/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_label52.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 06:41:23,086 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 06:41:23,089 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 06:41:23,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 06:41:23,145 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 06:41:23,152 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 06:41:23,154 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 06:41:23,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 06:41:23,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 06:41:23,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 06:41:23,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 06:41:23,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 06:41:23,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 06:41:23,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 06:41:23,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 06:41:23,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 06:41:23,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 06:41:23,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 06:41:23,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 06:41:23,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 06:41:23,204 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 06:41:23,206 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 06:41:23,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 06:41:23,211 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 06:41:23,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 06:41:23,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 06:41:23,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 06:41:23,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 06:41:23,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 06:41:23,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 06:41:23,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 06:41:23,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 06:41:23,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 06:41:23,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 06:41:23,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 06:41:23,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 06:41:23,251 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 06:41:23,251 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 06:41:23,252 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 06:41:23,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 06:41:23,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 06:41:23,255 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 [2020-10-29 06:41:23,284 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 06:41:23,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 06:41:23,286 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 06:41:23,286 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 06:41:23,287 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 06:41:23,287 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 06:41:23,287 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 06:41:23,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 06:41:23,288 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 06:41:23,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 06:41:23,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 06:41:23,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 06:41:23,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 06:41:23,289 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 06:41:23,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 06:41:23,289 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 06:41:23,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 06:41:23,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 06:41:23,290 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 06:41:23,290 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 06:41:23,290 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 06:41:23,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 06:41:23,291 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 06:41:23,291 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 06:41:23,291 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 06:41:23,291 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 06:41:23,292 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 06:41:23,292 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 06:41:23,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 06:41:23,292 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 06:41:23,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 06:41:23,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 06:41:23,732 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 06:41:23,734 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 06:41:23,735 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 06:41:23,736 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-10-29 06:41:23,825 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2598d670c/e252d51f0bb24ae18a89206fc57dcd24/FLAG0d4983f79 [2020-10-29 06:41:24,696 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 06:41:24,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem10_label52.c [2020-10-29 06:41:24,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2598d670c/e252d51f0bb24ae18a89206fc57dcd24/FLAG0d4983f79 [2020-10-29 06:41:24,965 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/2598d670c/e252d51f0bb24ae18a89206fc57dcd24 [2020-10-29 06:41:24,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 06:41:24,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 06:41:24,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 06:41:24,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 06:41:24,989 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 06:41:24,990 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:41:24" (1/1) ... [2020-10-29 06:41:24,995 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efdc3ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:24, skipping insertion in model container [2020-10-29 06:41:24,995 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 06:41:24" (1/1) ... [2020-10-29 06:41:25,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 06:41:25,074 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 06:41:25,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:41:25,650 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 06:41:25,739 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 06:41:25,772 INFO L208 MainTranslator]: Completed translation [2020-10-29 06:41:25,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25 WrapperNode [2020-10-29 06:41:25,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 06:41:25,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 06:41:25,779 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 06:41:25,779 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 06:41:25,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25" (1/1) ... [2020-10-29 06:41:25,794 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25" (1/1) ... [2020-10-29 06:41:25,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25" (1/1) ... [2020-10-29 06:41:25,817 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25" (1/1) ... [2020-10-29 06:41:25,919 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25" (1/1) ... [2020-10-29 06:41:25,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25" (1/1) ... [2020-10-29 06:41:25,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25" (1/1) ... [2020-10-29 06:41:25,972 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 06:41:25,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 06:41:25,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 06:41:25,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 06:41:25,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25" (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 [2020-10-29 06:41:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 06:41:26,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 06:41:26,075 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 06:41:26,075 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-29 06:41:26,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 06:41:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-29 06:41:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 06:41:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 06:41:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 06:41:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 06:41:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-29 06:41:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 06:41:26,076 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 06:41:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 06:41:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 06:41:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 06:41:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 06:41:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 06:41:26,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 06:41:27,527 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 06:41:27,527 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-29 06:41:27,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:41:27 BoogieIcfgContainer [2020-10-29 06:41:27,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 06:41:27,538 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 06:41:27,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 06:41:27,542 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 06:41:27,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 06:41:24" (1/3) ... [2020-10-29 06:41:27,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca67485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:41:27, skipping insertion in model container [2020-10-29 06:41:27,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 06:41:25" (2/3) ... [2020-10-29 06:41:27,544 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ca67485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 06:41:27, skipping insertion in model container [2020-10-29 06:41:27,544 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 06:41:27" (3/3) ... [2020-10-29 06:41:27,545 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label52.c [2020-10-29 06:41:27,558 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 06:41:27,566 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 06:41:27,581 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 06:41:27,615 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 06:41:27,615 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 06:41:27,615 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 06:41:27,616 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 06:41:27,616 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 06:41:27,616 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 06:41:27,616 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 06:41:27,616 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 06:41:27,642 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states. [2020-10-29 06:41:27,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-29 06:41:27,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:27,653 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] [2020-10-29 06:41:27,654 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:27,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:27,662 INFO L82 PathProgramCache]: Analyzing trace with hash -2022545268, now seen corresponding path program 1 times [2020-10-29 06:41:27,673 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:27,674 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [469160244] [2020-10-29 06:41:27,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:27,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:28,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:28,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 58 [2020-10-29 06:41:28,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 631 [2020-10-29 06:41:28,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:28,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:28,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 06:41:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:41:28,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:28,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:28,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:28,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:28,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:28,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:28,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 06:41:28,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:28,755 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:28,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:28,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:28,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:28,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:41:28,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [469160244] [2020-10-29 06:41:28,783 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:41:28,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-29 06:41:28,784 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060985146] [2020-10-29 06:41:28,790 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:28,791 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:28,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:28,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:28,810 INFO L87 Difference]: Start difference. First operand 219 states. Second operand 5 states. [2020-10-29 06:41:31,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:31,046 INFO L93 Difference]: Finished difference Result 586 states and 1012 transitions. [2020-10-29 06:41:31,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:31,048 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-10-29 06:41:31,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:31,064 INFO L225 Difference]: With dead ends: 586 [2020-10-29 06:41:31,064 INFO L226 Difference]: Without dead ends: 303 [2020-10-29 06:41:31,072 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:31,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2020-10-29 06:41:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 299. [2020-10-29 06:41:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-10-29 06:41:31,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 396 transitions. [2020-10-29 06:41:31,165 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 396 transitions. Word has length 48 [2020-10-29 06:41:31,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:31,167 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 396 transitions. [2020-10-29 06:41:31,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:31,167 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 396 transitions. [2020-10-29 06:41:31,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-29 06:41:31,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:31,178 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:31,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 06:41:31,179 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:31,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:31,180 INFO L82 PathProgramCache]: Analyzing trace with hash 142672144, now seen corresponding path program 1 times [2020-10-29 06:41:31,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:31,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660814412] [2020-10-29 06:41:31,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:31,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:31,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:32,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:32,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-29 06:41:32,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:32,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 953 [2020-10-29 06:41:32,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:32,215 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 06:41:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-29 06:41:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:32,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:32,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:32,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:32,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:32,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:32,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-29 06:41:32,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:32,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:32,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:32,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:32,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:32,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:32,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:32,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:32,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:32,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:32,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:32,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 147 [2020-10-29 06:41:32,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:32,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:32,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:32,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:32,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:32,635 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-29 06:41:32,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660814412] [2020-10-29 06:41:32,636 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:32,636 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:32,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549354135] [2020-10-29 06:41:32,639 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:32,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:32,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:32,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:32,640 INFO L87 Difference]: Start difference. First operand 299 states and 396 transitions. Second operand 5 states. [2020-10-29 06:41:34,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:34,309 INFO L93 Difference]: Finished difference Result 596 states and 804 transitions. [2020-10-29 06:41:34,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:34,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 118 [2020-10-29 06:41:34,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:34,325 INFO L225 Difference]: With dead ends: 596 [2020-10-29 06:41:34,325 INFO L226 Difference]: Without dead ends: 593 [2020-10-29 06:41:34,327 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:34,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2020-10-29 06:41:34,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 444. [2020-10-29 06:41:34,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-10-29 06:41:34,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 621 transitions. [2020-10-29 06:41:34,400 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 621 transitions. Word has length 118 [2020-10-29 06:41:34,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:34,404 INFO L481 AbstractCegarLoop]: Abstraction has 444 states and 621 transitions. [2020-10-29 06:41:34,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:34,404 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 621 transitions. [2020-10-29 06:41:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-10-29 06:41:34,410 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:34,410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:34,410 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 06:41:34,410 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:34,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:34,415 INFO L82 PathProgramCache]: Analyzing trace with hash 197965852, now seen corresponding path program 1 times [2020-10-29 06:41:34,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:34,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [321907046] [2020-10-29 06:41:34,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:34,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:35,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:35,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:35,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-29 06:41:35,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:35,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1427 [2020-10-29 06:41:35,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:35,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:35,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 06:41:35,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:36,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:36,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:36,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:36,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:36,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:36,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:36,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 06:41:36,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:36,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:36,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:36,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:36,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:36,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:36,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:36,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 74 [2020-10-29 06:41:36,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:36,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 126 [2020-10-29 06:41:36,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:36,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:36,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:36,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:36,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:41:36,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:41:36,333 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [321907046] [2020-10-29 06:41:36,333 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 06:41:36,334 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 06:41:36,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700402713] [2020-10-29 06:41:36,336 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:41:36,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:36,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:41:36,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:41:36,339 INFO L87 Difference]: Start difference. First operand 444 states and 621 transitions. Second operand 8 states. [2020-10-29 06:41:38,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:38,483 INFO L93 Difference]: Finished difference Result 1198 states and 1703 transitions. [2020-10-29 06:41:38,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:41:38,484 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 121 [2020-10-29 06:41:38,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:38,490 INFO L225 Difference]: With dead ends: 1198 [2020-10-29 06:41:38,490 INFO L226 Difference]: Without dead ends: 760 [2020-10-29 06:41:38,492 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-10-29 06:41:38,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-10-29 06:41:38,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 742. [2020-10-29 06:41:38,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2020-10-29 06:41:38,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 968 transitions. [2020-10-29 06:41:38,527 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 968 transitions. Word has length 121 [2020-10-29 06:41:38,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:38,528 INFO L481 AbstractCegarLoop]: Abstraction has 742 states and 968 transitions. [2020-10-29 06:41:38,528 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:41:38,528 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 968 transitions. [2020-10-29 06:41:38,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-29 06:41:38,531 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:38,531 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:38,531 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 06:41:38,531 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:38,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:38,532 INFO L82 PathProgramCache]: Analyzing trace with hash 211600400, now seen corresponding path program 1 times [2020-10-29 06:41:38,532 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:38,532 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [960074921] [2020-10-29 06:41:38,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:38,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:38,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:39,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:39,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 139 [2020-10-29 06:41:39,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:39,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 562 [2020-10-29 06:41:39,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:39,129 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:39,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:41:39,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 06:41:39,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:39,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:39,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:39,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:39,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:39,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:39,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:41:39,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:39,239 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:39,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:39,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:39,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:39,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:39,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:39,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:39,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:41:39,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:39,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 06:41:39,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:39,341 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:39,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:39,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:39,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:41:39,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:39,382 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 39 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 06:41:39,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [960074921] [2020-10-29 06:41:39,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:39,384 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:41:39,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227081969] [2020-10-29 06:41:39,384 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:41:39,385 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:39,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:41:39,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:41:39,386 INFO L87 Difference]: Start difference. First operand 742 states and 968 transitions. Second operand 5 states. [2020-10-29 06:41:41,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:41,135 INFO L93 Difference]: Finished difference Result 1778 states and 2368 transitions. [2020-10-29 06:41:41,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:41:41,136 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 127 [2020-10-29 06:41:41,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:41,143 INFO L225 Difference]: With dead ends: 1778 [2020-10-29 06:41:41,143 INFO L226 Difference]: Without dead ends: 1042 [2020-10-29 06:41:41,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-29 06:41:41,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1042 states. [2020-10-29 06:41:41,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1042 to 1036. [2020-10-29 06:41:41,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1036 states. [2020-10-29 06:41:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1036 states to 1036 states and 1269 transitions. [2020-10-29 06:41:41,184 INFO L78 Accepts]: Start accepts. Automaton has 1036 states and 1269 transitions. Word has length 127 [2020-10-29 06:41:41,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:41,185 INFO L481 AbstractCegarLoop]: Abstraction has 1036 states and 1269 transitions. [2020-10-29 06:41:41,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:41:41,185 INFO L276 IsEmpty]: Start isEmpty. Operand 1036 states and 1269 transitions. [2020-10-29 06:41:41,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2020-10-29 06:41:41,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:41,189 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, 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] [2020-10-29 06:41:41,189 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 06:41:41,190 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:41,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:41,190 INFO L82 PathProgramCache]: Analyzing trace with hash 388940140, now seen corresponding path program 1 times [2020-10-29 06:41:41,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:41,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383777116] [2020-10-29 06:41:41,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:41,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:41,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:41,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:42,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:42,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:42,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:42,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-29 06:41:42,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:42,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1658 [2020-10-29 06:41:42,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:42,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:41:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 138 [2020-10-29 06:41:42,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:43,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:43,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:43,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:43,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:43,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:43,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 06:41:43,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:43,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:43,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:43,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:43,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:43,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:43,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:43,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:43,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:43,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:41:43,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:43,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 06:41:43,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:43,109 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:43,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:43,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:41:43,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:43,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:41:43,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:43,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:43,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:43,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:43,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-29 06:41:43,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:41:43,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-29 06:41:43,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:43,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:43,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:43,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:43,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-29 06:41:43,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2020-10-29 06:41:43,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383777116] [2020-10-29 06:41:43,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:43,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:43,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781654824] [2020-10-29 06:41:43,480 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:43,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:43,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:43,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:43,481 INFO L87 Difference]: Start difference. First operand 1036 states and 1269 transitions. Second operand 7 states. [2020-10-29 06:41:46,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:46,173 INFO L93 Difference]: Finished difference Result 2656 states and 3414 transitions. [2020-10-29 06:41:46,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 06:41:46,174 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2020-10-29 06:41:46,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:46,184 INFO L225 Difference]: With dead ends: 2656 [2020-10-29 06:41:46,185 INFO L226 Difference]: Without dead ends: 1626 [2020-10-29 06:41:46,188 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-10-29 06:41:46,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1626 states. [2020-10-29 06:41:46,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1626 to 1475. [2020-10-29 06:41:46,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1475 states. [2020-10-29 06:41:46,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1475 states and 1811 transitions. [2020-10-29 06:41:46,247 INFO L78 Accepts]: Start accepts. Automaton has 1475 states and 1811 transitions. Word has length 208 [2020-10-29 06:41:46,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:46,248 INFO L481 AbstractCegarLoop]: Abstraction has 1475 states and 1811 transitions. [2020-10-29 06:41:46,248 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:46,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1811 transitions. [2020-10-29 06:41:46,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-29 06:41:46,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:46,255 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:46,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 06:41:46,255 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:46,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:46,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1518670648, now seen corresponding path program 1 times [2020-10-29 06:41:46,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:46,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [204807777] [2020-10-29 06:41:46,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:46,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:46,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:46,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:50,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:51,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:51,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 258 [2020-10-29 06:41:51,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 06:41:51,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5026 [2020-10-29 06:41:51,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:51,325 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 87 [2020-10-29 06:41:51,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 122 [2020-10-29 06:41:51,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:51,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:51,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:51,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:51,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:51,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:51,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 06:41:51,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:51,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:51,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:51,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:51,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:51,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:51,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:51,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 78 [2020-10-29 06:41:51,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:51,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 06:41:51,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:51,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:51,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:51,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:51,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-29 06:41:51,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:41:51,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-29 06:41:51,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:51,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:51,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:51,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:41:51,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:51,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 179 [2020-10-29 06:41:51,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:51,849 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:51,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:51,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:51,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 06:41:51,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:52,079 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 154 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 06:41:52,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [204807777] [2020-10-29 06:41:52,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:52,081 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:52,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846166047] [2020-10-29 06:41:52,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:52,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:52,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:52,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:52,089 INFO L87 Difference]: Start difference. First operand 1475 states and 1811 transitions. Second operand 7 states. [2020-10-29 06:41:54,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:54,236 INFO L93 Difference]: Finished difference Result 3123 states and 3886 transitions. [2020-10-29 06:41:54,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:41:54,237 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 244 [2020-10-29 06:41:54,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:54,249 INFO L225 Difference]: With dead ends: 3123 [2020-10-29 06:41:54,249 INFO L226 Difference]: Without dead ends: 1654 [2020-10-29 06:41:54,253 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:41:54,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2020-10-29 06:41:54,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1344. [2020-10-29 06:41:54,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1344 states. [2020-10-29 06:41:54,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1344 states to 1344 states and 1646 transitions. [2020-10-29 06:41:54,307 INFO L78 Accepts]: Start accepts. Automaton has 1344 states and 1646 transitions. Word has length 244 [2020-10-29 06:41:54,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:54,308 INFO L481 AbstractCegarLoop]: Abstraction has 1344 states and 1646 transitions. [2020-10-29 06:41:54,308 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:54,308 INFO L276 IsEmpty]: Start isEmpty. Operand 1344 states and 1646 transitions. [2020-10-29 06:41:54,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-29 06:41:54,314 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:54,314 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, 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, 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] [2020-10-29 06:41:54,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 06:41:54,315 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:54,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:54,315 INFO L82 PathProgramCache]: Analyzing trace with hash 270202316, now seen corresponding path program 1 times [2020-10-29 06:41:54,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:54,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066428664] [2020-10-29 06:41:54,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:54,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:54,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:56,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:57,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:57,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 268 [2020-10-29 06:41:57,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:41:57,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3097 [2020-10-29 06:41:57,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:57,454 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:57,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:41:57,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-29 06:41:57,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 93 [2020-10-29 06:41:57,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:57,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:41:57,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:57,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:57,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:57,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:41:57,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:57,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 06:41:57,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:57,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:57,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:41:57,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:41:57,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-29 06:41:57,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:57,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:41:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:57,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:57,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:57,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:41:57,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:57,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-29 06:41:57,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:57,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:41:57,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:41:57,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:41:57,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:57,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-29 06:41:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:57,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:41:57,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:41:57,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:41:57,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:41:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 06:41:57,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:41:57,942 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:41:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:41:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 06:41:57,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:41:57,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:41:58,052 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 80 proven. 82 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-29 06:41:58,053 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066428664] [2020-10-29 06:41:58,053 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:41:58,053 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:41:58,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970133503] [2020-10-29 06:41:58,054 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:41:58,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:41:58,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:41:58,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:41:58,056 INFO L87 Difference]: Start difference. First operand 1344 states and 1646 transitions. Second operand 7 states. [2020-10-29 06:41:59,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:41:59,812 INFO L93 Difference]: Finished difference Result 2855 states and 3505 transitions. [2020-10-29 06:41:59,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-29 06:41:59,812 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 254 [2020-10-29 06:41:59,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:41:59,821 INFO L225 Difference]: With dead ends: 2855 [2020-10-29 06:41:59,821 INFO L226 Difference]: Without dead ends: 1517 [2020-10-29 06:41:59,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-29 06:41:59,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1517 states. [2020-10-29 06:41:59,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1517 to 1491. [2020-10-29 06:41:59,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2020-10-29 06:41:59,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 1807 transitions. [2020-10-29 06:41:59,883 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 1807 transitions. Word has length 254 [2020-10-29 06:41:59,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:41:59,883 INFO L481 AbstractCegarLoop]: Abstraction has 1491 states and 1807 transitions. [2020-10-29 06:41:59,884 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:41:59,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 1807 transitions. [2020-10-29 06:41:59,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2020-10-29 06:41:59,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:41:59,891 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:41:59,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 06:41:59,892 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:41:59,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:41:59,892 INFO L82 PathProgramCache]: Analyzing trace with hash -2122844336, now seen corresponding path program 1 times [2020-10-29 06:41:59,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:41:59,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096509818] [2020-10-29 06:41:59,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:41:59,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:41:59,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:00,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:01,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:01,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-29 06:42:01,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:42:01,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1763 [2020-10-29 06:42:01,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:01,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:01,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:01,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 80 [2020-10-29 06:42:01,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 06:42:01,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:01,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:01,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:01,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:01,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:01,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:01,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 06:42:01,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:01,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:01,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:01,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:01,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:01,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:01,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:01,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 06:42:01,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:01,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-29 06:42:01,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:01,909 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:01,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:01,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:01,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 65 [2020-10-29 06:42:01,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:01,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-29 06:42:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:01,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:02,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:02,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:42:02,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:02,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 139 [2020-10-29 06:42:02,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:02,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:02,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:02,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:02,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:42:02,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 06:42:02,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-29 06:42:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:02,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:02,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:02,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:42:02,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:02,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 06:42:02,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:02,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:02,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 06:42:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:02,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:02,450 INFO L134 CoverageAnalysis]: Checked inductivity of 347 backedges. 191 proven. 86 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2020-10-29 06:42:02,451 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096509818] [2020-10-29 06:42:02,451 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:02,451 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-29 06:42:02,451 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293456845] [2020-10-29 06:42:02,452 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 06:42:02,452 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:02,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 06:42:02,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-29 06:42:02,453 INFO L87 Difference]: Start difference. First operand 1491 states and 1807 transitions. Second operand 7 states. [2020-10-29 06:42:05,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:05,106 INFO L93 Difference]: Finished difference Result 2996 states and 3648 transitions. [2020-10-29 06:42:05,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 06:42:05,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 324 [2020-10-29 06:42:05,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:05,115 INFO L225 Difference]: With dead ends: 2996 [2020-10-29 06:42:05,116 INFO L226 Difference]: Without dead ends: 1654 [2020-10-29 06:42:05,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-10-29 06:42:05,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2020-10-29 06:42:05,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1499. [2020-10-29 06:42:05,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1499 states. [2020-10-29 06:42:05,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 1725 transitions. [2020-10-29 06:42:05,172 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 1725 transitions. Word has length 324 [2020-10-29 06:42:05,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:05,173 INFO L481 AbstractCegarLoop]: Abstraction has 1499 states and 1725 transitions. [2020-10-29 06:42:05,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 06:42:05,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1725 transitions. [2020-10-29 06:42:05,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-10-29 06:42:05,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:05,182 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:42:05,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 06:42:05,182 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:05,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:05,183 INFO L82 PathProgramCache]: Analyzing trace with hash 461011536, now seen corresponding path program 1 times [2020-10-29 06:42:05,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:05,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377432388] [2020-10-29 06:42:05,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:05,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:05,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:05,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:05,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:06,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:09,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:09,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 349 [2020-10-29 06:42:09,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 06:42:09,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4325 [2020-10-29 06:42:09,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:09,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 06:42:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-10-29 06:42:09,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 211 [2020-10-29 06:42:09,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:09,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:09,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:09,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:09,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:09,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:09,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:42:09,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:09,689 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:09,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:09,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:09,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:09,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 06:42:09,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:09,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-10-29 06:42:09,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:09,776 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:09,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 06:42:09,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:09,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-29 06:42:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:09,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:09,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:10,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:10,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:42:10,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:42:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 256 [2020-10-29 06:42:10,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:10,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:10,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:42:10,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 06:42:10,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-29 06:42:10,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:10,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:10,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:10,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:42:10,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 176 [2020-10-29 06:42:10,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:10,330 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:10,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:10,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:10,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-29 06:42:10,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:10,646 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 274 proven. 4 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2020-10-29 06:42:10,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [377432388] [2020-10-29 06:42:10,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:10,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:42:10,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086991957] [2020-10-29 06:42:10,648 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:42:10,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:10,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:42:10,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:42:10,656 INFO L87 Difference]: Start difference. First operand 1499 states and 1725 transitions. Second operand 8 states. [2020-10-29 06:42:13,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:13,546 INFO L93 Difference]: Finished difference Result 3872 states and 4459 transitions. [2020-10-29 06:42:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 06:42:13,547 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 333 [2020-10-29 06:42:13,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:13,557 INFO L225 Difference]: With dead ends: 3872 [2020-10-29 06:42:13,557 INFO L226 Difference]: Without dead ends: 1924 [2020-10-29 06:42:13,563 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-29 06:42:13,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1924 states. [2020-10-29 06:42:13,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1924 to 1487. [2020-10-29 06:42:13,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1487 states. [2020-10-29 06:42:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1487 states to 1487 states and 1639 transitions. [2020-10-29 06:42:13,611 INFO L78 Accepts]: Start accepts. Automaton has 1487 states and 1639 transitions. Word has length 333 [2020-10-29 06:42:13,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:13,612 INFO L481 AbstractCegarLoop]: Abstraction has 1487 states and 1639 transitions. [2020-10-29 06:42:13,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:42:13,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1487 states and 1639 transitions. [2020-10-29 06:42:13,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 370 [2020-10-29 06:42:13,620 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:13,621 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 06:42:13,621 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 06:42:13,621 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:13,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:13,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1204031480, now seen corresponding path program 1 times [2020-10-29 06:42:13,622 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:13,622 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130817311] [2020-10-29 06:42:13,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:13,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:13,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:15,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:16,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:16,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 385 [2020-10-29 06:42:16,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 06:42:16,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3155 [2020-10-29 06:42:16,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:16,890 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 125 [2020-10-29 06:42:16,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-29 06:42:16,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:17,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:17,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:17,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:17,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:17,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:17,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 06:42:17,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:17,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:17,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:17,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:17,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:17,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:17,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:17,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:17,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 116 [2020-10-29 06:42:17,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 87 [2020-10-29 06:42:17,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:17,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-29 06:42:17,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:17,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-29 06:42:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:17,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:17,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:17,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:42:17,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:17,389 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 129 [2020-10-29 06:42:17,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:17,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:17,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 06:42:17,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 88 [2020-10-29 06:42:17,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:17,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-29 06:42:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:17,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:17,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:17,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:42:17,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:17,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 59 [2020-10-29 06:42:17,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:17,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:17,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 117 [2020-10-29 06:42:17,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:17,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 208 proven. 86 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-10-29 06:42:17,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130817311] [2020-10-29 06:42:17,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:17,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 06:42:17,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788641767] [2020-10-29 06:42:17,758 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 06:42:17,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:17,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 06:42:17,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 06:42:17,759 INFO L87 Difference]: Start difference. First operand 1487 states and 1639 transitions. Second operand 8 states. [2020-10-29 06:42:19,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:19,898 INFO L93 Difference]: Finished difference Result 3427 states and 3847 transitions. [2020-10-29 06:42:19,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-29 06:42:19,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 369 [2020-10-29 06:42:19,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:19,908 INFO L225 Difference]: With dead ends: 3427 [2020-10-29 06:42:19,909 INFO L226 Difference]: Without dead ends: 2089 [2020-10-29 06:42:19,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-29 06:42:19,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2089 states. [2020-10-29 06:42:19,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2089 to 2085. [2020-10-29 06:42:19,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2085 states. [2020-10-29 06:42:19,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 2085 states and 2295 transitions. [2020-10-29 06:42:19,971 INFO L78 Accepts]: Start accepts. Automaton has 2085 states and 2295 transitions. Word has length 369 [2020-10-29 06:42:19,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:19,971 INFO L481 AbstractCegarLoop]: Abstraction has 2085 states and 2295 transitions. [2020-10-29 06:42:19,972 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 06:42:19,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2295 transitions. [2020-10-29 06:42:19,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2020-10-29 06:42:19,981 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 06:42:19,981 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, 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, 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, 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] [2020-10-29 06:42:19,982 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 06:42:19,982 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 06:42:19,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 06:42:19,983 INFO L82 PathProgramCache]: Analyzing trace with hash -1970346288, now seen corresponding path program 1 times [2020-10-29 06:42:19,983 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 06:42:19,983 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460655803] [2020-10-29 06:42:19,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 06:42:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:20,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:20,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:21,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:21,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 404 [2020-10-29 06:42:21,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 06:42:21,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1176 [2020-10-29 06:42:21,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:21,236 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 06:42:21,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 354 [2020-10-29 06:42:21,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 46 [2020-10-29 06:42:21,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:21,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 06:42:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:21,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:21,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:21,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 06:42:21,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:21,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 06:42:21,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:21,393 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:21,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:21,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:21,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-29 06:42:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:21,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:21,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:21,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-29 06:42:21,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:21,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 06:42:21,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:21,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:21,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:21,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:21,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-29 06:42:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:21,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:21,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:21,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-29 06:42:21,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:21,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 06:42:21,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:21,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 06:42:21,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:21,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 06:42:21,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:21,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-29 06:42:21,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 06:42:21,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 06:42:21,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 06:42:21,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-29 06:42:21,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 06:42:21,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 93 [2020-10-29 06:42:21,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 06:42:21,670 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 06:42:21,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 06:42:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 06:42:21,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-29 06:42:21,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 06:42:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 123 proven. 3 refuted. 0 times theorem prover too weak. 287 trivial. 0 not checked. [2020-10-29 06:42:21,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460655803] [2020-10-29 06:42:21,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 06:42:21,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-29 06:42:21,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314080505] [2020-10-29 06:42:21,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-29 06:42:21,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 06:42:21,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-29 06:42:21,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-29 06:42:21,780 INFO L87 Difference]: Start difference. First operand 2085 states and 2295 transitions. Second operand 5 states. [2020-10-29 06:42:23,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 06:42:23,226 INFO L93 Difference]: Finished difference Result 2087 states and 2297 transitions. [2020-10-29 06:42:23,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 06:42:23,228 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 388 [2020-10-29 06:42:23,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 06:42:23,228 INFO L225 Difference]: With dead ends: 2087 [2020-10-29 06:42:23,229 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 06:42:23,232 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 [2020-10-29 06:42:23,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 06:42:23,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 06:42:23,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 06:42:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 06:42:23,233 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2020-10-29 06:42:23,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 06:42:23,234 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 06:42:23,234 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-29 06:42:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 06:42:23,234 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 06:42:23,234 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 06:42:23,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 06:42:23,511 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2020-10-29 06:42:24,170 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 127 [2020-10-29 06:42:24,573 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2020-10-29 06:42:25,468 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 47 [2020-10-29 06:42:25,775 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 30 [2020-10-29 06:42:26,103 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 33 [2020-10-29 06:42:26,108 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-29 06:42:26,108 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-29 06:42:26,108 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-29 06:42:26,108 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-29 06:42:26,108 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:42:26,109 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)|)) [2020-10-29 06:42:26,109 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:42:26,109 INFO L274 CegarLoopResult]: For program point L531(lines 531 574) no Hoare annotation was computed. [2020-10-29 06:42:26,109 INFO L274 CegarLoopResult]: For program point L432(lines 432 574) no Hoare annotation was computed. [2020-10-29 06:42:26,109 INFO L274 CegarLoopResult]: For program point L267(lines 267 574) no Hoare annotation was computed. [2020-10-29 06:42:26,109 INFO L274 CegarLoopResult]: For program point L201(line 201) no Hoare annotation was computed. [2020-10-29 06:42:26,109 INFO L274 CegarLoopResult]: For program point L168(line 168) no Hoare annotation was computed. [2020-10-29 06:42:26,109 INFO L274 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-10-29 06:42:26,110 INFO L274 CegarLoopResult]: For program point L102(line 102) no Hoare annotation was computed. [2020-10-29 06:42:26,110 INFO L274 CegarLoopResult]: For program point L69(line 69) no Hoare annotation was computed. [2020-10-29 06:42:26,110 INFO L274 CegarLoopResult]: For program point L36(line 36) no Hoare annotation was computed. [2020-10-29 06:42:26,110 INFO L274 CegarLoopResult]: For program point L565(lines 565 574) no Hoare annotation was computed. [2020-10-29 06:42:26,110 INFO L274 CegarLoopResult]: For program point L400(lines 400 574) no Hoare annotation was computed. [2020-10-29 06:42:26,110 INFO L274 CegarLoopResult]: For program point L367(lines 367 574) no Hoare annotation was computed. [2020-10-29 06:42:26,110 INFO L274 CegarLoopResult]: For program point L467(lines 467 574) no Hoare annotation was computed. [2020-10-29 06:42:26,110 INFO L274 CegarLoopResult]: For program point L203-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,111 INFO L274 CegarLoopResult]: For program point L170-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,111 INFO L274 CegarLoopResult]: For program point L137-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,111 INFO L274 CegarLoopResult]: For program point L104-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,111 INFO L274 CegarLoopResult]: For program point L71-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,111 INFO L274 CegarLoopResult]: For program point L38-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,111 INFO L274 CegarLoopResult]: For program point L501(lines 501 574) no Hoare annotation was computed. [2020-10-29 06:42:26,111 INFO L274 CegarLoopResult]: For program point L303(lines 303 574) no Hoare annotation was computed. [2020-10-29 06:42:26,111 INFO L274 CegarLoopResult]: For program point L204(line 204) no Hoare annotation was computed. [2020-10-29 06:42:26,111 INFO L274 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2020-10-29 06:42:26,112 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-29 06:42:26,112 INFO L274 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-10-29 06:42:26,112 INFO L274 CegarLoopResult]: For program point L72(line 72) no Hoare annotation was computed. [2020-10-29 06:42:26,112 INFO L274 CegarLoopResult]: For program point L39(line 39) no Hoare annotation was computed. [2020-10-29 06:42:26,112 INFO L274 CegarLoopResult]: For program point L337(lines 337 574) no Hoare annotation was computed. [2020-10-29 06:42:26,112 INFO L274 CegarLoopResult]: For program point L238(lines 238 574) no Hoare annotation was computed. [2020-10-29 06:42:26,112 INFO L274 CegarLoopResult]: For program point L536(lines 536 574) no Hoare annotation was computed. [2020-10-29 06:42:26,112 INFO L274 CegarLoopResult]: For program point L173-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,112 INFO L274 CegarLoopResult]: For program point L140-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L107-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L74-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L41-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L438(lines 438 574) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L405(lines 405 574) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L372(lines 372 574) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L273(lines 273 574) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L174(line 174) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-10-29 06:42:26,113 INFO L274 CegarLoopResult]: For program point L108(line 108) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L75(line 75) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L42(line 42) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L571(lines 571 574) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L241(lines 241 574) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L506(lines 506 574) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L473(lines 473 574) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L308(lines 308 574) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L176-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L143-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,114 INFO L274 CegarLoopResult]: For program point L110-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L77-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L44-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L342(lines 342 574) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L78(line 78) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L45(line 45) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L542(lines 542 574) no Hoare annotation was computed. [2020-10-29 06:42:26,115 INFO L274 CegarLoopResult]: For program point L410(lines 410 574) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L377(lines 377 574) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L212(lines 212 574) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L179-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L146-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L113-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L80-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L47-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L444(lines 444 574) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L279(lines 279 574) no Hoare annotation was computed. [2020-10-29 06:42:26,116 INFO L274 CegarLoopResult]: For program point L246(lines 246 574) no Hoare annotation was computed. [2020-10-29 06:42:26,117 INFO L274 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-10-29 06:42:26,117 INFO L274 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-10-29 06:42:26,117 INFO L274 CegarLoopResult]: For program point L114(line 114) no Hoare annotation was computed. [2020-10-29 06:42:26,117 INFO L274 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-10-29 06:42:26,117 INFO L274 CegarLoopResult]: For program point L48(line 48) no Hoare annotation was computed. [2020-10-29 06:42:26,117 INFO L274 CegarLoopResult]: For program point L511(lines 511 574) no Hoare annotation was computed. [2020-10-29 06:42:26,117 INFO L274 CegarLoopResult]: For program point L478(lines 478 574) no Hoare annotation was computed. [2020-10-29 06:42:26,117 INFO L274 CegarLoopResult]: For program point L380(lines 380 574) no Hoare annotation was computed. [2020-10-29 06:42:26,117 INFO L274 CegarLoopResult]: For program point L347(lines 347 574) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L314(lines 314 574) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L182-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L149-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L116-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L83-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L50-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L117(line 117) no Hoare annotation was computed. [2020-10-29 06:42:26,118 INFO L274 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-10-29 06:42:26,119 INFO L274 CegarLoopResult]: For program point L51(line 51) no Hoare annotation was computed. [2020-10-29 06:42:26,119 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,119 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,119 INFO L274 CegarLoopResult]: For program point L547(lines 547 574) no Hoare annotation was computed. [2020-10-29 06:42:26,119 INFO L274 CegarLoopResult]: For program point L217(lines 217 574) no Hoare annotation was computed. [2020-10-29 06:42:26,119 INFO L274 CegarLoopResult]: For program point L416(lines 416 574) no Hoare annotation was computed. [2020-10-29 06:42:26,119 INFO L274 CegarLoopResult]: For program point L251(lines 251 574) no Hoare annotation was computed. [2020-10-29 06:42:26,119 INFO L274 CegarLoopResult]: For program point L185-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,119 INFO L274 CegarLoopResult]: For program point L152-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,120 INFO L274 CegarLoopResult]: For program point L119-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,120 INFO L274 CegarLoopResult]: For program point L86-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,120 INFO L274 CegarLoopResult]: For program point L53-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,122 INFO L274 CegarLoopResult]: For program point L516(lines 516 574) no Hoare annotation was computed. [2020-10-29 06:42:26,122 INFO L274 CegarLoopResult]: For program point L483(lines 483 574) no Hoare annotation was computed. [2020-10-29 06:42:26,122 INFO L274 CegarLoopResult]: For program point L450(lines 450 574) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L285(lines 285 574) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L54(line 54) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L550(lines 550 574) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L385(lines 385 574) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L319(lines 319 574) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L353(lines 353 574) no Hoare annotation was computed. [2020-10-29 06:42:26,123 INFO L274 CegarLoopResult]: For program point L188-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L155-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L122-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L89-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L23(lines 23 25) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L56-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L23-2(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L519(lines 519 574) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L288(lines 288 574) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L222(lines 222 574) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-10-29 06:42:26,124 INFO L274 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L24(line 24) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L421(lines 421 574) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L322(lines 322 574) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L256(lines 256 574) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L356(lines 356 574) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L191-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L158-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,125 INFO L274 CegarLoopResult]: For program point L125-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,126 INFO L274 CegarLoopResult]: For program point L92-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,126 INFO L274 CegarLoopResult]: For program point L59-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,126 INFO L274 CegarLoopResult]: For program point L26-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,126 INFO L274 CegarLoopResult]: For program point L489(lines 489 574) no Hoare annotation was computed. [2020-10-29 06:42:26,126 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 22 576) the Hoare annotation is: (let ((.cse3 (= ~a1~0 |old(~a1~0)|)) (.cse4 (= ~a10~0 |old(~a10~0)|))) (let ((.cse0 (and .cse3 (= ~a19~0 |old(~a19~0)|) .cse4)) (.cse2 (not (<= |old(~a19~0)| 9))) (.cse1 (not (<= 2 |old(~a10~0)|)))) (and (or .cse0 .cse1 .cse2 (not (<= |old(~a10~0)| 2))) (or (and (<= 9 ~a19~0) (<= ~a19~0 9) .cse3 .cse4) (not (= 9 |old(~a19~0)|)) .cse1) (or .cse0 (not (= |old(~a10~0)| 1))) (or .cse0 (not (= 0 |old(~a10~0)|))) (or (not (<= 4 |old(~a10~0)|)) .cse0 .cse2) (or (not (= 6 |old(~a19~0)|)) .cse1 (and .cse3 (= ~a19~0 6) .cse4))))) [2020-10-29 06:42:26,126 INFO L274 CegarLoopResult]: For program point L456(lines 456 574) no Hoare annotation was computed. [2020-10-29 06:42:26,126 INFO L274 CegarLoopResult]: For program point L390(lines 390 574) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L60(line 60) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L27(line 27) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L556(lines 556 574) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L325(lines 325 574) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L359(lines 359 574) no Hoare annotation was computed. [2020-10-29 06:42:26,127 INFO L274 CegarLoopResult]: For program point L293(lines 293 574) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L227(lines 227 574) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L194-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L161-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L128-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L95-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L62-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L29-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L525(lines 525 574) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-29 06:42:26,128 INFO L274 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2020-10-29 06:42:26,129 INFO L270 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (let ((.cse1 (not (<= |old(~a19~0)| 9))) (.cse0 (not (<= 2 |old(~a10~0)|)))) (and (or (not (= 9 |old(~a19~0)|)) .cse0) (or .cse0 .cse1 (not (<= |old(~a10~0)| 2))) (not (= |old(~a10~0)| 1)) (or (not (<= 4 |old(~a10~0)|)) .cse1) (not (= 0 |old(~a10~0)|)) (or (not (= 6 |old(~a19~0)|)) .cse0))) [2020-10-29 06:42:26,129 INFO L274 CegarLoopResult]: For program point L96(line 96) no Hoare annotation was computed. [2020-10-29 06:42:26,129 INFO L274 CegarLoopResult]: For program point L129-1(line 129) no Hoare annotation was computed. [2020-10-29 06:42:26,129 INFO L274 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-10-29 06:42:26,129 INFO L274 CegarLoopResult]: For program point L30(line 30) no Hoare annotation was computed. [2020-10-29 06:42:26,129 INFO L274 CegarLoopResult]: For program point L559(lines 559 574) no Hoare annotation was computed. [2020-10-29 06:42:26,129 INFO L274 CegarLoopResult]: For program point L427(lines 427 574) no Hoare annotation was computed. [2020-10-29 06:42:26,129 INFO L274 CegarLoopResult]: For program point L328(lines 328 574) no Hoare annotation was computed. [2020-10-29 06:42:26,129 INFO L274 CegarLoopResult]: For program point L262(lines 262 574) no Hoare annotation was computed. [2020-10-29 06:42:26,129 INFO L274 CegarLoopResult]: For program point L395(lines 395 574) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L362(lines 362 574) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L197-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L164-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L131-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L98-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L65-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L32-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L528(lines 528 574) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L495(lines 495 574) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L462(lines 462 574) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L198(line 198) no Hoare annotation was computed. [2020-10-29 06:42:26,130 INFO L274 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L99(line 99) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L33(line 33) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L331(lines 331 574) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L298(lines 298 574) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L233(lines 233 574) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L200-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L167-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L134-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,131 INFO L274 CegarLoopResult]: For program point L101-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,132 INFO L274 CegarLoopResult]: For program point L68-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,132 INFO L274 CegarLoopResult]: For program point L35-1(lines 22 576) no Hoare annotation was computed. [2020-10-29 06:42:26,132 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 06:42:26,132 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 9 ~a19~0) (= ~a10~0 0) (<= ~a19~0 9) (= 23 ~a1~0)) [2020-10-29 06:42:26,132 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 06:42:26,132 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 06:42:26,132 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 578 594) the Hoare annotation is: (or (not (<= 9 |old(~a19~0)|)) (and (<= 9 ~a19~0) (<= ~a19~0 9) (= 23 ~a1~0) (= ~a10~0 |old(~a10~0)|)) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (not (= 23 |old(~a1~0)|))) [2020-10-29 06:42:26,132 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:42:26,132 INFO L270 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (let ((.cse0 (<= 2 ~a10~0)) (.cse1 (<= ~a19~0 9))) (or (= ~a10~0 1) (not (<= 9 |old(~a19~0)|)) (and (= ~a19~0 |old(~a19~0)|) .cse0) (= ~a10~0 0) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 6) .cse0) (and (<= ~a10~0 2) .cse1 .cse0) (and (<= 4 ~a10~0) .cse1) (not (= 23 |old(~a1~0)|)))) [2020-10-29 06:42:26,133 INFO L274 CegarLoopResult]: For program point L592-1(line 592) no Hoare annotation was computed. [2020-10-29 06:42:26,133 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-29 06:42:26,133 INFO L270 CegarLoopResult]: At program point L584-2(lines 584 593) the Hoare annotation is: (let ((.cse0 (<= 2 ~a10~0)) (.cse1 (<= ~a19~0 9))) (or (= ~a10~0 1) (not (<= 9 |old(~a19~0)|)) (and (= ~a19~0 |old(~a19~0)|) .cse0) (= ~a10~0 0) (not (<= |old(~a19~0)| 9)) (not (= 0 |old(~a10~0)|)) (and (= ~a19~0 6) .cse0) (and (<= ~a10~0 2) .cse1 .cse0) (and (<= 4 ~a10~0) .cse1) (not (= 23 |old(~a1~0)|)))) [2020-10-29 06:42:26,133 INFO L274 CegarLoopResult]: For program point L584-3(lines 578 594) no Hoare annotation was computed. [2020-10-29 06:42:26,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 06:42:26 BoogieIcfgContainer [2020-10-29 06:42:26,157 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 06:42:26,159 INFO L168 Benchmark]: Toolchain (without parser) took 61184.90 ms. Allocated memory was 151.0 MB in the beginning and 859.8 MB in the end (delta: 708.8 MB). Free memory was 124.7 MB in the beginning and 390.5 MB in the end (delta: -265.8 MB). Peak memory consumption was 443.7 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:26,160 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 06:42:26,162 INFO L168 Benchmark]: CACSL2BoogieTranslator took 791.49 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 97.5 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:26,163 INFO L168 Benchmark]: Boogie Preprocessor took 193.58 ms. Allocated memory is still 151.0 MB. Free memory was 97.5 MB in the beginning and 130.2 MB in the end (delta: -32.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:26,164 INFO L168 Benchmark]: RCFGBuilder took 1559.62 ms. Allocated memory is still 151.0 MB. Free memory was 130.2 MB in the beginning and 108.8 MB in the end (delta: 21.4 MB). Peak memory consumption was 86.4 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:26,165 INFO L168 Benchmark]: TraceAbstraction took 58619.36 ms. Allocated memory was 151.0 MB in the beginning and 859.8 MB in the end (delta: 708.8 MB). Free memory was 108.3 MB in the beginning and 390.5 MB in the end (delta: -282.3 MB). Peak memory consumption was 426.6 MB. Max. memory is 8.0 GB. [2020-10-29 06:42:26,168 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory is still 124.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 791.49 ms. Allocated memory is still 151.0 MB. Free memory was 124.1 MB in the beginning and 97.5 MB in the end (delta: 26.6 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 193.58 ms. Allocated memory is still 151.0 MB. Free memory was 97.5 MB in the beginning and 130.2 MB in the end (delta: -32.8 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1559.62 ms. Allocated memory is still 151.0 MB. Free memory was 130.2 MB in the beginning and 108.8 MB in the end (delta: 21.4 MB). Peak memory consumption was 86.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 58619.36 ms. Allocated memory was 151.0 MB in the beginning and 859.8 MB in the end (delta: 708.8 MB). Free memory was 108.3 MB in the beginning and 390.5 MB in the end (delta: -282.3 MB). Peak memory consumption was 426.6 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: ((((((((a10 == 1 || !(9 <= \old(a19))) || (a19 == \old(a19) && 2 <= a10)) || a10 == 0) || !(\old(a19) <= 9)) || !(0 == \old(a10))) || (a19 == 6 && 2 <= a10)) || ((a10 <= 2 && a19 <= 9) && 2 <= a10)) || (4 <= a10 && a19 <= 9)) || !(23 == \old(a1)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 219 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 55.6s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 23.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 298 SDtfs, 4663 SDslu, 351 SDs, 0 SdLazy, 11186 SolverSat, 1432 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 174 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2085occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 1260 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 177 PreInvPairs, 213 NumberOfFragments, 377 HoareAnnotationTreeSize, 177 FomulaSimplifications, 79201 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 9 FomulaSimplificationsInter, 5665 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 29.4s InterpolantComputationTime, 2534 NumberOfCodeBlocks, 2534 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2523 ConstructedInterpolants, 0 QuantifiedInterpolants, 1674367 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1859/2128 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...