/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 --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 SequenceOfStatements --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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 14:38:21,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 14:38:21,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 14:38:21,398 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 14:38:21,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 14:38:21,406 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 14:38:21,408 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 14:38:21,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 14:38:21,416 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 14:38:21,421 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 14:38:21,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 14:38:21,424 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 14:38:21,424 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 14:38:21,428 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 14:38:21,431 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 14:38:21,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 14:38:21,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 14:38:21,437 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 14:38:21,444 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 14:38:21,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 14:38:21,454 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 14:38:21,456 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 14:38:21,458 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 14:38:21,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 14:38:21,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 14:38:21,469 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 14:38:21,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 14:38:21,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 14:38:21,472 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 14:38:21,473 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 14:38:21,473 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 14:38:21,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 14:38:21,476 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 14:38:21,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 14:38:21,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 14:38:21,491 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 14:38:21,492 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 14:38:21,492 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 14:38:21,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 14:38:21,494 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 14:38:21,494 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 14:38:21,502 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 [2020-10-28 14:38:21,546 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 14:38:21,546 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 14:38:21,547 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 14:38:21,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 14:38:21,548 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 14:38:21,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 14:38:21,548 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 14:38:21,549 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 14:38:21,549 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 14:38:21,549 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 14:38:21,549 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 14:38:21,549 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 14:38:21,550 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 14:38:21,550 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 14:38:21,550 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 14:38:21,550 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 14:38:21,550 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 14:38:21,551 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 14:38:21,551 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 14:38:21,551 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 14:38:21,551 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 14:38:21,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 14:38:21,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 14:38:21,552 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 14:38:21,552 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 14:38:21,552 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 14:38:21,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 14:38:21,553 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 14:38:21,553 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 14:38:21,553 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 14:38:21,917 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 14:38:21,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 14:38:21,949 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 14:38:21,950 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 14:38:21,951 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 14:38:21,952 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-10-28 14:38:22,022 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a184f1263/fd899fe5d3ac4326800cb7bc14a46550/FLAG360564605 [2020-10-28 14:38:22,700 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 14:38:22,701 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-10-28 14:38:22,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a184f1263/fd899fe5d3ac4326800cb7bc14a46550/FLAG360564605 [2020-10-28 14:38:23,066 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a184f1263/fd899fe5d3ac4326800cb7bc14a46550 [2020-10-28 14:38:23,069 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 14:38:23,077 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 14:38:23,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 14:38:23,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 14:38:23,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 14:38:23,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:38:23" (1/1) ... [2020-10-28 14:38:23,093 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34da7b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23, skipping insertion in model container [2020-10-28 14:38:23,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 02:38:23" (1/1) ... [2020-10-28 14:38:23,102 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 14:38:23,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 14:38:23,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:38:23,331 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 14:38:23,357 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 14:38:23,388 INFO L208 MainTranslator]: Completed translation [2020-10-28 14:38:23,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23 WrapperNode [2020-10-28 14:38:23,390 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 14:38:23,391 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 14:38:23,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 14:38:23,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 14:38:23,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23" (1/1) ... [2020-10-28 14:38:23,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23" (1/1) ... [2020-10-28 14:38:23,416 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23" (1/1) ... [2020-10-28 14:38:23,416 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23" (1/1) ... [2020-10-28 14:38:23,432 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23" (1/1) ... [2020-10-28 14:38:23,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23" (1/1) ... [2020-10-28 14:38:23,437 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23" (1/1) ... [2020-10-28 14:38:23,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 14:38:23,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 14:38:23,442 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 14:38:23,442 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 14:38:23,443 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23" (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 [2020-10-28 14:38:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 14:38:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 14:38:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 14:38:23,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-28 14:38:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-28 14:38:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-28 14:38:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-28 14:38:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-28 14:38:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-28 14:38:23,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-28 14:38:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 14:38:23,516 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-28 14:38:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 14:38:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 14:38:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 14:38:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 14:38:23,516 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-28 14:38:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-28 14:38:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-28 14:38:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 14:38:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-28 14:38:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-28 14:38:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-28 14:38:23,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 14:38:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-28 14:38:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-28 14:38:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-28 14:38:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 14:38:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 14:38:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 14:38:23,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 14:38:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 14:38:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 14:38:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 14:38:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 14:38:23,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 14:38:23,979 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 14:38:23,979 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-28 14:38:23,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:38:23 BoogieIcfgContainer [2020-10-28 14:38:23,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 14:38:23,984 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 14:38:23,984 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 14:38:23,988 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 14:38:23,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 02:38:23" (1/3) ... [2020-10-28 14:38:23,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386c161c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:38:23, skipping insertion in model container [2020-10-28 14:38:23,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 02:38:23" (2/3) ... [2020-10-28 14:38:23,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@386c161c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 02:38:23, skipping insertion in model container [2020-10-28 14:38:23,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 02:38:23" (3/3) ... [2020-10-28 14:38:23,992 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-10-28 14:38:24,005 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 14:38:24,011 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 14:38:24,026 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 14:38:24,061 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 14:38:24,061 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 14:38:24,062 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 14:38:24,062 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 14:38:24,062 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 14:38:24,062 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 14:38:24,062 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 14:38:24,062 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 14:38:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-10-28 14:38:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-28 14:38:24,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:38:24,099 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] [2020-10-28 14:38:24,100 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:38:24,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:38:24,109 INFO L82 PathProgramCache]: Analyzing trace with hash -1371850267, now seen corresponding path program 1 times [2020-10-28 14:38:24,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:38:24,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [886864469] [2020-10-28 14:38:24,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:38:24,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:24,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:24,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:25,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:25,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-28 14:38:25,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:38:25,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1384 [2020-10-28 14:38:25,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:25,690 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:25,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:38:25,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 14:38:25,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-28 14:38:25,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 14:38:25,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:38:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:25,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:25,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:25,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:25,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:25,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 14:38:25,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:25,880 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:38:25,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:25,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 14:38:25,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:25,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 14:38:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:25,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:25,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:26,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:26,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-28 14:38:26,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 14:38:26,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 130 [2020-10-28 14:38:26,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:26,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:26,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:38:26,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 14:38:26,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-28 14:38:26,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:26,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:26,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:26,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:26,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:26,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:38:26,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:26,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 14:38:26,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:26,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:38:26,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:26,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 14:38:26,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:26,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:26,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:26,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:26,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:26,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:26,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:38:26,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:26,141 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:26,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:26,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:26,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 14:38:26,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [886864469] [2020-10-28 14:38:26,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:38:26,153 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 14:38:26,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61603206] [2020-10-28 14:38:26,159 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 14:38:26,159 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:38:26,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 14:38:26,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 14:38:26,176 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 8 states. [2020-10-28 14:38:26,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:38:26,803 INFO L93 Difference]: Finished difference Result 98 states and 108 transitions. [2020-10-28 14:38:26,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 14:38:26,805 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-28 14:38:26,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:38:26,814 INFO L225 Difference]: With dead ends: 98 [2020-10-28 14:38:26,815 INFO L226 Difference]: Without dead ends: 65 [2020-10-28 14:38:26,818 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-28 14:38:26,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-28 14:38:26,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-28 14:38:26,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-28 14:38:26,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2020-10-28 14:38:26,874 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 27 [2020-10-28 14:38:26,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:38:26,876 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2020-10-28 14:38:26,876 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 14:38:26,876 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2020-10-28 14:38:26,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-28 14:38:26,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:38:26,880 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:38:26,880 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 14:38:26,880 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:38:26,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:38:26,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1601513459, now seen corresponding path program 1 times [2020-10-28 14:38:26,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:38:26,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [570076939] [2020-10-28 14:38:26,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:38:26,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:26,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-28 14:38:27,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 328 [2020-10-28 14:38:27,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:38:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 51 [2020-10-28 14:38:27,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 14:38:27,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:27,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:38:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:27,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:38:27,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:27,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:27,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:27,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:27,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 14:38:27,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-28 14:38:27,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 184 [2020-10-28 14:38:27,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,536 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 14:38:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-28 14:38:27,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 14:38:27,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:27,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:27,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:38:27,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:38:27,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:27,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:27,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:27,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:38:27,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:27,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:27,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 14:38:27,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:38:27,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:38:27,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,626 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:27,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:27,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:27,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:27,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:27,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:38:27,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,636 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:27,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:27,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:27,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 14:38:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 14:38:27,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 14:38:27,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 14:38:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:27,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-28 14:38:27,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:27,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:38:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:38:27,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 14:38:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 14:38:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 14:38:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:27,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:38:27,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,797 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:38:27,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:38:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:27,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 14:38:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:27,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:27,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:27,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 14:38:27,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:27,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 14:38:27,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:27,820 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:27,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-28 14:38:27,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:27,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-28 14:38:27,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [570076939] [2020-10-28 14:38:27,833 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:38:27,833 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-28 14:38:27,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217189307] [2020-10-28 14:38:27,835 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 14:38:27,835 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:38:27,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 14:38:27,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-10-28 14:38:27,836 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand 13 states. [2020-10-28 14:38:28,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:38:28,276 INFO L93 Difference]: Finished difference Result 82 states and 84 transitions. [2020-10-28 14:38:28,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 14:38:28,276 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2020-10-28 14:38:28,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:38:28,278 INFO L225 Difference]: With dead ends: 82 [2020-10-28 14:38:28,278 INFO L226 Difference]: Without dead ends: 65 [2020-10-28 14:38:28,280 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-10-28 14:38:28,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-28 14:38:28,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-28 14:38:28,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-28 14:38:28,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2020-10-28 14:38:28,294 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 60 [2020-10-28 14:38:28,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:38:28,295 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2020-10-28 14:38:28,295 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 14:38:28,295 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2020-10-28 14:38:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-28 14:38:28,297 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 14:38:28,297 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 14:38:28,298 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 14:38:28,298 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 14:38:28,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 14:38:28,298 INFO L82 PathProgramCache]: Analyzing trace with hash 1403538729, now seen corresponding path program 1 times [2020-10-28 14:38:28,299 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 14:38:28,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481903307] [2020-10-28 14:38:28,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 14:38:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-28 14:38:28,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 131 [2020-10-28 14:38:28,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:38:28,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-28 14:38:28,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 14:38:28,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:38:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:28,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 14:38:28,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:28,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:28,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-28 14:38:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 14:38:28,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-28 14:38:28,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,686 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:38:28,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 14:38:28,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:38:28,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:38:28,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:28,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:28,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:28,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:28,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:38:28,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:28,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 14:38:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:38:28,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:38:28,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:28,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:28,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:38:28,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,757 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:28,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:28,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-28 14:38:28,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 14:38:28,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 14:38:28,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:28,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 14:38:28,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-28 14:38:28,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 14:38:28,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,783 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:28,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 14:38:28,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:28,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 14:38:28,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,791 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 14:38:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 14:38:28,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 14:38:28,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 14:38:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:28,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 14:38:28,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,801 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:38:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:38:28,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-28 14:38:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 14:38:28,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 14:38:28,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 14:38:28,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 14:38:28,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 14:38:28,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 14:38:28,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 14:38:28,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 14:38:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 14:38:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 14:38:28,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 14:38:28,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 14:38:28,824 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-28 14:38:28,825 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481903307] [2020-10-28 14:38:28,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 14:38:28,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 14:38:28,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373123318] [2020-10-28 14:38:28,826 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 14:38:28,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 14:38:28,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 14:38:28,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 14:38:28,827 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand 7 states. [2020-10-28 14:38:29,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 14:38:29,115 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2020-10-28 14:38:29,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 14:38:29,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-10-28 14:38:29,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 14:38:29,117 INFO L225 Difference]: With dead ends: 65 [2020-10-28 14:38:29,117 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 14:38:29,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-28 14:38:29,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 14:38:29,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 14:38:29,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 14:38:29,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 14:38:29,119 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-10-28 14:38:29,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 14:38:29,119 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 14:38:29,119 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 14:38:29,119 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 14:38:29,119 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 14:38:29,119 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 14:38:29,122 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 14:38:29,724 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 14:38:29,724 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 14:38:29,725 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 14:38:29,725 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 14:38:29,725 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2020-10-28 14:38:29,725 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 14:38:29,725 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 56 58) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:38:29,725 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 56 58) no Hoare annotation was computed. [2020-10-28 14:38:29,725 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:38:29,726 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 14:38:29,726 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:38:29,726 INFO L274 CegarLoopResult]: For program point L51-2(lines 50 53) no Hoare annotation was computed. [2020-10-28 14:38:29,726 INFO L274 CegarLoopResult]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2020-10-28 14:38:29,726 INFO L270 CegarLoopResult]: At program point kfreeENTRY(lines 50 53) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (<= 1 ~used_tmp_slot~0))) [2020-10-28 14:38:29,726 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-10-28 14:38:29,727 INFO L270 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc7.base| 0))) [2020-10-28 14:38:29,727 INFO L274 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-10-28 14:38:29,727 INFO L274 CegarLoopResult]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2020-10-28 14:38:29,728 INFO L270 CegarLoopResult]: At program point kzallocENTRY(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-28 14:38:29,728 INFO L274 CegarLoopResult]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2020-10-28 14:38:29,729 INFO L274 CegarLoopResult]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2020-10-28 14:38:29,729 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-28 14:38:29,729 INFO L274 CegarLoopResult]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2020-10-28 14:38:29,729 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2020-10-28 14:38:29,729 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2020-10-28 14:38:29,729 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 67 70) no Hoare annotation was computed. [2020-10-28 14:38:29,729 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2020-10-28 14:38:29,729 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2020-10-28 14:38:29,730 INFO L270 CegarLoopResult]: At program point L128(lines 72 133) the Hoare annotation is: (or (= ~freed_tmp_slot~0 1) (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-28 14:38:29,730 INFO L270 CegarLoopResult]: At program point L122(lines 72 133) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-28 14:38:29,730 INFO L270 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-28 14:38:29,730 INFO L274 CegarLoopResult]: For program point L87(lines 87 90) no Hoare annotation was computed. [2020-10-28 14:38:29,730 INFO L274 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-10-28 14:38:29,730 INFO L270 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-28 14:38:29,730 INFO L274 CegarLoopResult]: For program point L85-1(line 85) no Hoare annotation was computed. [2020-10-28 14:38:29,730 INFO L270 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-28 14:38:29,731 INFO L274 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-10-28 14:38:29,731 INFO L274 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-10-28 14:38:29,731 INFO L277 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: true [2020-10-28 14:38:29,731 INFO L274 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-10-28 14:38:29,731 INFO L270 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-28 14:38:29,731 INFO L274 CegarLoopResult]: For program point L127-1(line 127) no Hoare annotation was computed. [2020-10-28 14:38:29,732 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 72 133) the Hoare annotation is: (or (not (= |old(~freed_tmp_slot~0)| 1)) (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-28 14:38:29,732 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2020-10-28 14:38:29,732 INFO L274 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-10-28 14:38:29,732 INFO L274 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-10-28 14:38:29,733 INFO L270 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (or (not (= |old(~freed_tmp_slot~0)| 1)) (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-28 14:38:29,733 INFO L274 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-10-28 14:38:29,733 INFO L274 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-10-28 14:38:29,733 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:38:29,733 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~freed_tmp_slot~0 1) [2020-10-28 14:38:29,733 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 14:38:29,733 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:38:29,733 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 135 139) the Hoare annotation is: (or (not (= |old(~freed_tmp_slot~0)| 1)) (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-28 14:38:29,734 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2020-10-28 14:38:29,734 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 14:38:29,734 INFO L274 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-10-28 14:38:29,734 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-28 14:38:29,734 INFO L270 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: (not (= |old(~freed_tmp_slot~0)| 1)) [2020-10-28 14:38:29,734 INFO L274 CegarLoopResult]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2020-10-28 14:38:29,734 INFO L277 CegarLoopResult]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2020-10-28 14:38:29,734 INFO L274 CegarLoopResult]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2020-10-28 14:38:29,735 INFO L274 CegarLoopResult]: For program point fillslotinfoFINAL(lines 62 65) no Hoare annotation was computed. [2020-10-28 14:38:29,735 INFO L270 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-10-28 14:38:29,735 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-10-28 14:38:29,735 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-10-28 14:38:29,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 02:38:29 BoogieIcfgContainer [2020-10-28 14:38:29,760 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 14:38:29,763 INFO L168 Benchmark]: Toolchain (without parser) took 6689.84 ms. Allocated memory was 151.0 MB in the beginning and 232.8 MB in the end (delta: 81.8 MB). Free memory was 125.5 MB in the beginning and 112.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 128.6 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:29,764 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.3 MB in the end (delta: 430.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 14:38:29,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.05 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 114.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:29,768 INFO L168 Benchmark]: Boogie Preprocessor took 49.75 ms. Allocated memory is still 151.0 MB. Free memory was 114.3 MB in the beginning and 112.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:29,774 INFO L168 Benchmark]: RCFGBuilder took 539.66 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 89.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:29,775 INFO L168 Benchmark]: TraceAbstraction took 5776.17 ms. Allocated memory was 151.0 MB in the beginning and 232.8 MB in the end (delta: 81.8 MB). Free memory was 88.8 MB in the beginning and 112.9 MB in the end (delta: -24.1 MB). Peak memory consumption was 91.9 MB. Max. memory is 8.0 GB. [2020-10-28 14:38:29,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 151.0 MB. Free memory was 124.8 MB in the beginning and 124.3 MB in the end (delta: 430.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 309.05 ms. Allocated memory is still 151.0 MB. Free memory was 125.2 MB in the beginning and 114.3 MB in the end (delta: 10.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 49.75 ms. Allocated memory is still 151.0 MB. Free memory was 114.3 MB in the beginning and 112.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 539.66 ms. Allocated memory is still 151.0 MB. Free memory was 112.6 MB in the beginning and 89.2 MB in the end (delta: 23.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5776.17 ms. Allocated memory was 151.0 MB in the beginning and 232.8 MB in the end (delta: 81.8 MB). Free memory was 88.8 MB in the beginning and 112.9 MB in the end (delta: -24.1 MB). Peak memory consumption was 91.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (freed_tmp_slot == 1 || 1 <= used_tmp_slot) || !(\old(freed_tmp_slot) == 1) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: 1 <= used_tmp_slot || !(\old(freed_tmp_slot) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 3, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 155 SDtfs, 153 SDslu, 410 SDs, 0 SdLazy, 441 SolverSat, 159 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 85 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred in iteration=0, 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 33 PreInvPairs, 38 NumberOfFragments, 245 HoareAnnotationTreeSize, 33 FomulaSimplifications, 7 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 23 FomulaSimplificationsInter, 548 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 27395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 48/48 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...