/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/eca-rers2012/Problem10_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 17:26:20,124 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 17:26:20,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 17:26:20,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 17:26:20,191 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 17:26:20,200 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 17:26:20,203 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 17:26:20,208 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 17:26:20,212 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 17:26:20,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 17:26:20,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 17:26:20,223 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 17:26:20,224 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 17:26:20,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 17:26:20,230 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 17:26:20,232 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 17:26:20,233 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 17:26:20,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 17:26:20,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 17:26:20,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 17:26:20,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 17:26:20,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 17:26:20,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 17:26:20,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 17:26:20,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 17:26:20,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 17:26:20,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 17:26:20,281 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 17:26:20,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 17:26:20,286 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 17:26:20,286 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 17:26:20,287 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 17:26:20,288 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 17:26:20,289 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 17:26:20,291 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 17:26:20,292 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 17:26:20,293 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 17:26:20,293 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 17:26:20,293 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 17:26:20,294 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 17:26:20,295 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 17:26:20,297 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 17:26:20,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 17:26:20,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 17:26:20,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 17:26:20,360 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 17:26:20,360 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 17:26:20,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 17:26:20,361 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 17:26:20,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 17:26:20,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 17:26:20,361 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 17:26:20,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 17:26:20,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 17:26:20,363 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 17:26:20,363 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 17:26:20,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 17:26:20,364 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 17:26:20,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 17:26:20,364 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 17:26:20,365 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 17:26:20,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 17:26:20,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 17:26:20,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 17:26:20,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 17:26:20,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 17:26:20,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 17:26:20,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 17:26:20,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 17:26:20,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 17:26:20,367 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 17:26:20,367 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 17:26:20,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 17:26:20,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 17:26:20,822 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 17:26:20,824 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 17:26:20,825 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 17:26:20,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-10-27 17:26:20,917 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c03b72dc5/b7f5e6cba9cb4a31b4a669358daf46f5/FLAG98173c68b [2020-10-27 17:26:21,786 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 17:26:21,787 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-10-27 17:26:21,801 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c03b72dc5/b7f5e6cba9cb4a31b4a669358daf46f5/FLAG98173c68b [2020-10-27 17:26:22,061 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c03b72dc5/b7f5e6cba9cb4a31b4a669358daf46f5 [2020-10-27 17:26:22,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 17:26:22,075 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 17:26:22,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 17:26:22,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 17:26:22,085 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 17:26:22,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:26:22" (1/1) ... [2020-10-27 17:26:22,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad199fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22, skipping insertion in model container [2020-10-27 17:26:22,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:26:22" (1/1) ... [2020-10-27 17:26:22,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 17:26:22,183 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 17:26:22,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:26:22,719 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 17:26:22,905 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 17:26:22,942 INFO L208 MainTranslator]: Completed translation [2020-10-27 17:26:22,945 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22 WrapperNode [2020-10-27 17:26:22,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 17:26:22,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 17:26:22,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 17:26:22,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 17:26:22,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22" (1/1) ... [2020-10-27 17:26:22,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22" (1/1) ... [2020-10-27 17:26:23,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22" (1/1) ... [2020-10-27 17:26:23,010 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22" (1/1) ... [2020-10-27 17:26:23,073 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22" (1/1) ... [2020-10-27 17:26:23,095 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22" (1/1) ... [2020-10-27 17:26:23,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22" (1/1) ... [2020-10-27 17:26:23,140 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 17:26:23,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 17:26:23,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 17:26:23,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 17:26:23,144 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22" (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 17:26:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 17:26:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 17:26:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 17:26:23,238 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 17:26:23,239 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 17:26:23,239 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 17:26:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 17:26:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 17:26:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 17:26:23,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 17:26:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 17:26:23,241 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 17:26:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 17:26:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 17:26:23,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 17:26:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 17:26:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 17:26:23,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 17:26:23,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 17:26:24,789 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 17:26:24,789 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 17:26:24,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:26:24 BoogieIcfgContainer [2020-10-27 17:26:24,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 17:26:24,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 17:26:24,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 17:26:24,798 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 17:26:24,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:26:22" (1/3) ... [2020-10-27 17:26:24,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4b99dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:26:24, skipping insertion in model container [2020-10-27 17:26:24,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:26:22" (2/3) ... [2020-10-27 17:26:24,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4b99dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:26:24, skipping insertion in model container [2020-10-27 17:26:24,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:26:24" (3/3) ... [2020-10-27 17:26:24,801 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label10.c [2020-10-27 17:26:24,814 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 17:26:24,819 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 17:26:24,833 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 17:26:24,862 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 17:26:24,863 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 17:26:24,863 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 17:26:24,863 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 17:26:24,863 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 17:26:24,864 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 17:26:24,864 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 17:26:24,864 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 17:26:24,887 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-27 17:26:24,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-27 17:26:24,896 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:26:24,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:26:24,898 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:26:24,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:26:24,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1788982010, now seen corresponding path program 1 times [2020-10-27 17:26:24,915 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:26:24,915 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1176705091] [2020-10-27 17:26:24,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:26:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:25,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:25,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:25,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-27 17:26:25,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:25,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 670 [2020-10-27 17:26:25,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 17:26:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 17:26:25,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-27 17:26:25,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-27 17:26:26,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:26:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:26,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:26,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:26,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:26:26,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:26,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 17:26:26,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:26,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:26:26,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:26,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 17:26:26,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:26:26,166 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 17:26:26,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1176705091] [2020-10-27 17:26:26,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 17:26:26,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 17:26:26,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783786429] [2020-10-27 17:26:26,180 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 17:26:26,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:26:26,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 17:26:26,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 17:26:26,203 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-27 17:26:28,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:26:28,187 INFO L93 Difference]: Finished difference Result 601 states and 1027 transitions. [2020-10-27 17:26:28,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:26:28,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-27 17:26:28,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:26:28,211 INFO L225 Difference]: With dead ends: 601 [2020-10-27 17:26:28,211 INFO L226 Difference]: Without dead ends: 303 [2020-10-27 17:26:28,223 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:26:28,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-27 17:26:28,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-27 17:26:28,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-27 17:26:28,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 431 transitions. [2020-10-27 17:26:28,382 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 431 transitions. Word has length 55 [2020-10-27 17:26:28,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:26:28,385 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 431 transitions. [2020-10-27 17:26:28,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 17:26:28,386 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions. [2020-10-27 17:26:28,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-27 17:26:28,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:26:28,402 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:26:28,402 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 17:26:28,403 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:26:28,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:26:28,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1207663617, now seen corresponding path program 1 times [2020-10-27 17:26:28,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:26:28,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1485514345] [2020-10-27 17:26:28,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:26:28,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:28,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:28,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:29,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:29,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:29,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-27 17:26:29,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:26:29,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1302 [2020-10-27 17:26:29,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:29,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:26:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 84 [2020-10-27 17:26:29,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 17:26:29,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:26:29,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:26:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:29,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:29,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:29,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:26:29,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:29,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-27 17:26:29,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:29,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:26:29,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:29,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:26:29,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:29,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:26:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:30,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:30,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:30,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 17:26:30,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:30,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 17:26:30,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:26:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:30,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 17:26:30,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 17:26:30,131 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:26:30,131 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1485514345] [2020-10-27 17:26:30,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:26:30,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:26:30,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1679080198] [2020-10-27 17:26:30,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:26:30,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:26:30,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:26:30,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:26:30,136 INFO L87 Difference]: Start difference. First operand 299 states and 431 transitions. Second operand 5 states. [2020-10-27 17:26:31,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:26:31,593 INFO L93 Difference]: Finished difference Result 886 states and 1305 transitions. [2020-10-27 17:26:31,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:26:31,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2020-10-27 17:26:31,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:26:31,611 INFO L225 Difference]: With dead ends: 886 [2020-10-27 17:26:31,611 INFO L226 Difference]: Without dead ends: 593 [2020-10-27 17:26:31,614 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:26:31,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-27 17:26:31,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-27 17:26:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-27 17:26:31,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 771 transitions. [2020-10-27 17:26:31,695 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 771 transitions. Word has length 129 [2020-10-27 17:26:31,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:26:31,696 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 771 transitions. [2020-10-27 17:26:31,696 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:26:31,696 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 771 transitions. [2020-10-27 17:26:31,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 17:26:31,699 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:26:31,699 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:26:31,700 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 17:26:31,700 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:26:31,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:26:31,701 INFO L82 PathProgramCache]: Analyzing trace with hash -1772927595, now seen corresponding path program 1 times [2020-10-27 17:26:31,701 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:26:31,701 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660217411] [2020-10-27 17:26:31,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:26:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:31,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:31,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:32,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:32,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-27 17:26:32,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:26:32,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 690 [2020-10-27 17:26:32,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:26:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-27 17:26:32,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-27 17:26:32,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:26:32,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:32,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:32,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:32,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:26:32,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:32,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 17:26:32,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:26:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:32,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:26:32,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:32,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:26:32,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:32,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:32,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:32,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-27 17:26:32,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:32,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 92 [2020-10-27 17:26:32,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:32,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:26:32,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:32,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-27 17:26:32,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:32,812 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:26:32,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660217411] [2020-10-27 17:26:32,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:26:32,813 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:26:32,813 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095475714] [2020-10-27 17:26:32,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:26:32,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:26:32,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:26:32,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:26:32,818 INFO L87 Difference]: Start difference. First operand 589 states and 771 transitions. Second operand 5 states. [2020-10-27 17:26:33,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:26:33,991 INFO L93 Difference]: Finished difference Result 1199 states and 1577 transitions. [2020-10-27 17:26:33,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:26:33,992 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2020-10-27 17:26:33,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:26:33,997 INFO L225 Difference]: With dead ends: 1199 [2020-10-27 17:26:33,997 INFO L226 Difference]: Without dead ends: 593 [2020-10-27 17:26:34,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:26:34,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-27 17:26:34,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 589. [2020-10-27 17:26:34,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 589 states. [2020-10-27 17:26:34,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 589 states and 767 transitions. [2020-10-27 17:26:34,053 INFO L78 Accepts]: Start accepts. Automaton has 589 states and 767 transitions. Word has length 134 [2020-10-27 17:26:34,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:26:34,054 INFO L481 AbstractCegarLoop]: Abstraction has 589 states and 767 transitions. [2020-10-27 17:26:34,054 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:26:34,054 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 767 transitions. [2020-10-27 17:26:34,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-27 17:26:34,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:26:34,062 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:26:34,062 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 17:26:34,062 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:26:34,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:26:34,063 INFO L82 PathProgramCache]: Analyzing trace with hash -965366859, now seen corresponding path program 1 times [2020-10-27 17:26:34,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:26:34,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [220417260] [2020-10-27 17:26:34,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:26:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:34,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:34,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:34,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:34,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-27 17:26:34,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:26:34,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 767 [2020-10-27 17:26:34,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:26:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 105 [2020-10-27 17:26:34,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 17:26:34,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 8 [2020-10-27 17:26:34,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:26:34,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:34,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:35,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:35,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:26:35,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:35,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-27 17:26:35,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:26:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:35,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:26:35,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:35,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:26:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:35,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:35,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:35,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-27 17:26:35,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:35,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 89 [2020-10-27 17:26:35,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:26:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:35,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-27 17:26:35,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:35,198 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:26:35,198 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [220417260] [2020-10-27 17:26:35,198 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:26:35,199 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:26:35,199 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402758852] [2020-10-27 17:26:35,200 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:26:35,200 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:26:35,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:26:35,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:26:35,201 INFO L87 Difference]: Start difference. First operand 589 states and 767 transitions. Second operand 5 states. [2020-10-27 17:26:36,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:26:36,700 INFO L93 Difference]: Finished difference Result 1466 states and 1982 transitions. [2020-10-27 17:26:36,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:26:36,700 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2020-10-27 17:26:36,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:26:36,708 INFO L225 Difference]: With dead ends: 1466 [2020-10-27 17:26:36,709 INFO L226 Difference]: Without dead ends: 883 [2020-10-27 17:26:36,711 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:26:36,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2020-10-27 17:26:36,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 879. [2020-10-27 17:26:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 879 states. [2020-10-27 17:26:36,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 879 states and 1096 transitions. [2020-10-27 17:26:36,757 INFO L78 Accepts]: Start accepts. Automaton has 879 states and 1096 transitions. Word has length 150 [2020-10-27 17:26:36,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:26:36,759 INFO L481 AbstractCegarLoop]: Abstraction has 879 states and 1096 transitions. [2020-10-27 17:26:36,759 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:26:36,759 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1096 transitions. [2020-10-27 17:26:36,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-10-27 17:26:36,764 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:26:36,765 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:26:36,765 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 17:26:36,765 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:26:36,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:26:36,766 INFO L82 PathProgramCache]: Analyzing trace with hash 1909746525, now seen corresponding path program 1 times [2020-10-27 17:26:36,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:26:36,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608542131] [2020-10-27 17:26:36,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:26:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:36,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:37,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:37,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:37,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-27 17:26:37,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 17:26:37,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 928 [2020-10-27 17:26:37,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:26:37,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-27 17:26:37,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 17:26:37,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:37,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:26:37,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:37,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:37,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:37,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:26:37,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:37,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:26:37,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:26:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:37,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:26:37,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:37,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:26:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:37,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:38,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:38,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-27 17:26:38,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:38,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-27 17:26:38,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:26:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:38,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-27 17:26:38,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:38,124 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 17:26:38,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608542131] [2020-10-27 17:26:38,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:26:38,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:26:38,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1312860326] [2020-10-27 17:26:38,125 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:26:38,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:26:38,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:26:38,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:26:38,126 INFO L87 Difference]: Start difference. First operand 879 states and 1096 transitions. Second operand 5 states. [2020-10-27 17:26:39,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:26:39,546 INFO L93 Difference]: Finished difference Result 2046 states and 2647 transitions. [2020-10-27 17:26:39,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:26:39,547 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 170 [2020-10-27 17:26:39,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:26:39,556 INFO L225 Difference]: With dead ends: 2046 [2020-10-27 17:26:39,557 INFO L226 Difference]: Without dead ends: 1173 [2020-10-27 17:26:39,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:26:39,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1173 states. [2020-10-27 17:26:39,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1173 to 1169. [2020-10-27 17:26:39,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1169 states. [2020-10-27 17:26:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1169 states to 1169 states and 1480 transitions. [2020-10-27 17:26:39,634 INFO L78 Accepts]: Start accepts. Automaton has 1169 states and 1480 transitions. Word has length 170 [2020-10-27 17:26:39,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:26:39,635 INFO L481 AbstractCegarLoop]: Abstraction has 1169 states and 1480 transitions. [2020-10-27 17:26:39,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:26:39,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1169 states and 1480 transitions. [2020-10-27 17:26:39,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-27 17:26:39,641 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:26:39,643 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:26:39,643 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 17:26:39,644 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:26:39,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:26:39,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1601393308, now seen corresponding path program 1 times [2020-10-27 17:26:39,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:26:39,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202263541] [2020-10-27 17:26:39,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:26:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:39,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:39,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:40,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:40,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:41,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:41,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-27 17:26:41,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 17:26:41,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2148 [2020-10-27 17:26:41,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:26:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 179 [2020-10-27 17:26:41,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 17:26:41,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:41,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:26:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:41,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:42,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:42,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:26:42,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 17:26:42,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:26:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:42,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:26:42,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:42,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:26:42,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:42,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:42,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:42,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:26:42,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-27 17:26:42,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:26:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:42,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:26:42,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:42,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 17:26:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:42,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:42,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:42,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 17:26:42,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:42,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-27 17:26:42,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:26:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:42,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-27 17:26:42,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:42,295 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-27 17:26:42,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202263541] [2020-10-27 17:26:42,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:26:42,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-27 17:26:42,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [757048086] [2020-10-27 17:26:42,299 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-27 17:26:42,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:26:42,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-27 17:26:42,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:26:42,301 INFO L87 Difference]: Start difference. First operand 1169 states and 1480 transitions. Second operand 6 states. [2020-10-27 17:26:44,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:26:44,485 INFO L93 Difference]: Finished difference Result 2336 states and 3093 transitions. [2020-10-27 17:26:44,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 17:26:44,486 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2020-10-27 17:26:44,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:26:44,501 INFO L225 Difference]: With dead ends: 2336 [2020-10-27 17:26:44,502 INFO L226 Difference]: Without dead ends: 2333 [2020-10-27 17:26:44,504 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-27 17:26:44,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2333 states. [2020-10-27 17:26:44,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2333 to 1612. [2020-10-27 17:26:44,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1612 states. [2020-10-27 17:26:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1612 states to 1612 states and 2118 transitions. [2020-10-27 17:26:44,609 INFO L78 Accepts]: Start accepts. Automaton has 1612 states and 2118 transitions. Word has length 222 [2020-10-27 17:26:44,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:26:44,610 INFO L481 AbstractCegarLoop]: Abstraction has 1612 states and 2118 transitions. [2020-10-27 17:26:44,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-27 17:26:44,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 2118 transitions. [2020-10-27 17:26:44,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-27 17:26:44,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 17:26:44,621 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 17:26:44,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 17:26:44,622 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 17:26:44,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 17:26:44,624 INFO L82 PathProgramCache]: Analyzing trace with hash -392961336, now seen corresponding path program 1 times [2020-10-27 17:26:44,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 17:26:44,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [87072062] [2020-10-27 17:26:44,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 17:26:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:44,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:44,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:45,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:46,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:46,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-27 17:26:46,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 17:26:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1937 [2020-10-27 17:26:46,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 17:26:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 201 [2020-10-27 17:26:46,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 17:26:46,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:46,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 17:26:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:46,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:46,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:46,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 17:26:46,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:46,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 17:26:46,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:46,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:26:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:46,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:26:46,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:46,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 17:26:46,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:46,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:46,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:46,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-27 17:26:46,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:46,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 17:26:46,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 17:26:46,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:46,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 17:26:46,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:46,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-27 17:26:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 17:26:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 17:26:46,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 17:26:46,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 17:26:46,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 17:26:46,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 17:26:46,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 17:26:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 17:26:46,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 17:26:46,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-27 17:26:46,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 17:26:47,111 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2020-10-27 17:26:47,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [87072062] [2020-10-27 17:26:47,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 17:26:47,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 17:26:47,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513700326] [2020-10-27 17:26:47,114 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 17:26:47,114 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 17:26:47,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 17:26:47,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 17:26:47,117 INFO L87 Difference]: Start difference. First operand 1612 states and 2118 transitions. Second operand 5 states. [2020-10-27 17:26:48,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 17:26:48,182 INFO L93 Difference]: Finished difference Result 3088 states and 4036 transitions. [2020-10-27 17:26:48,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 17:26:48,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 244 [2020-10-27 17:26:48,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 17:26:48,189 INFO L225 Difference]: With dead ends: 3088 [2020-10-27 17:26:48,189 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 17:26:48,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 17:26:48,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 17:26:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 17:26:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 17:26:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 17:26:48,198 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 244 [2020-10-27 17:26:48,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 17:26:48,198 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 17:26:48,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 17:26:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 17:26:48,198 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 17:26:48,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 17:26:48,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 17:26:48,409 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 96 [2020-10-27 17:26:49,204 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 48 [2020-10-27 17:26:49,405 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 17:26:49,405 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 17:26:49,405 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 17:26:49,405 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 17:26:49,405 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:26:49,406 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~inputC~0 |old(~inputC~0)|) (= ~inputF~0 |old(~inputF~0)|) (= ~inputE~0 |old(~inputE~0)|) (= ~inputD~0 |old(~inputD~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~inputB~0 |old(~inputB~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~a4~0 |old(~a4~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a10~0 |old(~a10~0)|)) [2020-10-27 17:26:49,406 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:26:49,406 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-27 17:26:49,406 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-27 17:26:49,406 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-27 17:26:49,406 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-27 17:26:49,406 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-27 17:26:49,407 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-27 17:26:49,407 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-27 17:26:49,407 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-27 17:26:49,407 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-27 17:26:49,409 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-27 17:26:49,409 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-27 17:26:49,409 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-27 17:26:49,409 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-27 17:26:49,410 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,410 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,410 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,411 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,411 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,411 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,411 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-27 17:26:49,412 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-27 17:26:49,412 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-27 17:26:49,412 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-27 17:26:49,412 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 17:26:49,412 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-27 17:26:49,412 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-27 17:26:49,412 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-27 17:26:49,412 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-27 17:26:49,412 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-27 17:26:49,413 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-27 17:26:49,413 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,413 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,413 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,413 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,413 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,413 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-27 17:26:49,413 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-27 17:26:49,414 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-27 17:26:49,414 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-27 17:26:49,414 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-27 17:26:49,414 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-27 17:26:49,415 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-27 17:26:49,415 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-27 17:26:49,415 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-27 17:26:49,415 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-27 17:26:49,415 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-27 17:26:49,415 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-27 17:26:49,415 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-27 17:26:49,416 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-27 17:26:49,416 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,416 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,418 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,418 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,418 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,418 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-27 17:26:49,418 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-27 17:26:49,418 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-27 17:26:49,418 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-27 17:26:49,418 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,419 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-27 17:26:49,420 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-27 17:26:49,421 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-27 17:26:49,421 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-27 17:26:49,421 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-27 17:26:49,421 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,421 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,421 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,421 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,421 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,421 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-27 17:26:49,422 INFO L270 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a1~0)| 23)))) (and (= 6 |old(~a19~0)|) (or (not (<= 4 |old(~a10~0)|)) .cse0) (or (not (<= |old(~a10~0)| 0)) .cse0) (or (not (= 3 |old(~a10~0)|)) (not (= 14 ~a4~0)) (not (<= |old(~a1~0)| 33)) (not (<= 0 (+ |old(~a1~0)| 12))) (not (= ~a12~0 0))))) [2020-10-27 17:26:49,422 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-27 17:26:49,422 INFO L274 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-10-27 17:26:49,423 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-27 17:26:49,423 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-27 17:26:49,423 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,423 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,423 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-27 17:26:49,423 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-27 17:26:49,424 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-27 17:26:49,424 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-27 17:26:49,424 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,424 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,424 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,424 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,424 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,424 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-27 17:26:49,424 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-27 17:26:49,425 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-27 17:26:49,425 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-27 17:26:49,425 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-27 17:26:49,425 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-27 17:26:49,425 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-27 17:26:49,425 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-27 17:26:49,425 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-27 17:26:49,425 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-27 17:26:49,425 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-27 17:26:49,426 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-27 17:26:49,426 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-27 17:26:49,426 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-27 17:26:49,427 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-27 17:26:49,428 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,429 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,429 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,429 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,429 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,429 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,429 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-27 17:26:49,429 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse3 (= ~a1~0 |old(~a1~0)|)) (.cse4 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (not (<= |old(~a1~0)| 23))) (.cse2 (= 6 |old(~a19~0)|)) (.cse0 (and .cse3 (= ~a19~0 |old(~a19~0)|) .cse4))) (and (or (not (<= |old(~a10~0)| 0)) .cse0 .cse1) (or (not (= 3 |old(~a10~0)|)) (not .cse2) (not (= 14 ~a4~0)) (not (<= |old(~a1~0)| 33)) (and .cse3 (= ~a19~0 6) .cse4) (not (<= 0 (+ |old(~a1~0)| 12))) (not (= ~a12~0 0))) (or (not (<= 4 |old(~a10~0)|)) .cse0 .cse1) (or .cse2 .cse0)))) [2020-10-27 17:26:49,429 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-27 17:26:49,430 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-27 17:26:49,431 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-27 17:26:49,432 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-27 17:26:49,433 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-27 17:26:49,434 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-27 17:26:49,434 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-27 17:26:49,434 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-27 17:26:49,434 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-27 17:26:49,434 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-27 17:26:49,434 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-27 17:26:49,434 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-27 17:26:49,434 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-27 17:26:49,434 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,435 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,435 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,435 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,435 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,435 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-27 17:26:49,435 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 17:26:49,435 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a10~0 0) (<= 9 ~a19~0) (<= ~a1~0 23)) [2020-10-27 17:26:49,435 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 17:26:49,435 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 17:26:49,436 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (= ~a1~0 |old(~a1~0)|) (= ~a19~0 |old(~a19~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a1~0)| 23))) [2020-10-27 17:26:49,436 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:26:49,436 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 23))) (or (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a10~0 0) .cse0) (not (<= |old(~a1~0)| 23)) (not (= ~a19~0 6)) (and (<= 4 ~a10~0) .cse0) (and (<= 0 (+ ~a1~0 12)) (= ~a10~0 3) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0)))) [2020-10-27 17:26:49,436 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-27 17:26:49,436 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-27 17:26:49,436 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= ~a1~0 23))) (or (not (<= |old(~a10~0)| 0)) (not (<= 9 |old(~a19~0)|)) (and (<= ~a10~0 0) .cse0) (not (<= |old(~a1~0)| 23)) (not (= ~a19~0 6)) (and (<= 4 ~a10~0) .cse0) (and (<= 0 (+ ~a1~0 12)) (= ~a10~0 3) (= 14 ~a4~0) (<= ~a1~0 33) (= ~a12~0 0)))) [2020-10-27 17:26:49,436 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-27 17:26:49,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:26:49 BoogieIcfgContainer [2020-10-27 17:26:49,469 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 17:26:49,472 INFO L168 Benchmark]: Toolchain (without parser) took 27401.26 ms. Allocated memory was 156.2 MB in the beginning and 497.0 MB in the end (delta: 340.8 MB). Free memory was 129.6 MB in the beginning and 282.4 MB in the end (delta: -152.8 MB). Peak memory consumption was 296.0 MB. Max. memory is 8.0 GB. [2020-10-27 17:26:49,479 INFO L168 Benchmark]: CDTParser took 0.81 ms. Allocated memory is still 156.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 17:26:49,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 866.02 ms. Allocated memory is still 156.2 MB. Free memory was 128.9 MB in the beginning and 133.2 MB in the end (delta: -4.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. [2020-10-27 17:26:49,481 INFO L168 Benchmark]: Boogie Preprocessor took 192.65 ms. Allocated memory is still 156.2 MB. Free memory was 133.2 MB in the beginning and 128.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 17:26:49,482 INFO L168 Benchmark]: RCFGBuilder took 1650.46 ms. Allocated memory is still 156.2 MB. Free memory was 128.6 MB in the beginning and 110.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. [2020-10-27 17:26:49,482 INFO L168 Benchmark]: TraceAbstraction took 24675.50 ms. Allocated memory was 156.2 MB in the beginning and 497.0 MB in the end (delta: 340.8 MB). Free memory was 110.3 MB in the beginning and 282.4 MB in the end (delta: -172.1 MB). Peak memory consumption was 276.1 MB. Max. memory is 8.0 GB. [2020-10-27 17:26:49,495 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.81 ms. Allocated memory is still 156.2 MB. Free memory is still 129.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 866.02 ms. Allocated memory is still 156.2 MB. Free memory was 128.9 MB in the beginning and 133.2 MB in the end (delta: -4.3 MB). Peak memory consumption was 27.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 192.65 ms. Allocated memory is still 156.2 MB. Free memory was 133.2 MB in the beginning and 128.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1650.46 ms. Allocated memory is still 156.2 MB. Free memory was 128.6 MB in the beginning and 110.8 MB in the end (delta: 17.8 MB). Peak memory consumption was 84.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 24675.50 ms. Allocated memory was 156.2 MB in the beginning and 497.0 MB in the end (delta: 340.8 MB). Free memory was 110.3 MB in the beginning and 282.4 MB in the end (delta: -172.1 MB). Peak memory consumption was 276.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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: 584]: Loop Invariant Derived loop invariant: (((((!(\old(a10) <= 0) || !(9 <= \old(a19))) || (a10 <= 0 && a1 <= 23)) || !(\old(a1) <= 23)) || !(a19 == 6)) || (4 <= a10 && a1 <= 23)) || ((((0 <= a1 + 12 && a10 == 3) && 14 == a4) && a1 <= 33) && a12 == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 23.3s, OverallIterations: 7, TraceHistogramMax: 3, AutomataDifference: 10.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 2618 SDslu, 130 SDs, 0 SdLazy, 4416 SolverSat, 767 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1612occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 741 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 95 PreInvPairs, 121 NumberOfFragments, 329 HoareAnnotationTreeSize, 95 FomulaSimplifications, 26633 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 1484 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 1104 NumberOfCodeBlocks, 1104 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1097 ConstructedInterpolants, 0 QuantifiedInterpolants, 471765 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 508/516 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...