/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=DEEPEST --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.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 19:54:32,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 19:54:32,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 19:54:32,406 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 19:54:32,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 19:54:32,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 19:54:32,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 19:54:32,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 19:54:32,415 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 19:54:32,416 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 19:54:32,417 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 19:54:32,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 19:54:32,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 19:54:32,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 19:54:32,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 19:54:32,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 19:54:32,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 19:54:32,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 19:54:32,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 19:54:32,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 19:54:32,451 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 19:54:32,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 19:54:32,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 19:54:32,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 19:54:32,461 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 19:54:32,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 19:54:32,466 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 19:54:32,468 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 19:54:32,469 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 19:54:32,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 19:54:32,470 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 19:54:32,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 19:54:32,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 19:54:32,473 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 19:54:32,474 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 19:54:32,475 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 19:54:32,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 19:54:32,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 19:54:32,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 19:54:32,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 19:54:32,479 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 19:54:32,480 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 [2020-10-27 19:54:32,537 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 19:54:32,538 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 19:54:32,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 19:54:32,543 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 19:54:32,543 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 19:54:32,544 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 19:54:32,544 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 19:54:32,544 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 19:54:32,544 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 19:54:32,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 19:54:32,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 19:54:32,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 19:54:32,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 19:54:32,546 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 19:54:32,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 19:54:32,547 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 19:54:32,547 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 19:54:32,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 19:54:32,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 19:54:32,548 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 19:54:32,548 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 19:54:32,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 19:54:32,548 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 19:54:32,549 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 19:54:32,549 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 19:54:32,549 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 19:54:32,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 19:54:32,549 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 19:54:32,549 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 19:54:32,550 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 19:54:32,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 19:54:32,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 19:54:32,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 19:54:32,970 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 19:54:32,971 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 19:54:32,973 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-27 19:54:33,063 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8755d0a80/87089eb4b38646c581d4f76c87106a44/FLAG016247db5 [2020-10-27 19:54:33,782 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 19:54:33,782 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-27 19:54:33,792 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8755d0a80/87089eb4b38646c581d4f76c87106a44/FLAG016247db5 [2020-10-27 19:54:34,141 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8755d0a80/87089eb4b38646c581d4f76c87106a44 [2020-10-27 19:54:34,145 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 19:54:34,152 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 19:54:34,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 19:54:34,154 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 19:54:34,158 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 19:54:34,159 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:54:34" (1/1) ... [2020-10-27 19:54:34,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bf4d24d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34, skipping insertion in model container [2020-10-27 19:54:34,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 07:54:34" (1/1) ... [2020-10-27 19:54:34,171 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 19:54:34,192 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 19:54:34,375 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:54:34,392 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 19:54:34,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 19:54:34,441 INFO L208 MainTranslator]: Completed translation [2020-10-27 19:54:34,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34 WrapperNode [2020-10-27 19:54:34,442 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 19:54:34,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 19:54:34,443 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 19:54:34,443 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 19:54:34,457 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34" (1/1) ... [2020-10-27 19:54:34,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34" (1/1) ... [2020-10-27 19:54:34,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34" (1/1) ... [2020-10-27 19:54:34,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34" (1/1) ... [2020-10-27 19:54:34,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34" (1/1) ... [2020-10-27 19:54:34,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34" (1/1) ... [2020-10-27 19:54:34,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34" (1/1) ... [2020-10-27 19:54:34,490 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 19:54:34,491 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 19:54:34,491 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 19:54:34,491 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 19:54:34,492 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34" (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 [2020-10-27 19:54:34,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 19:54:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 19:54:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 19:54:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-27 19:54:34,568 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 19:54:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 19:54:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-27 19:54:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-27 19:54:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-27 19:54:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-27 19:54:34,569 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 19:54:34,570 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 19:54:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 19:54:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 19:54:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 19:54:34,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 19:54:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-27 19:54:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 19:54:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 19:54:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 19:54:34,571 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 19:54:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 19:54:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-27 19:54:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 19:54:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-27 19:54:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-27 19:54:34,572 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-27 19:54:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 19:54:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 19:54:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 19:54:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 19:54:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 19:54:34,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 19:54:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 19:54:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 19:54:34,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 19:54:35,077 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 19:54:35,078 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 19:54:35,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:54:35 BoogieIcfgContainer [2020-10-27 19:54:35,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 19:54:35,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 19:54:35,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 19:54:35,089 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 19:54:35,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 07:54:34" (1/3) ... [2020-10-27 19:54:35,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d52b647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:54:35, skipping insertion in model container [2020-10-27 19:54:35,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 07:54:34" (2/3) ... [2020-10-27 19:54:35,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d52b647 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 07:54:35, skipping insertion in model container [2020-10-27 19:54:35,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 07:54:35" (3/3) ... [2020-10-27 19:54:35,093 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-10-27 19:54:35,107 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 19:54:35,114 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 19:54:35,129 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 19:54:35,173 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 19:54:35,173 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 19:54:35,173 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 19:54:35,173 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 19:54:35,174 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 19:54:35,174 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 19:54:35,174 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 19:54:35,174 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 19:54:35,198 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2020-10-27 19:54:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 19:54:35,209 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:54:35,211 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] [2020-10-27 19:54:35,211 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:54:35,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:54:35,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1697953369, now seen corresponding path program 1 times [2020-10-27 19:54:35,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:54:35,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1844358185] [2020-10-27 19:54:35,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:54:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:35,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:35,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:36,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:36,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 19:54:36,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:54:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1282 [2020-10-27 19:54:36,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:54:36,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 19:54:36,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:54:36,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 9 [2020-10-27 19:54:36,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:36,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:36,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:36,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:36,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 19:54:36,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:36,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:54:36,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:54:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:36,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:37,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:37,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 19:54:37,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:37,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 19:54:37,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:37,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:54:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 19:54:37,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:54:37,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:37,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:37,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:37,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:37,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:54:37,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:37,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 19:54:37,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:54:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:37,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:54:37,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:37,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:37,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:37,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:37,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:37,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:54:37,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:54:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:54:37,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:37,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 19:54:37,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1844358185] [2020-10-27 19:54:37,246 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:54:37,246 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 19:54:37,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768491877] [2020-10-27 19:54:37,252 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 19:54:37,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:54:37,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 19:54:37,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 19:54:37,270 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 10 states. [2020-10-27 19:54:37,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:54:37,784 INFO L93 Difference]: Finished difference Result 84 states and 98 transitions. [2020-10-27 19:54:37,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 19:54:37,786 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2020-10-27 19:54:37,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:54:37,796 INFO L225 Difference]: With dead ends: 84 [2020-10-27 19:54:37,797 INFO L226 Difference]: Without dead ends: 61 [2020-10-27 19:54:37,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-10-27 19:54:37,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-27 19:54:37,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2020-10-27 19:54:37,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 19:54:37,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2020-10-27 19:54:37,857 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 66 transitions. Word has length 27 [2020-10-27 19:54:37,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:54:37,857 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 66 transitions. [2020-10-27 19:54:37,857 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 19:54:37,857 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 66 transitions. [2020-10-27 19:54:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-27 19:54:37,859 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:54:37,860 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 19:54:37,860 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 19:54:37,860 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:54:37,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:54:37,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1736469537, now seen corresponding path program 1 times [2020-10-27 19:54:37,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:54:37,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [248053125] [2020-10-27 19:54:37,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:54:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:37,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:37,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:38,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:38,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-27 19:54:38,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:54:38,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 831 [2020-10-27 19:54:38,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:54:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 33 [2020-10-27 19:54:38,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:54:38,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:38,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:38,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:38,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:38,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:38,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:54:38,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:38,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:38,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:38,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:54:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:38,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:38,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:38,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 19:54:38,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:38,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-27 19:54:38,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 19:54:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 19:54:38,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 19:54:38,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:38,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:38,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:38,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:38,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:54:38,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:38,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:54:38,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:38,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:38,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:38,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:38,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:38,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:38,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:38,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:38,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:38,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:54:38,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:38,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:38,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:38,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:38,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:54:38,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:38,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:38,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:38,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:54:38,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:38,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 19:54:38,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:38,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:54:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:38,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:54:38,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:38,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:38,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:38,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:38,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:38,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:38,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:38,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:54:38,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:54:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:39,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:54:39,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:39,031 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 19:54:39,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [248053125] [2020-10-27 19:54:39,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:54:39,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-27 19:54:39,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802954773] [2020-10-27 19:54:39,034 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 19:54:39,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:54:39,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 19:54:39,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-27 19:54:39,036 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. Second operand 10 states. [2020-10-27 19:54:39,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:54:39,676 INFO L93 Difference]: Finished difference Result 79 states and 85 transitions. [2020-10-27 19:54:39,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 19:54:39,677 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-10-27 19:54:39,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:54:39,679 INFO L225 Difference]: With dead ends: 79 [2020-10-27 19:54:39,679 INFO L226 Difference]: Without dead ends: 69 [2020-10-27 19:54:39,681 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-10-27 19:54:39,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-27 19:54:39,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 67. [2020-10-27 19:54:39,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2020-10-27 19:54:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 72 transitions. [2020-10-27 19:54:39,698 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 72 transitions. Word has length 38 [2020-10-27 19:54:39,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:54:39,698 INFO L481 AbstractCegarLoop]: Abstraction has 67 states and 72 transitions. [2020-10-27 19:54:39,698 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 19:54:39,698 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2020-10-27 19:54:39,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 19:54:39,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:54:39,701 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] [2020-10-27 19:54:39,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 19:54:39,701 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:54:39,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:54:39,702 INFO L82 PathProgramCache]: Analyzing trace with hash -1899918933, now seen corresponding path program 1 times [2020-10-27 19:54:39,702 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:54:39,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1934474339] [2020-10-27 19:54:39,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:54:39,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:39,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:39,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:39,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 19:54:39,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:39,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-27 19:54:39,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:39,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:54:39,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 19:54:39,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 19:54:39,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:39,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:39,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:39,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:39,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:39,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:39,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:39,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:54:39,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:39,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:39,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:39,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:39,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:39,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:54:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 19:54:40,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-27 19:54:40,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:54:40,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 19:54:40,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:54:40,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:54:40,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:40,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:40,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:54:40,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:40,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:54:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:54:40,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:54:40,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:40,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:40,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:40,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:54:40,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:40,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:54:40,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 19:54:40,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 19:54:40,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:40,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:54:40,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:54:40,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:40,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:40,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 19:54:40,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:40,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 19:54:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:40,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:54:40,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:54:40,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:54:40,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 19:54:40,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:40,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:54:40,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:54:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:54:40,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:40,209 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 19:54:40,210 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1934474339] [2020-10-27 19:54:40,210 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:54:40,210 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 19:54:40,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893569560] [2020-10-27 19:54:40,211 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 19:54:40,211 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:54:40,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 19:54:40,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 19:54:40,212 INFO L87 Difference]: Start difference. First operand 67 states and 72 transitions. Second operand 7 states. [2020-10-27 19:54:40,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:54:40,604 INFO L93 Difference]: Finished difference Result 88 states and 94 transitions. [2020-10-27 19:54:40,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 19:54:40,605 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-10-27 19:54:40,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:54:40,608 INFO L225 Difference]: With dead ends: 88 [2020-10-27 19:54:40,608 INFO L226 Difference]: Without dead ends: 57 [2020-10-27 19:54:40,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-10-27 19:54:40,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-10-27 19:54:40,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2020-10-27 19:54:40,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-27 19:54:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2020-10-27 19:54:40,632 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 64 [2020-10-27 19:54:40,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:54:40,632 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2020-10-27 19:54:40,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 19:54:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2020-10-27 19:54:40,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-27 19:54:40,640 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 19:54:40,640 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2020-10-27 19:54:40,641 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 19:54:40,641 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 19:54:40,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 19:54:40,642 INFO L82 PathProgramCache]: Analyzing trace with hash -1628472646, now seen corresponding path program 1 times [2020-10-27 19:54:40,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 19:54:40,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006672566] [2020-10-27 19:54:40,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 19:54:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:40,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:40,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 19:54:41,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:54:41,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 365 [2020-10-27 19:54:41,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:54:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-27 19:54:41,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 19:54:41,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:41,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 19:54:41,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 19:54:41,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-27 19:54:41,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 19:54:41,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 340 [2020-10-27 19:54:41,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 19:54:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 39 [2020-10-27 19:54:41,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 19:54:41,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:54:41,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 19:54:41,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:41,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:41,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:54:41,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 19:54:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 19:54:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:54:41,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 19:54:41,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:41,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:41,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:41,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:54:41,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 19:54:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 19:54:41,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-27 19:54:41,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 19:54:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:41,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 19:54:41,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 19:54:41,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 19:54:41,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 19:54:41,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 19:54:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:41,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 19:54:41,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 19:54:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 19:54:41,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 19:54:41,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 19:54:41,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 19:54:41,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 19:54:41,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 19:54:41,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:54:41,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:54:41,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:41,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 19:54:41,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:41,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 19:54:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 19:54:41,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 19:54:41,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 19:54:41,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 19:54:41,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 19:54:41,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 19:54:41,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 19:54:41,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 19:54:41,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-27 19:54:41,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 19:54:41,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 19:54:41,790 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-10-27 19:54:41,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006672566] [2020-10-27 19:54:41,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 19:54:41,791 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-27 19:54:41,791 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143104139] [2020-10-27 19:54:41,792 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 19:54:41,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 19:54:41,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 19:54:41,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-27 19:54:41,793 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand 14 states. [2020-10-27 19:54:42,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 19:54:42,336 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2020-10-27 19:54:42,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-27 19:54:42,337 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 66 [2020-10-27 19:54:42,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 19:54:42,337 INFO L225 Difference]: With dead ends: 55 [2020-10-27 19:54:42,338 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 19:54:42,339 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=587, Unknown=0, NotChecked=0, Total=702 [2020-10-27 19:54:42,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 19:54:42,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 19:54:42,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 19:54:42,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 19:54:42,340 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-10-27 19:54:42,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 19:54:42,340 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 19:54:42,340 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 19:54:42,340 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 19:54:42,340 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 19:54:42,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 19:54:42,343 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 19:54:42,968 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 20 [2020-10-27 19:54:43,184 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 19:54:43,185 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 19:54:43,185 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 19:54:43,185 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 19:54:43,185 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2020-10-27 19:54:43,185 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 19:54:43,186 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 56 58) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-10-27 19:54:43,186 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 56 58) no Hoare annotation was computed. [2020-10-27 19:54:43,186 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 19:54:43,186 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)|)) [2020-10-27 19:54:43,187 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 19:54:43,187 INFO L274 CegarLoopResult]: For program point L51-2(lines 50 53) no Hoare annotation was computed. [2020-10-27 19:54:43,188 INFO L274 CegarLoopResult]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2020-10-27 19:54:43,188 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)) (= ~tmp_slot~0.base 0)) [2020-10-27 19:54:43,188 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-10-27 19:54:43,188 INFO L270 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (let ((.cse0 (and (= |#memory_int| |old(#memory_int)|) (not (= |kzalloc_#t~malloc7.base| 0))))) (and (or (not (<= 1 ~freed_tmp_slot~0)) .cse0) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-10-27 19:54:43,188 INFO L274 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-10-27 19:54:43,189 INFO L274 CegarLoopResult]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2020-10-27 19:54:43,189 INFO L270 CegarLoopResult]: At program point kzallocENTRY(line 48) the Hoare annotation is: (let ((.cse0 (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)))) (and (or (not (<= 1 ~freed_tmp_slot~0)) .cse0) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-10-27 19:54:43,189 INFO L274 CegarLoopResult]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2020-10-27 19:54:43,189 INFO L274 CegarLoopResult]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2020-10-27 19:54:43,189 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-27 19:54:43,189 INFO L274 CegarLoopResult]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2020-10-27 19:54:43,189 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2020-10-27 19:54:43,190 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2020-10-27 19:54:43,190 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 67 70) no Hoare annotation was computed. [2020-10-27 19:54:43,190 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2020-10-27 19:54:43,190 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2020-10-27 19:54:43,190 INFO L270 CegarLoopResult]: At program point L128(lines 72 133) the Hoare annotation is: (or (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-27 19:54:43,190 INFO L270 CegarLoopResult]: At program point L122(lines 72 133) the Hoare annotation is: (or (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-27 19:54:43,191 INFO L270 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (or (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-27 19:54:43,191 INFO L274 CegarLoopResult]: For program point L87(lines 87 90) no Hoare annotation was computed. [2020-10-27 19:54:43,191 INFO L274 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-10-27 19:54:43,191 INFO L270 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (or (and (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-27 19:54:43,191 INFO L274 CegarLoopResult]: For program point L85-1(line 85) no Hoare annotation was computed. [2020-10-27 19:54:43,191 INFO L270 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: (or (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-27 19:54:43,192 INFO L274 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-10-27 19:54:43,192 INFO L274 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-10-27 19:54:43,192 INFO L270 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (or (not (<= 1 |old(~freed_tmp_slot~0)|)) (and (not (= ~tmp_slot~0.base 0)) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base)))) [2020-10-27 19:54:43,192 INFO L274 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-10-27 19:54:43,192 INFO L270 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (not (= ~tmp_slot~0.base 0)) (<= 1 ~used_tmp_slot~0) (or (<= (+ ebda_rsrc_controller_~hp_slot_ptr~0.base 1) 0) (<= 1 ebda_rsrc_controller_~hp_slot_ptr~0.base))) (not (<= 1 |old(~freed_tmp_slot~0)|))) [2020-10-27 19:54:43,193 INFO L274 CegarLoopResult]: For program point L127-1(line 127) no Hoare annotation was computed. [2020-10-27 19:54:43,194 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 72 133) the Hoare annotation is: (or (not (<= 1 |old(~freed_tmp_slot~0)|)) (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|))) [2020-10-27 19:54:43,194 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2020-10-27 19:54:43,194 INFO L274 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-10-27 19:54:43,194 INFO L274 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-10-27 19:54:43,194 INFO L270 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (or (not (<= 1 |old(~freed_tmp_slot~0)|)) (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|))) [2020-10-27 19:54:43,194 INFO L274 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-10-27 19:54:43,195 INFO L270 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: (not (<= 1 |old(~freed_tmp_slot~0)|)) [2020-10-27 19:54:43,195 INFO L274 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-10-27 19:54:43,195 INFO L274 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-10-27 19:54:43,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 19:54:43,195 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (<= 1 ~freed_tmp_slot~0) [2020-10-27 19:54:43,195 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 19:54:43,195 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 19:54:43,196 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 135 139) the Hoare annotation is: (or (not (<= 1 |old(~freed_tmp_slot~0)|)) (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|))) [2020-10-27 19:54:43,196 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2020-10-27 19:54:43,196 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 19:54:43,196 INFO L274 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-10-27 19:54:43,196 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-27 19:54:43,196 INFO L270 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: (not (<= 1 |old(~freed_tmp_slot~0)|)) [2020-10-27 19:54:43,197 INFO L274 CegarLoopResult]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2020-10-27 19:54:43,197 INFO L277 CegarLoopResult]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2020-10-27 19:54:43,197 INFO L274 CegarLoopResult]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2020-10-27 19:54:43,197 INFO L274 CegarLoopResult]: For program point fillslotinfoFINAL(lines 62 65) no Hoare annotation was computed. [2020-10-27 19:54:43,197 INFO L270 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (let ((.cse0 (= |#memory_int| |old(#memory_int)|))) (and (or (not (<= 1 ~freed_tmp_slot~0)) .cse0) (or .cse0 (= ~tmp_slot~0.base 0)))) [2020-10-27 19:54:43,197 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-10-27 19:54:43,197 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-10-27 19:54:43,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 07:54:43 BoogieIcfgContainer [2020-10-27 19:54:43,227 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 19:54:43,230 INFO L168 Benchmark]: Toolchain (without parser) took 9081.62 ms. Allocated memory was 153.1 MB in the beginning and 280.0 MB in the end (delta: 126.9 MB). Free memory was 127.7 MB in the beginning and 216.3 MB in the end (delta: -88.6 MB). Peak memory consumption was 129.4 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:43,232 INFO L168 Benchmark]: CDTParser took 0.66 ms. Allocated memory is still 153.1 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 19:54:43,234 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.32 ms. Allocated memory is still 153.1 MB. Free memory was 127.1 MB in the beginning and 116.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:43,240 INFO L168 Benchmark]: Boogie Preprocessor took 47.08 ms. Allocated memory is still 153.1 MB. Free memory was 116.6 MB in the beginning and 114.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:43,241 INFO L168 Benchmark]: RCFGBuilder took 589.32 ms. Allocated memory is still 153.1 MB. Free memory was 114.7 MB in the beginning and 129.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:43,242 INFO L168 Benchmark]: TraceAbstraction took 8142.33 ms. Allocated memory was 153.1 MB in the beginning and 280.0 MB in the end (delta: 126.9 MB). Free memory was 128.6 MB in the beginning and 216.3 MB in the end (delta: -87.6 MB). Peak memory consumption was 129.4 MB. Max. memory is 8.0 GB. [2020-10-27 19:54:43,254 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66 ms. Allocated memory is still 153.1 MB. Free memory is still 124.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 288.32 ms. Allocated memory is still 153.1 MB. Free memory was 127.1 MB in the beginning and 116.6 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 47.08 ms. Allocated memory is still 153.1 MB. Free memory was 116.6 MB in the beginning and 114.7 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 589.32 ms. Allocated memory is still 153.1 MB. Free memory was 114.7 MB in the beginning and 129.2 MB in the end (delta: -14.4 MB). Peak memory consumption was 20.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8142.33 ms. Allocated memory was 153.1 MB in the beginning and 280.0 MB in the end (delta: 126.9 MB). Free memory was 128.6 MB in the beginning and 216.3 MB in the end (delta: -87.6 MB). Peak memory consumption was 129.4 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: ((!(tmp_slot == 0) && 1 <= used_tmp_slot) && (hp_slot_ptr + 1 <= 0 || 1 <= hp_slot_ptr)) || !(1 <= \old(freed_tmp_slot)) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((!(tmp_slot == 0) && 1 <= used_tmp_slot) && (hp_slot_ptr + 1 <= 0 || 1 <= hp_slot_ptr)) || !(1 <= \old(freed_tmp_slot)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.1s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 207 SDtfs, 184 SDslu, 619 SDs, 0 SdLazy, 713 SolverSat, 179 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 121 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 37 PreInvPairs, 40 NumberOfFragments, 402 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 536 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 195 NumberOfCodeBlocks, 195 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 191 ConstructedInterpolants, 0 QuantifiedInterpolants, 35083 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 60/60 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...