tmp_slot), 1) [L47] EXPR, FCALL calloc(1, size) [L47] return calloc(1, size); [L85] RET, EXPR kzalloc(sizeof(*tmp_slot), 1) [L85] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) [L87] COND FALSE !(!tmp_slot) [L92] used_tmp_slot = 0 [L93] freed_tmp_slot = 0 [L95] tmp_slot->a = 2 [L96] tmp_slot->b = 3 [L98] CALL, EXPR ibmphp_find_same_bus_num() [L56] COND TRUE __VERIFIER_nondet_int() [L57] return 0; [L98] RET, EXPR ibmphp_find_same_bus_num() [L98] bus_info_ptr1 = ibmphp_find_same_bus_num() [L99] COND TRUE !bus_info_ptr1 [L100] rc = -3 [L127] EXPR hp_slot_ptr->private [L127] CALL kfree(hp_slot_ptr->private) [L50] COND FALSE !(p!=0 && p==tmp_slot) [L127] RET kfree(hp_slot_ptr->private) [L132] return rc; [L136] RET ebda_rsrc_controller() [L137] COND TRUE !used_tmp_slot [L138] (freed_tmp_slot) ? (0) : __blast_assert () [L138] CALL __blast_assert () [L7] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 106 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 190 SDtfs, 327 SDslu, 516 SDs, 0 SdLazy, 615 SolverSat, 90 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 165 NumberOfCodeBlocks, 165 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 11765 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...