/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem10_label10.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 11:58:00,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 11:58:00,205 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 11:58:00,240 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 11:58:00,241 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 11:58:00,242 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 11:58:00,244 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 11:58:00,247 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 11:58:00,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 11:58:00,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 11:58:00,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 11:58:00,254 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 11:58:00,254 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 11:58:00,255 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 11:58:00,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 11:58:00,258 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 11:58:00,259 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 11:58:00,261 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 11:58:00,263 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 11:58:00,265 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 11:58:00,267 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 11:58:00,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 11:58:00,273 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 11:58:00,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 11:58:00,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 11:58:00,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 11:58:00,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 11:58:00,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 11:58:00,295 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 11:58:00,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 11:58:00,297 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 11:58:00,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 11:58:00,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 11:58:00,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 11:58:00,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 11:58:00,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 11:58:00,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 11:58:00,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 11:58:00,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 11:58:00,305 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 11:58:00,306 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 11:58:00,309 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 11:58:00,337 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 11:58:00,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 11:58:00,339 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 11:58:00,340 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 11:58:00,340 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 11:58:00,340 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 11:58:00,340 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 11:58:00,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 11:58:00,341 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 11:58:00,341 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 11:58:00,341 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 11:58:00,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 11:58:00,342 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 11:58:00,342 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 11:58:00,342 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 11:58:00,343 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 11:58:00,343 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 11:58:00,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 11:58:00,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 11:58:00,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 11:58:00,344 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 11:58:00,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:58:00,344 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 11:58:00,344 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 11:58:00,345 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 11:58:00,345 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 11:58:00,345 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 11:58:00,345 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 11:58:00,345 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 11:58:00,346 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 11:58:00,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 11:58:00,847 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 11:58:00,850 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 11:58:00,852 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 11:58:00,853 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 11:58:00,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-10-28 11:58:00,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a44d8af9e/d744be1bdb8846f8b9595beae4a8dcd7/FLAG545cf11d2 [2020-10-28 11:58:01,638 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 11:58:01,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label10.c [2020-10-28 11:58:01,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a44d8af9e/d744be1bdb8846f8b9595beae4a8dcd7/FLAG545cf11d2 [2020-10-28 11:58:01,911 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a44d8af9e/d744be1bdb8846f8b9595beae4a8dcd7 [2020-10-28 11:58:01,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 11:58:01,922 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 11:58:01,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:01,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 11:58:01,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 11:58:01,930 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:01" (1/1) ... [2020-10-28 11:58:01,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@393861a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:01, skipping insertion in model container [2020-10-28 11:58:01,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:58:01" (1/1) ... [2020-10-28 11:58:01,946 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 11:58:02,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 11:58:02,545 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:02,556 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 11:58:02,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 11:58:02,667 INFO L208 MainTranslator]: Completed translation [2020-10-28 11:58:02,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02 WrapperNode [2020-10-28 11:58:02,667 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 11:58:02,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 11:58:02,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 11:58:02,669 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 11:58:02,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,707 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,766 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,774 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... [2020-10-28 11:58:02,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 11:58:02,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 11:58:02,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 11:58:02,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 11:58:02,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 11:58:02,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 11:58:02,907 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 11:58:02,908 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 11:58:02,908 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-28 11:58:02,909 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 11:58:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-28 11:58:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 11:58:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 11:58:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 11:58:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 11:58:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 11:58:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-28 11:58:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 11:58:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 11:58:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 11:58:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 11:58:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 11:58:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 11:58:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 11:58:04,544 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 11:58:04,545 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-28 11:58:04,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:04 BoogieIcfgContainer [2020-10-28 11:58:04,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 11:58:04,549 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 11:58:04,550 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 11:58:04,554 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 11:58:04,554 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:58:01" (1/3) ... [2020-10-28 11:58:04,555 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a48ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:04, skipping insertion in model container [2020-10-28 11:58:04,555 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:58:02" (2/3) ... [2020-10-28 11:58:04,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13a48ef1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:58:04, skipping insertion in model container [2020-10-28 11:58:04,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:58:04" (3/3) ... [2020-10-28 11:58:04,558 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label10.c [2020-10-28 11:58:04,571 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 11:58:04,577 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-28 11:58:04,592 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-28 11:58:04,624 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 11:58:04,624 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 11:58:04,624 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 11:58:04,624 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 11:58:04,624 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 11:58:04,625 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 11:58:04,625 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 11:58:04,625 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 11:58:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-28 11:58:04,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-28 11:58:04,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:04,661 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] [2020-10-28 11:58:04,661 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:04,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:04,668 INFO L82 PathProgramCache]: Analyzing trace with hash 1788982010, now seen corresponding path program 1 times [2020-10-28 11:58:04,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:04,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863616447] [2020-10-28 11:58:04,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:04,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:05,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:05,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-28 11:58:05,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:05,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 546 [2020-10-28 11:58:05,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:05,412 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:05,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:05,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 56 [2020-10-28 11:58:05,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 11:58:05,611 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2020-10-28 11:58:05,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:05,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:05,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:05,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:05,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:05,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:05,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-28 11:58:05,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:05,681 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:05,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:05,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:05,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:05,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:05,704 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863616447] [2020-10-28 11:58:05,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:58:05,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 11:58:05,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112393557] [2020-10-28 11:58:05,713 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 11:58:05,713 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:05,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 11:58:05,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 11:58:05,733 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 4 states. [2020-10-28 11:58:05,893 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-10-28 11:58:08,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:08,202 INFO L93 Difference]: Finished difference Result 601 states and 1027 transitions. [2020-10-28 11:58:08,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:08,210 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 55 [2020-10-28 11:58:08,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:08,236 INFO L225 Difference]: With dead ends: 601 [2020-10-28 11:58:08,236 INFO L226 Difference]: Without dead ends: 303 [2020-10-28 11:58:08,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:08,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-28 11:58:08,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-28 11:58:08,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-28 11:58:08,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 431 transitions. [2020-10-28 11:58:08,323 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 431 transitions. Word has length 55 [2020-10-28 11:58:08,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:08,324 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 431 transitions. [2020-10-28 11:58:08,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 11:58:08,324 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 431 transitions. [2020-10-28 11:58:08,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-28 11:58:08,330 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:08,331 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] [2020-10-28 11:58:08,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 11:58:08,331 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:08,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:08,332 INFO L82 PathProgramCache]: Analyzing trace with hash -1207663617, now seen corresponding path program 1 times [2020-10-28 11:58:08,332 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:08,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1431436429] [2020-10-28 11:58:08,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:08,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:08,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:09,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:09,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:09,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-28 11:58:09,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:09,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1324 [2020-10-28 11:58:09,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:09,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:09,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 11:58:09,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:09,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:09,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:09,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:09,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:09,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:09,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 11:58:09,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:09,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:09,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:09,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:09,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:09,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:10,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:10,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-28 11:58:10,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 128 [2020-10-28 11:58:10,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:10,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:10,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 11:58:10,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:10,131 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:10,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1431436429] [2020-10-28 11:58:10,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 11:58:10,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 11:58:10,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160261831] [2020-10-28 11:58:10,134 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:10,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:10,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:10,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:10,140 INFO L87 Difference]: Start difference. First operand 299 states and 431 transitions. Second operand 7 states. [2020-10-28 11:58:12,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:12,125 INFO L93 Difference]: Finished difference Result 910 states and 1353 transitions. [2020-10-28 11:58:12,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:58:12,131 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 129 [2020-10-28 11:58:12,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:12,140 INFO L225 Difference]: With dead ends: 910 [2020-10-28 11:58:12,141 INFO L226 Difference]: Without dead ends: 617 [2020-10-28 11:58:12,143 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:12,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-28 11:58:12,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 597. [2020-10-28 11:58:12,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-10-28 11:58:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 783 transitions. [2020-10-28 11:58:12,241 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 783 transitions. Word has length 129 [2020-10-28 11:58:12,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:12,242 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 783 transitions. [2020-10-28 11:58:12,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:12,242 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 783 transitions. [2020-10-28 11:58:12,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-28 11:58:12,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:12,249 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] [2020-10-28 11:58:12,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 11:58:12,250 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:12,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:12,251 INFO L82 PathProgramCache]: Analyzing trace with hash -1772927595, now seen corresponding path program 1 times [2020-10-28 11:58:12,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:12,254 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1310049546] [2020-10-28 11:58:12,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:12,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:12,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:13,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:13,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 146 [2020-10-28 11:58:13,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:13,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 695 [2020-10-28 11:58:13,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:13,004 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:13,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:13,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:58:13,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 11:58:13,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:13,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:13,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:13,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:13,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:13,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:13,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:13,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 11:58:13,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:13,164 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:13,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:13,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:13,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:13,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:13,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:13,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:58:13,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:13,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 83 [2020-10-28 11:58:13,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:13,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:13,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:13,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:13,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:13,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:13,411 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 46 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 11:58:13,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1310049546] [2020-10-28 11:58:13,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:13,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-10-28 11:58:13,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961693054] [2020-10-28 11:58:13,416 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 11:58:13,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:13,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 11:58:13,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:13,419 INFO L87 Difference]: Start difference. First operand 597 states and 783 transitions. Second operand 6 states. [2020-10-28 11:58:15,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:15,966 INFO L93 Difference]: Finished difference Result 1780 states and 2505 transitions. [2020-10-28 11:58:15,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 11:58:15,968 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 134 [2020-10-28 11:58:15,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:15,981 INFO L225 Difference]: With dead ends: 1780 [2020-10-28 11:58:15,981 INFO L226 Difference]: Without dead ends: 1189 [2020-10-28 11:58:15,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:58:15,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1189 states. [2020-10-28 11:58:16,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1189 to 1185. [2020-10-28 11:58:16,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1185 states. [2020-10-28 11:58:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1185 states to 1185 states and 1635 transitions. [2020-10-28 11:58:16,073 INFO L78 Accepts]: Start accepts. Automaton has 1185 states and 1635 transitions. Word has length 134 [2020-10-28 11:58:16,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:16,074 INFO L481 AbstractCegarLoop]: Abstraction has 1185 states and 1635 transitions. [2020-10-28 11:58:16,074 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 11:58:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1635 transitions. [2020-10-28 11:58:16,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-28 11:58:16,092 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:16,092 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:16,093 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 11:58:16,093 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:16,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:16,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1189122830, now seen corresponding path program 1 times [2020-10-28 11:58:16,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:16,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [916782854] [2020-10-28 11:58:16,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:16,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:16,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:16,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:17,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:17,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:17,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-28 11:58:17,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:17,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1672 [2020-10-28 11:58:17,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:17,821 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-28 11:58:17,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 11:58:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:17,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:17,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:17,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:17,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:17,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:17,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:58:17,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:17,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:17,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:17,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:17,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:17,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:17,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:18,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:18,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 11:58:18,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:18,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 11:58:18,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:18,033 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:18,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:18,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:18,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-28 11:58:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:18,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:18,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:18,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:58:18,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:18,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 119 [2020-10-28 11:58:18,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:18,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:18,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:18,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:18,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:18,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:18,336 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 164 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:18,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [916782854] [2020-10-28 11:58:18,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:18,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:18,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057670126] [2020-10-28 11:58:18,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:18,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:18,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:18,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:18,343 INFO L87 Difference]: Start difference. First operand 1185 states and 1635 transitions. Second operand 7 states. [2020-10-28 11:58:21,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:21,396 INFO L93 Difference]: Finished difference Result 4069 states and 6175 transitions. [2020-10-28 11:58:21,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 11:58:21,397 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 207 [2020-10-28 11:58:21,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:21,415 INFO L225 Difference]: With dead ends: 4069 [2020-10-28 11:58:21,415 INFO L226 Difference]: Without dead ends: 1986 [2020-10-28 11:58:21,424 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:21,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1986 states. [2020-10-28 11:58:21,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1986 to 1976. [2020-10-28 11:58:21,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1976 states. [2020-10-28 11:58:21,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2749 transitions. [2020-10-28 11:58:21,541 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2749 transitions. Word has length 207 [2020-10-28 11:58:21,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:21,542 INFO L481 AbstractCegarLoop]: Abstraction has 1976 states and 2749 transitions. [2020-10-28 11:58:21,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:21,542 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2749 transitions. [2020-10-28 11:58:21,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-28 11:58:21,550 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:21,551 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] [2020-10-28 11:58:21,551 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 11:58:21,551 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:21,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:21,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1601393308, now seen corresponding path program 1 times [2020-10-28 11:58:21,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:21,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [583830254] [2020-10-28 11:58:21,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:21,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:21,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:21,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:22,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:22,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:23,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:23,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 236 [2020-10-28 11:58:23,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:23,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2134 [2020-10-28 11:58:23,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:23,740 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:23,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 152 [2020-10-28 11:58:23,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:23,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:23,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:23,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:23,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:23,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:23,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:58:23,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:23,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:23,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:23,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:23,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:23,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:23,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:23,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:23,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:23,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-28 11:58:23,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:23,980 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:23,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:23,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:23,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:58:24,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:24,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:24,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:24,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:24,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:24,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-28 11:58:24,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:58:24,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-28 11:58:24,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:24,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:24,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:24,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 92 [2020-10-28 11:58:24,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:24,253 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 92 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 11:58:24,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [583830254] [2020-10-28 11:58:24,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:24,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:58:24,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [658642693] [2020-10-28 11:58:24,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:58:24,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:24,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:58:24,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:58:24,256 INFO L87 Difference]: Start difference. First operand 1976 states and 2749 transitions. Second operand 5 states. [2020-10-28 11:58:25,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:25,542 INFO L93 Difference]: Finished difference Result 1981 states and 2762 transitions. [2020-10-28 11:58:25,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:58:25,543 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 222 [2020-10-28 11:58:25,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:25,559 INFO L225 Difference]: With dead ends: 1981 [2020-10-28 11:58:25,560 INFO L226 Difference]: Without dead ends: 1978 [2020-10-28 11:58:25,562 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:58:25,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2020-10-28 11:58:25,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1976. [2020-10-28 11:58:25,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1976 states. [2020-10-28 11:58:25,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 2748 transitions. [2020-10-28 11:58:25,666 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 2748 transitions. Word has length 222 [2020-10-28 11:58:25,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:25,667 INFO L481 AbstractCegarLoop]: Abstraction has 1976 states and 2748 transitions. [2020-10-28 11:58:25,667 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:58:25,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2748 transitions. [2020-10-28 11:58:25,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-28 11:58:25,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:25,675 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] [2020-10-28 11:58:25,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 11:58:25,676 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:25,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:25,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1091779436, now seen corresponding path program 1 times [2020-10-28 11:58:25,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:25,677 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [705960713] [2020-10-28 11:58:25,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:25,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:25,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:25,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:26,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-28 11:58:27,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:27,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1454 [2020-10-28 11:58:27,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,181 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:27,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:27,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-28 11:58:27,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:27,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:27,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:27,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:27,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 11:58:27,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:27,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:27,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:27,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:27,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:27,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:27,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:27,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-28 11:58:27,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:27,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:27,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:27,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:27,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:27,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:27,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:27,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:58:27,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-28 11:58:27,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:27,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-28 11:58:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:27,736 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-28 11:58:27,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [705960713] [2020-10-28 11:58:27,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:27,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:27,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898831930] [2020-10-28 11:58:27,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:27,739 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:27,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:27,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:27,740 INFO L87 Difference]: Start difference. First operand 1976 states and 2748 transitions. Second operand 7 states. [2020-10-28 11:58:29,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:29,525 INFO L93 Difference]: Finished difference Result 3964 states and 5567 transitions. [2020-10-28 11:58:29,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:29,526 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-10-28 11:58:29,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:29,541 INFO L225 Difference]: With dead ends: 3964 [2020-10-28 11:58:29,541 INFO L226 Difference]: Without dead ends: 1998 [2020-10-28 11:58:29,551 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:29,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1998 states. [2020-10-28 11:58:29,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1998 to 1980. [2020-10-28 11:58:29,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1980 states. [2020-10-28 11:58:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1980 states to 1980 states and 2698 transitions. [2020-10-28 11:58:29,660 INFO L78 Accepts]: Start accepts. Automaton has 1980 states and 2698 transitions. Word has length 223 [2020-10-28 11:58:29,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:29,660 INFO L481 AbstractCegarLoop]: Abstraction has 1980 states and 2698 transitions. [2020-10-28 11:58:29,661 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:29,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2698 transitions. [2020-10-28 11:58:29,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-28 11:58:29,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:29,668 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, 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] [2020-10-28 11:58:29,668 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 11:58:29,669 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:29,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:29,670 INFO L82 PathProgramCache]: Analyzing trace with hash 2120225006, now seen corresponding path program 1 times [2020-10-28 11:58:29,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:29,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860849991] [2020-10-28 11:58:29,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:29,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:29,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:32,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:34,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:34,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 237 [2020-10-28 11:58:34,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:34,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 11:58:34,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:34,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:34,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:34,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:34,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-28 11:58:34,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:34,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:34,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:34,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:34,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:34,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:34,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:34,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 11:58:34,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:34,863 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:34,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:34,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:34,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 11:58:34,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:34,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:34,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:35,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-28 11:58:35,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:35,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-28 11:58:35,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:35,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:35,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 96 [2020-10-28 11:58:35,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:35,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-28 11:58:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:35,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:35,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:35,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:58:35,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:35,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 11:58:35,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:35,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:35,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:35,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-28 11:58:35,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:35,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 94 proven. 68 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:58:35,256 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860849991] [2020-10-28 11:58:35,256 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:35,256 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:35,257 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132187060] [2020-10-28 11:58:35,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:35,258 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:35,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:35,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:35,260 INFO L87 Difference]: Start difference. First operand 1980 states and 2698 transitions. Second operand 7 states. [2020-10-28 11:58:37,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:37,157 INFO L93 Difference]: Finished difference Result 3892 states and 5116 transitions. [2020-10-28 11:58:37,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:37,158 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 223 [2020-10-28 11:58:37,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:37,170 INFO L225 Difference]: With dead ends: 3892 [2020-10-28 11:58:37,170 INFO L226 Difference]: Without dead ends: 1950 [2020-10-28 11:58:37,179 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:37,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1950 states. [2020-10-28 11:58:37,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1950 to 1773. [2020-10-28 11:58:37,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2020-10-28 11:58:37,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2112 transitions. [2020-10-28 11:58:37,243 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2112 transitions. Word has length 223 [2020-10-28 11:58:37,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:37,244 INFO L481 AbstractCegarLoop]: Abstraction has 1773 states and 2112 transitions. [2020-10-28 11:58:37,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:37,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2112 transitions. [2020-10-28 11:58:37,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-28 11:58:37,249 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:37,250 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, 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] [2020-10-28 11:58:37,250 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 11:58:37,250 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:37,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:37,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1876699462, now seen corresponding path program 1 times [2020-10-28 11:58:37,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:37,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092471015] [2020-10-28 11:58:37,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:37,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:37,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:38,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:39,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 244 [2020-10-28 11:58:39,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:39,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2298 [2020-10-28 11:58:39,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:39,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:39,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 11:58:39,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 83 [2020-10-28 11:58:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:39,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:39,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:39,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:39,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:39,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:39,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 11:58:39,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:39,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:39,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 11:58:39,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:39,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:39,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:39,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:39,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-28 11:58:39,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:39,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:39,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 11:58:39,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:39,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-28 11:58:39,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:39,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:39,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:39,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:58:39,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:39,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 11:58:39,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:39,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 11:58:39,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:39,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 94 proven. 72 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-28 11:58:40,101 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092471015] [2020-10-28 11:58:40,101 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:40,102 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:40,102 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407124234] [2020-10-28 11:58:40,103 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:40,103 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:40,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:40,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:40,104 INFO L87 Difference]: Start difference. First operand 1773 states and 2112 transitions. Second operand 7 states. [2020-10-28 11:58:41,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:41,879 INFO L93 Difference]: Finished difference Result 3707 states and 4403 transitions. [2020-10-28 11:58:41,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:41,884 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2020-10-28 11:58:41,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:41,893 INFO L225 Difference]: With dead ends: 3707 [2020-10-28 11:58:41,894 INFO L226 Difference]: Without dead ends: 1940 [2020-10-28 11:58:41,898 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:41,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1940 states. [2020-10-28 11:58:41,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1940 to 1926. [2020-10-28 11:58:41,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1926 states. [2020-10-28 11:58:41,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1926 states to 1926 states and 2262 transitions. [2020-10-28 11:58:41,958 INFO L78 Accepts]: Start accepts. Automaton has 1926 states and 2262 transitions. Word has length 230 [2020-10-28 11:58:41,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:41,959 INFO L481 AbstractCegarLoop]: Abstraction has 1926 states and 2262 transitions. [2020-10-28 11:58:41,959 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:58:41,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1926 states and 2262 transitions. [2020-10-28 11:58:41,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-28 11:58:41,967 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:41,968 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:41,969 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 11:58:41,969 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:41,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:41,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1848982999, now seen corresponding path program 1 times [2020-10-28 11:58:41,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:41,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878664504] [2020-10-28 11:58:41,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:42,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:42,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:42,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:44,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:44,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 316 [2020-10-28 11:58:44,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:44,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2380 [2020-10-28 11:58:44,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:44,409 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:44,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-28 11:58:44,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 11:58:44,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:44,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:44,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:44,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:44,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:44,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:44,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:44,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 11:58:44,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:44,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:44,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:44,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:44,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:44,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:44,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-28 11:58:44,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 45 [2020-10-28 11:58:44,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:44,624 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:44,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:44,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-28 11:58:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:44,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 11:58:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:44,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:44,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:44,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-28 11:58:44,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:44,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 158 [2020-10-28 11:58:44,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:44,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:44,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:44,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:44,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-28 11:58:44,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:45,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-28 11:58:45,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:45,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:45,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:45,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 11:58:45,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:45,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 11:58:45,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:45,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 96 [2020-10-28 11:58:45,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:45,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 11:58:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 212 proven. 76 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-28 11:58:45,374 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878664504] [2020-10-28 11:58:45,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:45,379 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:58:45,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250157388] [2020-10-28 11:58:45,380 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:58:45,380 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:45,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:58:45,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:58:45,384 INFO L87 Difference]: Start difference. First operand 1926 states and 2262 transitions. Second operand 8 states. [2020-10-28 11:58:47,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:47,335 INFO L93 Difference]: Finished difference Result 3715 states and 4386 transitions. [2020-10-28 11:58:47,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:47,337 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 300 [2020-10-28 11:58:47,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:47,347 INFO L225 Difference]: With dead ends: 3715 [2020-10-28 11:58:47,347 INFO L226 Difference]: Without dead ends: 1938 [2020-10-28 11:58:47,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-28 11:58:47,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2020-10-28 11:58:47,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1779. [2020-10-28 11:58:47,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1779 states. [2020-10-28 11:58:47,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1779 states to 1779 states and 2015 transitions. [2020-10-28 11:58:47,408 INFO L78 Accepts]: Start accepts. Automaton has 1779 states and 2015 transitions. Word has length 300 [2020-10-28 11:58:47,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:47,409 INFO L481 AbstractCegarLoop]: Abstraction has 1779 states and 2015 transitions. [2020-10-28 11:58:47,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:58:47,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1779 states and 2015 transitions. [2020-10-28 11:58:47,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2020-10-28 11:58:47,417 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:47,417 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:47,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 11:58:47,418 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:47,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:47,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1436765915, now seen corresponding path program 1 times [2020-10-28 11:58:47,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:47,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [284991839] [2020-10-28 11:58:47,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:47,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:47,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:47,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:47,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:48,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-28 11:58:52,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 11:58:52,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 11:58:52,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:58:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-28 11:58:52,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-28 11:58:52,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:52,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:52,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:52,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:58:52,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:52,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:52,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:52,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:52,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:58:52,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:52,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-28 11:58:52,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:52,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:52,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-28 11:58:52,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:52,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:58:52,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:52,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:52,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:58:52,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:52,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 11:58:52,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:52,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:52,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:52,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:52,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:58:52,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:52,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-28 11:58:52,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:52,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:53,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:53,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:58:53,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:53,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-28 11:58:53,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:53,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:53,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:53,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:53,300 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 280 proven. 10 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-28 11:58:53,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [284991839] [2020-10-28 11:58:53,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:53,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-28 11:58:53,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907848328] [2020-10-28 11:58:53,301 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 11:58:53,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:53,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 11:58:53,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-28 11:58:53,302 INFO L87 Difference]: Start difference. First operand 1779 states and 2015 transitions. Second operand 8 states. [2020-10-28 11:58:55,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:58:55,642 INFO L93 Difference]: Finished difference Result 4010 states and 4602 transitions. [2020-10-28 11:58:55,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:58:55,644 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 315 [2020-10-28 11:58:55,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:58:55,656 INFO L225 Difference]: With dead ends: 4010 [2020-10-28 11:58:55,656 INFO L226 Difference]: Without dead ends: 2380 [2020-10-28 11:58:55,661 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:58:55,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2380 states. [2020-10-28 11:58:55,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2380 to 2228. [2020-10-28 11:58:55,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2228 states. [2020-10-28 11:58:55,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2228 states to 2228 states and 2512 transitions. [2020-10-28 11:58:55,726 INFO L78 Accepts]: Start accepts. Automaton has 2228 states and 2512 transitions. Word has length 315 [2020-10-28 11:58:55,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:58:55,727 INFO L481 AbstractCegarLoop]: Abstraction has 2228 states and 2512 transitions. [2020-10-28 11:58:55,727 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 11:58:55,727 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2512 transitions. [2020-10-28 11:58:55,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-10-28 11:58:55,735 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:58:55,735 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:58:55,736 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 11:58:55,736 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:58:55,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:58:55,736 INFO L82 PathProgramCache]: Analyzing trace with hash -676353179, now seen corresponding path program 1 times [2020-10-28 11:58:55,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:58:55,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096443430] [2020-10-28 11:58:55,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:58:55,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:55,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:55,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:56,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:57,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:57,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 344 [2020-10-28 11:58:57,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 11:58:57,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1996 [2020-10-28 11:58:57,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:57,795 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:57,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 212 [2020-10-28 11:58:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 76 [2020-10-28 11:58:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:57,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:58:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:57,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:57,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:57,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:58:57,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:57,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:58:57,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:57,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:57,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:57,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:57,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:57,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:58:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:57,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:57,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:57,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:58:57,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:57,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 11:58:57,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:57,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:58:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:58:57,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:58,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:58:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:58,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:58,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 11:58:58,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:58,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 11:58:58,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:58,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:58:58,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:58:58,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-28 11:58:58,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:58,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-28 11:58:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:58:58,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:58:58,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:58:58,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:58:58,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:58:58,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-28 11:58:58,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:58:58,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:58:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:58:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:58:58,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:58:58,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:58:58,458 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 286 proven. 2 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-28 11:58:58,459 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096443430] [2020-10-28 11:58:58,459 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:58:58,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-28 11:58:58,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1574738631] [2020-10-28 11:58:58,463 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 11:58:58,463 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:58:58,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 11:58:58,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-28 11:58:58,471 INFO L87 Difference]: Start difference. First operand 2228 states and 2512 transitions. Second operand 7 states. [2020-10-28 11:59:00,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:00,670 INFO L93 Difference]: Finished difference Result 4611 states and 5239 transitions. [2020-10-28 11:59:00,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-28 11:59:00,675 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 328 [2020-10-28 11:59:00,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:00,686 INFO L225 Difference]: With dead ends: 4611 [2020-10-28 11:59:00,686 INFO L226 Difference]: Without dead ends: 2387 [2020-10-28 11:59:00,692 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-28 11:59:00,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2387 states. [2020-10-28 11:59:00,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2387 to 2377. [2020-10-28 11:59:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2377 states. [2020-10-28 11:59:00,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2377 states and 2673 transitions. [2020-10-28 11:59:00,761 INFO L78 Accepts]: Start accepts. Automaton has 2377 states and 2673 transitions. Word has length 328 [2020-10-28 11:59:00,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:00,762 INFO L481 AbstractCegarLoop]: Abstraction has 2377 states and 2673 transitions. [2020-10-28 11:59:00,762 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 11:59:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 2673 transitions. [2020-10-28 11:59:00,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2020-10-28 11:59:00,771 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:00,771 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 11:59:00,772 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-28 11:59:00,772 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:00,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:00,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1040849465, now seen corresponding path program 1 times [2020-10-28 11:59:00,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:00,773 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [637365726] [2020-10-28 11:59:00,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:00,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:00,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:00,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:01,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:01,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:01,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:05,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:05,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 353 [2020-10-28 11:59:05,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 11:59:05,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5021 [2020-10-28 11:59:05,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:05,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 11:59:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 147 [2020-10-28 11:59:05,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-28 11:59:05,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:06,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:06,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:06,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:06,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 11:59:06,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:06,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:06,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:06,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:06,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 138 [2020-10-28 11:59:06,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:06,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 70 [2020-10-28 11:59:06,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:06,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:06,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:06,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:06,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 132 [2020-10-28 11:59:06,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-28 11:59:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:06,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:59:06,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:06,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-28 11:59:06,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:06,296 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:06,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:06,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-28 11:59:06,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-28 11:59:06,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:06,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:06,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:06,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:59:06,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:06,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-28 11:59:06,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:06,504 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 11:59:06,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-28 11:59:06,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:06,762 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 345 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-28 11:59:06,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [637365726] [2020-10-28 11:59:06,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:06,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 11:59:06,763 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243505404] [2020-10-28 11:59:06,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 11:59:06,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:06,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 11:59:06,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-28 11:59:06,765 INFO L87 Difference]: Start difference. First operand 2377 states and 2673 transitions. Second operand 10 states. [2020-10-28 11:59:09,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:09,301 INFO L93 Difference]: Finished difference Result 4764 states and 5385 transitions. [2020-10-28 11:59:09,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 11:59:09,303 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 337 [2020-10-28 11:59:09,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:09,313 INFO L225 Difference]: With dead ends: 4764 [2020-10-28 11:59:09,314 INFO L226 Difference]: Without dead ends: 2536 [2020-10-28 11:59:09,319 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=67, Invalid=173, Unknown=0, NotChecked=0, Total=240 [2020-10-28 11:59:09,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2536 states. [2020-10-28 11:59:09,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2536 to 2522. [2020-10-28 11:59:09,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2522 states. [2020-10-28 11:59:09,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2522 states to 2522 states and 2829 transitions. [2020-10-28 11:59:09,389 INFO L78 Accepts]: Start accepts. Automaton has 2522 states and 2829 transitions. Word has length 337 [2020-10-28 11:59:09,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:09,390 INFO L481 AbstractCegarLoop]: Abstraction has 2522 states and 2829 transitions. [2020-10-28 11:59:09,390 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 11:59:09,390 INFO L276 IsEmpty]: Start isEmpty. Operand 2522 states and 2829 transitions. [2020-10-28 11:59:09,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 410 [2020-10-28 11:59:09,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 11:59:09,403 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-10-28 11:59:09,403 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-28 11:59:09,404 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 11:59:09,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 11:59:09,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1359971352, now seen corresponding path program 1 times [2020-10-28 11:59:09,404 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 11:59:09,405 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1793172042] [2020-10-28 11:59:09,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 11:59:09,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:09,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:09,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 427 [2020-10-28 11:59:10,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 11:59:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 520 [2020-10-28 11:59:10,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 11:59:10,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 370 [2020-10-28 11:59:10,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 11:59:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:10,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 11:59:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:10,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 11:59:10,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:10,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 11:59:10,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:10,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:10,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:10,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-28 11:59:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:10,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-28 11:59:10,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:10,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 11:59:10,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,174 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:10,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:10,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:10,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-28 11:59:10,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:10,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-28 11:59:10,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:10,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 11:59:10,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:10,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:10,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:10,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-28 11:59:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:10,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-28 11:59:10,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:10,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 11:59:10,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,262 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 11:59:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:10,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 11:59:10,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:10,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-10-28 11:59:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 11:59:10,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 11:59:10,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 11:59:10,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-28 11:59:10,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 11:59:10,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-28 11:59:10,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 11:59:10,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 11:59:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 11:59:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 11:59:10,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 68 [2020-10-28 11:59:10,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 11:59:10,459 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 193 proven. 4 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2020-10-28 11:59:10,460 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1793172042] [2020-10-28 11:59:10,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 11:59:10,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-28 11:59:10,460 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259832823] [2020-10-28 11:59:10,462 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 11:59:10,462 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 11:59:10,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 11:59:10,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 11:59:10,463 INFO L87 Difference]: Start difference. First operand 2522 states and 2829 transitions. Second operand 5 states. [2020-10-28 11:59:11,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 11:59:11,355 INFO L93 Difference]: Finished difference Result 2526 states and 2833 transitions. [2020-10-28 11:59:11,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 11:59:11,361 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 409 [2020-10-28 11:59:11,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 11:59:11,362 INFO L225 Difference]: With dead ends: 2526 [2020-10-28 11:59:11,362 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 11:59:11,367 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 11:59:11,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 11:59:11,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 11:59:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 11:59:11,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 11:59:11,368 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 409 [2020-10-28 11:59:11,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 11:59:11,368 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 11:59:11,368 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 11:59:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 11:59:11,369 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 11:59:11,369 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-28 11:59:11,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 11:59:11,651 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2020-10-28 11:59:12,404 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 140 [2020-10-28 11:59:12,531 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 23 [2020-10-28 11:59:12,824 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 45 [2020-10-28 11:59:13,630 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 52 [2020-10-28 11:59:13,953 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2020-10-28 11:59:14,245 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 45 [2020-10-28 11:59:14,250 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-28 11:59:14,250 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-28 11:59:14,250 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-28 11:59:14,251 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-28 11:59:14,251 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:59:14,251 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)|)) [2020-10-28 11:59:14,251 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:59:14,251 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-28 11:59:14,251 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-28 11:59:14,251 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-28 11:59:14,252 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-28 11:59:14,252 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-28 11:59:14,252 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-28 11:59:14,252 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-28 11:59:14,252 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-28 11:59:14,252 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-28 11:59:14,252 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-28 11:59:14,252 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-28 11:59:14,252 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-28 11:59:14,253 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-28 11:59:14,253 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,253 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,253 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,253 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,253 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,253 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,253 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-28 11:59:14,253 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-28 11:59:14,254 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-28 11:59:14,254 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-28 11:59:14,254 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-28 11:59:14,254 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-28 11:59:14,254 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-28 11:59:14,254 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-28 11:59:14,254 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-28 11:59:14,254 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-28 11:59:14,254 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-28 11:59:14,255 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,255 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,255 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,255 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,255 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,255 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-28 11:59:14,255 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-28 11:59:14,255 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-28 11:59:14,255 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-28 11:59:14,256 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-28 11:59:14,256 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-28 11:59:14,256 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-28 11:59:14,256 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-28 11:59:14,256 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-28 11:59:14,256 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-28 11:59:14,256 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-28 11:59:14,256 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-28 11:59:14,256 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-28 11:59:14,257 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-28 11:59:14,257 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,257 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,257 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,257 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,257 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,257 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-28 11:59:14,257 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 11:59:14,257 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,258 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,259 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,259 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,259 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-28 11:59:14,259 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-28 11:59:14,259 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-28 11:59:14,259 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-28 11:59:14,259 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-28 11:59:14,259 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-28 11:59:14,259 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,260 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,261 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,261 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-28 11:59:14,261 INFO L270 CegarLoopResult]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (not (<= |old(~a19~0)| 9))) (.cse1 (not (<= |old(~a19~0)| 8)))) (and (or (not (<= 8 |old(~a19~0)|)) .cse0) (or .cse0 (= 2 |old(~a10~0)|)) (or .cse1 (not (<= |old(~a1~0)| 23))) (or .cse1 (not (<= |old(~a1~0)| 206)) (not (<= 118 |old(~a1~0)|))) (not (<= |old(~a10~0)| 1)))) [2020-10-28 11:59:14,261 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-28 11:59:14,261 INFO L274 CegarLoopResult]: For program point L150-1(line 150) no Hoare annotation was computed. [2020-10-28 11:59:14,261 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-28 11:59:14,261 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-28 11:59:14,262 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,262 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,262 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-28 11:59:14,262 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-28 11:59:14,262 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-28 11:59:14,262 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-28 11:59:14,262 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,262 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,262 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 11:59:14,263 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-28 11:59:14,264 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-28 11:59:14,264 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-28 11:59:14,264 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-28 11:59:14,264 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-28 11:59:14,264 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-28 11:59:14,264 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,264 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,264 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,264 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-28 11:59:14,265 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,266 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,267 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,267 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,267 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-28 11:59:14,267 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse4 (= ~a1~0 |old(~a1~0)|)) (.cse5 (= ~a10~0 |old(~a10~0)|))) (let ((.cse1 (and .cse4 (= ~a19~0 |old(~a19~0)|) .cse5)) (.cse0 (not (<= |old(~a19~0)| 8))) (.cse2 (not (<= 2 |old(~a10~0)|))) (.cse3 (not (<= |old(~a10~0)| 2)))) (and (or .cse0 (not (<= |old(~a1~0)| 206)) .cse1 .cse2 (not (<= 118 |old(~a1~0)|)) .cse3) (or .cse0 .cse1 (not (<= |old(~a1~0)| 23))) (or .cse0 .cse1 (= 2 |old(~a10~0)|)) (or (and (<= 9 ~a19~0) (<= ~a19~0 9) .cse4 .cse5) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a19~0)| 9))) (or .cse1 (not (<= |old(~a10~0)| 1))) (or .cse0 .cse2 (not (<= 8 |old(~a19~0)|)) .cse3 (and (<= 8 ~a19~0) (<= ~a19~0 8) .cse4 .cse5))))) [2020-10-28 11:59:14,267 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-28 11:59:14,267 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-28 11:59:14,267 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-28 11:59:14,268 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-28 11:59:14,269 INFO L274 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-28 11:59:14,270 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-28 11:59:14,271 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,272 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,273 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,273 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,273 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-28 11:59:14,273 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 11:59:14,273 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9) (<= ~a1~0 23)) [2020-10-28 11:59:14,273 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 11:59:14,273 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 11:59:14,273 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (and (<= 9 ~a19~0) (<= ~a19~0 9) (= ~a1~0 |old(~a1~0)|) (= ~a10~0 |old(~a10~0)|)) (not (<= 9 |old(~a19~0)|)) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|))) [2020-10-28 11:59:14,273 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:59:14,274 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse5 (= 0 |old(~a10~0)|))) (let ((.cse0 (or (<= (+ |old(~a1~0)| 13) 0) .cse5)) (.cse1 (<= ~a10~0 2)) (.cse2 (or (= |old(~a10~0)| 1) .cse5)) (.cse3 (<= ~a19~0 9)) (.cse4 (<= 2 ~a10~0))) (or (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= 8 ~a19~0) .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not .cse5) (<= ~a10~0 1) (and (not (= ~a10~0 2)) .cse3) (and (<= 118 ~a1~0) .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~a1~0 206)) (and (<= ~a19~0 8) (<= ~a1~0 23))))) [2020-10-28 11:59:14,274 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-28 11:59:14,274 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 11:59:14,274 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse5 (= 0 |old(~a10~0)|))) (let ((.cse0 (or (<= (+ |old(~a1~0)| 13) 0) .cse5)) (.cse1 (<= ~a10~0 2)) (.cse2 (or (= |old(~a10~0)| 1) .cse5)) (.cse3 (<= ~a19~0 9)) (.cse4 (<= 2 ~a10~0))) (or (not (<= 9 |old(~a19~0)|)) (and .cse0 (<= 8 ~a19~0) .cse1 .cse2 .cse3 .cse4) (not (<= |old(~a1~0)| 23)) (not (<= |old(~a19~0)| 9)) (not .cse5) (<= ~a10~0 1) (and (not (= ~a10~0 2)) .cse3) (and (<= 118 ~a1~0) .cse0 .cse1 .cse2 .cse3 .cse4 (<= ~a1~0 206)) (and (<= ~a19~0 8) (<= ~a1~0 23))))) [2020-10-28 11:59:14,274 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-28 11:59:14,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:59:14 BoogieIcfgContainer [2020-10-28 11:59:14,298 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 11:59:14,300 INFO L168 Benchmark]: Toolchain (without parser) took 72383.51 ms. Allocated memory was 151.0 MB in the beginning and 841.0 MB in the end (delta: 690.0 MB). Free memory was 125.3 MB in the beginning and 661.8 MB in the end (delta: -536.5 MB). Peak memory consumption was 501.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:14,301 INFO L168 Benchmark]: CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 11:59:14,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 744.61 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 98.0 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:14,302 INFO L168 Benchmark]: Boogie Preprocessor took 116.26 ms. Allocated memory is still 151.0 MB. Free memory was 98.0 MB in the beginning and 93.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:14,303 INFO L168 Benchmark]: RCFGBuilder took 1761.52 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 93.4 MB in the beginning and 142.4 MB in the end (delta: -49.1 MB). Peak memory consumption was 48.6 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:14,303 INFO L168 Benchmark]: TraceAbstraction took 69748.86 ms. Allocated memory was 181.4 MB in the beginning and 841.0 MB in the end (delta: 659.6 MB). Free memory was 141.9 MB in the beginning and 661.8 MB in the end (delta: -519.9 MB). Peak memory consumption was 487.2 MB. Max. memory is 8.0 GB. [2020-10-28 11:59:14,306 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71 ms. Allocated memory is still 151.0 MB. Free memory is still 124.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 744.61 ms. Allocated memory is still 151.0 MB. Free memory was 124.7 MB in the beginning and 98.0 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 116.26 ms. Allocated memory is still 151.0 MB. Free memory was 98.0 MB in the beginning and 93.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1761.52 ms. Allocated memory was 151.0 MB in the beginning and 181.4 MB in the end (delta: 30.4 MB). Free memory was 93.4 MB in the beginning and 142.4 MB in the end (delta: -49.1 MB). Peak memory consumption was 48.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 69748.86 ms. Allocated memory was 181.4 MB in the beginning and 841.0 MB in the end (delta: 659.6 MB). Free memory was 141.9 MB in the beginning and 661.8 MB in the end (delta: -519.9 MB). Peak memory consumption was 487.2 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: (((((((!(9 <= \old(a19)) || ((((((\old(a1) + 13 <= 0 || 0 == \old(a10)) && 8 <= a19) && a10 <= 2) && (\old(a10) == 1 || 0 == \old(a10))) && a19 <= 9) && 2 <= a10)) || !(\old(a1) <= 23)) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || a10 <= 1) || (!(a10 == 2) && a19 <= 9)) || ((((((118 <= a1 && (\old(a1) + 13 <= 0 || 0 == \old(a10))) && a10 <= 2) && (\old(a10) == 1 || 0 == \old(a10))) && a19 <= 9) && 2 <= a10) && a1 <= 206)) || (a19 <= 8 && a1 <= 23) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 66.7s, OverallIterations: 13, TraceHistogramMax: 5, AutomataDifference: 27.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 342 SDtfs, 5464 SDslu, 464 SDs, 0 SdLazy, 12087 SolverSat, 1508 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 19.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 223 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2522occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 13 MinimizatonAttempts, 584 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 335 PreInvPairs, 395 NumberOfFragments, 478 HoareAnnotationTreeSize, 335 FomulaSimplifications, 12067 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5060 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 36.3s InterpolantComputationTime, 3112 NumberOfCodeBlocks, 3112 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 3099 ConstructedInterpolants, 0 QuantifiedInterpolants, 2580460 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 2 PerfectInterpolantSequences, 2772/3017 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...